【RA4M2-SENSOR】SPI驱动1.8TFT

先配置SCI_SPI


波特率10MHz.引脚选择

还需要配置P014-DC P015-CS

基本驱动代码

#define DC_Set	R_IOPORT_PinWrite(&g_ioport_ctrl,BSP_IO_PORT_00_PIN_14,BSP_IO_LEVEL_HIGH)
#define DC_Clr	R_IOPORT_PinWrite(&g_ioport_ctrl,BSP_IO_PORT_00_PIN_14,BSP_IO_LEVEL_LOW)
#define CS_Set	R_IOPORT_PinWrite(&g_ioport_ctrl,BSP_IO_PORT_00_PIN_15,BSP_IO_LEVEL_HIGH)
#define CS_Clr	R_IOPORT_PinWrite(&g_ioport_ctrl,BSP_IO_PORT_00_PIN_15,BSP_IO_LEVEL_LOW)


static void SCI_SPI_Init(void);
static void LCD_WriteData(uint8_t data);
static void LCD_WriteData16(uint16_t data);
static void LCD_WriteCommond(uint8_t cmd);

static volatile bool sci_spi_send_complete_flag = false;


void LCD_Init(void)
{
	SCI_SPI_Init();
	R_BSP_SoftwareDelay(100, BSP_DELAY_UNITS_MILLISECONDS);
	
	LCD_WriteCommond(0x11);//Sleep exit 
	R_BSP_SoftwareDelay(120, BSP_DELAY_UNITS_MILLISECONDS);
	LCD_WriteCommond(0xB1); 
	LCD_WriteData(0x05); 
	LCD_WriteData(0x3C); 
	LCD_WriteData(0x3C); 
	LCD_WriteCommond(0xB2); 
	LCD_WriteData(0x05);
	LCD_WriteData(0x3C); 
	LCD_WriteData(0x3C); 
	LCD_WriteCommond(0xB3); 
	LCD_WriteData(0x05); 
	LCD_WriteData(0x3C); 
	LCD_WriteData(0x3C); 
	LCD_WriteData(0x05); 
	LCD_WriteData(0x3C); 
	LCD_WriteData(0x3C); 
	//------------------------------------End ST7735S Frame Rate---------------------------------// 
	LCD_WriteCommond(0xB4); //Dot inversion 
	LCD_WriteData(0x03); 
	//------------------------------------ST7735S Power Sequence---------------------------------// 
	LCD_WriteCommond(0xC0); 
	LCD_WriteData(0x28); 
	LCD_WriteData(0x08); 
	LCD_WriteData(0x04); 
	LCD_WriteCommond(0xC1); 
	LCD_WriteData(0XC0); 
	LCD_WriteCommond(0xC2); 
	LCD_WriteData(0x0D); 
	LCD_WriteData(0x00); 
	LCD_WriteCommond(0xC3); 
	LCD_WriteData(0x8D); 
	LCD_WriteData(0x2A); 
	LCD_WriteCommond(0xC4); 
	LCD_WriteData(0x8D); 
	LCD_WriteData(0xEE); 
	//---------------------------------End ST7735S Power Sequence-------------------------------------// 
	LCD_WriteCommond(0xC5); //VCOM 
	LCD_WriteData(0x1A); 
	LCD_WriteCommond(0x36); //MX, MY, RGB mode 
	LCD_WriteData(0x00);
//	if(USE_HORIZONTAL==0)LCD_WriteData(0x00);
//	else if(USE_HORIZONTAL==1)LCD_WriteData(0xC0);
//	else if(USE_HORIZONTAL==2)LCD_WriteData(0x70);
//	else LCD_WriteData(0xA0); 
	//------------------------------------ST7735S Gamma Sequence---------------------------------// 
	LCD_WriteCommond(0xE0); 
	LCD_WriteData(0x04); 
	LCD_WriteData(0x22); 
	LCD_WriteData(0x07); 
	LCD_WriteData(0x0A); 
	LCD_WriteData(0x2E); 
	LCD_WriteData(0x30); 
	LCD_WriteData(0x25); 
	LCD_WriteData(0x2A); 
	LCD_WriteData(0x28); 
	LCD_WriteData(0x26); 
	LCD_WriteData(0x2E); 
	LCD_WriteData(0x3A); 
	LCD_WriteData(0x00); 
	LCD_WriteData(0x01); 
	LCD_WriteData(0x03); 
	LCD_WriteData(0x13); 
	LCD_WriteCommond(0xE1); 
	LCD_WriteData(0x04); 
	LCD_WriteData(0x16); 
	LCD_WriteData(0x06); 
	LCD_WriteData(0x0D); 
	LCD_WriteData(0x2D); 
	LCD_WriteData(0x26); 
	LCD_WriteData(0x23); 
	LCD_WriteData(0x27); 
	LCD_WriteData(0x27); 
	LCD_WriteData(0x25); 
	LCD_WriteData(0x2D); 
	LCD_WriteData(0x3B); 
	LCD_WriteData(0x00); 
	LCD_WriteData(0x01); 
	LCD_WriteData(0x04); 
	LCD_WriteData(0x13); 
	//------------------------------------End ST7735S Gamma Sequence-----------------------------// 
	LCD_WriteCommond(0x3A); //65k mode 
	LCD_WriteData(0x05); 
	LCD_WriteCommond(0x29); //Display on 

