1353 lines
36 KiB
C
1353 lines
36 KiB
C
/**
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******************************************************************************
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* @file gtxx.c
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* @author fire
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* @version V1.0
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* @date 2015-xx-xx
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* @brief i2c电容屏驱动函数gt9157/gt911/gt5688芯片
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******************************************************************************
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* @attention
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*
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* 实验平台:野火 STM32 H750/H743 开发板
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* 论坛 :http://www.firebbs.cn
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* 淘宝 :http://firestm32.taobao.com
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*
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******************************************************************************
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "./touch/bsp_touch_gtxx.h"
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#include "./touch/bsp_i2c_touch.h"
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#include "./lcd/bsp_lcd.h"
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#include "./touch/palette.h"
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#include "./delay/core_delay.h"
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// 5寸屏GT9157驱动配置
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const uint8_t CTP_CFG_GT9157[] ={
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0x00,0x20,0x03,0xE0,0x01,0x05,0x3C,0x00,0x01,0x08,
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0x28,0x0C,0x50,0x32,0x03,0x05,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x17,0x19,0x1E,0x14,0x8B,0x2B,0x0D,
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0x33,0x35,0x0C,0x08,0x00,0x00,0x00,0x9A,0x03,0x11,
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0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x32,0x00,0x00,
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0x00,0x20,0x58,0x94,0xC5,0x02,0x00,0x00,0x00,0x04,
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0xB0,0x23,0x00,0x93,0x2B,0x00,0x7B,0x35,0x00,0x69,
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0x41,0x00,0x5B,0x4F,0x00,0x5B,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x02,0x04,0x06,0x08,0x0A,0x0C,0x0E,0x10,
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0x12,0x14,0x16,0x18,0x1A,0xFF,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x02,0x04,0x06,0x08,0x0A,0x0C,0x0F,
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0x10,0x12,0x13,0x16,0x18,0x1C,0x1D,0x1E,0x1F,0x20,
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0x21,0x22,0x24,0x26,0xFF,0xFF,0xFF,0xFF,0x00,0x00,
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0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF,0x48,0x01
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};
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// 7寸屏GT911驱动配置，默认使用第一份配置文件，如果屏幕异常，可尝试使用第二份
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#if 1
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const uint8_t CTP_CFG_GT911[] = {
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0x41,0x20,0x03,0xE0,0x01,0x05,0x3D,0x00,0x01,0x08,
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0x1E,0x05,0x3C,0x3C,0x03,0x05,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x1A,0x1C,0x1E,0x14,0x8A,0x2A,0x0C,
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0x2A,0x28,0xEB,0x04,0x00,0x00,0x01,0x61,0x03,0x2C,
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0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x14,0x3C,0x94,0xC5,0x02,0x08,0x00,0x00,0x04,
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0xB7,0x16,0x00,0x9F,0x1B,0x00,0x8B,0x22,0x00,0x7B,
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0x2B,0x00,0x70,0x36,0x00,0x70,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x18,0x16,0x14,0x12,0x10,0x0E,0x0C,0x0A,
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0x08,0x06,0x04,0x02,0xFF,0xFF,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x24,0x22,0x21,0x20,0x1F,0x1E,0x1D,0x1C,
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0x18,0x16,0x13,0x12,0x10,0x0F,0x0A,0x08,0x06,0x04,
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0x02,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x0A,0x00
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};
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#else
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const uint8_t CTP_CFG_GT911[] = {
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0x00,0x20,0x03,0xE0,0x01,0x05,0x0D,0x00,0x01,0x08,
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0x28,0x0F,0x50,0x32,0x03,0x05,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x8A,0x2A,0x0C,
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0x45,0x47,0x0C,0x08,0x00,0x00,0x00,0x02,0x02,0x2D,
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0x00,0x00,0x00,0x00,0x00,0x03,0x64,0x32,0x00,0x00,
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0x00,0x28,0x64,0x94,0xC5,0x02,0x07,0x00,0x00,0x04,
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0x9C,0x2C,0x00,0x8F,0x34,0x00,0x84,0x3F,0x00,0x7C,
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0x4C,0x00,0x77,0x5B,0x00,0x77,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x18,0x16,0x14,0x12,0x10,0x0E,0x0C,0x0A,
