[453] | 1 | /*
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| 2 | * TOPPERS/ASP Kernel
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems/
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| 4 | * Advanced Standard Profile Kernel
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| 5 | *
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| 6 | * Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
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| 7 | * Toyohashi Univ. of Technology, JAPAN
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| 8 | * Copyright (C) 2004-2012 by Embedded and Real-Time Systems Laboratory
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| 9 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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| 10 | * Copyright (C) 2015-2019 by TOPPERS PROJECT Educational Working Group.
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| 11 | *
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| 12 | * 上記著作権者は,以下の(1)~(4)の条件を満たす場合に限り,本ソフトウェ
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| 13 | * ア(本ソフトウェアを改変したものを含む.以下同じ)を使用・複製・改
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| 14 | * 変・再配布(以下,利用と呼ぶ)することを無償で許諾する.
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| 15 | * (1) 本ソフトウェアをソースコードの形で利用する場合には,上記の著作
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| 16 | * 権表示,この利用条件および下記の無保証規定が,そのままの形でソー
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| 17 | * スコード中に含まれていること.
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| 18 | * (2) 本ソフトウェアを,ライブラリ形式など,他のソフトウェア開発に使
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| 19 | * 用できる形で再配布する場合には,再配布に伴うドキュメント(利用
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| 20 | * 者マニュアルなど)に,上記の著作権表示,この利用条件および下記
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| 21 | * の無保証規定を掲載すること.
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| 22 | * (3) 本ソフトウェアを,機器に組み込むなど,他のソフトウェア開発に使
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| 23 | * 用できない形で再配布する場合には,次のいずれかの条件を満たすこ
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| 24 | * と.
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| 25 | * (a) 再配布に伴うドキュメント(利用者マニュアルなど)に,上記の著
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| 26 | * 作権表示,この利用条件および下記の無保証規定を掲載すること.
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| 27 | * (b) 再配布の形態を,別に定める方法によって,TOPPERSプロジェクトに
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| 28 | * 報告すること.
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| 29 | * (4) 本ソフトウェアの利用により直接的または間接的に生じるいかなる損
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| 30 | * 害からも,上記著作権者およびTOPPERSプロジェクトを免責すること.
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| 31 | * また,本ソフトウェアのユーザまたはエンドユーザからのいかなる理
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| 32 | * 由に基づく請求からも,上記著作権者およびTOPPERSプロジェクトを
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| 33 | * 免責すること.
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| 34 | *
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| 35 | * 本ソフトウェアは,無保証で提供されているものである.上記著作権者お
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| 36 | * よびTOPPERSプロジェクトは,本ソフトウェアに関して,特定の使用目的
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| 37 | * に対する適合性も含めて,いかなる保証も行わない.また,本ソフトウェ
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| 38 | * アの利用により直接的または間接的に生じたいかなる損害に関しても,そ
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| 39 | * の責任を負わない.
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| 40 | *
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| 41 | * $Id$
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| 42 | */
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| 43 | /*
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| 44 | * SIPEED ST7789 2.4"LCD制御プログラムの本体
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| 45 | */
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| 46 |
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| 47 | #include <kernel.h>
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| 48 | #include <t_syslog.h>
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| 49 | #include <t_stdlib.h>
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| 50 | #include <stdio.h>
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| 51 | #include <string.h>
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| 52 | #include <target_syssvc.h>
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| 53 | #include "syssvc/serial.h"
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| 54 | #include "syssvc/syslog.h"
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| 55 | #include "sipeed_st7789.h"
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| 56 |
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| 57 | /*
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| 58 | * サービスコールのエラーのログ出力
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| 59 | */
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| 60 | Inline void
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| 61 | svc_perror(const char *file, int_t line, const char *expr, ER ercd)
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| 62 | {
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| 63 | if (ercd < 0) {
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| 64 | t_perror(LOG_ERROR, file, line, expr, ercd);
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| 65 | }
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| 66 | }
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| 67 |
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| 68 | #define SVC_PERROR(expr) svc_perror(__FILE__, __LINE__, #expr, (expr))
