1 | /**
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2 | ******************************************************************************
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3 | * @file stm32f4xx_hal_smartcard.c
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4 | * @author MCD Application Team
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5 | * @version V1.4.1
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6 | * @date 09-October-2015
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7 | * @brief SMARTCARD HAL module driver.
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8 | * This file provides firmware functions to manage the following
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9 | * functionalities of the SMARTCARD peripheral:
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10 | * + Initialization and de-initialization functions
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11 | * + IO operation functions
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12 | * + Peripheral State and Errors functions
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13 | *
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14 | @verbatim
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15 | ==============================================================================
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16 | ##### How to use this driver #####
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17 | ==============================================================================
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18 | [..]
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19 | The SMARTCARD HAL driver can be used as follows:
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20 |
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21 | (#) Declare a SMARTCARD_HandleTypeDef handle structure.
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22 | (#) Initialize the SMARTCARD low level resources by implementing the HAL_SMARTCARD_MspInit() API:
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23 | (##) Enable the USARTx interface clock.
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24 | (##) SMARTCARD pins configuration:
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25 | (+++) Enable the clock for the SMARTCARD GPIOs.
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26 | (+++) Configure these SMARTCARD pins as alternate function pull-up.
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27 | (##) NVIC configuration if you need to use interrupt process (HAL_SMARTCARD_Transmit_IT()
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28 | and HAL_SMARTCARD_Receive_IT() APIs):
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29 | (+++) Configure the USARTx interrupt priority.
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30 | (+++) Enable the NVIC USART IRQ handle.
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31 | (##) DMA Configuration if you need to use DMA process (HAL_SMARTCARD_Transmit_DMA()
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32 | and HAL_SMARTCARD_Receive_DMA() APIs):
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33 | (+++) Declare a DMA handle structure for the Tx/Rx stream.
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34 | (+++) Enable the DMAx interface clock.
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35 | (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters.
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36 | (+++) Configure the DMA Tx/Rx Stream.
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37 | (+++) Associate the initialized DMA handle to the SMARTCARD DMA Tx/Rx handle.
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38 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx Stream.
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39 |
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40 | (#) Program the Baud Rate, Word Length , Stop Bit, Parity, Hardware
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41 | flow control and Mode(Receiver/Transmitter) in the SMARTCARD Init structure.
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42 |
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43 | (#) Initialize the SMARTCARD registers by calling the HAL_SMARTCARD_Init() API:
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44 | (++) These APIs configure also the low level Hardware GPIO, CLOCK, CORTEX...etc)
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45 | by calling the customized HAL_SMARTCARD_MspInit() API.
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46 | [..]
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47 | (@) The specific SMARTCARD interrupts (Transmission complete interrupt,
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48 | RXNE interrupt and Error Interrupts) will be managed using the macros
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49 | __HAL_SMARTCARD_ENABLE_IT() and __HAL_SMARTCARD_DISABLE_IT() inside the transmit and receive process.
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50 |
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51 | [..]
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52 | Three operation modes are available within this driver :
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53 |
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54 | *** Polling mode IO operation ***
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55 | =================================
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56 | [..]
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57 | (+) Send an amount of data in blocking mode using HAL_SMARTCARD_Transmit()
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58 | (+) Receive an amount of data in blocking mode using HAL_SMARTCARD_Receive()
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59 |
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60 | *** Interrupt mode IO operation ***
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61 | ===================================
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62 | [..]
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63 | (+) Send an amount of data in non blocking mode using HAL_SMARTCARD_Transmit_IT()
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64 | (+) At transmission end of transfer HAL_SMARTCARD_TxCpltCallback is executed and user can
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65 | add his own code by customization of function pointer HAL_SMARTCARD_TxCpltCallback
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66 | (+) Receive an amount of data in non blocking mode using HAL_SMARTCARD_Receive_IT()
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67 | (+) At reception end of transfer HAL_SMARTCARD_RxCpltCallback is executed and user can
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68 | add his own code by customization of function pointer HAL_SMARTCARD_RxCpltCallback
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69 | (+) In case of transfer Error, HAL_SMARTCARD_ErrorCallback() function is executed and user can
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70 | add his own code by customization of function pointer HAL_SMARTCARD_ErrorCallback
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71 |
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72 | *** DMA mode IO operation ***
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73 | ==============================
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74 | [..]
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75 | (+) Send an amount of data in non blocking mode (DMA) using HAL_SMARTCARD_Transmit_DMA()
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76 | (+) At transmission end of transfer HAL_SMARTCARD_TxCpltCallback is executed and user can
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77 | add his own code by customization of function pointer HAL_SMARTCARD_TxCpltCallback
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78 | (+) Receive an amount of data in non blocking mode (DMA) using HAL_SMARTCARD_Receive_DMA()
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79 | (+) At reception end of transfer HAL_SMARTCARD_RxCpltCallback is executed and user can
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80 | add his own code by customization of function pointer HAL_SMARTCARD_RxCpltCallback
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81 | (+) In case of transfer Error, HAL_SMARTCARD_ErrorCallback() function is executed and user can
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82 | add his own code by customization of function pointer HAL_SMARTCARD_ErrorCallback
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83 |
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84 | *** SMARTCARD HAL driver macros list ***
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85 | =============================================
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86 | [..]
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87 | Below the list of most used macros in SMARTCARD HAL driver.
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88 |
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89 | (+) __HAL_SMARTCARD_ENABLE: Enable the SMARTCARD peripheral
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90 | (+) __HAL_SMARTCARD_DISABLE: Disable the SMARTCARD peripheral
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91 | (+) __HAL_SMARTCARD_GET_FLAG : Check whether the specified SMARTCARD flag is set or not
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92 | (+) __HAL_SMARTCARD_CLEAR_FLAG : Clear the specified SMARTCARD pending flag
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93 | (+) __HAL_SMARTCARD_ENABLE_IT: Enable the specified SMARTCARD interrupt
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94 | (+) __HAL_SMARTCARD_DISABLE_IT: Disable the specified SMARTCARD interrupt
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95 |
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96 | [..]
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97 | (@) You can refer to the SMARTCARD HAL driver header file for more useful macros
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98 |
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99 | @endverbatim
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100 | ******************************************************************************
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101 | * @attention
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102 | *
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103 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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104 | *
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105 | * Redistribution and use in source and binary forms, with or without modification,
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106 | * are permitted provided that the following conditions are met:
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107 | * 1. Redistributions of source code must retain the above copyright notice,
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108 | * this list of conditions and the following disclaimer.
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109 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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110 | * this list of conditions and the following disclaimer in the documentation
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111 | * and/or other materials provided with the distribution.
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112 | * 3. Neither the name of STMicroelectronics nor the names of its contributors
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113 | * may be used to endorse or promote products derived from this software
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114 | * without specific prior written permission.
