touchTFT.c

/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "lcd_ili9341.h"
#include "stm32f429i_discovery_ts.h"
#include <stdio.h>
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
I2C_HandleTypeDef hi2c3;

LTDC_HandleTypeDef hltdc;

SPI_HandleTypeDef hspi5;

UART_HandleTypeDef huart1;

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_LTDC_Init(void);
static void MX_SPI5_Init(void);
static void MX_USART1_UART_Init(void);
static void MX_I2C3_Init(void);
/* USER CODE BEGIN PFP */
int _write(int file, char *ptr, int len)
{
	HAL_UART_Transmit(&huart1, (uint8_t *)ptr, len, 0xFFFFFFFF);
	return len;
}
/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
#define LCD_FRAMEBUFFER_SIZE (LCD_PIXEL_WIDTH * LCD_PIXEL_HEIGHT)
uint16_t frame_buffer[LCD_FRAMEBUFFER_SIZE];
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */
	int idx = -1;
	int flag = 0;
	int color[] = {
					LCD_COLOR_WHITE,
					LCD_COLOR_BLACK,
					LCD_COLOR_GREY,
					LCD_COLOR_BLUE,
					LCD_COLOR_BLUE2,
					LCD_COLOR_RED,
					LCD_COLOR_MAGENTA,
					LCD_COLOR_GREEN,
					LCD_COLOR_CYAN,
					LCD_COLOR_YELLOW
			};
  /* USER CODE END 1 */
  

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */
  TS_StateTypeDef stTouch;
  BSP_TS_Init(240, 320);
  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_LTDC_Init();
  MX_SPI5_Init();
  MX_USART1_UART_Init();
  MX_I2C3_Init();
  /* USER CODE BEGIN 2 */
  HAL_GPIO_WritePin(GPIOC, GPIO_PIN_2, GPIO_PIN_SET);
  	LCD_PowerOn();
  	HAL_LTDC_SetAddress(&hltdc, (uint32_t)frame_buffer, 0);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
	BSP_TS_GetState(&stTouch);
	if(stTouch.TouchDetected) {
		if(!flag) {
			flag = 1;
			printf("X : %d\r\n", stTouch.X);
			printf("Y : %d\r\n", stTouch.Y);
			if(++idx == 11) {
				idx = 0;
			}
			for(int j=0; j<LCD_FRAMEBUFFER_SIZE; j++) {
				frame_buffer[j] = color[idx];
			}
			HAL_Delay(200);
		}
	}
	else {
		flag = 0;
	}
  }
  /* USER CODE END 3 */
}