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| 69 | #define ABS(X) ((X) > 0 ? (X) : -(X))
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| 70 |
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| 71 | #ifndef SPI_CORE_WAIT_TIME
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| 72 | #define SPI_CORE_WAIT_TIME 500
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| 73 | #endif
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| 74 |
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| 75 | #define PORT_HIGH 1
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| 76 | #define PORT_LOW 0
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| 77 |
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| 78 | #define MAX_BUFFER 8
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| 79 |
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| 80 | static uint32_t aTxBuffer[MAX_BUFFER];
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| 81 |
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| 82 |
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| 83 | static void set_dcx_control(LCD_Handler_t *hlcd)
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| 84 | {
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| 85 | gpio_set_pin(TADR_GPIO_BASE, hlcd->dcx_no, PORT_LOW);
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| 86 | }
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| 87 |
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| 88 | static void set_dcx_data(LCD_Handler_t *hlcd)
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| 89 | {
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| 90 | gpio_set_pin(TADR_GPIO_BASE, hlcd->dcx_no, PORT_HIGH);
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| 91 | }
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| 92 |
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| 93 | /*
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| 94 | * LCDへのコマンド送信関数
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| 95 | */
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| 96 | ER
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| 97 | lcd_writecommand(LCD_Handler_t *hlcd, uint8_t c)
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| 98 | {
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| 99 | SPI_Handle_t *hspi = hlcd->hspi;
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| 100 | ER ercd = E_OK;
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| 101 |
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| 102 | aTxBuffer[0] = c;
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| 103 | set_dcx_control(hlcd);
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| 104 | hspi->Init.DataSize = 8;
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| 105 | hspi->Init.InstLength = 8;
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| 106 | hspi->Init.AddrLength = 0;
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| 107 | ercd = spi_core_transmit(hspi, hlcd->cs_sel, (uint8_t *)(aTxBuffer), 1);
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| 108 | #if SPI_WAIT_TIME == 0
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| 109 | if(ercd == E_OK)
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| 110 | ercd = spi_wait(hspi, SPI_CORE_WAIT_TIME);
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| 111 | #endif
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| 112 | return ercd;
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| 113 | }
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| 114 |
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| 115 | /*
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| 116 | * LCDへのデータ送信関数
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| 117 | */
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| 118 | ER
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| 119 | lcd_writebyte(LCD_Handler_t *hlcd, uint8_t *buf, uint8_t len)
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| 120 | {
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| 121 | SPI_Handle_t *hspi = hlcd->hspi;
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| 122 | uint32_t i;
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| 123 | ER ercd = E_OK;
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| 124 |
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| 125 | if(len >= MAX_BUFFER)
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| 126 | return E_PAR;
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| 127 | for(i = 0 ; i < len ; i++)
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| 128 | aTxBuffer[i] = buf[i];
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| 129 |
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| 130 | set_dcx_data(hlcd);
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| 131 | hspi->Init.DataSize = 8;
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| 132 | hspi->Init.InstLength = 8;
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| 133 | hspi->Init.AddrLength = 0;
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| 134 | ercd = spi_core_transmit(hspi, hlcd->cs_sel, (uint8_t *)aTxBuffer, len);
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| 135 | #if SPI_WAIT_TIME == 0
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| 136 | if(ercd == E_OK)
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| 137 | ercd = spi_wait(hspi, SPI_CORE_WAIT_TIME);
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| 138 | #endif
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| 139 | return ercd;
