/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2024 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "fatfs.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "lcd_init.h"
#include "lcd.h"
#include "fatfs_sd.h"
#include "stdio.h"
#include "string.h"
int16_t x, y;
char buff[64];
uint16_t z=25;
/* 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 ---------------------------------------------------------*/
SPI_HandleTypeDef hspi1;
SPI_HandleTypeDef hspi2;
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_SPI1_Init(void);
static void MX_SPI2_Init(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
FATFS fs; // file system
FIL file; // File
FILINFO fno;
FRESULT fresult; // result
UINT br, bw; // File read/write count
/**** capacity related *****/
FATFS *pfs;
DWORD fre_clust;
uint32_t total, free_space;
char buffer[100];
uint16_t farbe;
typedef struct BmpHeader
{
uint8_t B;
uint8_t M;
uint32_t fsize;
uint16_t res1;
uint16_t res2;
uint32_t offset;
uint32_t hsize;
uint32_t w;
uint32_t h;
uint16_t planes;
uint16_t bpp;
uint32_t ctype;
uint32_t dsize;
uint32_t hppm;
uint32_t vppm;
uint32_t colorsused;
uint32_t colorreq;
}BmpHeader;
#define SPIbuffSize 264
#define BUFFER_SIZE 1032
#define BITMAP_HEADER_SIZE sizeof(BmpHeader)
#define MIN(a, b) (((a)<(b))?(a): (b))
int bufsize (char *buf)
{
int i=0;
while (*buf++ != '\0') i++;
return i;
}
int bufclear (void)
{
for (int i=0; i<1024;i++)
{
buffer[i]= '\0';
}
}
int displayImage(const char* fname) {
// UART_Printf("Openning %s...\r\n", fname);
FIL file;
FRESULT res = f_open(&file, fname, FA_READ);
if(res != FR_OK) {
// LCD_ShowString(0,10,"f_open() failed, res = %d\r\n",RED,WHITE,16,0);
return -1;
}
// LCD_ShowString(0,30,"File opened, reading...\r\n",RED,WHITE,16,0);
unsigned int bytesRead;
uint8_t header[34];
res = f_read(&file, header, sizeof(header), &bytesRead);
if(res != FR_OK) {
// LCD_ShowString(0,50,"f_read() failed, res = %d\r\n",RED,WHITE,16,0);
f_close(&file);
return -2;
}
if((header[0] != 0x42) || (header[1] != 0x4D)) {
// LCD_ShowString(0,90,"Wrong BMP signature: 0x%02X 0x%02X\r\n",RED,WHITE,16,0);
f_close(&file);
return -3;
}
uint32_t imageOffset = header[10] | (header[11] << 8) | (header[12] << 16) | (header[13] << 24);
uint32_t imageWidth = header[18] | (header[19] << 8) | (header[20] << 16) | (header[21] << 24);
uint32_t imageHeight = header[22] | (header[23] << 8) | (header[24] << 16) | (header[25] << 24);
uint16_t imagePlanes = header[26] | (header[27] << 8);
uint16_t imageBitsPerPixel = header[28] | (header[29] << 8);
uint32_t imageCompression = header[30] | (header[31] << 8) | (header[32] << 16) | (header[33] << 24);
snprintf(buff, sizeof(buff), "Pixels offset: %lu\r\n ", imageOffset);
// LCD_ShowString(0,110,buff,RED,WHITE,16,0);
snprintf(buff, sizeof(buff), "WxH: %lux%lu\r\n ", imageWidth, imageHeight);
// LCD_ShowString(0,130,buff,RED,WHITE,16,0);
snprintf(buff, sizeof(buff), "Planes: %d\r\n ", imagePlanes);
// LCD_ShowString(0,150,buff,RED,WHITE,16,0);
snprintf(buff, sizeof(buff), "Bits per pixel: %d\r\n ", imageBitsPerPixel);
// LCD_ShowString(0,170,buff,RED,WHITE,16,0);
snprintf(buff, sizeof(buff), "Compression: %d\r\n ", imageCompression);
// LCD_ShowString(0,190,buff,RED,WHITE,16,0);
if((imageWidth != LCD_H) || (imageHeight != LCD_W)) {
// UART_Printf("Wrong BMP size, %dx%d expected\r\n", ST7735_WIDTH, ST7735_HEIGHT);
//LCD_ShowString(0,210,"Wrong BMP size, %dx%d expected\r\n",RED,WHITE,16,0);
f_close(&file);
return -4;
}
if((imagePlanes != 1) || (imageBitsPerPixel != 24) || (imageCompression != 0)) {
//LCD_ShowString(0,230,"Unsupported image format\r\n",RED,WHITE,16,0);
f_close(&file);
return -5;
}
res = f_lseek(&file, imageOffset);
if(res != FR_OK) {
snprintf(buff, sizeof(buff), "f_lseek() failed, res = %d\r\n ", res);
//LCD_ShowString(0,250,buff,RED,WHITE,16,0);
f_close(&file);
return -6;
}
// row size is aligned to 4 bytes
uint8_t imageRow[(LCD_H * 3 + 3) & ~3];
for(uint32_t y = 0; y < imageHeight; y++) {
uint32_t rowIdx = 0;
res = f_read(&file, imageRow, sizeof(imageRow), &bytesRead);
