162 lines
3.2 KiB
C
162 lines
3.2 KiB
C
#include "include.h"
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#include "tft.h"
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#define CommEnd() tft_write_end()
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#define WriteData(v) tft_write_data(v)
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#define WriteComm(v) tft_write_cmd(v)
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#define GUI_TFT_SCREEN_ID 0x0
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#define GUI_SCREEN_OFS_X 0
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#define GUI_SCREEN_OFS_Y 12
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static void tft_gui_set_window(u16 x0, u16 y0, u16 x1, u16 y1)
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{
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x0 += GUI_SCREEN_OFS_X;
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x1 += GUI_SCREEN_OFS_X;
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y0 += GUI_SCREEN_OFS_Y;
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y1 += GUI_SCREEN_OFS_Y;
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WriteComm(0x2A); // TFT_CASET
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WriteData(BYTE1(x0));
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WriteData(BYTE0(x0));
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WriteData(BYTE1(x1));
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WriteData(BYTE0(x1));
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WriteComm(0x2B); // TFT_PASET
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WriteData(BYTE1(y0));
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WriteData(BYTE0(y0));
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WriteData(BYTE1(y1));
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WriteData(BYTE0(y1));
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tft_write_end();
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}
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static void tft_read_id(uint8_t *buf)
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{
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tft_read_id_cmd(0x04);
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/* dummy clock cycle */
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tft_dummy_clock();
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buf[0] = tft_spi_getbyte();
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buf[1] = tft_spi_getbyte();
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buf[2] = tft_spi_getbyte();
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tft_write_end();
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}
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void st7789_display_point(uint16_t x1, uint16_t y1, uint16_t color)
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{
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TFT_SPI_DATA_EN();
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delay_5ms(200);
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tft_gui_set_window(0, 0, x1, y1);
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tft_frame_start();
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for (int x = 0; x <= x1; x++) {
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for (int y = 0; y <= y1; y++)
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{
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WDT_CLR();
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WriteData(color >> 8);
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WriteData(color);
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}
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}
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tft_write_end();
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}
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static void tft_240_st7789_init(void)
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{
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printf("tft_st7789_init\n");
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tft_hw_reset();
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delay_ms(120);
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WriteComm(0x11);
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delay_ms(120);
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WriteComm(0x36);
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WriteData(0x00);
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WriteComm(0x3A);
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WriteData(0x05);
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WriteComm(0x35);
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WriteData(0x00);
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WriteComm(0xB2);
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WriteData(0x5C);
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WriteData(0x5C);
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WriteData(0x00);
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WriteData(0x33);
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WriteData(0x33);
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WriteComm(0xB7);
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WriteData(0x57);
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WriteComm(0xBB);
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WriteData(0x15);
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WriteComm(0xC0);
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WriteData(0x2C);
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WriteComm(0xC2);
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WriteData(0x01);
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WriteComm(0xC3);
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WriteData(0x14);
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WriteComm(0xC6);
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WriteData(0x16);
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WriteComm(0xD0);
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WriteData(0xA7);
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WriteComm(0xD0);
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WriteData(0xA4);
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WriteData(0xA1);
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WriteComm(0xD6);
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WriteData(0xA1); //sleep in后，gate输出为GND
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WriteComm(0xE0);
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WriteData(0x70);
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WriteData(0x03);
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WriteData(0x0A);
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WriteData(0x09);
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WriteData(0x09);
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WriteData(0x14);
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WriteData(0x36);
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WriteData(0x54);
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WriteData(0x4C);
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WriteData(0x3C);
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WriteData(0x17);
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WriteData(0x18);
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WriteData(0x2E);
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WriteData(0x2E);
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WriteComm(0xE1);
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WriteData(0x70);
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WriteData(0x08);
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WriteData(0x0E);
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WriteData(0x0A);
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WriteData(0x0A);
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WriteData(0x35);
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WriteData(0x35);
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WriteData(0x44);
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WriteData(0x4C);
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WriteData(0x3A);
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WriteData(0x18);
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WriteData(0x1A);
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WriteData(0x2C);
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WriteData(0x2F);
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WriteComm(0x21);
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WriteComm(0x29);
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WriteComm(0x2C);
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}
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tft_driver_t tft_driver_240_st7789 = {
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.id = GUI_TFT_SCREEN_ID,
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.init = tft_240_st7789_init,
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.read_id = tft_read_id,
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.set_window = tft_gui_set_window,
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}; |