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115 | *
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116 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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117 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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118 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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119 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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120 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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121 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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122 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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123 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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124 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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125 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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126 | *
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127 | ******************************************************************************
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128 | */
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129 |
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130 | /* Includes ------------------------------------------------------------------*/
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131 | #include "stm32f4xx_hal.h"
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132 |
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133 | /** @addtogroup STM32F4xx_HAL_Driver
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134 | * @{
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135 | */
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136 |
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137 | /** @defgroup SMARTCARD SMARTCARD
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138 | * @brief HAL USART SMARTCARD module driver
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139 | * @{
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140 | */
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141 | #ifdef HAL_SMARTCARD_MODULE_ENABLED
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142 | /* Private typedef -----------------------------------------------------------*/
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143 | /* Private define ------------------------------------------------------------*/
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144 | /** @addtogroup SMARTCARD_Private_Constants
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145 | * @{
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146 | */
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147 | #define SMARTCARD_TIMEOUT_VALUE 22000
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148 | /**
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149 | * @}
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150 | */
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151 | /* Private macro -------------------------------------------------------------*/
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152 | /* Private variables ---------------------------------------------------------*/
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153 | /* Private function prototypes -----------------------------------------------*/
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154 | /** @addtogroup SMARTCARD_Private_Functions
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155 | * @{
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156 | */
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157 | static void SMARTCARD_SetConfig (SMARTCARD_HandleTypeDef *hsc);
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158 | static HAL_StatusTypeDef SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc);
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159 | static HAL_StatusTypeDef SMARTCARD_EndTransmit_IT(SMARTCARD_HandleTypeDef *hsmartcard);
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160 | static HAL_StatusTypeDef SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc);
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161 | static void SMARTCARD_DMATransmitCplt(DMA_HandleTypeDef *hdma);
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162 | static void SMARTCARD_DMAReceiveCplt(DMA_HandleTypeDef *hdma);
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163 | static void SMARTCARD_DMAError(DMA_HandleTypeDef *hdma);
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164 | static HAL_StatusTypeDef SMARTCARD_WaitOnFlagUntilTimeout(SMARTCARD_HandleTypeDef *hsc, uint32_t Flag, FlagStatus Status, uint32_t Timeout);
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165 | /**
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166 | * @}
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167 | */
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168 | /* Exported functions --------------------------------------------------------*/
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169 | /** @defgroup SMARTCARD_Exported_Functions SMARTCARD Exported Functions
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170 | * @{
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171 | */
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172 |
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173 | /** @defgroup SMARTCARD_Exported_Functions_Group1 SmartCard Initialization and de-initialization functions
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174 | * @brief Initialization and Configuration functions
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175 | *
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176 | @verbatim
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177 | ==============================================================================
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178 | ##### Initialization and Configuration functions #####
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179 | ==============================================================================
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180 | [..]
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181 | This subsection provides a set of functions allowing to initialize the USART
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182 | in Smartcard mode.
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183 | [..]
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184 | The Smartcard interface is designed to support asynchronous protocol Smartcards as
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185 | defined in the ISO 7816-3 standard.
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186 | [..]
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187 | The USART can provide a clock to the smartcard through the SCLK output.
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188 | In smartcard mode, SCLK is not associated to the communication but is simply derived
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189 | from the internal peripheral input clock through a 5-bit prescaler.
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190 | [..]
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191 | (+) For the Smartcard mode only these parameters can be configured:
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192 | (++) Baud Rate
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193 | (++) Word Length => Should be 9 bits (8 bits + parity)
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194 | (++) Stop Bit
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195 | (++) Parity: => Should be enabled
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196 | +-------------------------------------------------------------+
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197 | | M bit | PCE bit | SMARTCARD frame |
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198 | |---------------------|---------------------------------------|
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199 | | 1 | 1 | | SB | 8 bit data | PB | STB | |
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200 | +-------------------------------------------------------------+
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201 | (++) USART polarity
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202 | (++) USART phase
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203 | (++) USART LastBit
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204 | (++) Receiver/transmitter modes
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205 | (++) Prescaler
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206 | (++) GuardTime
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207 | (++) NACKState: The Smartcard NACK state
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208 |
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209 | (+) Recommended SmartCard interface configuration to get the Answer to Reset from the Card:
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210 | (++) Word Length = 9 Bits
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211 | (++) 1.5 Stop Bit
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212 | (++) Even parity
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213 | (++) BaudRate = 12096 baud
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214 | (++) Tx and Rx enabled
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215 | [..]
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216 | Please refer to the ISO 7816-3 specification for more details.
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217 |
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218 | -@- It is also possible to choose 0.5 stop bit for receiving but it is recommended
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219 | to use 1.5 stop bits for both transmitting and receiving to avoid switching
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220 | between the two configurations.
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221 | [..]
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222 | The HAL_SMARTCARD_Init() function follows the USART SmartCard configuration
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223 | procedure (details for the procedure are available in reference manual (RM0329)).
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224 |
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225 | @endverbatim
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226 | * @{
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227 | */
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228 |
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229 | /**
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230 | * @brief Initializes the SmartCard mode according to the specified
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231 | * parameters in the SMARTCARD_InitTypeDef and create the associated handle .
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232 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
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233 | * the configuration information for SMARTCARD module.
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234 | * @retval HAL status
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235 | */
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236 | HAL_StatusTypeDef HAL_SMARTCARD_Init(SMARTCARD_HandleTypeDef *hsc)
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237 | {
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238 | /* Check the SMARTCARD handle allocation */
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239 | if(hsc == NULL)
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240 | {
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241 | return HAL_ERROR;
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242 | }
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243 |
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244 | /* Check the parameters */
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245 | assert_param(IS_SMARTCARD_INSTANCE(hsc->Instance));
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246 | assert_param(IS_SMARTCARD_NACK_STATE(hsc->Init.NACKState));
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247 |
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248 | if(hsc->State == HAL_SMARTCARD_STATE_RESET)
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249 | {
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250 | /* Allocate lock resource and initialize it */
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251 | hsc->Lock = HAL_UNLOCKED;
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252 | /* Init the low level hardware : GPIO, CLOCK, CORTEX...etc */
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253 | HAL_SMARTCARD_MspInit(hsc);
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254 | }
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255 |
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256 | hsc->State = HAL_SMARTCARD_STATE_BUSY;
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257 |
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258 | /* Set the Prescaler */
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259 | MODIFY_REG(hsc->Instance->GTPR, USART_GTPR_PSC, hsc->Init.Prescaler);
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260 |
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261 | /* Set the Guard Time */
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262 | MODIFY_REG(hsc->Instance->GTPR, USART_GTPR_GT, ((hsc->Init.GuardTime)<<8));
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263 |
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264 | /* Set the Smartcard Communication parameters */
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265 | SMARTCARD_SetConfig(hsc);
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266 |
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267 | /* In SmartCard mode, the following bits must be kept cleared:
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268 | - LINEN bit in the USART_CR2 register
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269 | - HDSEL and IREN bits in the USART_CR3 register.*/
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270 | hsc->Instance->CR2 &= ~USART_CR2_LINEN;
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271 | hsc->Instance->CR3 &= ~(USART_CR3_IREN | USART_CR3_HDSEL);
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272 |
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273 | /* Enable the SMARTCARD Parity Error Interrupt */
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274 | __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_PE);
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275 |
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276 | /* Enable the SMARTCARD Framing Error Interrupt */
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277 | __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_ERR);
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278 |
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279 | /* Enable the Peripheral */
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280 | __HAL_SMARTCARD_ENABLE(hsc);
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281 |
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282 | /* Configure the Smartcard NACK state */
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283 | MODIFY_REG(hsc->Instance->CR3, USART_CR3_NACK, hsc->Init.NACKState);
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284 |
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285 | /* Enable the SC mode by setting the SCEN bit in the CR3 register */
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286 | hsc->Instance->CR3 |= (USART_CR3_SCEN);
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287 |
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288 | /* Initialize the SMARTCARD state*/
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289 | hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
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290 | hsc->State= HAL_SMARTCARD_STATE_READY;
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291 |
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292 | return HAL_OK;
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293 | }
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294 |
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295 | /**
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296 | * @brief DeInitializes the USART SmartCard peripheral
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297 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
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298 | * the configuration information for SMARTCARD module.
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299 | * @retval HAL status
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300 | */
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301 | HAL_StatusTypeDef HAL_SMARTCARD_DeInit(SMARTCARD_HandleTypeDef *hsc)
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302 | {
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303 | /* Check the SMARTCARD handle allocation */
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304 | if(hsc == NULL)
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305 | {
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306 | return HAL_ERROR;
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307 | }
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308 |
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309 | /* Check the parameters */
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310 | assert_param(IS_SMARTCARD_INSTANCE(hsc->Instance));
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311 |
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312 | hsc->State = HAL_SMARTCARD_STATE_BUSY;
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313 |
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314 | /* Disable the Peripheral */
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315 | __HAL_SMARTCARD_DISABLE(hsc);
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316 |
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317 | /* DeInit the low level hardware */
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318 | HAL_SMARTCARD_MspDeInit(hsc);
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319 |
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320 | hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
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321 | hsc->State = HAL_SMARTCARD_STATE_RESET;
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322 |
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323 | /* Release Lock */
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324 | __HAL_UNLOCK(hsc);
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325 |
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326 | return HAL_OK;
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327 | }
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328 |
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329 | /**
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330 | * @brief SMARTCARD MSP Init
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331 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
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332 | * the configuration information for SMARTCARD module.