if(res != FR_OK) {
snprintf(buff, sizeof(buff), "f_read() failed, res = %d\r\n", res);
//LCD_ShowString(0,270,buff,RED,WHITE,16,0);
f_close(&file);
return -7;
}
for(uint32_t x = 0; x < imageWidth; x++) {
uint8_t b = imageRow[rowIdx++];
uint8_t g = imageRow[rowIdx++];
uint8_t r = imageRow[rowIdx++];
uint16_t color565 = ILI9341_COLOR565(r, g, b);
LCD_DrawPoint(x,imageHeight - y - 1,color565);
}
}
res = f_close(&file);
if(res != FR_OK) {
// UART_Printf("f_close() failed, res = %d\r\n", res);
snprintf(buff, sizeof(buff), "f_close() failed, res = %d\r\n", res);
// LCD_ShowString(0,290,buff,RED,WHITE,16,0);
return -8;
}
return 0;
}
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* 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 */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_SPI1_Init();
MX_SPI2_Init();
MX_FATFS_Init();
/* USER CODE BEGIN 2 */
LCD_Init();
FRESULT res = f_mount(&fs, "", 0);
if(res != FR_OK) {
// UART_Printf("f_mount() failed, res = %d\r\n", res);
snprintf(buff, sizeof(buff), "f_mount() failed, res = %d\r\n", res);
//LCD_ShowString(0,310,buff,RED,WHITE,16,0);
return -2;
}
//LCD_ShowString(0,330,"f_mount() done!\r\n",RED,WHITE,16,0);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
// displayImage("ismail.bmp");
// HAL_Delay(1000);
// displayImage("tiger.bmp");
HAL_Delay(1000);
displayImage("tiger.bmp");
HAL_Delay(1000);
displayImage("tiger2.bmp");
HAL_Delay(1000);
displayImage("mi.bmp");
HAL_Delay(1000);
displayImage("parrot.bmp");
HAL_Delay(1000);
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
Error_Handler();
}
}
/**
* @brief SPI1 Initialization Function
* @param None
* @retval None
*/
static void MX_SPI1_Init(void)
{
/* USER CODE BEGIN SPI1_Init 0 */
/* USER CODE END SPI1_Init 0 */
/* USER CODE BEGIN SPI1_Init 1 */
/* USER CODE END SPI1_Init 1 */
/* SPI1 parameter configuration*/
hspi1.Instance = SPI1;
hspi1.Init.Mode = SPI_MODE_MASTER;
hspi1.Init.Direction = SPI_DIRECTION_2LINES;
hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
hspi1.Init.NSS = SPI_NSS_SOFT;
hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
hspi1.Init.CRCPolynomial = 10;
if (HAL_SPI_Init(&hspi1) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN SPI1_Init 2 */
/* USER CODE END SPI1_Init 2 */
}
/**
* @brief SPI2 Initialization Function
* @param None
* @retval None
*/
static void MX_SPI2_Init(void)
{
/* USER CODE BEGIN SPI2_Init 0 */
/* USER CODE END SPI2_Init 0 */
/* USER CODE BEGIN SPI2_Init 1 */
/* USER CODE END SPI2_Init 1 */
/* SPI2 parameter configuration*/
hspi2.Instance = SPI2;
hspi2.Init.Mode = SPI_MODE_MASTER;
hspi2.Init.Direction = SPI_DIRECTION_2LINES;
hspi2.Init.DataSize = SPI_DATASIZE_8BIT;
hspi2.Init.CLKPolarity = SPI_POLARITY_LOW;
hspi2.Init.CLKPhase = SPI_PHASE_1EDGE;
hspi2.Init.NSS = SPI_NSS_SOFT;
hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
hspi2.Init.CRCPolynomial = 10;
if (HAL_SPI_Init(&hspi2) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN SPI2_Init 2 */
/* USER CODE END SPI2_Init 2 */
}
/**
* @brief GPIO Initialization Function
* @param None
* @retval None
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
/* USER CODE BEGIN MX_GPIO_Init_1 */
/* USER CODE END MX_GPIO_Init_1 */
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOA, LCD_BLK_Pin|LCD_DC_Pin|LCD_RES_Pin|LCD_CS_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(SD_CS_GPIO_Port, SD_CS_Pin, GPIO_PIN_RESET);
/*Configure GPIO pins : LCD_BLK_Pin LCD_DC_Pin LCD_RES_Pin LCD_CS_Pin */
GPIO_InitStruct.Pin = LCD_BLK_Pin|LCD_DC_Pin|LCD_RES_Pin|LCD_CS_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/*Configure GPIO pin : SD_CS_Pin */
GPIO_InitStruct.Pin = SD_CS_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(SD_CS_GPIO_Port, &GPIO_InitStruct);
/* USER CODE BEGIN MX_GPIO_Init_2 */
/* USER CODE END MX_GPIO_Init_2 */
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
__disable_irq();
while (1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t *file, uint32_t line)
{
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */