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Update st7789.c #65

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41 changes: 21 additions & 20 deletions app/peripherals/st7789/st7789.c
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@
#ifdef ROW_OFFSET_PLUS
#define ROW_OFFSET (ROW_OFFSET_PLUS)
#else
#define ROW_OFFSET (20)
#define ROW_OFFSET (0)
#endif

/**
Expand All @@ -24,10 +24,10 @@
#define THE_LCD_ID 0x85

/**
* @brief ST7789 Size
* @brief ST7789 Size - 2.0 inch 320x240
*/
// #define THE_LCD_PIXEL_WIDTH ((uint16_t)240)
// #define THE_LCD_PIXEL_HEIGHT ((uint16_t)280)
#define THE_LCD_PIXEL_WIDTH ((uint16_t)320)
#define THE_LCD_PIXEL_HEIGHT ((uint16_t)240)

/**
* @brief ST7789 Registers
Expand Down Expand Up @@ -168,6 +168,20 @@ static void LCD_Init(LCDC_HandleTypeDef *hlcdc)
/* Display inversion On */
LCD_WriteReg(hlcdc, REG_DISPLAY_INVERSION, (uint8_t *)NULL, 0);

/* Set Column address CASET */
parameter[0] = 0x00;
parameter[1] = 0x00;
parameter[2] = (THE_LCD_PIXEL_WIDTH - 1) >> 8;
parameter[3] = (THE_LCD_PIXEL_WIDTH - 1) & 0xFF;
LCD_WriteReg(hlcdc, REG_CASET, parameter, 4);

/* Set Row address RASET */
parameter[0] = 0x00;
parameter[1] = 0x00;
parameter[2] = (THE_LCD_PIXEL_HEIGHT - 1) >> 8;
parameter[3] = (THE_LCD_PIXEL_HEIGHT - 1) & 0xFF;
LCD_WriteReg(hlcdc, REG_RASET, parameter, 4);

#if 0

/*--------------- ST7789 Frame rate setting -------------------------------*/
Expand Down Expand Up @@ -249,25 +263,12 @@ static void LCD_Init(LCDC_HandleTypeDef *hlcdc)
LCD_WriteReg(hlcdc, REG_NV_GAMMA_CTRL, parameter, 14);

#if 0

/* Set Column address CASET */
parameter[0] = 0x00;
parameter[1] = 0x00;
parameter[2] = 0x00;
parameter[3] = THE_LCD_PIXEL_WIDTH - 1;
LCD_WriteReg(hlcdc, REG_CASET, parameter, 4);
/* Set Row address RASET */
parameter[0] = 0x00;
parameter[1] = 0x00;
parameter[2] = 0x00;
parameter[3] = THE_LCD_PIXEL_HEIGHT - 1;
LCD_WriteReg(hlcdc, REG_RASET, parameter, 4);

/* Test pattern - clear screen to black */
LCD_WriteReg(hlcdc, REG_WRITE_RAM, (uint8_t *)NULL, 0);

for (uint32_t i = 0; i < 240; i++)
for (uint32_t i = 0; i < THE_LCD_PIXEL_HEIGHT; i++)
{
for (uint32_t j = 0; j < 240; j++)
for (uint32_t j = 0; j < THE_LCD_PIXEL_WIDTH; j++)
{
LCD_IO_WriteData16(0x0000);
}
Expand Down