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0x08,0x06,0x04,0x02,0xFF,0xFF,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x16,0x18,0x1C,0x1D,0x1E,0x1F,0x20,0x21,
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0x22,0x24,0x13,0x12,0x10,0x0F,0x0A,0x08,0x06,0x04,
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0x02,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x24,0x01
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};
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#endif
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// 4.3寸屏GT5688驱动配置,注意gt5688第一个参数要写成0x97才会更新配置
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const uint8_t CTP_CFG_GT5688[] = {
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0x97,0xE0,0x01,0x10,0x01,0x05,0x0D,0x00,0x01,0x00,
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0x00,0x05,0x5A,0x46,0x53,0x11,0x00,0x00,0x11,0x11,
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0x14,0x14,0x14,0x22,0x0A,0x04,0x00,0x00,0x00,0x00,
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0x00,0x00,0x53,0x00,0x14,0x00,0x00,0x84,0x00,0x00,
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0x3C,0x00,0x00,0x64,0x1E,0x28,0x87,0x27,0x08,0x32,
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0x34,0x05,0x0D,0x20,0x33,0x60,0x11,0x02,0x24,0x00,
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0x00,0x64,0x80,0x80,0x14,0x02,0x00,0x00,0x54,0x89,
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0x68,0x85,0x6D,0x82,0x72,0x80,0x76,0x7D,0x7B,0x7B,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xF0,0x50,0x3C,
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0xFF,0xFF,0x07,0x00,0x00,0x00,0x02,0x14,0x14,0x03,
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0x04,0x00,0x21,0x64,0x0A,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x32,0x20,0x50,0x3C,0x3C,0x00,0x00,0x00,0x00,0x00,
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0x0D,0x06,0x0C,0x05,0x0B,0x04,0x0A,0x03,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF,0x00,0x01,0x02,0x03,0x04,0x05,
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0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x3C,0x00,0x05,0x1E,0x00,0x02,
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0x2A,0x1E,0x19,0x14,0x02,0x00,0x03,0x0A,0x05,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0x86,
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0x22,0x03,0x00,0x00,0x33,0x00,0x0F,0x00,0x00,0x00,
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0x50,0x3C,0x50,0x00,0x00,0x00,0x00,0x2A,0x01
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};
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// 4.3寸屏GT1151QM驱动配置
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const uint8_t CTP_CFG_GT1151QM[] = {
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0x5A,0xE0,0x01,0x10,0x01,0x0A,0x3D,0x14,0xB0,0x80,
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0xCB,0x0D,0x55,0x3C,0x55,0x01,0x00,0x0C,0x06,0x30,
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0x02,0xA7,0x00,0x00,0x00,0x00,0x00,0x38,0x00,0x00,
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0x64,0x00,0x00,0x28,0x28,0x64,0x00,0x00,0x87,0xA5,
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0xD2,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x88,0x28,0x09,0x2C,0x2E,0x28,
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0x07,0x00,0xAA,0x22,0x24,0xF9,0x00,0x1B,0x28,0xB6,
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0x39,0x9E,0x41,0x86,0x48,0x80,0x50,0x00,0x00,0x00,
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0x00,0x50,0x00,0x00,0x00,0x00,0xFF,0x3C,0x28,0xFF,
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0xFF,0x29,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x32,0x5F,0xD0,0x94,0x82,0x1E,
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0x11,0x03,0xB0,0x39,0x9B,0x41,0x8D,0x48,0x7F,0x50,
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0x76,0x57,0x6D,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x1F,0x1D,0x1B,0x1A,0x19,
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0x18,0x17,0x16,0x15,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x06,0x08,0x0C,
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0x12,0x13,0x14,0x15,0x17,0x18,0x19,0x1A,0x1B,0x1C,
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0x1D,0x1E,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,
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0xEB,0x06,0x23,0x23,0x50,0x5D,0x54,0x50,0x3C,0x14,
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0x32,0xFF,0xFF,0x06,0x51,0x00,0x8A,0x02,0x40,0x00,
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0xAA,0x00,0x22,0x22,0x00,0x40,0x5C,0x3A,0x01,
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};
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//5寸屏GT917S驱动配置
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const uint8_t CTP_CFG_GT917S[] ={
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0x97,0x20,0x03,0xE0,0x01,0x0A,0x35,0x04,0x00,0x69,
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0x09,0x0F,0x50,0x32,0x33,0x11,0x00,0x32,0x11,0x11,
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0x28,0x8C,0xAA,0xDC,0x58,0x04,0x00,0x00,0x1E,0x3C,
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0x00,0x00,0x00,0x31,0x00,0x00,0x00,0x00,0x00,0x40,
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0x32,0x00,0x00,0x50,0x38,0x00,0x8D,0x20,0x16,0x4E,
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0x4C,0x7C,0x05,0x28,0x3E,0x28,0x0D,0x43,0x24,0x00,
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0x01,0x39,0x6B,0xC0,0x94,0x84,0x2D,0x00,0x54,0xB0,
