[175] | 1 | /*
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| 2 | Description:
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| 3 | This is a example code for Sandbox Electronics' I2C/SPI to UART bridge module.
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| 4 | You can get one of those products on
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| 5 | http://sandboxelectronics.com
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| 6 |
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| 7 | Version:
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| 8 | V0.1
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| 9 |
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| 10 | Release Date:
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| 11 | 2014-02-16
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| 12 |
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| 13 | Author:
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| 14 | Tiequan Shao info@sandboxelectronics.com
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| 15 |
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| 16 | Lisence:
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| 17 | CC BY-NC-SA 3.0
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| 18 |
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| 19 | Please keep the above information when you use this code in your project.
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| 20 | */
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| 21 |
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| 22 |
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| 23 | #ifndef _SC16IS750_H_
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| 24 | #define _SC16IS750_H_
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| 25 |
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| 26 | #if ARDUINO >= 100
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| 27 | #include "Arduino.h"
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| 28 | #else
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| 29 | #include "WProgram.h"
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| 30 | #endif
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| 31 |
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| 32 | //Device Address
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| 33 |
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| 34 | //A:VDD
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| 35 | //B:GND
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| 36 | //C:SCL
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| 37 | //D:SDA
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| 38 | #define SC16IS750_ADDRESS_AA (0X90)
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| 39 | #define SC16IS750_ADDRESS_AB (0X92)
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| 40 | #define SC16IS750_ADDRESS_AC (0X94)
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| 41 | #define SC16IS750_ADDRESS_AD (0X96)
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| 42 | #define SC16IS750_ADDRESS_BA (0X98)
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| 43 | #define SC16IS750_ADDRESS_BB (0X9A)
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| 44 | #define SC16IS750_ADDRESS_BC (0X9C)
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| 45 | #define SC16IS750_ADDRESS_BD (0X9E)
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| 46 | #define SC16IS750_ADDRESS_CA (0XA0)
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| 47 | #define SC16IS750_ADDRESS_CB (0XA2)
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| 48 | #define SC16IS750_ADDRESS_CC (0XA4)
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| 49 | #define SC16IS750_ADDRESS_CD (0XA6)
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| 50 | #define SC16IS750_ADDRESS_DA (0XA8)
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| 51 | #define SC16IS750_ADDRESS_DB (0XAA)
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| 52 | #define SC16IS750_ADDRESS_DC (0XAC)
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| 53 | #define SC16IS750_ADDRESS_DD (0XAE)
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| 54 |
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| 55 |
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| 56 | //General Registers
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| 57 | #define SC16IS750_REG_RHR (0x00)
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| 58 | #define SC16IS750_REG_THR (0X00)
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| 59 | #define SC16IS750_REG_IER (0X01)
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| 60 | #define SC16IS750_REG_FCR (0X02)
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| 61 | #define SC16IS750_REG_IIR (0X02)
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| 62 | #define SC16IS750_REG_LCR (0X03)
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| 63 | #define SC16IS750_REG_MCR (0X04)
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| 64 | #define SC16IS750_REG_LSR (0X05)
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| 65 | #define SC16IS750_REG_MSR (0X06)
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| 66 | #define SC16IS750_REG_SPR (0X07)
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| 67 | #define SC16IS750_REG_TCR (0X06)
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| 68 | #define SC16IS750_REG_TLR (0X07)
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| 69 | #define SC16IS750_REG_TXLVL (0X08)
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| 70 | #define SC16IS750_REG_RXLVL (0X09)
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| 71 | #define SC16IS750_REG_IODIR (0X0A)
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| 72 | #define SC16IS750_REG_IOSTATE (0X0B)
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| 73 | #define SC16IS750_REG_IOINTENA (0X0C)
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| 74 | #define SC16IS750_REG_IOCONTROL (0X0E)
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| 75 | #define SC16IS750_REG_EFCR (0X0F)
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| 76 |
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| 77 | //Special Registers
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| 78 | #define SC16IS750_REG_DLL (0x00)
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| 79 | #define SC16IS750_REG_DLH (0X01)
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| 80 |
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| 81 | //Enhanced Registers
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| 82 | #define SC16IS750_REG_EFR (0X02)
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| 83 | #define SC16IS750_REG_XON1 (0X04)
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| 84 | #define SC16IS750_REG_XON2 (0X05)
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| 85 | #define SC16IS750_REG_XOFF1 (0X06)
