EVE_ILI9488_RP2040.c

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#include "EVE_Platform.h"
 
#if defined(RP2040_PLATFORM) \
    && (defined(ENABLE_ILI9488_HVGA_PORTRAIT) || defined(ENABLE_KD2401_HVGA_PORTRAIT))
 
#define GPIO_ILI9488_CS 9
#define GPIO_ILI9488_DCX 8
 
int16_t ILI9488_SPI_WriteCmd(EVE_HalContext *phost, uint8_t cmd, uint8_t data)
{
    gpio_put(GPIO_ILI9488_CS, 0);
    gpio_put(GPIO_ILI9488_DCX, 0);
 
    uint8_t hcmd[1] = { 0 };
    hcmd[0] = cmd;
 
    spi_write_blocking(phost->SpiPort, hcmd, 1);
 
    uint8_t hdata[1] = { 0 };
    hdata[0] = data;
 
    gpio_put(GPIO_ILI9488_DCX, 1);
 
    spi_write_blocking(phost->SpiPort, hdata, 1);
 
    gpio_put(GPIO_ILI9488_CS, 1);
 
    return 0;
}
 
int16_t ILI9488_SPI_WriteCmdN(EVE_HalContext *phost, uint8_t cmd, uint8_t bytecount, const uint8_t *pbuff)
{
 
    gpio_put(GPIO_ILI9488_CS, 0);
    gpio_put(GPIO_ILI9488_DCX, 0);
 
    uint8_t hcmd[1] = { 0 };
    hcmd[0] = cmd;
 
    spi_write_blocking(phost->SpiPort, hcmd, 1);
 
    gpio_put(GPIO_ILI9488_DCX, 1);
 
    int byteWritten = spi_write_blocking(phost->SpiPort, pbuff, bytecount);
 
    gpio_put(GPIO_ILI9488_CS, 1);
 
    return byteWritten;
}
 
void EVE_ILI9488_RP2040_bootup(EVE_HalContext *phost)
{
    gpio_put(phost->SpiCsPin, 1);
 
    gpio_init(GPIO_ILI9488_DCX);
    gpio_set_dir(GPIO_ILI9488_DCX, GPIO_OUT); //gpios for ili9488 - dcx
    gpio_put(GPIO_ILI9488_DCX, 0);
 
    gpio_init(GPIO_ILI9488_CS);
    gpio_set_dir(GPIO_ILI9488_CS, GPIO_OUT); //gpios for ili9488 - cs
    gpio_put(GPIO_ILI9488_CS, 1);
 
    uint8_t arraytemp[16];
 
    ILI9488_SPI_WriteCmd(phost, ILI9488_CMD_SOFTWARE_RESET, 0);
    EVE_sleep(1);
 
    //colomn address set - 0 to 319
    arraytemp[0] = 0x00;
    arraytemp[1] = 0x00;
    arraytemp[2] = 0x01;
    arraytemp[3] = 0x3f;
    ILI9488_SPI_WriteCmdN(phost, ILI9488_CMD_COLOMNADDR, 4, arraytemp);
 
    //row address set - 0 to 479
    arraytemp[0] = 0x00;
    arraytemp[1] = 0x00;
    arraytemp[2] = 0x01;
    arraytemp[3] = 0xdf;
    ILI9488_SPI_WriteCmdN(phost, ILI9488_CMD_ROWADDR, 4, arraytemp);
 
    //Frame rate 70HZ
    ILI9488_SPI_WriteCmd(phost, ILI9488_CMD_FRAME_RATE_CONTROL, 0xB0);
 
    //adjust control 3
    arraytemp[0] = 0xa9;
    arraytemp[1] = 0x51;
    arraytemp[2] = 0x2c;
    arraytemp[3] = 0x82;
    ILI9488_SPI_WriteCmdN(phost, 0XF7, 4, arraytemp);
 
    ILI9488_SPI_WriteCmd(phost, ILI9488_CMD_INTERFACE_MODE_CONTROL, 2);
    ILI9488_SPI_WriteCmd(phost, ILI9488_CMD_INTERFACE_PIXEL_FORMAT, ILI9488_INTERFACE_PIXEL_FORMAT_18BIT_DPI);
    ILI9488_SPI_WriteCmd(phost, ILI9488_CMD_IMAGEFUNCTION, 0);
    ILI9488_SPI_WriteCmd(phost, ILI9488_CMD_WRITE_CONTROL_DISPLAY, 0x2c);
 
    ILI9488_SPI_WriteCmd(phost, ILI9488_CMD_MADCTRL, 0x48); //bgr connection and colomn address order
 
    arraytemp[0] = 0x30;
    arraytemp[1] = 0x02;
    arraytemp[2] = 0x3b;
 
    ILI9488_SPI_WriteCmdN(phost, ILI9488_CMD_DISPLAY_FUNCTION_CONTROL, 3, arraytemp);
 
    ILI9488_SPI_WriteCmd(phost, ILI9488_CMD_SLEEP_OUT, 0);
    EVE_sleep(1);
 
    ILI9488_SPI_WriteCmd(phost, ILI9488_CMD_DISPLAYON, 0);
    ILI9488_SPI_WriteCmd(phost, 0x2c, 0xB0);
}
 
#endif
 
/*end of file*/