146 lines
3.6 KiB
C
146 lines
3.6 KiB
C
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#include "includes.h"
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#include "app_config.h"
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#include "ui/ui_api.h"
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#include "system/includes.h"
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#include "system/timer.h"
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#include "asm/spi.h"
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#include "asm/mcpwm.h"
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#if TCFG_LCD_ST7735S_ENABLE
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/* 初始化代码 */
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static const InitCode LcdInit_code[] = {
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{0x01, 0}, // soft reset
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{REGFLAG_DELAY, 120}, // delay 120ms
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{0x11, 0}, // sleep out
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{REGFLAG_DELAY, 120},
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{0xB1, 3, {0x02, 0x35, 0x36}},
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{0xB2, 3, {0X02, 0X35, 0X36}},
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{0XB3, 6, {0X02, 0X35, 0X36, 0X02, 0X35, 0X36}},
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{0XB4, 1, {0X03}},
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{0XC0, 3, {0XA2, 0X02, 0X84}},
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{0XC1, 1, {0XC5}},
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{0XC2, 2, {0X0D, 0X00}},
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{0XC3, 2, {0X8D, 0X2A}},
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{0XC4, 2, {0X8D, 0XEE}},
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{0XC5, 1, {0X03}},
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{0X36, 1, {0XC8}},
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{0XE0, 16, {0X04, 0X16, 0X0D, 0X14, 0X3A, 0X33, 0X2A, 0X2E, 0X2C, 0X29, 0X30, 0X3C, 0X00, 0X01, 0X01, 0X10}},
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{0XE1, 16, {0X04, 0X16, 0X0D, 0X13, 0X3A, 0X33, 0X2A, 0X2E, 0X2C, 0X28, 0X2F, 0X3B, 0X00, 0X01, 0X01, 0X10}},
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{0X3A, 1, {0X05}},
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{0X2A, 4, {0X00, 0X00, 0X00, 0X7F}},
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{0X2B, 4, {0X00, 0X00, 0X00, 0X7F}},
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{0X29, 0},
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{REGFLAG_DELAY, 20},
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{0X2C, 0},
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{REGFLAG_DELAY, 20},
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};
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void TFT_Write_Cmd(u8 data)
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{
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lcd_cs_l();
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lcd_rs_l();
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spi_dma_send_byte(data);
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lcd_cs_h();
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}
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void TFT_Write_Data(u8 data)
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{
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lcd_cs_l();
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lcd_rs_h();
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spi_dma_send_byte(data);
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lcd_cs_h();
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}
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void TFT_Write_Map(char *map, int size)
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{
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spi_dma_send_map(map, size);
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}
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void TFT_GPIO_Init(void)
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{
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}
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void TFT_Set_Draw_Area(int xs, int xe, int ys, int ye)
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{
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TFT_Write_Cmd(0x2A);
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TFT_Write_Data(xs >> 8);
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TFT_Write_Data(xs);
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TFT_Write_Data(xe >> 8);
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TFT_Write_Data(xe);
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TFT_Write_Cmd(0x2B);
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TFT_Write_Data(ys >> 8);
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TFT_Write_Data(ys);
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TFT_Write_Data(ye >> 8);
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TFT_Write_Data(ye);
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TFT_Write_Cmd(0x2C);
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lcd_cs_l();
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lcd_rs_h();
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}
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static void TFT_BackLightCtrl(u8 on)
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{
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#if (TCFG_BACKLIGHT_PWM_MODE == 1)
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//注意：duty不能大于prd，并且prd和duty是非标准非线性的，建议用示波器看着来调
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extern int pwm_led_output_clk(u8 gpio, u8 prd, u8 duty);
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if (on) {
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pwm_led_output_clk(TCFG_BACKLIGHT_PWM_IO, 10, 10);
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} else {
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pwm_led_output_clk(TCFG_BACKLIGHT_PWM_IO, 10, 0);
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}
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#elif (TCFG_BACKLIGHT_PWM_MODE == 2)
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static u8 first_flag = 1;
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extern void mcpwm_set_duty(pwm_ch_num_type pwm_ch, pwm_timer_num_type timer_ch, u16 duty);
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if (first_flag) {
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first_flag = 0;
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lcd_mcpwm_init();
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}
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if (on) {
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mcpwm_set_duty(lcd_pwm_p_data.pwm_ch_num, lcd_pwm_p_data.pwm_timer_num, 0);//duty 占空比：0 ~ 10000 对应 100% ~ 0%
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} else {
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mcpwm_set_duty(lcd_pwm_p_data.pwm_ch_num, lcd_pwm_p_data.pwm_timer_num, 10000);//duty 占空比：0 ~ 10000 对应 100% ~ 0%
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}
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#else
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if (on) {
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lcd_bl_h();
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} else {
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lcd_bl_l();
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}
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#endif
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}
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#define LCD_WIDTH 132
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#define LCD_HIGHT 132
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#define LINE_BUFF_SIZE (10*2*LCD_WIDTH*2)
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static u8 line_buffer[LINE_BUFF_SIZE] __attribute__((aligned(4)));
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REGISTER_LCD_DRIVE() = {
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.name = "st7735s",
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.lcd_width = LCD_WIDTH,
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.lcd_height = LCD_HIGHT,
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.color_format = LCD_COLOR_RGB565,
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.interface = LCD_SPI,
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.column_addr_align = 1,
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.row_addr_align = 1,
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.dispbuf = line_buffer,
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.bufsize = LINE_BUFF_SIZE,
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.initcode = LcdInit_code,
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.initcode_cnt = sizeof(LcdInit_code) / sizeof(LcdInit_code[0]),
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.GpioInit = TFT_GPIO_Init,
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.WriteComm = TFT_Write_Cmd,
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.WriteData = TFT_Write_Data,
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.WriteMap = TFT_Write_Map,
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.SetDrawArea = TFT_Set_Draw_Area,
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.Reset = NULL,
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.BackLightCtrl = TFT_BackLightCtrl,
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};
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#endif
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