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| 86 | #define SC16IS750_REG_XOFF2 (0X07)
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| 87 |
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| 88 | //
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| 89 | #define SC16IS750_INT_CTS (0X80)
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| 90 | #define SC16IS750_INT_RTS (0X40)
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| 91 | #define SC16IS750_INT_XOFF (0X20)
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| 92 | #define SC16IS750_INT_SLEEP (0X10)
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| 93 | #define SC16IS750_INT_MODEM (0X08)
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| 94 | #define SC16IS750_INT_LINE (0X04)
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| 95 | #define SC16IS750_INT_THR (0X02)
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| 96 | #define SC16IS750_INT_RHR (0X01)
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| 97 |
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| 98 | //Application Related
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| 99 |
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| 100 | #define SC16IS750_CRYSTCAL_FREQ (14745600UL)
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| 101 | //#define SC16IS750_CRYSTCAL_FREQ (1843200UL)
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| 102 | //#define SC16IS750_CRYSTCAL_FREQ (16000000UL)
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| 103 | //#define SC16IS750_DEBUG_PRINT (0)
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| 104 | #define SC16IS750_PROTOCOL_I2C (0)
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| 105 | #define SC16IS750_PROTOCOL_I2C (0)
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[224] | 106 | #define DELIMITER "<!--~-->"
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| 107 | #define EOL '\0'
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[175] | 108 |
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| 109 | class WifiData : public Stream
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| 110 | {
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| 111 | public:
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[224] | 112 | WifiData();
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[175] | 113 | void begin(uint32_t baud);
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| 114 | int read();
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| 115 | size_t write(uint8_t val);
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| 116 | int available();
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| 117 | void pinMode(uint8_t pin, uint8_t io);
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| 118 | void digitalWrite(uint8_t pin, uint8_t value);
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| 119 | uint8_t digitalRead(uint8_t pin);
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| 120 | uint8_t ping();
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| 121 | int peek();
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| 122 | void flush();
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| 123 | uint8_t GPIOGetPortState(void);
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| 124 | uint8_t InterruptPendingTest(void);
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| 125 | void SetPinInterrupt(uint8_t io_int_ena);
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| 126 | void InterruptControl(uint8_t int_ena);
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| 127 | void ModemPin(uint8_t gpio); //gpio == 0, gpio[7:4] are modem pins, gpio == 1 gpio[7:4] are gpios
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| 128 | void GPIOLatch(uint8_t latch);
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| 129 |
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| 130 |
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| 131 | private:
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| 132 | uint8_t device_address_sspin;
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| 133 | uint8_t protocol;
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| 134 | // uint32_t timeout;
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| 135 | int16_t SetBaudrate(uint32_t baudrate);
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| 136 | uint8_t ReadRegister(uint8_t reg_addr);
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| 137 | void WriteRegister(uint8_t reg_addr, uint8_t val);
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| 138 | void SetLine(uint8_t data_length, uint8_t parity_select, uint8_t stop_length );
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| 139 | void GPIOSetPinMode(uint8_t pin_number, uint8_t i_o);
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| 140 | void GPIOSetPinState(uint8_t pin_number, uint8_t pin_state);
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| 141 |
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| 142 | uint8_t GPIOGetPinState(uint8_t pin_number);
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| 143 | void GPIOSetPortMode(uint8_t port_io);
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| 144 | void GPIOSetPortState(uint8_t port_state);
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| 145 | void ResetDevice(void);
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| 146 |
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| 147 |
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| 148 |
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| 149 | void __isr(void);
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| 150 | void FIFOEnable(uint8_t fifo_enable);
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| 151 | void FIFOReset(uint8_t rx_fifo);
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| 152 | void FIFOSetTriggerLevel(uint8_t rx_fifo, uint8_t length);
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| 153 | uint8_t FIFOAvailableData(void);
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| 154 | uint8_t FIFOAvailableSpace(void);
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| 155 | void WriteByte(uint8_t val);
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| 156 | int ReadByte(void);
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| 157 | void EnableTransmit(uint8_t tx_enable);
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| 158 | // int16_t readwithtimeout();
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| 159 | int peek_buf;
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| 160 | uint8_t peek_flag;
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| 161 |
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| 162 | };
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| 163 |
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[224] | 164 | #endif
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