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| 140 | }
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| 141 |
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| 142 | ER
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| 143 | lcd_writebyte2(LCD_Handler_t *hlcd, uint8_t *buf, uint8_t len)
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| 144 | {
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| 145 | SPI_Handle_t *hspi = hlcd->hspi;
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| 146 | ER ercd = E_OK;
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| 147 |
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| 148 | set_dcx_data(hlcd);
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| 149 | hspi->Init.DataSize = 8;
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| 150 | hspi->Init.InstLength = 8;
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| 151 | hspi->Init.AddrLength = 0;
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| 152 | ercd = spi_core_transmit(hspi, hlcd->cs_sel, buf, len);
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| 153 | #if SPI_WAIT_TIME == 0
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| 154 | if(ercd == E_OK)
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| 155 | ercd = spi_wait(hspi, SPI_CORE_WAIT_TIME);
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| 156 | #endif
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| 157 | return ercd;
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| 158 | }
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| 159 |
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| 160 | /*
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| 161 | * LCDへの16ビットデータ転送
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| 162 | */
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| 163 | ER
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| 164 | lcd_writehalf(LCD_Handler_t *hlcd, uint32_t *buf, int cnt)
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| 165 | {
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| 166 | SPI_Handle_t *hspi = hlcd->hspi;
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| 167 | ER ercd = E_OK;
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| 168 |
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| 169 | set_dcx_data(hlcd);
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| 170 | hspi->Init.DataSize = 16;
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| 171 | hspi->Init.InstLength = 16;
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| 172 | hspi->Init.AddrLength = 0;
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| 173 | ercd = spi_core_transmit(hspi, hlcd->cs_sel, (uint8_t *)buf, cnt);
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| 174 | #if SPI_WAIT_TIME == 0
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| 175 | if(ercd == E_OK)
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| 176 | ercd = spi_wait(hspi, SPI_CORE_WAIT_TIME);
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| 177 | #endif
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| 178 | return ercd;
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| 179 | }
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| 180 |
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| 181 | /*
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| 182 | * LCD32ビットフィル
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| 183 | */
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| 184 | ER
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| 185 | lcd_filldata(LCD_Handler_t *hlcd, uint32_t *data_buf, uint32_t len)
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| 186 | {
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| 187 | SPI_Handle_t *hspi = hlcd->hspi;
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| 188 | ER ercd = E_OK;
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| 189 |
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| 190 | set_dcx_data(hlcd);
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| 191 | hspi->Init.DataSize = 32;
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| 192 | hspi->Init.InstLength = 0;
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| 193 | hspi->Init.AddrLength = 32;
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| 194 | ercd = spi_core_transmit_fill(hspi, hlcd->cs_sel, data_buf, len);
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| 195 | #if SPI_WAIT_TIME == 0
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| 196 | if(ercd == E_OK)
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| 197 | spi_wait(hspi, SPI_CORE_WAIT_TIME);
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| 198 | #endif
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| 199 | return ercd;
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| 200 | }
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| 201 |
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| 202 | /*
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| 203 | * SIPEED LCD初期化
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| 204 | */
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| 205 | void lcd_init(LCD_Handler_t *hlcd)
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| 206 | {
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| 207 | GPIO_Init_t init = {0};
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| 208 | uint8_t data = 0;
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| 209 |
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| 210 | /*
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| 211 | * DCXピン初期化