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0x41,0x9D,0x49,0x8D,0x52,0x7F,0x5A,0x75,0x62,0x6C,
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0x42,0x50,0x14,0x00,0x00,0x00,0x00,0xF0,0x50,0x3C,
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0x88,0x88,0x27,0x50,0x3C,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x50,0x00,0x02,0x78,
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0x0A,0x50,0xFF,0xE4,0x04,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x3C,0xB0,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x56,0xA2,0x07,0x50,0x1E,
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0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,
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0x0F,0x10,0x12,0x15,0x16,0x17,0x18,0x19,0x1A,0x1B,
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0x1D,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0x1F,0x1E,0x1D,0x1C,0x1B,0x1A,0x19,0x18,
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0x17,0x15,0x14,0x13,0x12,0xFF,0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF,0x00,0x30,0x7F,0x7F,0x7F,0xFF,
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0x54,0x64,0x00,0x80,0x46,0x07,0x50,0x3C,0x32,0x14,
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0x0A,0x64,0x32,0x00,0x00,0x00,0x00,0x11,0x02,0x62,
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0x32,0x03,0x14,0x50,0x0C,0xE2,0x14,0x50,0x00,0x54,
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0x10,0x00,0x32,0xA2,0x07,0x64,0xA4,0xB6,0x01
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};
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// 7寸屏GT615驱动配置
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const uint8_t CTP_CFG_GT615[] = {
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0x6B,0x20,0x03,0xE0,0x01,0x05,0x0D,0x00,0x01,0x08,
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0x28,0x0F,0x50,0x32,0x03,0x05,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x8A,0x2A,0x0C,
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0x45,0x47,0x0C,0x08,0x00,0x00,0x00,0x02,0x02,0x2D,
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0x00,0x00,0x00,0x00,0x00,0x03,0x64,0x32,0x00,0x00,
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0x00,0x28,0x64,0x94,0xC5,0x02,0x07,0x00,0x00,0x04,
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0x9C,0x2C,0x00,0x8F,0x34,0x00,0x84,0x3F,0x00,0x7C,
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0x4C,0x00,0x77,0x5B,0x00,0x77,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x18,0x16,0x14,0x12,0x10,0x0E,0x0C,0x0A,
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0x08,0x06,0x04,0x02,0xFF,0xFF,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x16,0x18,0x1C,0x1D,0x1E,0x1F,0x20,0x21,
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0x22,0x24,0x13,0x12,0x10,0x0F,0x0A,0x08,0x06,0x04,
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0x02,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x19,0x01
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};
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//uint8_t config[GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH]
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// = {GTP_REG_CONFIG_DATA >> 8, GTP_REG_CONFIG_DATA & 0xff};
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/* 触摸IC类型默认为5寸屏的ic */
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TOUCH_IC touchIC = GT9157;
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|
||
const TOUCH_PARAM_TypeDef touch_param[TOUCH_TYPE_NUM] =
|
||
{
|
||
/* GT9157,5寸屏 */
|
||
{
|
||
.max_width = 800,
|
||
.max_height = 480,
|
||
.config_reg_addr = 0x8047,
|
||
},
|
||
/* GT911,7寸屏 */
|
||
{
|
||
.max_width = 800,
|
||
.max_height = 480,
|
||
.config_reg_addr = 0x8047,
|
||
},
|
||
/* GT5688,4.3寸屏 */
|
||
{
|
||
.max_width = 480,
|
||
.max_height = 272,
|
||
.config_reg_addr = 0x8050,
|
||
},
|
||
/* GT917S,5寸屏 */
|
||
{
|
||
.max_width = 800,
|
||
.max_height = 480,
|
||
.config_reg_addr = 0x8050,
|
||
},
|
||
/* GT615,7寸屏 */
|
||
{
|
||
.max_width = 800,
|
||
.max_height = 480,
|
||
.config_reg_addr = 0x8047, //该起始地址与GT911的一样
|
||
},
|
||
|
||
#if TOUCH_GT1151QM_LCD_4_3
|
||
/* GT1151QM,4.3寸屏 */
|
||
{
|
||
.max_width = 480,
|
||
.max_height = 272,
|
||
.config_reg_addr = 0x8050,
|
||
},
|
||
#elif TOUCH_GT1151QM_LCD_5
|
||
/* GT1151QM,5寸屏 */
|
||
{
|
||
.max_width = 800,
|
||
.max_height = 480,
|
||
.config_reg_addr = 0x8050,
|
||
},
|
||
#endif
|
||
};
|
||
|
||
static int8_t GTP_I2C_Test(void);
|
||
//static void GT91xx_Config_Read_Proc(void);
|
||
|
||
static void Delay(__IO uint32_t nCount) //简单的延时函数
|
||
{
|
||
for(; nCount != 0; nCount--);
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief 使用IIC进行数据传输
|
||
* @param
|
||
* @arg i2c_msg:数据传输结构体
|
||
* @arg num:数据传输结构体的个数
|
||
* @retval 正常完成的传输结构个数，若不正常，返回0xff
|
||
*/
|
||
static int I2C_Transfer( struct i2c_msg *msgs,int num)
|
||
{
|
||
int im = 0;
|
||
int ret = 0;
|
||
|
||
GTP_DEBUG_FUNC();
|
||
|
||
for (im = 0; ret == 0 && im != num; im++)
|
||
{
|
||
if ((msgs[im].flags&I2C_M_RD)) //根据flag判断是读数据还是写数据
|
||
{
|
||
ret = I2C_ReadBytes(msgs[im].addr, msgs[im].buf, msgs[im].len); //IIC读取数据
|
||
} else
|
||
{
|
||
ret = I2C_WriteBytes(msgs[im].addr, msgs[im].buf, msgs[im].len); //IIC写入数据
|
||
}
|
||
}
|
||
|
||
if(ret)
|
||
return ret;
|
||
|
||
return im; //正常完成的传输结构个数
|
||
}
|
||
|
||
/**
|
||
* @brief 从IIC设备中读取数据
|
||
* @param
|
||
* @arg client_addr:设备地址
|
||
* @arg buf[0~1]: 读取数据寄存器的起始地址
|
||
* @arg buf[2~len-1]: 存储读出来数据的缓冲buffer
|
||
* @arg len: GTP_ADDR_LENGTH + read bytes count（寄存器地址长度+读取的数据字节数）
|
||
* @retval i2c_msgs传输结构体的个数，2为成功，其它为失败
|
||
*/
|
||
static int32_t GTP_I2C_Read(uint8_t client_addr, uint8_t *buf, int32_t len)