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333 | * @retval None
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334 | */
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335 | __weak void HAL_SMARTCARD_MspInit(SMARTCARD_HandleTypeDef *hsc)
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336 | {
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337 | /* NOTE : This function Should not be modified, when the callback is needed,
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338 | the HAL_SMARTCARD_MspInit could be implemented in the user file
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339 | */
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340 | }
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341 |
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342 | /**
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343 | * @brief SMARTCARD MSP DeInit
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344 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
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345 | * the configuration information for SMARTCARD module.
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346 | * @retval None
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347 | */
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348 | __weak void HAL_SMARTCARD_MspDeInit(SMARTCARD_HandleTypeDef *hsc)
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349 | {
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350 | /* NOTE : This function Should not be modified, when the callback is needed,
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351 | the HAL_SMARTCARD_MspDeInit could be implemented in the user file
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352 | */
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353 | }
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354 |
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355 | /**
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356 | * @}
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357 | */
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358 |
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359 | /** @defgroup SMARTCARD_Exported_Functions_Group2 IO operation functions
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360 | * @brief SMARTCARD Transmit and Receive functions
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361 | *
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362 | @verbatim
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363 | ===============================================================================
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364 | ##### IO operation functions #####
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365 | ===============================================================================
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366 | This subsection provides a set of functions allowing to manage the SMARTCARD data transfers.
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367 | [..]
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368 | Smartcard is a single wire half duplex communication protocol.
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369 | The Smartcard interface is designed to support asynchronous protocol Smartcards as
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370 | defined in the ISO 7816-3 standard. The USART should be configured as:
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371 | (+) 8 bits plus parity: where M=1 and PCE=1 in the USART_CR1 register
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372 | (+) 1.5 stop bits when transmitting and receiving: where STOP=11 in the USART_CR2 register.
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373 |
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374 | (#) There are two modes of transfer:
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375 | (++) Blocking mode: The communication is performed in polling mode.
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376 | The HAL status of all data processing is returned by the same function
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377 | after finishing transfer.
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378 | (++) Non Blocking mode: The communication is performed using Interrupts
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379 | or DMA, These APIs return the HAL status.
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380 | The end of the data processing will be indicated through the
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381 | dedicated SMARTCARD IRQ when using Interrupt mode or the DMA IRQ when
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382 | using DMA mode.
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383 | The HAL_SMARTCARD_TxCpltCallback(), HAL_SMARTCARD_RxCpltCallback() user callbacks
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384 | will be executed respectively at the end of the Transmit or Receive process
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385 | The HAL_SMARTCARD_ErrorCallback() user callback will be executed when a communication error is detected
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386 |
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387 | (#) Blocking mode APIs are :
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388 | (++) HAL_SMARTCARD_Transmit()
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389 | (++) HAL_SMARTCARD_Receive()
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390 |
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391 | (#) Non Blocking mode APIs with Interrupt are :
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392 | (++) HAL_SMARTCARD_Transmit_IT()
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393 | (++) HAL_SMARTCARD_Receive_IT()
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394 | (++) HAL_SMARTCARD_IRQHandler()
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395 |
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396 | (#) Non Blocking mode functions with DMA are :
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397 | (++) HAL_SMARTCARD_Transmit_DMA()
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398 | (++) HAL_SMARTCARD_Receive_DMA()
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399 |
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400 | (#) A set of Transfer Complete Callbacks are provided in non Blocking mode:
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401 | (++) HAL_SMARTCARD_TxCpltCallback()
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402 | (++) HAL_SMARTCARD_RxCpltCallback()
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403 | (++) HAL_SMARTCARD_ErrorCallback()
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404 |
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405 | @endverbatim
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406 | * @{
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407 | */
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408 |
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409 | /**
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410 | * @brief Send an amount of data in blocking mode
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411 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
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412 | * the configuration information for SMARTCARD module.
|
---|
413 | * @param pData: pointer to data buffer
|
---|
414 | * @param Size: amount of data to be sent
|
---|
415 | * @param Timeout: Timeout duration
|
---|
416 | * @retval HAL status
|
---|
417 | */
|
---|
418 | HAL_StatusTypeDef HAL_SMARTCARD_Transmit(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size, uint32_t Timeout)
|
---|
419 | {
|
---|
420 | uint16_t* tmp;
|
---|
421 | uint32_t tmp1 = 0;
|
---|
422 |
|
---|
423 | tmp1 = hsc->State;
|
---|
424 | if((tmp1 == HAL_SMARTCARD_STATE_READY) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_RX))
|
---|
425 | {
|
---|
426 | if((pData == NULL) || (Size == 0))
|
---|
427 | {
|
---|
428 | return HAL_ERROR;
|
---|
429 | }
|
---|
430 |
|
---|
431 | /* Process Locked */
|
---|
432 | __HAL_LOCK(hsc);
|
---|
433 |
|
---|
434 | hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
|
---|
435 | /* Check if a non-blocking receive process is ongoing or not */
|
---|
436 | if(hsc->State == HAL_SMARTCARD_STATE_BUSY_RX)
|
---|
437 | {
|
---|
438 | hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX;
|
---|
439 | }
|
---|
440 | else
|
---|
441 | {
|
---|
442 | hsc->State = HAL_SMARTCARD_STATE_BUSY_TX;
|
---|
443 | }
|
---|
444 |
|
---|
445 | hsc->TxXferSize = Size;
|
---|
446 | hsc->TxXferCount = Size;
|
---|
447 | while(hsc->TxXferCount > 0)
|
---|
448 | {
|
---|
449 | hsc->TxXferCount--;
|
---|
450 | if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TXE, RESET, Timeout) != HAL_OK)
|
---|
451 | {
|
---|
452 | return HAL_TIMEOUT;
|
---|
453 | }
|
---|
454 | tmp = (uint16_t*) pData;
|
---|
455 | hsc->Instance->DR = (*tmp & (uint16_t)0x01FF);
|
---|
456 | pData +=1;
|
---|
457 | }
|
---|
458 |
|
---|
459 | if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_TC, RESET, Timeout) != HAL_OK)
|
---|
460 | {
|
---|
461 | return HAL_TIMEOUT;
|
---|
462 | }
|
---|
463 |
|
---|
464 | /* Check if a non-blocking receive process is ongoing or not */
|
---|
465 | if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)
|
---|
466 | {
|
---|
467 | hsc->State = HAL_SMARTCARD_STATE_BUSY_RX;
|
---|
468 | }
|
---|
469 | else
|
---|
470 | {
|
---|
471 | hsc->State = HAL_SMARTCARD_STATE_READY;
|
---|
472 | }
|
---|
473 | /* Process Unlocked */
|
---|
474 | __HAL_UNLOCK(hsc);
|
---|
475 |
|
---|
476 | return HAL_OK;
|
---|
477 | }
|
---|
478 | else
|
---|
479 | {
|
---|
480 | return HAL_BUSY;
|
---|
481 | }
|
---|
482 | }
|
---|
483 |
|
---|
484 | /**
|
---|
485 | * @brief Receive an amount of data in blocking mode
|
---|
486 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
487 | * the configuration information for SMARTCARD module.