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| 212 | */
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| 213 | fpioa_set_function(hlcd->dcx_pin , FUNC_GPIO0 + hlcd->dcx_no);
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| 214 | init.mode = GPIO_MODE_OUTPUT;
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| 215 | init.pull = GPIO_PULLDOWN;
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| 216 | gpio_setup(TADR_GPIO_BASE, &init, hlcd->dcx_no);
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| 217 | gpio_set_pin(TADR_GPIO_BASE, hlcd->dcx_no, PORT_HIGH);
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| 218 |
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| 219 | /*
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| 220 | * LCDリセット
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| 221 | */
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| 222 | if(hlcd->rst_pin >= 0){
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| 223 | fpioa_set_function(hlcd->rst_pin , FUNC_GPIO0 + hlcd->rst_no);
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| 224 | init.mode = GPIO_MODE_OUTPUT;
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| 225 | init.pull = GPIO_PULLDOWN;
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| 226 | gpio_setup(TADR_GPIO_BASE, &init, hlcd->rst_no);
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| 227 | gpio_set_pin(TADR_GPIO_BASE, hlcd->rst_no, PORT_HIGH);
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| 228 |
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| 229 | gpio_set_pin(TADR_GPIO_BASE, hlcd->rst_no, 0);
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| 230 | gpio_set_pin(TADR_GPIO_BASE, hlcd->rst_no, 1);
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| 231 | }
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| 232 |
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| 233 | /*
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| 234 | * soft reset
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| 235 | */
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| 236 | lcd_writecommand(hlcd, SOFTWARE_RESET);
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| 237 | dly_tsk(100);
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| 238 | /*
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| 239 | * exit sleep
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| 240 | */
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| 241 | lcd_writecommand(hlcd, SLEEP_OFF);
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| 242 | dly_tsk(100);
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| 243 | /*
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| 244 | * pixel format
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| 245 | */
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| 246 | lcd_writecommand(hlcd, PIXEL_FORMAT_SET);
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| 247 | data = 0x55;
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| 248 | lcd_writebyte(hlcd, &data, 1);
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| 249 | if(hlcd->dir & DIR_XY_MASK){
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| 250 | hlcd->_width = ST7789_TFTHEIGHT;
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| 251 | hlcd->_height = ST7789_TFTWIDTH;
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| 252 | }
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| 253 | else{
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| 254 | hlcd->_width = ST7789_TFTWIDTH;
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| 255 | hlcd->_height = ST7789_TFTHEIGHT;
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| 256 | }
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| 257 | hlcd->colstart = 0;
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| 258 | hlcd->rowstart = 0;
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| 259 |
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| 260 | lcd_writecommand(hlcd, MEMORY_ACCESS_CTL);
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| 261 | lcd_writebyte(hlcd, (uint8_t *)&hlcd->dir, 1);
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| 262 |
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| 263 | /*
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| 264 | * display on
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| 265 | */
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| 266 | lcd_writecommand(hlcd, DISPALY_ON);
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| 267 | hlcd->mode = 1;
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| 268 | }
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| 269 |
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| 270 | /*
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| 271 | * 表示ウィンドウ設定
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| 272 | */
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| 273 | void
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| 274 | lcd_setAddrWindow(LCD_Handler_t *hlcd, uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1)
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| 275 | {
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| 276 | uint8_t data[4] = {0};
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| 277 |
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| 278 | data[0] = (uint8_t)(x0 >> 8);
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| 279 | data[1] = (uint8_t)(x0);
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| 280 | data[2] = (uint8_t)(x1 >> 8);