|
||
{
|
||
struct i2c_msg msgs[2];
|
||
int32_t ret=-1;
|
||
int32_t retries = 0;
|
||
|
||
GTP_DEBUG_FUNC();
|
||
/*一个读数据的过程可以分为两个传输过程:
|
||
* 1. IIC 写入 要读取的寄存器地址
|
||
* 2. IIC 读取 数据
|
||
* */
|
||
|
||
msgs[0].flags = !I2C_M_RD; //写入
|
||
msgs[0].addr = client_addr; //IIC设备地址
|
||
msgs[0].len = GTP_ADDR_LENGTH; //寄存器地址为2字节(即写入两字节的数据)
|
||
msgs[0].buf = &buf[0]; //buf[0~1]存储的是要读取的寄存器地址
|
||
|
||
msgs[1].flags = I2C_M_RD; //读取
|
||
msgs[1].addr = client_addr; //IIC设备地址
|
||
msgs[1].len = len - GTP_ADDR_LENGTH; //要读取的数据长度
|
||
msgs[1].buf = &buf[GTP_ADDR_LENGTH]; //buf[GTP_ADDR_LENGTH]之后的缓冲区存储读出的数据
|
||
|
||
while(retries < 5)
|
||
{
|
||
ret = I2C_Transfer( msgs, 2); //调用IIC数据传输过程函数，有2个传输过程
|
||
if(ret == 2)break;
|
||
retries++;
|
||
}
|
||
if((retries >= 5))
|
||
{
|
||
GTP_ERROR("I2C Read: 0x%04X, %d bytes failed, errcode: %d! Process reset.", (((uint16_t)(buf[0] << 8)) | buf[1]), len-2, ret);
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
|
||
|
||
/**
|
||
* @brief 向IIC设备写入数据
|
||
* @param
|
||
* @arg client_addr:设备地址
|
||
* @arg buf[0~1]: 要写入的数据寄存器的起始地址
|
||
* @arg buf[2~len-1]: 要写入的数据
|
||
* @arg len: GTP_ADDR_LENGTH + write bytes count（寄存器地址长度+写入的数据字节数）
|
||
* @retval i2c_msgs传输结构体的个数，1为成功，其它为失败
|
||
*/
|
||
static int32_t GTP_I2C_Write(uint8_t client_addr,uint8_t *buf,int32_t len)
|
||
{
|
||
struct i2c_msg msg;
|
||
int32_t ret = -1;
|
||
int32_t retries = 0;
|
||
|
||
GTP_DEBUG_FUNC();
|
||
/*一个写数据的过程只需要一个传输过程:
|
||
* 1. IIC连续 写入 数据寄存器地址及数据
|
||
* */
|
||
msg.flags = !I2C_M_RD; //写入
|
||
msg.addr = client_addr; //从设备地址
|
||
msg.len = len; //长度直接等于(寄存器地址长度+写入的数据字节数)
|
||
msg.buf = buf; //直接连续写入缓冲区中的数据(包括了寄存器地址)
|
||
|
||
while(retries < 5)
|
||
{
|
||
ret = I2C_Transfer(&msg, 1); //调用IIC数据传输过程函数，1个传输过程
|
||
if (ret == 1)break;
|
||
retries++;
|
||
}
|
||
if((retries >= 5))
|
||
{
|
||
|
||
GTP_ERROR("I2C Write: 0x%04X, %d bytes failed, errcode: %d! Process reset.", (((uint16_t)(buf[0] << 8)) | buf[1]), len-2, ret);
|
||
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
|
||
|
||
/**
|
||
* @brief 使用IIC读取再次数据，检验是否正常
|
||
* @param
|
||
* @arg client:设备地址
|
||
* @arg addr: 寄存器地址
|
||
* @arg rxbuf: 存储读出的数据
|
||
* @arg len: 读取的字节数
|
||
* @retval
|
||
* @arg FAIL
|
||
* @arg SUCCESS
|
||
*/
|
||
int32_t GTP_I2C_Read_dbl_check(uint8_t client_addr, uint16_t addr, uint8_t *rxbuf, int len)
|
||
{
|
||
uint8_t buf[16] = {0};
|
||
uint8_t confirm_buf[16] = {0};
|
||
uint8_t retry = 0;
|
||
|
||
GTP_DEBUG_FUNC();
|
||
|
||
while (retry++ < 3)
|
||
{
|
||
memset(buf, 0xAA, 16);
|
||
buf[0] = (uint8_t)(addr >> 8);
|
||
buf[1] = (uint8_t)(addr & 0xFF);
|
||
GTP_I2C_Read(client_addr, buf, len + 2);
|
||
|
||
memset(confirm_buf, 0xAB, 16);
|
||
confirm_buf[0] = (uint8_t)(addr >> 8);
|
||
confirm_buf[1] = (uint8_t)(addr & 0xFF);
|
||
GTP_I2C_Read(client_addr, confirm_buf, len + 2);
|
||
|
||
|
||
if (!memcmp(buf, confirm_buf, len+2))
|
||
{
|
||
memcpy(rxbuf, confirm_buf+2, len);
|
||
return SUCCESS;
|
||
}
|
||
}
|
||
GTP_ERROR("I2C read 0x%04X, %d bytes, double check failed!", addr, len);
|
||
return FAIL;
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief 关闭GT91xx中断
|
||
* @param 无
|
||
* @retval 无
|
||
*/
|
||
void GTP_IRQ_Disable(void)
|
||
{
|
||
|
||
GTP_DEBUG_FUNC();
|
||
|
||
I2C_GTP_IRQDisable();
|
||
}
|
||
|
||
/**
|
||
* @brief 使能GT91xx中断
|
||
* @param 无
|
||
* @retval 无
|
||
*/
|
||
void GTP_IRQ_Enable(void)
|
||
{
|
||
GTP_DEBUG_FUNC();
|
||
I2C_GTP_IRQEnable();
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief 用于处理或报告触屏检测到按下
|
||
* @param
|
||
* @arg id: 触摸顺序trackID
|
||
* @arg x: 触摸的 x 坐标
|
||
* @arg y: 触摸的 y 坐标
|
||
* @arg w: 触摸的 大小
|
||
* @retval 无
|
||
*/
|
||
/*用于记录连续触摸时(长按)的上一次触摸位置，负数值表示上一次无触摸按下*/
|
||
static int16_t pre_x[GTP_MAX_TOUCH] ={-1,-1,-1,-1,-1};
|
||
static int16_t pre_y[GTP_MAX_TOUCH] ={-1,-1,-1,-1,-1};
|
||
|
||
static void GTP_Touch_Down(int32_t id,int32_t x,int32_t y,int32_t w)
|
||
{
|
||
|
||
GTP_DEBUG_FUNC();
|
||
|
||
/*取x、y初始值大于屏幕像素值*/
|
||
GTP_DEBUG("ID:%d, X:%d, Y:%d, W:%d", id, x, y, w);
|
||
|
||
/* 处理触摸按钮，用于触摸画板 */
|
||
Touch_Button_Down(x,y);
|
||
|
||
|
||
/*处理描绘轨迹，用于触摸画板 */
|
||
Draw_Trail(pre_x[id],pre_y[id],x,y,&brush);
|
||
|
||
/************************************/
|
||
/*在此处添加自己的触摸点按下时处理过程即可*/
|
||
/* (x,y) 即为最新的触摸点 *************/
|
||
/************************************/
|
||
|
||
/*prex,prey数组存储上一次触摸的位置，id为轨迹编号(多点触控时有多轨迹)*/
|
||
pre_x[id] = x; pre_y[id] =y;
|
||
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief 用于处理或报告触屏释放
|
||
* @param 释放点的id号
|
||
* @retval 无
|
||
*/
|
||
static void GTP_Touch_Up( int32_t id)
|
||
{
|
||
|
||
|
||
/*处理触摸释放,用于触摸画板*/
|
||
Touch_Button_Up(pre_x[id],pre_y[id]);
|
||
|
||
/*****************************************/
|
||
/*在此处添加自己的触摸点释放时的处理过程即可*/
|
||
/* pre_x[id],pre_y[id] 即为最新的释放点 ****/
|
||
/*******************************************/
|
||
/***id为轨迹编号(多点触控时有多轨迹)********/
|
||
|
||
|
||
/*触笔释放，把pre xy 重置为负*/
|
||
pre_x[id] = -1;
|
||
pre_y[id] = -1;
|
||
|
||
GTP_DEBUG("Touch id[%2d] release!", id);
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief 触屏处理函数，轮询或者在触摸中断调用
|
||
* @param 无
|
||
* @retval 无
|
||
*/
|
||
static void Goodix_TS_Work_Func(void)
|
||
{
|
||
uint8_t end_cmd[3] = {GTP_READ_COOR_ADDR >> 8, GTP_READ_COOR_ADDR & 0xFF, 0};
|
||
uint8_t point_data[2 + 1 + 8 * GTP_MAX_TOUCH + 1]={GTP_READ_COOR_ADDR >> 8, GTP_READ_COOR_ADDR & 0xFF};
|
||
uint8_t touch_num = 0;
|
||
uint8_t finger = 0;
|
||
static uint16_t pre_touch = 0;
|
||
static uint8_t pre_id[GTP_MAX_TOUCH] = {0};
|
||
|
||
uint8_t client_addr=GTP_ADDRESS;
|
||
uint8_t* coor_data = NULL;
|
||
int32_t input_x = 0;
|
||
int32_t input_y = 0;
|
||
int32_t input_w = 0;
|
||
uint8_t id = 0;
|
||
|
||
int32_t i = 0;
|
||
int32_t ret = -1;
|
||
|
||
GTP_DEBUG_FUNC();
|
||
|
||
ret = GTP_I2C_Read(client_addr, point_data, 12);//10字节寄存器加2字节地址
|
||
if (ret < 0)
|
||
{
|
||
GTP_ERROR("I2C transfer error. errno:%d\n ", ret);
|
||
|
||
return;
|
||
}
|
||
|
||
finger = point_data[GTP_ADDR_LENGTH];//状态寄存器数据
|
||
|
||
if (finger == 0x00) //没有数据，退出
|
||
{
|
||
return;
|
||
}
|
||
|
||
if((finger & 0x80) == 0)//判断buffer status位
|
||
{
|
||
goto exit_work_func;//坐标未就绪，数据无效
|
||
}
|
||
|
||
touch_num = finger & 0x0f;//坐标点数
|
||
if (touch_num > GTP_MAX_TOUCH)
|
||
{
|
||
goto exit_work_func;//大于最大支持点数，错误退出
|
||
}
|
||
|
||
if (touch_num > 1)//不止一个点
|
||
{
|
||
uint8_t buf[8 * GTP_MAX_TOUCH] = {(GTP_READ_COOR_ADDR + 10) >> 8, (GTP_READ_COOR_ADDR + 10) & 0xff};
|
||
|
||
ret = GTP_I2C_Read(client_addr, buf, 2 + 8 * (touch_num - 1));
|
||
memcpy(&point_data[12], &buf[2], 8 * (touch_num - 1)); //复制其余点数的数据到point_data
|
||
}
|
||
|
||
|
||
|
||
if (pre_touch>touch_num) //pre_touch>touch_num,表示有的点释放了
|
||
{
|
||
for (i = 0; i < pre_touch; i++) //一个点一个点处理
|
||
{
|
||
uint8_t j;
|
||
for(j=0; j<touch_num; j++)
|
||
{
|
||
coor_data = &point_data[j * 8 + 3];
|
||
id = coor_data[0] & 0x0F; //track id
|
||
if(pre_id[i] == id)
|
||
break;
|
||
|
||
if(j >= touch_num-1) //遍历当前所有id都找不到pre_id[i]，表示已释放
|
||
{
|
||
GTP_Touch_Up( pre_id[i]);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
if (touch_num)
|
||
{
|
||
for (i = 0; i < touch_num; i++) //一个点一个点处理
|
||
{
|
||
coor_data = &point_data[i * 8 + 3];
|
||
|
||
id = coor_data[0] & 0x0F; //track id
|
||
pre_id[i] = id;
|
||
|
||
input_x = coor_data[1] | (coor_data[2] << 8); //x坐标
|
||
input_y = coor_data[3] | (coor_data[4] << 8); //y坐标
|
||
input_w = coor_data[5] | (coor_data[6] << 8); //size
|
||
|
||
{
|
||
GTP_Touch_Down( id, input_x, input_y, input_w);//数据处理
|
||
}
|
||
}
|
||
}
|
||
else if (pre_touch) //touch_ num=0 且pre_touch！=0
|
||
{
|
||
for(i=0;i<pre_touch;i++)
|
||
{
|
||
GTP_Touch_Up(pre_id[i]);
|
||
}
|
||
}
|
||
|
||
|
||
pre_touch = touch_num;
|
||
|
||
|
||
exit_work_func:
|
||
{
|
||
ret = GTP_I2C_Write(client_addr, end_cmd, 3);
|
||
if (ret < 0)
|
||
{
|
||
GTP_INFO("I2C write end_cmd error!");
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief 给触屏芯片重新复位
|
||
* @param 无
|
||
* @retval 无
|
||
*/
|
||
int8_t GTP_Reset_Guitar(void)
|
||
{
|
||
GTP_DEBUG_FUNC();
|
||
#if 1
|
||
I2C_ResetChip();
|
||
return 0;
|
||
#else //软件复位
|
||
int8_t ret = -1;
|
||
int8_t retry = 0;
|
||
uint8_t reset_command[3]={(uint8_t)GTP_REG_COMMAND>>8,(uint8_t)GTP_REG_COMMAND&0xFF,2};
|
||
|
||
//写入复位命令
|
||
while(retry++ < 5)
|
||
{
|
||
ret = GTP_I2C_Write(GTP_ADDRESS, reset_command, 3);
|
||
if (ret > 0)
|
||
{
|
||
GTP_INFO("GTP enter sleep!");
|
||
|
||
return ret;
|
||
}
|
||
|
||
}
|
||
GTP_ERROR("GTP send sleep cmd failed.");
|
||
return ret;
|
||
#endif
|
||
|
||
}
|
||
|
||
|
||
|
||
/**
|
||
* @brief 进入睡眠模式
|
||
* @param 无
|
||
* @retval 1为成功，其它为失败
|
||
*/
|
||
//int8_t GTP_Enter_Sleep(void)
|
||
//{
|
||
// int8_t ret = -1;
|
||
// int8_t retry = 0;
|
||
// uint8_t reset_comment[3] = {(uint8_t)(GTP_REG_COMMENT >> 8), (uint8_t)GTP_REG_COMMENT&0xFF, 5};//5
|
||
//
|
||
// GTP_DEBUG_FUNC();
|
||
//
|
||
// while(retry++ < 5)
|
||
// {
|
||
// ret = GTP_I2C_Write(GTP_ADDRESS, reset_comment, 3);
|
||
// if (ret > 0)
|
||
// {
|
||
// GTP_INFO("GTP enter sleep!");
|
||
//
|
||
// return ret;
|
||
// }
|
||
//
|
||
// }
|
||
// GTP_ERROR("GTP send sleep cmd failed.");
|
||
// return ret;
|
||
//}
|
||
|
||
|
||
int8_t GTP_Send_Command(uint8_t command)
|
||
{
|
||
int8_t ret = -1;
|
||
int8_t retry = 0;
|
||
uint8_t command_buf[3] = {(uint8_t)(GTP_REG_COMMAND >> 8), (uint8_t)GTP_REG_COMMAND&0xFF, GTP_COMMAND_READSTATUS};
|
||
|
||
GTP_DEBUG_FUNC();
|
||
|
||
while(retry++ < 5)
|
||
{
|
||
ret = GTP_I2C_Write(GTP_ADDRESS, command_buf, 3);
|
||
if (ret > 0)
|
||
{
|
||
GTP_INFO("send command success!");
|
||
|
||
return ret;
|
||
}
|
||
|
||
}
|
||
GTP_ERROR("send command fail!");
|
||
return ret;
|
||
}
|
||
|
||
/**
|
||
* @brief 唤醒触摸屏
|
||
* @param 无
|
||
* @retval 0为成功，其它为失败
|
||
*/
|
||
int8_t GTP_WakeUp_Sleep(void)
|
||
{
|
||
uint8_t retry = 0;
|
||
int8_t ret = -1;
|
||
|
||
GTP_DEBUG_FUNC();
|
||
|
||
while(retry++ < 10)
|
||
{
|
||
ret = GTP_I2C_Test();
|
||
if (ret > 0)
|
||
{
|
||
GTP_INFO("GTP wakeup sleep.");
|
||
return ret;
|
||
}
|
||
GTP_Reset_Guitar();
|
||
}
|
||
|
||
GTP_ERROR("GTP wakeup sleep failed.");
|
||
return ret;
|
||
}
|
||
|
||
static int32_t GTP_Get_Info(void)
|
||
{
|
||
uint8_t opr_buf[10] = {0};
|
||
int32_t ret = 0;
|
||
|
||
uint16_t abs_x_max = GTP_MAX_WIDTH;
|
||
uint16_t abs_y_max = GTP_MAX_HEIGHT;
|
||
uint8_t int_trigger_type = GTP_INT_TRIGGER;
|
||
|
||
opr_buf[0] = (uint8_t)((GTP_REG_CONFIG_DATA+1) >> 8);
|
||
opr_buf[1] = (uint8_t)((GTP_REG_CONFIG_DATA+1) & 0xFF);
|
||
|
||
ret = GTP_I2C_Read(GTP_ADDRESS, opr_buf, 10);
|
||
if (ret < 0)
|
||
{
|
||
return FAIL;
|
||
}
|
||
|
||
abs_x_max = (opr_buf[3] << 8) + opr_buf[2];
|
||
abs_y_max = (opr_buf[5] << 8) + opr_buf[4];
|
||
GTP_DEBUG("RES");
|
||
GTP_DEBUG_ARRAY(&opr_buf[0],10);
|
||
|
||
opr_buf[0] = (uint8_t)((GTP_REG_CONFIG_DATA+6) >> 8);
|
||
opr_buf[1] = (uint8_t)((GTP_REG_CONFIG_DATA+6) & 0xFF);
|
||
|
||
ret = GTP_I2C_Read(GTP_ADDRESS, opr_buf, 3);
|
||
if (ret < 0)
|
||
{
|
||
return FAIL;
|
||
}
|
||
int_trigger_type = opr_buf[2] & 0x03;
|
||
|
||
GTP_INFO("X_MAX = %d, Y_MAX = %d, TRIGGER = 0x%02x",
|
||
abs_x_max,abs_y_max,int_trigger_type);
|
||
|
||
return SUCCESS;
|
||
}
|
||
|
||
/*******************************************************
|
||
Function:
|
||
Initialize gtp.
|
||
Input:
|
||
ts: goodix private data
|
||
Output:
|
||
Executive outcomes.
|
||
0: succeed, otherwise: failed
|
||
*******************************************************/
|
||
int32_t GTP_Init_Panel(void)
|
||
{
|
||
int32_t ret = -1;
|
||
|
||
int32_t i = 0;
|
||
uint16_t check_sum = 0;
|
||
int32_t retry = 0;
|
||
|
||
const uint8_t* cfg_info;
|
||
uint8_t cfg_info_len ;
|
||
uint8_t* config;
|
||
|
||
uint8_t cfg_num =0 ; //需要配置的寄存器个数
|
||
|
||
GTP_DEBUG_FUNC();
|
||
|
||
|
||
I2C_Touch_Init();
|
||
|
||
ret = GTP_I2C_Test();
|
||
if (ret < 0)
|
||
{
|
||
GTP_ERROR("I2C communication ERROR!");
|
||
return ret;
|
||
}
|
||
HAL_Delay(100);
|
||
//获取触摸IC的型号
|
||
GTP_Read_Version();
|
||
|
||
#if UPDATE_CONFIG
|
||
|
||
config = (uint8_t *)malloc (GTP_CONFIG_MAX_LENGTH + GTP_ADDR_LENGTH);
|
||
|
||
config[0] = GTP_REG_CONFIG_DATA >> 8;
|
||
config[1] = GTP_REG_CONFIG_DATA & 0xff;
|
||
|
||
//根据IC的型号指向不同的配置
|
||
if(touchIC == GT9157)
|
||
{
|
||
cfg_info = CTP_CFG_GT9157; //指向寄存器配置
|
||
cfg_info_len = CFG_GROUP_LEN(CTP_CFG_GT9157);//计算配置表的大小
|
||
}
|
||
else if(touchIC == GT911)
|
||
{
|
||
cfg_info = CTP_CFG_GT911;//指向寄存器配置
|
||
cfg_info_len = CFG_GROUP_LEN(CTP_CFG_GT911) ;//计算配置表的大小
|
||
}
|
||
else if(touchIC == GT5688)
|
||
{
|
||
cfg_info = CTP_CFG_GT5688; //指向寄存器配置
|
||
cfg_info_len = CFG_GROUP_LEN(CTP_CFG_GT5688);//计算配置表的大小
|
||
}
|
||
else if(touchIC == GT917S)
|
||
{
|
||
cfg_info = CTP_CFG_GT917S; //指向寄存器配置
|
||
cfg_info_len = CFG_GROUP_LEN(CTP_CFG_GT917S);//计算配置表的大小
|
||
}
|
||
else if(touchIC == GT615)
|
||
{
|
||
cfg_info = CTP_CFG_GT615; //指向寄存器配置
|
||
cfg_info_len = CFG_GROUP_LEN(CTP_CFG_GT615);//计算配置表的大小
|
||
}
|
||
else if(touchIC == GT1151QM)
|
||
{
|
||
cfg_info = CTP_CFG_GT1151QM; //指向寄存器配置
|
||
cfg_info_len = CFG_GROUP_LEN(CTP_CFG_GT1151QM);//计算配置表的大小
|
||
}
|
||
|
||
|
||
memset(&config[GTP_ADDR_LENGTH], 0, GTP_CONFIG_MAX_LENGTH);
|
||
memcpy(&config[GTP_ADDR_LENGTH], cfg_info, cfg_info_len);
|
||
|
||
cfg_num = cfg_info_len;
|
||
|
||
GTP_DEBUG("cfg_info_len = %d ",cfg_info_len);
|
||
GTP_DEBUG("cfg_num = %d ",cfg_num);
|
||
GTP_DEBUG_ARRAY(config,6);
|
||
|
||
/*根据LCD的扫描方向设置分辨率*/
|
||
config[GTP_ADDR_LENGTH+1] = LCD_PIXEL_WIDTH & 0xFF;
|
||
config[GTP_ADDR_LENGTH+2] = LCD_PIXEL_WIDTH >> 8;
|
||
config[GTP_ADDR_LENGTH+3] = LCD_PIXEL_HEIGHT & 0xFF;
|
||
config[GTP_ADDR_LENGTH+4] = LCD_PIXEL_HEIGHT >> 8;
|
||
|
||
/*根据模式设置X2Y交换*/
|
||
|
||
//不交换
|
||
if(touchIC == GT917S)
|
||
{
|
||
config[GTP_ADDR_LENGTH+6] &= ~(X2Y_LOC);
|
||
}
|
||
|
||
//交换
|
||
if(touchIC == GT911 || touchIC == GT9157 || touchIC == GT5688)
|
||
{
|
||
config[GTP_ADDR_LENGTH+6] |= (X2Y_LOC);
|
||
}
|
||
|
||
//计算要写入checksum寄存器的值
|
||
check_sum = 0;
|
||
|
||
/* 计算check sum校验值 */
|
||
if(touchIC == GT911 || touchIC == GT615)
|
||
{
|
||
for (i = GTP_ADDR_LENGTH; i < cfg_num; i++)
|
||
{
|
||
check_sum += (config[i] & 0xFF);
|
||
}
|
||
config[ cfg_num] = (~(check_sum & 0xFF)) + 1; //checksum
|
||
config[ cfg_num+1] = 1; //refresh 配置更新标志
|
||
}
|
||
else if(touchIC == GT9157)
|
||
{
|
||
for (i = GTP_ADDR_LENGTH; i < cfg_num+GTP_ADDR_LENGTH; i++)
|
||
{
|
||
check_sum += (config[i] & 0xFF);
|
||
}
|
||
config[ cfg_num+GTP_ADDR_LENGTH] = (~(check_sum & 0xFF)) + 1; //checksum
|
||
config[ cfg_num+GTP_ADDR_LENGTH+1] = 1; //refresh 配置更新标志
|
||
}
|
||
else if(touchIC == GT5688 || touchIC == GT917S || touchIC == GT1151QM)
|
||
{
|
||
for (i = GTP_ADDR_LENGTH; i < (cfg_num+GTP_ADDR_LENGTH -3); i += 2)
|
||
{
|
||
check_sum += (config[i] << 8) + config[i + 1];
|
||
}
|
||
|
||
check_sum = 0 - check_sum;
|
||
GTP_DEBUG("Config checksum: 0x%04X", check_sum);
|
||
//更新checksum
|
||
config[(cfg_num+GTP_ADDR_LENGTH -3)] = (check_sum >> 8) & 0xFF;
|
||
config[(cfg_num+GTP_ADDR_LENGTH -2)] = check_sum & 0xFF;
|
||
config[(cfg_num+GTP_ADDR_LENGTH -1)] = 0x01;
|
||
}
|
||
|
||
//写入配置信息
|
||
for (retry = 0; retry < 5; retry++)
|
||
{
|
||
ret = GTP_I2C_Write(GTP_ADDRESS, config , cfg_num + GTP_ADDR_LENGTH+2);
|
||
if (ret > 0)
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
Delay(0xfffff); //延迟等待芯片更新
|
||
|
||
|
||
|
||
#if 1 //读出写入的数据，检查是否正常写入
|
||
//检验读出的数据与写入的是否相同
|
||
{
|
||
uint16_t i;
|
||
uint8_t buf[300];
|
||
buf[0] = config[0];
|
||
buf[1] =config[1]; //寄存器地址
|
||
|
||
GTP_DEBUG_FUNC();
|
||
|
||
ret = GTP_I2C_Read(GTP_ADDRESS, buf, sizeof(buf));
|
||
|
||
GTP_DEBUG("read ");
|
||
|
||
GTP_DEBUG_ARRAY(buf,cfg_num);
|
||
|
||
GTP_DEBUG("write ");
|
||
|
||
GTP_DEBUG_ARRAY(config,cfg_num);
|
||
|
||
//不对比版本号
|
||
for(i=3;i<cfg_num+GTP_ADDR_LENGTH-3;i++)
|
||
{
|
||
|
||
if(config[i] != buf[i])
|
||
{
|
||
GTP_ERROR("Config fail ! i = %d ",i);
|
||
free(config);
|
||
return -1;
|
||
}
|
||
}
|
||
if(i==cfg_num+GTP_ADDR_LENGTH-3)
|
||
GTP_DEBUG("Config success ! i = %d ",i);
|
||
}
|
||
#endif
|
||
|
||
free(config);
|
||
|
||
#endif
|
||
/* emXGUI示例中不使能中断 */
|
||
I2C_GTP_IRQEnable();
|
||
|
||
GTP_Get_Info();
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
/*******************************************************
|
||
Function:
|
||
Read chip version.