|
---|
488 | * @param pData: pointer to data buffer
|
---|
489 | * @param Size: amount of data to be received
|
---|
490 | * @param Timeout: Timeout duration
|
---|
491 | * @retval HAL status
|
---|
492 | */
|
---|
493 | HAL_StatusTypeDef HAL_SMARTCARD_Receive(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size, uint32_t Timeout)
|
---|
494 | {
|
---|
495 | uint16_t* tmp;
|
---|
496 | uint32_t tmp1 = 0;
|
---|
497 |
|
---|
498 | tmp1 = hsc->State;
|
---|
499 | if((tmp1 == HAL_SMARTCARD_STATE_READY) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_TX))
|
---|
500 | {
|
---|
501 | if((pData == NULL) || (Size == 0))
|
---|
502 | {
|
---|
503 | return HAL_ERROR;
|
---|
504 | }
|
---|
505 |
|
---|
506 | /* Process Locked */
|
---|
507 | __HAL_LOCK(hsc);
|
---|
508 |
|
---|
509 | hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
|
---|
510 |
|
---|
511 | /* Check if a non-blocking transmit process is ongoing or not */
|
---|
512 | if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX)
|
---|
513 | {
|
---|
514 | hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX;
|
---|
515 | }
|
---|
516 | else
|
---|
517 | {
|
---|
518 | hsc->State = HAL_SMARTCARD_STATE_BUSY_RX;
|
---|
519 | }
|
---|
520 |
|
---|
521 | hsc->RxXferSize = Size;
|
---|
522 | hsc->RxXferCount = Size;
|
---|
523 |
|
---|
524 | /* Check the remain data to be received */
|
---|
525 | while(hsc->RxXferCount > 0)
|
---|
526 | {
|
---|
527 | hsc->RxXferCount--;
|
---|
528 | if(SMARTCARD_WaitOnFlagUntilTimeout(hsc, SMARTCARD_FLAG_RXNE, RESET, Timeout) != HAL_OK)
|
---|
529 | {
|
---|
530 | return HAL_TIMEOUT;
|
---|
531 | }
|
---|
532 | tmp = (uint16_t*) pData;
|
---|
533 | *tmp = (uint16_t)(hsc->Instance->DR & (uint16_t)0x00FF);
|
---|
534 | pData +=1;
|
---|
535 | }
|
---|
536 |
|
---|
537 | /* Check if a non-blocking transmit process is ongoing or not */
|
---|
538 | if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)
|
---|
539 | {
|
---|
540 | hsc->State = HAL_SMARTCARD_STATE_BUSY_TX;
|
---|
541 | }
|
---|
542 | else
|
---|
543 | {
|
---|
544 | hsc->State = HAL_SMARTCARD_STATE_READY;
|
---|
545 | }
|
---|
546 |
|
---|
547 | /* Process Unlocked */
|
---|
548 | __HAL_UNLOCK(hsc);
|
---|
549 |
|
---|
550 | return HAL_OK;
|
---|
551 | }
|
---|
552 | else
|
---|
553 | {
|
---|
554 | return HAL_BUSY;
|
---|
555 | }
|
---|
556 | }
|
---|
557 |
|
---|
558 | /**
|
---|
559 | * @brief Send an amount of data in non blocking mode
|
---|
560 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
561 | * the configuration information for SMARTCARD module.
|
---|
562 | * @param pData: pointer to data buffer
|
---|
563 | * @param Size: amount of data to be sent
|
---|
564 | * @retval HAL status
|
---|
565 | */
|
---|
566 | HAL_StatusTypeDef HAL_SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
|
---|
567 | {
|
---|
568 | uint32_t tmp1 = 0;
|
---|
569 |
|
---|
570 | tmp1 = hsc->State;
|
---|
571 | if((tmp1 == HAL_SMARTCARD_STATE_READY) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_RX))
|
---|
572 | {
|
---|
573 | if((pData == NULL) || (Size == 0))
|
---|
574 | {
|
---|
575 | return HAL_ERROR;
|
---|
576 | }
|
---|
577 |
|
---|
578 | /* Process Locked */
|
---|
579 | __HAL_LOCK(hsc);
|
---|
580 |
|
---|
581 | hsc->pTxBuffPtr = pData;
|
---|
582 | hsc->TxXferSize = Size;
|
---|
583 | hsc->TxXferCount = Size;
|
---|
584 |
|
---|
585 | hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
|
---|
586 | /* Check if a non-blocking receive process is ongoing or not */
|
---|
587 | if(hsc->State == HAL_SMARTCARD_STATE_BUSY_RX)
|
---|
588 | {
|
---|
589 | hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX;
|
---|
590 | }
|
---|
591 | else
|
---|
592 | {
|
---|
593 | hsc->State = HAL_SMARTCARD_STATE_BUSY_TX;
|
---|
594 | }
|
---|
595 |
|
---|
596 | /* Process Unlocked */
|
---|
597 | __HAL_UNLOCK(hsc);
|
---|
598 |
|
---|
599 | /* Enable the SMARTCARD Parity Error Interrupt */
|
---|
600 | __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_PE);
|
---|
601 |
|
---|
602 | /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
|
---|
603 | __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_ERR);
|
---|
604 |
|
---|
605 | /* Enable the SMARTCARD Transmit data register empty Interrupt */
|
---|
606 | __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_TXE);
|
---|
607 |
|
---|
608 | return HAL_OK;
|
---|
609 | }
|
---|
610 | else
|
---|
611 | {
|
---|
612 | return HAL_BUSY;
|
---|
613 | }
|
---|
614 | }
|
---|
615 |
|
---|
616 | /**
|
---|
617 | * @brief Receive an amount of data in non blocking mode
|
---|
618 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
619 | * the configuration information for SMARTCARD module.
|
---|
620 | * @param pData: pointer to data buffer
|
---|
621 | * @param Size: amount of data to be received
|
---|
622 | * @retval HAL status
|
---|
623 | */
|
---|
624 | HAL_StatusTypeDef HAL_SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
|
---|
625 | {
|
---|
626 | uint32_t tmp1 = 0;
|
---|
627 |
|
---|
628 | tmp1 = hsc->State;
|
---|
629 | if((tmp1 == HAL_SMARTCARD_STATE_READY) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_TX))
|
---|
630 | {
|
---|
631 | if((pData == NULL) || (Size == 0))
|
---|
632 | {
|
---|
633 | return HAL_ERROR;
|
---|
634 | }
|
---|
635 |
|
---|
636 | /* Process Locked */
|
---|
637 | __HAL_LOCK(hsc);
|
---|
638 |
|
---|
639 | hsc->pRxBuffPtr = pData;
|
---|
640 | hsc->RxXferSize = Size;
|
---|
641 | hsc->RxXferCount = Size;
|
---|
642 |
|
---|
643 | hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
|
---|
644 | /* Check if a non-blocking transmit process is ongoing or not */
|
---|
645 | if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX)
|
---|
646 | {
|
---|
647 | hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX;
|
---|
648 | }
|
---|
649 | else
|
---|
650 | {
|
---|
651 | hsc->State = HAL_SMARTCARD_STATE_BUSY_RX;
|
---|
652 | }
|
---|
653 | /* Process Unlocked */
|
---|
654 | __HAL_UNLOCK(hsc);
|
---|
655 |
|
---|
656 | /* Enable the SMARTCARD Data Register not empty Interrupt */
|
---|
657 | __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_RXNE);
|
---|
658 |
|
---|
659 | /* Enable the SMARTCARD Parity Error Interrupt */
|
---|
660 | __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_PE);
|
---|
661 |
|
---|
662 | /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
|
---|
663 | __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_ERR);
|
---|
664 |
|
---|
665 | return HAL_OK;
|
---|
666 | }
|
---|
667 | else
|
---|
668 | {
|
---|
669 | return HAL_BUSY;
|
---|
670 | }
|
---|
671 | }
|
---|
672 |
|
---|
673 | /**
|
---|
674 | * @brief Send an amount of data in non blocking mode
|
---|
675 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
676 | * the configuration information for SMARTCARD module.