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| 281 | data[3] = (uint8_t)(x1);
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| 282 | lcd_writecommand(hlcd, HORIZONTAL_ADDRESS_SET);
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| 283 | lcd_writebyte(hlcd, data, 4);
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| 284 |
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| 285 | data[0] = (uint8_t)(y0 >> 8);
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| 286 | data[1] = (uint8_t)(y0);
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| 287 | data[2] = (uint8_t)(y1 >> 8);
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| 288 | data[3] = (uint8_t)(y1);
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| 289 | lcd_writecommand(hlcd, VERTICAL_ADDRESS_SET);
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| 290 | lcd_writebyte(hlcd, data, 4);
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| 291 |
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| 292 | SVC_PERROR(lcd_writecommand(hlcd, MEMORY_WRITE));
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| 293 | }
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| 294 |
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| 295 | /*
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| 296 | * RECTANGLEのフィル描画
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| 297 | * param1 hlcd: Pointer to LCD Handler
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| 298 | * param2 x: start X position
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| 299 | * param3 y: start Y position
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| 300 | * param4 w: width
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| 301 | * param5 h: height
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| 302 | * param6 color: color value
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| 303 | */
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| 304 | void
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| 305 | lcd_fillRect(LCD_Handler_t *hlcd, int16_t x, int16_t y, int16_t w, int16_t h, color_t color)
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| 306 | {
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| 307 | uint32_t data = ((uint32_t)color << 16) | (uint32_t)color;
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| 308 | // rudimentary clipping (drawChar w/big text requires this)
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| 309 | if((x >= hlcd->_width) || (y >= hlcd->_height)) return;
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| 310 | if((x + w - 1) >= hlcd->_width) w = hlcd->_width - x;
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| 311 | if((y + h - 1) >= hlcd->_height) h = hlcd->_height - y;
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| 312 |
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| 313 | lcd_setAddrWindow(hlcd, x, y, x+w-1, y+h-1);
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| 314 | SVC_PERROR(lcd_filldata(hlcd, &data, (h*w+1)/2));
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| 315 | }
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| 316 |
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| 317 | /*
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| 318 | * PIXEL描画
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| 319 | * param1 hlcd: Pointer to LCD Handler
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| 320 | * param2 x: X position
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| 321 | * param3 y: Y position
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| 322 | * param4 color: color value
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| 323 | */
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| 324 | void
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| 325 | lcd_drawPixel(LCD_Handler_t *hlcd, int16_t x, int16_t y, color_t color)
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| 326 | {
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| 327 | uint32_t data = color;
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| 328 | lcd_setAddrWindow(hlcd, x, y, x, y);
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| 329 | SVC_PERROR(lcd_writehalf(hlcd, &data, 1));
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| 330 | }
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| 331 |
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| 332 | /*
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| 333 | * 垂直方向LINEの高速描画
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| 334 | * param1 hlcd: Pointer to LCD Handler
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| 335 | * param2 x: start X position
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| 336 | * param3 y: start Y position
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| 337 | * param4 h: height
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| 338 | * param5 color: color value
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| 339 | */
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| 340 | void
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| 341 | lcd_drawFastVLine(LCD_Handler_t *hlcd, int16_t x, int16_t y, int16_t h, color_t color)
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| 342 | {
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| 343 | uint32_t data = ((uint32_t)color << 16) | (uint32_t)color;
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| 344 | // Rudimentary clipping
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| 345 | if(h == 0) return;
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| 346 | if((x >= hlcd->_width) || (y >= hlcd->_height)) return;