|
||
Input:
|
||
client: i2c device
|
||
version: buffer to keep ic firmware version
|
||
Output:
|
||
read operation return.
|
||
2: succeed, otherwise: failed
|
||
*******************************************************/
|
||
int32_t GTP_Read_Version(void)
|
||
{
|
||
int32_t ret = -1;
|
||
uint8_t buf[8] = {GTP_REG_VERSION >> 8, GTP_REG_VERSION & 0xff}; //寄存器地址
|
||
|
||
GTP_DEBUG_FUNC();
|
||
|
||
ret = GTP_I2C_Read(GTP_ADDRESS, buf, sizeof(buf));
|
||
if (ret < 0)
|
||
{
|
||
GTP_ERROR("GTP read version failed");
|
||
return ret;
|
||
}
|
||
|
||
#ifdef LCD_TOUCH_IC_GT1151QM
|
||
//GT1151QM芯片
|
||
if (buf[2]=='1' && buf[3]=='1' && buf[4]=='5')
|
||
{
|
||
GTP_INFO("IC Version: %c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[7], buf[6]);
|
||
touchIC = GT1151QM;
|
||
|
||
#if TOUCH_GT1151QM_LCD_4_3
|
||
cur_lcd = INCH_4_3; //设置当前的液晶屏类型
|
||
#elif TOUCH_GT1151QM_LCD_5
|
||
cur_lcd = INCH_5; //设置当前的液晶屏类型
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
GTP_INFO("Unknown IC Version: %c%c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[5], buf[7], buf[6]);
|
||
}
|
||
#else
|
||
|
||
if (buf[4] == '1')
|
||
{
|
||
//GT911芯片
|
||
if(buf[2] == '9' && buf[3] == '1' && buf[4] == '1')
|
||
{
|
||
GTP_INFO("IC1 Version: %c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[7], buf[6]);
|
||
|
||
touchIC = GT911;
|
||
/* 设置当前的液晶屏类型 */
|
||
cur_lcd = INCH_7;
|
||
}
|
||
//GT9157芯片
|
||
else
|
||
GTP_INFO("Unknown IC Version: %c%c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[5], buf[7], buf[6]);
|
||
}
|
||
else if (buf[4] == '5')
|
||
{
|
||
if( buf[2] == '9' && buf[3] == '1' && buf[4] == '5' && buf[5] == '7')
|
||
{
|
||
GTP_INFO("IC2 Version: %c%c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[5], buf[7], buf[6]);
|
||
|
||
touchIC = GT9157;
|
||
/* 设置当前的液晶屏类型 */
|
||
cur_lcd = INCH_5;
|
||
}
|
||
//GT615芯片
|
||
else if( buf[2] == '6' && buf[3] == '1' && buf[4] == '5')
|
||
{
|
||
GTP_INFO("IC3 Version: %c%c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[5], buf[7], buf[6]);
|
||
|
||
touchIC = GT615;
|
||
/* 设置当前的液晶屏类型 */
|
||
cur_lcd = INCH_7;
|
||
}
|
||
else
|
||
GTP_INFO("Unknown IC Version: %c%c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[5], buf[7], buf[6]);
|
||
|
||
}
|
||
else if (buf[4] == '8')
|
||
{
|
||
//GT5688芯片
|
||
if(buf[2] == '5' && buf[3] == '6' && buf[4] == '8' && buf[5] == '8')
|
||
{
|
||
GTP_INFO("IC4 Version: %c%c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[5], buf[7], buf[6]);
|
||
|
||
touchIC = GT5688;
|
||
/* 设置当前的液晶屏类型 */
|
||
cur_lcd = INCH_4_3;
|
||
}
|
||
else
|
||
GTP_INFO("Unknown IC Version: %c%c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[5], buf[7], buf[6]);
|
||
|
||
}
|
||
else if(buf[4] == '7')
|
||
{
|
||
//GT917S芯片
|
||
GTP_INFO("IC5 Version: %c%c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[5], buf[7], buf[6]);
|
||
|
||
if(buf[2] == '9' && buf[3] == '1' && buf[4] == '7' && buf[5] == 'S')
|
||
{
|
||
touchIC = GT917S;
|
||
/* 设置当前的液晶屏类型 */
|
||
cur_lcd = INCH_5;
|
||
}
|
||
}
|
||
else
|
||
GTP_INFO("Unknown IC Version: %c%c%c%c_%02x%02x", buf[2], buf[3], buf[4], buf[5], buf[7], buf[6]);
|
||
|
||
#endif
|
||
|
||
return ret;
|
||
}
|
||
|
||
/*******************************************************
|
||
Function:
|
||
I2c test Function.
|
||
Input:
|
||
client:i2c client.
|
||
Output:
|
||
Executive outcomes.
|
||
2: succeed, otherwise failed.
|
||
*******************************************************/
|
||
static int8_t GTP_I2C_Test( void)
|
||
{
|
||
uint8_t test[3] = {GTP_REG_CONFIG_DATA >> 8, GTP_REG_CONFIG_DATA & 0xff};
|
||
uint8_t retry = 0;
|
||
int8_t ret = -1;
|
||
|
||
GTP_DEBUG_FUNC();
|
||
|
||
while(retry++ < 5)
|
||
{
|
||
ret = GTP_I2C_Read(GTP_ADDRESS, test, 3);
|
||
if (ret > 0)
|
||
{
|
||
return ret;
|
||
}
|
||
GTP_ERROR("GTP i2c test failed time %d.",retry);
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
//检测到触摸中断时调用，
|
||
void GTP_TouchProcess(void)
|
||
{
|
||
GTP_DEBUG_FUNC();
|
||
Goodix_TS_Work_Func();
|
||
|
||
}
|
||
|
||
#if 0//没有到的测试函数
|
||
/*******************************************************
|
||
Function:
|
||
Request gpio(INT & RST) ports.
|
||
Input:
|
||
ts: private data.
|
||
Output:
|
||
Executive outcomes.
|
||
>= 0: succeed, < 0: failed
|
||
*******************************************************/
|
||
static int8_t GTP_Request_IO_Port(struct goodix_ts_data *ts)
|
||
{
|
||
}
|
||
|
||
/*******************************************************
|
||
Function:
|
||
Request interrupt.
|
||
Input:
|
||
ts: private data.