|
---|
677 | * @param pData: pointer to data buffer
|
---|
678 | * @param Size: amount of data to be sent
|
---|
679 | * @retval HAL status
|
---|
680 | */
|
---|
681 | HAL_StatusTypeDef HAL_SMARTCARD_Transmit_DMA(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
|
---|
682 | {
|
---|
683 | uint32_t *tmp;
|
---|
684 | uint32_t tmp1 = 0;
|
---|
685 |
|
---|
686 | tmp1 = hsc->State;
|
---|
687 | if((tmp1 == HAL_SMARTCARD_STATE_READY) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_RX))
|
---|
688 | {
|
---|
689 | if((pData == NULL) || (Size == 0))
|
---|
690 | {
|
---|
691 | return HAL_ERROR;
|
---|
692 | }
|
---|
693 |
|
---|
694 | /* Process Locked */
|
---|
695 | __HAL_LOCK(hsc);
|
---|
696 |
|
---|
697 | hsc->pTxBuffPtr = pData;
|
---|
698 | hsc->TxXferSize = Size;
|
---|
699 | hsc->TxXferCount = Size;
|
---|
700 |
|
---|
701 | hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
|
---|
702 | /* Check if a non-blocking receive process is ongoing or not */
|
---|
703 | if(hsc->State == HAL_SMARTCARD_STATE_BUSY_RX)
|
---|
704 | {
|
---|
705 | hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX;
|
---|
706 | }
|
---|
707 | else
|
---|
708 | {
|
---|
709 | hsc->State = HAL_SMARTCARD_STATE_BUSY_TX;
|
---|
710 | }
|
---|
711 |
|
---|
712 | /* Set the SMARTCARD DMA transfer complete callback */
|
---|
713 | hsc->hdmatx->XferCpltCallback = SMARTCARD_DMATransmitCplt;
|
---|
714 |
|
---|
715 | /* Set the DMA error callback */
|
---|
716 | hsc->hdmatx->XferErrorCallback = SMARTCARD_DMAError;
|
---|
717 |
|
---|
718 | /* Enable the SMARTCARD transmit DMA Stream */
|
---|
719 | tmp = (uint32_t*)&pData;
|
---|
720 | HAL_DMA_Start_IT(hsc->hdmatx, *(uint32_t*)tmp, (uint32_t)&hsc->Instance->DR, Size);
|
---|
721 |
|
---|
722 | /* Clear the TC flag in the SR register by writing 0 to it */
|
---|
723 | __HAL_SMARTCARD_CLEAR_FLAG(hsc, SMARTCARD_FLAG_TC);
|
---|
724 |
|
---|
725 | /* Enable the DMA transfer for transmit request by setting the DMAT bit
|
---|
726 | in the SMARTCARD CR3 register */
|
---|
727 | hsc->Instance->CR3 |= USART_CR3_DMAT;
|
---|
728 |
|
---|
729 | /* Process Unlocked */
|
---|
730 | __HAL_UNLOCK(hsc);
|
---|
731 |
|
---|
732 | return HAL_OK;
|
---|
733 | }
|
---|
734 | else
|
---|
735 | {
|
---|
736 | return HAL_BUSY;
|
---|
737 | }
|
---|
738 | }
|
---|
739 |
|
---|
740 | /**
|
---|
741 | * @brief Receive an amount of data in non blocking mode
|
---|
742 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
743 | * the configuration information for SMARTCARD module.
|
---|
744 | * @param pData: pointer to data buffer
|
---|
745 | * @param Size: amount of data to be received
|
---|
746 | * @note When the SMARTCARD parity is enabled (PCE = 1) the data received contain the parity bit.s
|
---|
747 | * @retval HAL status
|
---|
748 | */
|
---|
749 | HAL_StatusTypeDef HAL_SMARTCARD_Receive_DMA(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size)
|
---|
750 | {
|
---|
751 | uint32_t *tmp;
|
---|
752 | uint32_t tmp1 = 0;
|
---|
753 |
|
---|
754 | tmp1 = hsc->State;
|
---|
755 | if((tmp1 == HAL_SMARTCARD_STATE_READY) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_TX))
|
---|
756 | {
|
---|
757 | if((pData == NULL) || (Size == 0))
|
---|
758 | {
|
---|
759 | return HAL_ERROR;
|
---|
760 | }
|
---|
761 |
|
---|
762 | /* Process Locked */
|
---|
763 | __HAL_LOCK(hsc);
|
---|
764 |
|
---|
765 | hsc->pRxBuffPtr = pData;
|
---|
766 | hsc->RxXferSize = Size;
|
---|
767 |
|
---|
768 | hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
|
---|
769 | /* Check if a non-blocking transmit process is ongoing or not */
|
---|
770 | if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX)
|
---|
771 | {
|
---|
772 | hsc->State = HAL_SMARTCARD_STATE_BUSY_TX_RX;
|
---|
773 | }
|
---|
774 | else
|
---|
775 | {
|
---|
776 | hsc->State = HAL_SMARTCARD_STATE_BUSY_RX;
|
---|
777 | }
|
---|
778 |
|
---|
779 | /* Set the SMARTCARD DMA transfer complete callback */
|
---|
780 | hsc->hdmarx->XferCpltCallback = SMARTCARD_DMAReceiveCplt;
|
---|
781 |
|
---|
782 | /* Set the DMA error callback */
|
---|
783 | hsc->hdmarx->XferErrorCallback = SMARTCARD_DMAError;
|
---|
784 |
|
---|
785 | /* Enable the DMA Stream */
|
---|
786 | tmp = (uint32_t*)&pData;
|
---|
787 | HAL_DMA_Start_IT(hsc->hdmarx, (uint32_t)&hsc->Instance->DR, *(uint32_t*)tmp, Size);
|
---|
788 |
|
---|
789 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit
|
---|
790 | in the SMARTCARD CR3 register */
|
---|
791 | hsc->Instance->CR3 |= USART_CR3_DMAR;
|
---|
792 |
|
---|
793 | /* Process Unlocked */
|
---|
794 | __HAL_UNLOCK(hsc);
|
---|
795 |
|
---|
796 | return HAL_OK;
|
---|
797 | }
|
---|
798 | else
|
---|
799 | {
|
---|
800 | return HAL_BUSY;
|
---|
801 | }
|
---|
802 | }
|
---|
803 |
|
---|
804 | /**
|
---|
805 | * @brief This function handles SMARTCARD interrupt request.
|
---|
806 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
807 | * the configuration information for SMARTCARD module.
|
---|
808 | * @retval None
|
---|
809 | */
|
---|
810 | void HAL_SMARTCARD_IRQHandler(SMARTCARD_HandleTypeDef *hsc)
|
---|
811 | {
|
---|
812 | uint32_t tmp1 = 0, tmp2 = 0;
|
---|
813 |
|
---|
814 | tmp1 = hsc->Instance->SR;
|
---|
815 | tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_PE);
|
---|
816 |
|
---|
817 | /* SMARTCARD parity error interrupt occurred --------------------------------*/
|
---|
818 | if(((tmp1 & SMARTCARD_FLAG_PE) != RESET) && (tmp2 != RESET))
|
---|
819 | {
|
---|
820 | __HAL_SMARTCARD_CLEAR_PEFLAG(hsc);
|
---|
821 | hsc->ErrorCode |= HAL_SMARTCARD_ERROR_PE;
|
---|
822 | }
|
---|
823 |
|
---|
824 | tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR);
|
---|
825 | /* SMARTCARD frame error interrupt occurred ---------------------------------*/
|
---|
826 | if(((tmp1 & SMARTCARD_FLAG_FE) != RESET) && (tmp2 != RESET))
|
---|
827 | {
|
---|
828 | __HAL_SMARTCARD_CLEAR_FEFLAG(hsc);
|
---|
829 | hsc->ErrorCode |= HAL_SMARTCARD_ERROR_FE;
|
---|
830 | }
|
---|
831 |
|
---|
832 | tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR);
|
---|
833 | /* SMARTCARD noise error interrupt occurred ---------------------------------*/
|
---|
834 | if(((tmp1 & SMARTCARD_FLAG_NE) != RESET) && (tmp2 != RESET))
|
---|
835 | {
|
---|
836 | __HAL_SMARTCARD_CLEAR_NEFLAG(hsc);
|
---|
837 | hsc->ErrorCode |= HAL_SMARTCARD_ERROR_NE;
|
---|
838 | }
|
---|
839 |
|
---|
840 | tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR);
|
---|
841 | /* SMARTCARD Over-Run interrupt occurred ------------------------------------*/
|
---|
842 | if(((tmp1 & SMARTCARD_FLAG_ORE) != RESET) && (tmp2 != RESET))
|
---|
843 | {
|
---|
844 | __HAL_SMARTCARD_CLEAR_OREFLAG(hsc);
|
---|
845 | hsc->ErrorCode |= HAL_SMARTCARD_ERROR_ORE;
|
---|
846 | }
|
---|
847 |
|
---|
848 | tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_RXNE);
|
---|
849 | /* SMARTCARD in mode Receiver ----------------------------------------------*/
|
---|
850 | if(((tmp1 & SMARTCARD_FLAG_RXNE) != RESET) && (tmp2 != RESET))
|
---|
851 | {
|
---|
852 | SMARTCARD_Receive_IT(hsc);
|
---|
853 | }
|
---|
854 |
|
---|
855 | tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_TXE);
|
---|
856 | /* SMARTCARD in mode Transmitter -------------------------------------------*/
|
---|
857 | if(((tmp1 & SMARTCARD_FLAG_TXE) != RESET) && (tmp2 != RESET))
|
---|
858 | {
|
---|
859 | SMARTCARD_Transmit_IT(hsc);
|
---|
860 | }
|
---|
861 |
|
---|
862 | tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_TC);
|
---|
863 | /* SMARTCARD in mode Transmitter (transmission end) ------------------------*/
|
---|
864 | if(((tmp1 & SMARTCARD_FLAG_TC) != RESET) && (tmp2 != RESET))
|
---|
865 | {
|
---|
866 | SMARTCARD_EndTransmit_IT(hsc);
|
---|
867 | }
|
---|
868 |
|
---|
869 | /* Call the Error call Back in case of Errors */
|
---|
870 | if(hsc->ErrorCode != HAL_SMARTCARD_ERROR_NONE)
|
---|
871 | {
|
---|
872 | /* Set the SMARTCARD state ready to be able to start again the process */
|
---|
873 | hsc->State= HAL_SMARTCARD_STATE_READY;
|
---|
874 | HAL_SMARTCARD_ErrorCallback(hsc);
|
---|
875 | }
|
---|
876 | }
|
---|
877 |
|
---|
878 | /**
|
---|
879 | * @brief Tx Transfer completed callbacks
|
---|
880 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
881 | * the configuration information for SMARTCARD module.