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| 347 | if((y+h-1) >= hlcd->_height) h = hlcd->_height-y;
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| 348 | lcd_setAddrWindow(hlcd, x, y, x, y+h-1);
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| 349 | SVC_PERROR(lcd_filldata(hlcd, &data, (h+1)/2));
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| 350 | }
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| 351 |
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| 352 | /*
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| 353 | * 水平方向LINEの高速描画
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| 354 | * param1 hlcd: Pointer to LCD Handler
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| 355 | * param2 x: start X position
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| 356 | * param3 y: start Y position
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| 357 | * param4 w: width
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| 358 | * param5 color: color value
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| 359 | */
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| 360 | void lcd_drawFastHLine(LCD_Handler_t *hlcd, int16_t x, int16_t y, int16_t w, color_t color)
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| 361 | {
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| 362 | uint32_t data = ((uint32_t)color << 16) | (uint32_t)color;
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| 363 | // Rudimentary clipping
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| 364 | if(w == 0) return;
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| 365 | if((x >= hlcd->_width) || (y >= hlcd->_height)) return;
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| 366 | if((x+w-1) >= hlcd->_width) w = hlcd->_width-x;
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| 367 | lcd_setAddrWindow(hlcd, x, y, x+w-1, y);
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| 368 | SVC_PERROR(lcd_filldata(hlcd, &data, (w+1)/2));
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| 369 | }
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| 370 |
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| 371 | /*
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| 372 | * DRAW IMAGE LINE描画
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| 373 | * param1 hlcd: Pointer to LCD Handler
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| 374 | * param2 x: X position
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| 375 | * param3 y: Y position
|
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| 376 | * param4 w: width
|
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| 377 | * param5 pcolor: color value
|
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| 378 | */
|
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| 379 | void
|
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| 380 | lcd_drawImageHLine(LCD_Handler_t *hlcd, int16_t x, int16_t y, uint16_t w, uint32_t *pcolor)
|
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| 381 | {
|
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| 382 | if((x >= hlcd->_width) || (y >= hlcd->_height)) return;
|
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| 383 | if((x+w-1) >= hlcd->_width) w = hlcd->_width-x;
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| 384 | lcd_setAddrWindow(hlcd, x, y, x+w-1, y);
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| 385 | SVC_PERROR(lcd_writehalf(hlcd, pcolor, w));
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| 386 | }
|
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| 387 |
|
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| 388 | /*
|
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| 389 | * BITMAP描画
|
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| 390 | * param1 hlcd: Pointer to LCD Handler
|
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| 391 | * param2 x0: Bmp X position in the LCD
|
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| 392 | * param3 y0: Bmp Y position in the LCD
|
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| 393 | * param4 pbmp: Pointer to Bmp picture address in the internal Flash
|
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| 394 | */
|
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| 395 | void
|
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| 396 | lcd_drawBitmap(LCD_Handler_t *hlcd, uint16_t x0, uint16_t y0, uint8_t *pbmp)
|
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| 397 | {
|
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| 398 | uint32_t index = 0, width = 0, height = 0, bit_pixel = 0;
|
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| 399 | uint32_t input_color_mode = 0;
|
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| 400 | uint32_t i;
|
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| 401 |
|
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| 402 | /* Get bitmap data address offset */
|
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| 403 | index = *(uint16_t *) (pbmp + 10);
|
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| 404 | index |= (*(uint16_t *) (pbmp + 12)) << 16;
|
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| 405 |
|
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| 406 | /* Read bitmap width */
|
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| 407 | width = *(uint16_t *) (pbmp + 18);
|
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| 408 | width |= (*(uint16_t *) (pbmp + 20)) << 16;
|
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| 409 |
|
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| 410 | /* Read bitmap height */
|
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| 411 | height = *(uint16_t *) (pbmp + 22);
|
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| 412 | height |= (*(uint16_t *) (pbmp + 24)) << 16;
|
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| 413 |
|
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| 414 | /* Read bit/pixel */
|
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| 415 | bit_pixel = *(uint16_t *) (pbmp + 28);
|
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| 416 |
|
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| 417 | /* Get the layer pixel format */
|
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| 418 | if ((bit_pixel/8) == 4){
|
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| 419 | input_color_mode = CM_ARGB8888;
|
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| 420 | }
|
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| 421 | else if ((bit_pixel/8) == 2){
|
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| 422 | input_color_mode = CM_RGB565;
|
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| 423 | }
|
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| 424 | else{
|
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| 425 | input_color_mode = CM_RGB888;
|
---|
| 426 | }
|
---|
| 427 |
|
---|
| 428 | /* Bypass the bitmap header */
|
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| 429 | pbmp += (index + (width * (height - 1) * (bit_pixel/8)));
|
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| 430 | syslog_4(LOG_NOTICE, "## input_color_mode(%d) width(%d) height(%d) bit_pixel(%d) ##", input_color_mode, width, height, bit_pixel);
|
---|
| 431 | for(index=0; index < height; index++){
|
---|
| 432 | uint8_t *p = pbmp;
|
---|
| 433 | color_t color;
|
---|
| 434 | for (i = 0; i < width; i++){
|
---|
| 435 | color = ((p[0] & 0xf8) | (p[1] >> 5)) << 8;
|
---|
| 436 | color |= ((p[1] << 3) & 0xE0) | ((p[2] >> 3) & 0x1F);
|
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| 437 | lcd_drawPixel(hlcd, x0+i, y0+index, color);
|
---|
| 438 | p += 3;
|
---|
| 439 | }
|
---|
| 440 | pbmp -= width*3;
|
---|
| 441 | }
|
---|
| 442 | }
|
---|
| 443 |
|
---|
| 444 | /*
|
---|
| 445 | * PICTURE描画
|
---|
| 446 | * param1 hlcd: Pointer to LCD Handler
|
---|
| 447 | * param2 x: Picture X position in the LCD
|
---|
| 448 | * param3 y: Picture Y position in the LCD
|
---|
| 449 | * param4 width: Picture width
|
---|
| 450 | * param5 height: Picture heigth
|
---|
| 451 | * param6 pbmp: Pointer to picture address in the internal Flash
|
---|
| 452 | */
|
---|
| 453 | void
|
---|
| 454 | lcd_drawPicture(LCD_Handler_t *hlcd, uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t *pbmp)
|
---|
| 455 | {
|
---|
| 456 | SPI_Handle_t *hspi = hlcd->hspi;
|
---|
| 457 | ER ercd = E_OK;
|
---|
| 458 |
|
---|
| 459 | if((x >= hlcd->_width) || (y >= hlcd->_height)) return;
|
---|
| 460 | if((x+width-1) > hlcd->_width) return;
|
---|
| 461 | if((y+height-1) > hlcd->_height) return;
|
---|
| 462 |
|
---|
| 463 | lcd_setAddrWindow(hlcd, x, y, x+width-1, y+height-1);
|
---|
| 464 | set_dcx_data(hlcd);
|
---|
| 465 | hspi->Init.DataSize = 32;
|
---|
| 466 | hspi->Init.InstLength = 0;
|
---|
| 467 | hspi->Init.AddrLength = 32;
|
---|
| 468 | ercd = spi_core_transmit(hspi, hlcd->cs_sel, (uint8_t *)pbmp, width * height / 2);
|
---|
| 469 | #if SPI_WAIT_TIME == 0
|
---|
| 470 | if(ercd == E_OK)
|
---|
| 471 | spi_wait(hspi, SPI_CORE_WAIT_TIME);
|
---|
| 472 | #endif
|
---|
| 473 | (void)(ercd);
|
---|
| 474 | }
|
---|
| 475 |
|
---|
| 476 | /*
|
---|
| 477 | * INVERT DISPLAY
|
---|
| 478 | * param1 hlcd: Pointer to LCD Handler
|
---|
| 479 | * param2 i: invert value
|
---|
| 480 | */
|
---|
| 481 | void
|
---|
| 482 | lcd_invertDisplay(LCD_Handler_t *hlcd, bool_t i)
|
---|
| 483 | {
|
---|
| 484 | lcd_writecommand(hlcd, (i ? INVERSION_DISPALY_ON : INVERSION_DISPALY_OFF));
|
---|
| 485 | }
|
---|
| 486 |
|
---|
| 487 |
|
---|
| 488 | /*
|
---|
| 489 | * スクリーンフィル
|
---|
| 490 | * param1 pDrawProp: Pointer to Draw Prop
|
---|
| 491 | */
|
---|
| 492 | void
|
---|
| 493 | lcd_fillScreen(LCD_DrawProp_t *pDrawProp)
|
---|
| 494 | {
|
---|
| 495 | lcd_fillRect(pDrawProp->hlcd, 0, 0, pDrawProp->hlcd->_width, pDrawProp->hlcd->_height, pDrawProp->BackColor);
|
---|
| 496 | }
|
---|
| 497 |
|
---|
| 498 | /*
|
---|
| 499 | * RECTANGLE描画
|
---|
| 500 | * param1 pDrawProp: Pointer to Draw Prop
|
---|
| 501 | * param2 x: left X position
|
---|
| 502 | * param3 y: top Y position
|
---|
| 503 | * param4 w: width
|
---|
| 504 | * param5 h: height
|
---|
| 505 | */
|
---|
| 506 | void
|
---|
| 507 | lcd_drawRect(LCD_DrawProp_t *pDrawProp, int16_t x, int16_t y, int16_t w, int16_t h)
|
---|
| 508 | {
|
---|
| 509 | LCD_Handler_t *hlcd = pDrawProp->hlcd;
|
---|
| 510 | color_t color;
|
---|
| 511 |
|
---|
| 512 | // rudimentary clipping (drawChar w/big text requires this)
|
---|
| 513 | if((x >= hlcd->_width) || (y >= hlcd->_height)) return;
|
---|
| 514 | if((x + w - 1) >= hlcd->_width) w = hlcd->_width - x;
|
---|
| 515 | if((y + h - 1) >= hlcd->_height) h = hlcd->_height - y;
|
---|
| 516 |
|
---|
| 517 | color = pDrawProp->TextColor;
|
---|
| 518 | lcd_drawFastVLine(hlcd, x, y, h, color);
|
---|
| 519 | lcd_drawFastHLine(hlcd, x, y+h-1, w, color);
|
---|
| 520 | lcd_drawFastVLine(hlcd, x+w-1, y, h, color);
|
---|
| 521 | lcd_drawFastHLine(hlcd, x, y, w, color);
|
---|
| 522 | }
|
---|
| 523 |
|
---|
| 524 | /*
|
---|
| 525 | * 円描画
|
---|
| 526 | * param1 pDrawProp: Pointer to Draw Prop
|
---|
| 527 | * param2 x0: X position
|
---|