|
||
Output:
|
||
Executive outcomes.
|
||
0: succeed, -1: failed.
|
||
*******************************************************/
|
||
static int8_t GTP_Request_IRQ(struct goodix_ts_data *ts)
|
||
{
|
||
}
|
||
|
||
//输出要初始化的数据及芯片中的真实数据
|
||
static void GT91xx_Config_Read_Proc(void)
|
||
{
|
||
char temp_data[GTP_CONFIG_MAX_LENGTH + 2] = {0x80, 0x47};
|
||
int i;
|
||
|
||
GTP_INFO("==== GT9XX config init value====\n");
|
||
|
||
for (i = 0 ; i < GTP_CONFIG_MAX_LENGTH ; i++)
|
||
{
|
||
printf("reg0x%x = 0x%02X ", i+0x8047, config[i + 2]);
|
||
|
||
if (i % 10 == 9)
|
||
printf("\n");
|
||
}
|
||
|
||
|
||
GTP_INFO("==== GT9XX config real value====\n");
|
||
GTP_I2C_Read(GTP_ADDRESS, (uint8_t *)temp_data, GTP_CONFIG_MAX_LENGTH + 2);
|
||
for (i = 0 ; i < GTP_CONFIG_MAX_LENGTH ; i++)
|
||
{
|
||
printf("reg0x%x = 0x%02X ", i+0x8047,temp_data[i+2]);
|
||
|
||
if (i % 10 == 9)
|
||
printf("\n");
|
||
}
|
||
|
||
}
|
||
|
||
//向芯片写入配置数据
|
||
static int32_t GT91xx_Config_Write_Proc(void)
|
||
{
|
||
int32_t ret = -1;
|
||
|
||
int32_t i = 0;
|
||
uint8_t check_sum = 0;
|
||
int32_t retry = 0;
|
||
uint8_t cfg_num =0x80FE-0x8047+1 ; //需要配置的寄存器个数
|
||
|
||
uint8_t cfg_info[] = CTP_CFG_GROUP1;
|
||
uint8_t cfg_info_len =CFG_GROUP_LEN(cfg_info) ;
|
||
|
||
GTP_INFO("==== GT9XX send config====\n");
|
||
|
||
memset(&config[GTP_ADDR_LENGTH], 0, GTP_CONFIG_MAX_LENGTH);
|
||
memcpy(&config[GTP_ADDR_LENGTH], cfg_info,cfg_info_len);
|
||
|
||
//计算要写入checksum寄存器的值
|
||
check_sum = 0;
|
||
for (i = GTP_ADDR_LENGTH; i < cfg_num+GTP_ADDR_LENGTH; i++)
|
||
{
|
||
check_sum += config[i];
|
||
}
|
||
config[ cfg_num+GTP_ADDR_LENGTH] = (~check_sum) + 1; //checksum
|
||
config[ cfg_num+GTP_ADDR_LENGTH+1] = 1; //refresh 配置更新标志
|
||
|
||
//写入配置信息
|
||
for (retry = 0; retry < 5; retry++)
|
||
{
|
||
ret = GTP_I2C_Write(GTP_ADDRESS, config , cfg_num + GTP_ADDR_LENGTH+2);
|
||
if (ret > 0)
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
|
||
|
||
return ret;
|
||
}
|
||
|
||
#endif
|
||
|
||
/**
|
||
* @brief 触屏中断服务函数，emXGUI示例中没有使用中断
|
||
* @param 无
|
||
* @retval 无
|
||
*/
|
||
void GTP_IRQHandler(void)
|
||
{
|
||
if(__HAL_GPIO_EXTI_GET_IT(GTP_INT_GPIO_PIN) != RESET) //确保是否产生了EXTI Line中断
|
||
{
|
||
//LED2_TOGGLE;
|
||
GTP_TouchProcess();
|
||
__HAL_GPIO_EXTI_CLEAR_IT(GTP_INT_GPIO_PIN); //清除中断标志位
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @brief 触屏检测函数，本函数作为emXGUI的定制检测函数，
|
||
* 参考Goodix_TS_Work_Func修改而来， 只读取单个触摸点坐标
|
||
* @param x[out] y[out] 读取到的坐标
|
||
* @retval 坐标有效返回1，否则返回0
|
||
*/
|
||
int GTP_Execu( int *x,int *y)
|
||
{
|
||
uint8_t end_cmd[3] = {GTP_READ_COOR_ADDR >> 8, GTP_READ_COOR_ADDR & 0xFF, 0};
|
||
//2-寄存器地址 1-状态寄存器 8*1-每个触摸点使用8个寄存器
|
||
uint8_t point_data[2 + 1 + 8 * 1 + 1]={GTP_READ_COOR_ADDR >> 8, GTP_READ_COOR_ADDR & 0xFF};
|
||
uint8_t touch_num = 0;
|
||
uint8_t finger = 0;
|
||
|
||
uint8_t client_addr=GTP_ADDRESS;
|
||
int32_t input_x = 0;
|
||
int32_t input_y = 0;
|
||
|
||
int32_t ret = -1;
|
||
|
||
GTP_DEBUG_FUNC();
|
||
|
||
ret = GTP_I2C_Read(client_addr, point_data, 12);//10字节寄存器加2字节地址
|
||
if (ret < 0)
|
||
{
|
||
GTP_ERROR("I2C transfer error. errno:%d\n ", ret);
|
||
return 0;
|
||
}
|
||
|
||
finger = point_data[GTP_ADDR_LENGTH];//状态寄存器数据
|
||
|
||
if (finger == 0x00) //没有数据，退出
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
if((finger & 0x80) == 0)//判断buffer status位
|
||
{
|
||
goto exit_work_func;//坐标未就绪，数据无效
|
||
}
|
||
|
||
touch_num = finger & 0x0f;//坐标点数
|
||
if (touch_num > GTP_MAX_TOUCH)
|
||
{
|
||
goto exit_work_func;//大于最大支持点数，错误退出
|
||
}
|
||
|
||
if (touch_num)
|
||
{
|
||
// id = point_data[0] & 0x0F; //track id
|
||
|
||
input_x = point_data[3+1] | (point_data[3+2] << 8); //x坐标
|
||
input_y = point_data[3+3] | (point_data[3+4] << 8); //y坐标
|
||
// input_w = coor_data[5] | (coor_data[6] << 8); //size
|
||
|
||
if(input_x < GTP_MAX_WIDTH && input_y < GTP_MAX_HEIGHT)
|
||
{
|
||
*x = input_x;
|
||
*y = input_y;
|
||
}
|
||
else
|
||
{
|
||
//超出范围，错误退出
|
||
goto exit_work_func;
|
||
}
|
||
}
|
||
|
||
exit_work_func:
|
||
{
|
||
//清空标志
|
||
ret = GTP_I2C_Write(client_addr, end_cmd, 3);
|
||
if (ret < 0)
|
||
{
|
||
GTP_INFO("I2C write end_cmd error!");
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
return touch_num;
|
||
}
|
||
//MODULE_DESCRIPTION("GTP Series Driver");
|
||
//MODULE_LICENSE("GPL");
|