|
---|
882 | * @retval None
|
---|
883 | */
|
---|
884 | __weak void HAL_SMARTCARD_TxCpltCallback(SMARTCARD_HandleTypeDef *hsc)
|
---|
885 | {
|
---|
886 | /* NOTE : This function Should not be modified, when the callback is needed,
|
---|
887 | the HAL_SMARTCARD_TxCpltCallback could be implemented in the user file
|
---|
888 | */
|
---|
889 | }
|
---|
890 |
|
---|
891 | /**
|
---|
892 | * @brief Rx Transfer completed callbacks
|
---|
893 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
894 | * the configuration information for SMARTCARD module.
|
---|
895 | * @retval None
|
---|
896 | */
|
---|
897 | __weak void HAL_SMARTCARD_RxCpltCallback(SMARTCARD_HandleTypeDef *hsc)
|
---|
898 | {
|
---|
899 | /* NOTE : This function Should not be modified, when the callback is needed,
|
---|
900 | the HAL_SMARTCARD_TxCpltCallback could be implemented in the user file
|
---|
901 | */
|
---|
902 | }
|
---|
903 |
|
---|
904 | /**
|
---|
905 | * @brief SMARTCARD error callbacks
|
---|
906 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
907 | * the configuration information for SMARTCARD module.
|
---|
908 | * @retval None
|
---|
909 | */
|
---|
910 | __weak void HAL_SMARTCARD_ErrorCallback(SMARTCARD_HandleTypeDef *hsc)
|
---|
911 | {
|
---|
912 | /* NOTE : This function Should not be modified, when the callback is needed,
|
---|
913 | the HAL_SMARTCARD_ErrorCallback could be implemented in the user file
|
---|
914 | */
|
---|
915 | }
|
---|
916 |
|
---|
917 | /**
|
---|
918 | * @}
|
---|
919 | */
|
---|
920 |
|
---|
921 | /** @defgroup SMARTCARD_Exported_Functions_Group3 Peripheral State and Errors functions
|
---|
922 | * @brief SMARTCARD State and Errors functions
|
---|
923 | *
|
---|
924 | @verbatim
|
---|
925 | ===============================================================================
|
---|
926 | ##### Peripheral State and Errors functions #####
|
---|
927 | ===============================================================================
|
---|
928 | [..]
|
---|
929 | This subsection provides a set of functions allowing to control the SmartCard.
|
---|
930 | (+) HAL_SMARTCARD_GetState() API can be helpful to check in run-time the state of the SmartCard peripheral.
|
---|
931 | (+) HAL_SMARTCARD_GetError() check in run-time errors that could be occurred during communication.
|
---|
932 | @endverbatim
|
---|
933 | * @{
|
---|
934 | */
|
---|
935 |
|
---|
936 | /**
|
---|
937 | * @brief return the SMARTCARD state
|
---|
938 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
939 | * the configuration information for SMARTCARD module.
|
---|
940 | * @retval HAL state
|
---|
941 | */
|
---|
942 | HAL_SMARTCARD_StateTypeDef HAL_SMARTCARD_GetState(SMARTCARD_HandleTypeDef *hsc)
|
---|
943 | {
|
---|
944 | return hsc->State;
|
---|
945 | }
|
---|
946 |
|
---|
947 | /**
|
---|
948 | * @brief Return the SMARTCARD error code
|
---|
949 | * @param hsc : pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
950 | * the configuration information for the specified SMARTCARD.
|
---|
951 | * @retval SMARTCARD Error Code
|
---|
952 | */
|
---|
953 | uint32_t HAL_SMARTCARD_GetError(SMARTCARD_HandleTypeDef *hsc)
|
---|
954 | {
|
---|
955 | return hsc->ErrorCode;
|
---|
956 | }
|
---|
957 |
|
---|
958 | /**
|
---|
959 | * @}
|
---|
960 | */
|
---|
961 |
|
---|
962 | /**
|
---|
963 | * @brief DMA SMARTCARD transmit process complete callback
|
---|
964 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
|
---|
965 | * the configuration information for the specified DMA module.
|
---|
966 | * @retval None
|
---|
967 | */
|
---|
968 | static void SMARTCARD_DMATransmitCplt(DMA_HandleTypeDef *hdma)
|
---|
969 | {
|
---|
970 | SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
|
---|
971 |
|
---|
972 | hsc->TxXferCount = 0;
|
---|
973 |
|
---|
974 | /* Disable the DMA transfer for transmit request by setting the DMAT bit
|
---|
975 | in the USART CR3 register */
|
---|
976 | hsc->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAT);
|
---|
977 |
|
---|
978 | /* Enable the SMARTCARD Transmit Complete Interrupt */
|
---|
979 | __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_TC);
|
---|
980 | }
|
---|
981 |
|
---|
982 | /**
|
---|
983 | * @brief DMA SMARTCARD receive process complete callback
|
---|
984 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
|
---|
985 | * the configuration information for the specified DMA module.
|
---|
986 | * @retval None
|
---|
987 | */
|
---|
988 | static void SMARTCARD_DMAReceiveCplt(DMA_HandleTypeDef *hdma)
|
---|
989 | {
|
---|
990 | SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
|
---|
991 |
|
---|
992 | hsc->RxXferCount = 0;
|
---|
993 |
|
---|
994 | /* Disable the DMA transfer for the receiver request by setting the DMAR bit
|
---|
995 | in the USART CR3 register */
|
---|
996 | hsc->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAR);
|
---|
997 |
|
---|
998 | /* Check if a non-blocking transmit process is ongoing or not */
|
---|
999 | if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)
|
---|
1000 | {
|
---|
1001 | hsc->State = HAL_SMARTCARD_STATE_BUSY_TX;
|
---|
1002 | }
|
---|
1003 | else
|
---|
1004 | {
|
---|
1005 | hsc->State = HAL_SMARTCARD_STATE_READY;
|
---|
1006 | }
|
---|
1007 |
|
---|
1008 | HAL_SMARTCARD_RxCpltCallback(hsc);
|
---|
1009 | }
|
---|
1010 |
|
---|
1011 | /**
|
---|
1012 | * @brief DMA SMARTCARD communication error callback
|
---|
1013 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
|
---|
1014 | * the configuration information for the specified DMA module.