| 528 | * param3 y0: Y position
|
---|
| 529 | * param4 Radius: Circle radius
|
---|
| 530 | */
|
---|
| 531 | void
|
---|
| 532 | lcd_DrawCircle(LCD_DrawProp_t *pDrawProp, uint16_t x0, uint16_t y0, uint16_t Radius)
|
---|
| 533 | {
|
---|
| 534 | LCD_Handler_t *hlcd = pDrawProp->hlcd;
|
---|
| 535 | int32_t decision; /* Decision Variable */
|
---|
| 536 | uint32_t current_x; /* Current X Value */
|
---|
| 537 | uint32_t current_y; /* Current Y Value */
|
---|
| 538 |
|
---|
| 539 | decision = 3 - (Radius << 1);
|
---|
| 540 | current_x = 0;
|
---|
| 541 | current_y = Radius;
|
---|
| 542 |
|
---|
| 543 | while(current_x <= current_y){
|
---|
| 544 | lcd_drawPixel(hlcd, (x0 + current_x), (y0 - current_y), pDrawProp->TextColor);
|
---|
| 545 | lcd_drawPixel(hlcd, (x0 - current_x), (y0 - current_y), pDrawProp->TextColor);
|
---|
| 546 | lcd_drawPixel(hlcd, (x0 + current_y), (y0 - current_x), pDrawProp->TextColor);
|
---|
| 547 | lcd_drawPixel(hlcd, (x0 - current_y), (y0 - current_x), pDrawProp->TextColor);
|
---|
| 548 | lcd_drawPixel(hlcd, (x0 + current_x), (y0 + current_y), pDrawProp->TextColor);
|
---|
| 549 | lcd_drawPixel(hlcd, (x0 - current_x), (y0 + current_y), pDrawProp->TextColor);
|
---|
| 550 | lcd_drawPixel(hlcd, (x0 + current_y), (y0 + current_x), pDrawProp->TextColor);
|
---|
| 551 | lcd_drawPixel(hlcd, (x0 - current_y), (y0 + current_x), pDrawProp->TextColor);
|
---|
| 552 |
|
---|
| 553 | if (decision < 0){
|
---|
| 554 | decision += (current_x << 2) + 6;
|
---|
| 555 | }
|
---|
| 556 | else{
|
---|
| 557 | decision += ((current_x - current_y) << 2) + 10;
|
---|
| 558 | current_y--;
|
---|
| 559 | }
|
---|
| 560 | current_x++;
|
---|
| 561 | }
|
---|
| 562 | }
|
---|
| 563 |
|
---|
| 564 | /*
|
---|
| 565 | * 線描画
|
---|
| 566 | * param1 pDrawProp: Pointer to Draw Prop
|
---|
| 567 | * param2 x1: Point 1 X position
|
---|
| 568 | * param3 y1: Point 1 Y position
|
---|
| 569 | * param4 x2: Point 2 X position
|
---|
| 570 | * param5 y2: Point 2 Y position
|
---|
| 571 | */
|
---|
| 572 | void
|
---|
| 573 | lcd_drawLine(LCD_DrawProp_t *pDrawProp, uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
|
---|
| 574 | {
|
---|
| 575 | LCD_Handler_t *hlcd = pDrawProp->hlcd;
|
---|
| 576 | int16_t deltax = 0, deltay = 0, x = 0, y = 0, xinc1 = 0, xinc2 = 0,
|
---|
| 577 | yinc1 = 0, yinc2 = 0, den = 0, num = 0, num_add = 0, num_pixels = 0,
|
---|
| 578 | curpixel = 0;
|
---|
| 579 |
|
---|
| 580 | deltax = ABS(x2 - x1); /* The difference between the x's */
|
---|
| 581 | deltay = ABS(y2 - y1); /* The difference between the y's */
|
---|
| 582 | x = x1; /* Start x off at the first pixel */
|
---|
| 583 | y = y1; /* Start y off at the first pixel */
|
---|
| 584 |
|
---|
| 585 | if(x2 >= x1){ /* The x-values are increasing */
|
---|
| 586 | xinc1 = 1;
|
---|
| 587 | xinc2 = 1;
|
---|
| 588 | }
|
---|
| 589 | else{ /* The x-values are decreasing */
|
---|
| 590 | xinc1 = -1;
|
---|
| 591 | xinc2 = -1;
|
---|
| 592 | }
|
---|
| 593 |
|
---|
| 594 | if(y2 >= y1){ /* The y-values are increasing */
|
---|
| 595 | yinc1 = 1;
|
---|
| 596 | yinc2 = 1;
|
---|
| 597 | }
|
---|
| 598 | else{ /* The y-values are decreasing */
|
---|
| 599 | yinc1 = -1;
|
---|
| 600 | yinc2 = -1;
|
---|
| 601 | }
|
---|
| 602 |
|
---|
| 603 | if(deltax >= deltay){ /* There is at least one x-value for every y-value */
|
---|
| 604 | xinc1 = 0; /* Don't change the x when numerator >= denominator */
|
---|
| 605 | yinc2 = 0; /* Don't change the y for every iteration */
|
---|
| 606 | den = deltax;
|
---|
| 607 | num = deltax / 2;
|
---|
| 608 | num_add = deltay;
|
---|
| 609 | num_pixels = deltax; /* There are more x-values than y-values */
|
---|
| 610 | }
|
---|
| 611 | else{ /* There is at least one y-value for every x-value */
|
---|
| 612 | xinc2 = 0; /* Don't change the x for every iteration */
|
---|
| 613 | yinc1 = 0; /* Don't change the y when numerator >= denominator */
|
---|
| 614 | den = deltay;
|
---|
| 615 | num = deltay / 2;
|
---|
| 616 | num_add = deltax;
|
---|
| 617 | num_pixels = deltay; /* There are more y-values than x-values */
|
---|
| 618 | }
|
---|
| 619 |
|
---|
| 620 | for (curpixel = 0; curpixel <= num_pixels; curpixel++){
|
---|
| 621 | lcd_drawPixel(hlcd, x, y, pDrawProp->TextColor); /* Draw the current pixel */
|
---|
| 622 | num += num_add; /* Increase the numerator by the top of the fraction */
|
---|
| 623 | if(num >= den){ /* Check if numerator >= denominator */
|
---|
| 624 | num -= den; /* Calculate the new numerator value */
|
---|
| 625 | x += xinc1; /* Change the x as appropriate */
|
---|
| 626 | y += yinc1; /* Change the y as appropriate */
|
---|
| 627 | }
|
---|
| 628 | x += xinc2; /* Change the x as appropriate */
|
---|
| 629 | y += yinc2; /* Change the y as appropriate */
|
---|
| 630 | }
|
---|
| 631 | }
|
---|
| 632 |
|
---|
| 633 | /*
|
---|
| 634 | * PLOY-LINE描画
|
---|
| 635 | * param1 pDrawProp: Pointer to Draw Prop
|
---|
| 636 | * param2 Points: Pointer to the points array
|
---|
| 637 | * param3 PointCount: Number of points
|
---|
| 638 | */
|
---|
| 639 | void
|
---|
| 640 | lcd_drawPolygon(LCD_DrawProp_t *pDrawProp, pPoint Points, uint16_t PointCount)
|
---|
| 641 | {
|
---|
| 642 | int16_t x = 0, y = 0;
|
---|
| 643 |
|
---|
| 644 | if(PointCount < 2){
|
---|
| 645 | return;
|
---|
| 646 | }
|
---|
| 647 |
|
---|
| 648 | lcd_drawLine(pDrawProp, Points->X, Points->Y, (Points+PointCount-1)->X, (Points+PointCount-1)->Y);
|
---|
| 649 | while(--PointCount){
|
---|
| 650 | x = Points->X;
|
---|
| 651 | y = Points->Y;
|
---|
| 652 | Points++;
|
---|
| 653 | lcd_drawLine(pDrawProp, x, y, Points->X, Points->Y);
|
---|
| 654 | }
|
---|
| 655 | }
|
---|
| 656 |
|
---|