}

void LCD_Address_Set(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2)
{
	LCD_WriteCommond(0x2a);//列地址设置
	LCD_WriteData16(x1+2);
	LCD_WriteData16(x2+2);
	LCD_WriteCommond(0x2b);//行地址设置
	LCD_WriteData16(y1+1);
	LCD_WriteData16(y2+1);
	LCD_WriteCommond(0x2c);//储存器写
}


void LCD_Fill(uint16_t xsta,uint16_t ysta,uint16_t xend,uint16_t yend,uint16_t color)
{          
	uint16_t i,j; 
	LCD_Address_Set(xsta,ysta,xend-1,yend-1);//设置显示范围
	for(i=ysta;i<yend;i++)
	{													   	 	
		for(j=xsta;j<xend;j++)
		{
			LCD_WriteData16(color);
		}
	} 					  	    
}

static void SCI_SPI_Init(void)
{
	fsp_err_t err = R_SCI_SPI_Open(&g_spi0_ctrl,&g_spi0_cfg);
	assert(err == FSP_SUCCESS);	
}

static void LCD_WriteData(uint8_t data)
{
	CS_Clr;
	DC_Set;
	R_SCI_SPI_Write(&g_spi0_ctrl,(uint8_t*)&data,1,SPI_BIT_WIDTH_8_BITS);
	while(!sci_spi_send_complete_flag);
	sci_spi_send_complete_flag = false;
	CS_Set;
}

static void LCD_WriteData16(uint16_t data)
{
	uint8_t buffer[2];
	buffer[0] = (uint8_t)(data >> 8);
	buffer[1] = (uint8_t)data;
	CS_Clr;
	DC_Set;
	R_SCI_SPI_Write(&g_spi0_ctrl,(uint8_t*)&buffer[0],1,SPI_BIT_WIDTH_8_BITS);
	while(!sci_spi_send_complete_flag);
	sci_spi_send_complete_flag = false;
	R_SCI_SPI_Write(&g_spi0_ctrl,(uint8_t*)&buffer[1],1,SPI_BIT_WIDTH_8_BITS);
	while(!sci_spi_send_complete_flag);
	sci_spi_send_complete_flag = false;
	CS_Set;
}

static void LCD_WriteCommond(uint8_t cmd)
{
	CS_Clr;
	DC_Clr;
	R_SCI_SPI_Write(&g_spi0_ctrl,(uint8_t*)&cmd,1,SPI_BIT_WIDTH_8_BITS);
	while(!sci_spi_send_complete_flag);
	sci_spi_send_complete_flag = false;
	CS_Set;
}

void sci_spi_callback(spi_callback_args_t *arg)
{

    if(arg->event == SPI_EVENT_TRANSFER_COMPLETE)
	{
        sci_spi_send_complete_flag = true;
	}
}

测试程序

void hal_entry(void)
{
	UART_Init();
	LCD_Init();
	/* TODO: add your own code here */
	while(1)
	{
		LCD_Fill(0,0,128,160,WHITE		);
		LCD_Fill(0,0,128,160,BLACK      );
		LCD_Fill(0,0,128,160,BLUE       );
		LCD_Fill(0,0,128,160,BRED       );
		LCD_Fill(0,0,128,160,GRED 		);
		LCD_Fill(0,0,128,160,GBLUE		);
		LCD_Fill(0,0,128,160,RED        );
		LCD_Fill(0,0,128,160,MAGENTA    );
		LCD_Fill(0,0,128,160,GREEN      );
		LCD_Fill(0,0,128,160,CYAN       );
		LCD_Fill(0,0,128,160,YELLOW     );
		LCD_Fill(0,0,128,160,BROWN 		);
		LCD_Fill(0,0,128,160,BRRED 		);
		LCD_Fill(0,0,128,160,GRAY  		);
		LCD_Fill(0,0,128,160,DARKBLUE   );
		LCD_Fill(0,0,128,160,LIGHTBLUE  );
		LCD_Fill(0,0,128,160,GRAYBLUE   );
		LCD_Fill(0,0,128,160,LIGHTGREEN );
		LCD_Fill(0,0,128,160,LGRAY 		);
		LCD_Fill(0,0,128,160,LGRAYBLUE  );
		LCD_Fill(0,0,128,160,LBBLUE     );

	}
#if BSP_TZ_SECURE_BUILD
    /* Enter non-secure code */
    R_BSP_NonSecureEnter();
#endif
}