|
---|
1015 | * @retval None
|
---|
1016 | */
|
---|
1017 | static void SMARTCARD_DMAError(DMA_HandleTypeDef *hdma)
|
---|
1018 | {
|
---|
1019 | SMARTCARD_HandleTypeDef* hsc = ( SMARTCARD_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
|
---|
1020 |
|
---|
1021 | hsc->RxXferCount = 0;
|
---|
1022 | hsc->TxXferCount = 0;
|
---|
1023 | hsc->ErrorCode = HAL_SMARTCARD_ERROR_DMA;
|
---|
1024 | hsc->State= HAL_SMARTCARD_STATE_READY;
|
---|
1025 |
|
---|
1026 | HAL_SMARTCARD_ErrorCallback(hsc);
|
---|
1027 | }
|
---|
1028 |
|
---|
1029 | /**
|
---|
1030 | * @brief This function handles SMARTCARD Communication Timeout.
|
---|
1031 | * @param hsc: SMARTCARD handle
|
---|
1032 | * @param Flag: specifies the SMARTCARD flag to check.
|
---|
1033 | * @param Status: The new Flag status (SET or RESET).
|
---|
1034 | * @param Timeout: Timeout duration
|
---|
1035 | * @retval HAL status
|
---|
1036 | */
|
---|
1037 | static HAL_StatusTypeDef SMARTCARD_WaitOnFlagUntilTimeout(SMARTCARD_HandleTypeDef *hsc, uint32_t Flag, FlagStatus Status, uint32_t Timeout)
|
---|
1038 | {
|
---|
1039 | uint32_t tickstart = 0;
|
---|
1040 |
|
---|
1041 | /* Get tick */
|
---|
1042 | tickstart = HAL_GetTick();
|
---|
1043 |
|
---|
1044 | /* Wait until flag is set */
|
---|
1045 | if(Status == RESET)
|
---|
1046 | {
|
---|
1047 | while(__HAL_SMARTCARD_GET_FLAG(hsc, Flag) == RESET)
|
---|
1048 | {
|
---|
1049 | /* Check for the Timeout */
|
---|
1050 | if(Timeout != HAL_MAX_DELAY)
|
---|
1051 | {
|
---|
1052 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
|
---|
1053 | {
|
---|
1054 | /* Disable TXE and RXNE interrupts for the interrupt process */
|
---|
1055 | __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_TXE);
|
---|
1056 | __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RXNE);
|
---|
1057 |
|
---|
1058 | hsc->State= HAL_SMARTCARD_STATE_READY;
|
---|
1059 |
|
---|
1060 | /* Process Unlocked */
|
---|
1061 | __HAL_UNLOCK(hsc);
|
---|
1062 |
|
---|
1063 | return HAL_TIMEOUT;
|
---|
1064 | }
|
---|
1065 | }
|
---|
1066 | }
|
---|
1067 | }
|
---|
1068 | else
|
---|
1069 | {
|
---|
1070 | while(__HAL_SMARTCARD_GET_FLAG(hsc, Flag) != RESET)
|
---|
1071 | {
|
---|
1072 | /* Check for the Timeout */
|
---|
1073 | if(Timeout != HAL_MAX_DELAY)
|
---|
1074 | {
|
---|
1075 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
|
---|
1076 | {
|
---|
1077 | /* Disable TXE and RXNE interrupts for the interrupt process */
|
---|
1078 | __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_TXE);
|
---|
1079 | __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RXNE);
|
---|
1080 |
|
---|
1081 | hsc->State= HAL_SMARTCARD_STATE_READY;
|
---|
1082 |
|
---|
1083 | /* Process Unlocked */
|
---|
1084 | __HAL_UNLOCK(hsc);
|
---|
1085 |
|
---|
1086 | return HAL_TIMEOUT;
|
---|
1087 | }
|
---|
1088 | }
|
---|
1089 | }
|
---|
1090 | }
|
---|
1091 | return HAL_OK;
|
---|
1092 | }
|
---|
1093 |
|
---|
1094 | /**
|
---|
1095 | * @brief Send an amount of data in non blocking mode
|
---|
1096 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
1097 | * the configuration information for SMARTCARD module.
|
---|
1098 | * @retval HAL status
|
---|
1099 | */
|
---|
1100 | static HAL_StatusTypeDef SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc)
|
---|
1101 | {
|
---|
1102 | uint16_t* tmp;
|
---|
1103 | uint32_t tmp1 = 0;
|
---|
1104 |
|
---|
1105 | tmp1 = hsc->State;
|
---|
1106 | if((tmp1 == HAL_SMARTCARD_STATE_BUSY_TX) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_TX_RX))
|
---|
1107 | {
|
---|
1108 | tmp = (uint16_t*) hsc->pTxBuffPtr;
|
---|
1109 | hsc->Instance->DR = (uint16_t)(*tmp & (uint16_t)0x01FF);
|
---|
1110 | hsc->pTxBuffPtr += 1;
|
---|
1111 |
|
---|
1112 | if(--hsc->TxXferCount == 0)
|
---|
1113 | {
|
---|
1114 | /* Disable the SMARTCARD Transmit data register empty Interrupt */
|
---|
1115 | __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_TXE);
|
---|
1116 |
|
---|
1117 | /* Enable the SMARTCARD Transmit Complete Interrupt */
|
---|
1118 | __HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_TC);
|
---|
1119 | }
|
---|
1120 |
|
---|
1121 | return HAL_OK;
|
---|
1122 | }
|
---|
1123 | else
|
---|
1124 | {
|
---|
1125 | return HAL_BUSY;
|
---|
1126 | }
|
---|
1127 | }
|
---|
1128 |
|
---|
1129 | /**
|
---|
1130 | * @brief Wraps up transmission in non blocking mode.
|
---|
1131 | * @param hsmartcard: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
1132 | * the configuration information for the specified SMARTCARD module.
|
---|
1133 | * @retval HAL status
|
---|
1134 | */
|
---|
1135 | static HAL_StatusTypeDef SMARTCARD_EndTransmit_IT(SMARTCARD_HandleTypeDef *hsmartcard)
|
---|
1136 | {
|
---|
1137 | /* Disable the SMARTCARD Transmit Complete Interrupt */
|
---|
1138 | __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_TC);
|
---|
1139 |
|
---|
1140 | /* Check if a receive process is ongoing or not */
|
---|
1141 | if(hsmartcard->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)
|
---|
1142 | {
|
---|
1143 | hsmartcard->State = HAL_SMARTCARD_STATE_BUSY_RX;
|
---|
1144 | }
|
---|
1145 | else
|
---|
1146 | {
|
---|
1147 | /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
|
---|
1148 | __HAL_SMARTCARD_DISABLE_IT(hsmartcard, SMARTCARD_IT_ERR);
|
---|
1149 |
|
---|
1150 | hsmartcard->State = HAL_SMARTCARD_STATE_READY;
|
---|
1151 | }
|
---|
1152 |
|
---|
1153 | HAL_SMARTCARD_TxCpltCallback(hsmartcard);
|
---|
1154 |
|
---|
1155 | return HAL_OK;
|
---|
1156 | }
|
---|
1157 |
|
---|
1158 | /**
|
---|
1159 | * @brief Receive an amount of data in non blocking mode
|
---|
1160 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
1161 | * the configuration information for SMARTCARD module.
|
---|
1162 | * @retval HAL status
|
---|
1163 | */
|
---|
1164 | static HAL_StatusTypeDef SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc)
|
---|
1165 | {
|
---|
1166 | uint16_t* tmp;
|
---|
1167 | uint32_t tmp1 = 0;
|
---|
1168 |
|
---|
1169 | tmp1 = hsc->State;
|
---|
1170 | if((tmp1 == HAL_SMARTCARD_STATE_BUSY_RX) || (tmp1 == HAL_SMARTCARD_STATE_BUSY_TX_RX))
|
---|
1171 | {
|
---|
1172 | tmp = (uint16_t*) hsc->pRxBuffPtr;
|
---|
1173 | *tmp = (uint16_t)(hsc->Instance->DR & (uint16_t)0x00FF);
|
---|
1174 | hsc->pRxBuffPtr += 1;
|
---|
1175 |
|
---|
1176 | if(--hsc->RxXferCount == 0)
|
---|
1177 | {
|
---|
1178 | __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RXNE);
|
---|
1179 |
|
---|
1180 | /* Disable the SMARTCARD Parity Error Interrupt */
|
---|
1181 | __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_PE);
|
---|
1182 |
|
---|
1183 | /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
|
---|
1184 | __HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_ERR);
|
---|
1185 |
|
---|
1186 | /* Check if a non-blocking transmit process is ongoing or not */
|
---|
1187 | if(hsc->State == HAL_SMARTCARD_STATE_BUSY_TX_RX)
|
---|
1188 | {
|
---|
1189 | hsc->State = HAL_SMARTCARD_STATE_BUSY_TX;
|
---|
1190 | }
|
---|
1191 | else
|
---|
1192 | {
|
---|
1193 | hsc->State = HAL_SMARTCARD_STATE_READY;
|
---|
1194 | }
|
---|
1195 |
|
---|
1196 | HAL_SMARTCARD_RxCpltCallback(hsc);
|
---|
1197 |
|
---|
1198 | return HAL_OK;
|
---|
1199 | }
|
---|
1200 | return HAL_OK;
|
---|
1201 | }
|
---|
1202 | else
|
---|
1203 | {
|
---|
1204 | return HAL_BUSY;
|
---|
1205 | }
|
---|
1206 | }
|
---|
1207 |
|
---|
1208 | /**
|
---|
1209 | * @brief Configure the SMARTCARD peripheral
|
---|
1210 | * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains
|
---|
1211 | * the configuration information for SMARTCARD module.
|
---|
1212 | * @retval None
|
---|
1213 | */
|
---|
1214 | static void SMARTCARD_SetConfig(SMARTCARD_HandleTypeDef *hsc)
|
---|
1215 | {
|
---|
1216 | uint32_t tmpreg = 0x00;
|
---|
1217 |
|
---|
1218 | /* Check the parameters */
|
---|
1219 | assert_param(IS_SMARTCARD_INSTANCE(hsc->Instance));
|
---|
1220 | assert_param(IS_SMARTCARD_POLARITY(hsc->Init.CLKPolarity));
|
---|
1221 | assert_param(IS_SMARTCARD_PHASE(hsc->Init.CLKPhase));
|
---|
1222 | assert_param(IS_SMARTCARD_LASTBIT(hsc->Init.CLKLastBit));
|
---|
1223 | assert_param(IS_SMARTCARD_BAUDRATE(hsc->Init.BaudRate));
|
---|
1224 | assert_param(IS_SMARTCARD_WORD_LENGTH(hsc->Init.WordLength));
|
---|
1225 | assert_param(IS_SMARTCARD_STOPBITS(hsc->Init.StopBits));
|
---|
1226 | assert_param(IS_SMARTCARD_PARITY(hsc->Init.Parity));
|
---|
1227 | assert_param(IS_SMARTCARD_MODE(hsc->Init.Mode));
|
---|
1228 | assert_param(IS_SMARTCARD_NACK_STATE(hsc->Init.NACKState));
|
---|
1229 |
|
---|
1230 | /* The LBCL, CPOL and CPHA bits have to be selected when both the transmitter and the
|
---|
1231 | receiver are disabled (TE=RE=0) to ensure that the clock pulses function correctly. */
|
---|
1232 | hsc->Instance->CR1 &= (uint32_t)~((uint32_t)(USART_CR1_TE | USART_CR1_RE));
|
---|
1233 |
|
---|
1234 | /*---------------------------- USART CR2 Configuration ---------------------*/
|
---|
1235 | tmpreg = hsc->Instance->CR2;
|
---|
1236 | /* Clear CLKEN, CPOL, CPHA and LBCL bits */
|
---|
1237 | tmpreg &= (uint32_t)~((uint32_t)(USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_CLKEN | USART_CR2_LBCL));
|
---|
1238 | /* Configure the SMARTCARD Clock, CPOL, CPHA and LastBit -----------------------*/
|
---|
1239 | /* Set CPOL bit according to hsc->Init.CLKPolarity value */
|
---|
1240 | /* Set CPHA bit according to hsc->Init.CLKPhase value */
|
---|
1241 | /* Set LBCL bit according to hsc->Init.CLKLastBit value */
|
---|
1242 | /* Set Stop Bits: Set STOP[13:12] bits according to hsc->Init.StopBits value */
|
---|
1243 | tmpreg |= (uint32_t)(USART_CR2_CLKEN | hsc->Init.CLKPolarity |
|
---|
1244 | hsc->Init.CLKPhase| hsc->Init.CLKLastBit | hsc->Init.StopBits);
|
---|
1245 | /* Write to USART CR2 */
|
---|
1246 | hsc->Instance->CR2 = (uint32_t)tmpreg;
|
---|
1247 |
|
---|
1248 | tmpreg = hsc->Instance->CR2;
|
---|
1249 |
|
---|
1250 | /* Clear STOP[13:12] bits */
|
---|
1251 | tmpreg &= (uint32_t)~((uint32_t)USART_CR2_STOP);
|
---|
1252 |
|
---|
1253 | /* Set Stop Bits: Set STOP[13:12] bits according to hsc->Init.StopBits value */
|
---|
1254 | tmpreg |= (uint32_t)(hsc->Init.StopBits);
|
---|
1255 |
|
---|
1256 | /* Write to USART CR2 */
|
---|
1257 | hsc->Instance->CR2 = (uint32_t)tmpreg;
|
---|
1258 |
|
---|
1259 | /*-------------------------- USART CR1 Configuration -----------------------*/
|
---|
1260 | tmpreg = hsc->Instance->CR1;
|
---|
1261 |
|
---|
1262 | /* Clear M, PCE, PS, TE and RE bits */
|
---|
1263 | tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | \
|
---|
1264 | USART_CR1_RE));
|
---|
1265 |
|
---|
1266 | /* Configure the SMARTCARD Word Length, Parity and mode:
|
---|
1267 | Set the M bits according to hsc->Init.WordLength value
|
---|
1268 | Set PCE and PS bits according to hsc->Init.Parity value
|
---|
1269 | Set TE and RE bits according to hsc->Init.Mode value */
|
---|
1270 | tmpreg |= (uint32_t)hsc->Init.WordLength | hsc->Init.Parity | hsc->Init.Mode;
|
---|
1271 |
|
---|
1272 | /* Write to USART CR1 */
|
---|
1273 | hsc->Instance->CR1 = (uint32_t)tmpreg;
|
---|
1274 |
|
---|
1275 | /*-------------------------- USART CR3 Configuration -----------------------*/
|
---|
1276 | /* Clear CTSE and RTSE bits */
|
---|
1277 | hsc->Instance->CR3 &= (uint32_t)~((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE));
|
---|
1278 |
|
---|
1279 | /*-------------------------- USART BRR Configuration -----------------------*/
|
---|
1280 | if((hsc->Instance == USART1) || (hsc->Instance == USART6))
|
---|
1281 | {
|
---|
1282 | hsc->Instance->BRR = SMARTCARD_BRR(HAL_RCC_GetPCLK2Freq(), hsc->Init.BaudRate);
|
---|
1283 | }
|
---|
1284 | else
|
---|
1285 | {
|
---|
1286 | hsc->Instance->BRR = SMARTCARD_BRR(HAL_RCC_GetPCLK1Freq(), hsc->Init.BaudRate);
|
---|
1287 | }
|
---|
1288 | }
|
---|
1289 |
|
---|
1290 | /**
|
---|
1291 | * @}
|
---|
1292 | */
|
---|
1293 |
|
---|
1294 | #endif /* HAL_SMARTCARD_MODULE_ENABLED */
|
---|
1295 | /**
|
---|
1296 | * @}
|
---|
1297 | */
|
---|
1298 |
|
---|
1299 | /**
|
---|
1300 | * @}
|
---|
1301 | */
|
---|
1302 |
|
---|
1303 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
---|