Init qspi flash

project/Core/Src/main.c

@@ -23,9 +23,10 @@
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
 #define LOGGER_LEVEL_ALL
+#include "../../Drivers/BSP/STM32746G-Discovery/stm32746g_discovery_qspi.h"
+#include "../../Drivers/BSP/STM32746G-Discovery/stm32746g_discovery_lcd.h"
 #include "log.h"
 #include "llfs.h"
-#include "../../Drivers/BSP/STM32746G-Discovery/stm32746g_discovery_lcd.h"
 #include "lcd_api.h"
 
 /* USER CODE END Includes */
@@ -113,154 +114,18 @@ int main(void)
   MX_LWIP_Init();
   MX_QUADSPI_Init();
   /* USER CODE BEGIN 2 */
+
+  /* Initialize QSPI */
+  BSP_QSPI_Init();
+  BSP_QSPI_MemoryMappedMode();
+  WRITE_REG(QUADSPI->LPTR, 0xFFF);
+
+  /* Initialize the LCD */
   lcd_init(true);
 
+  /* Initialize the filesystem */
   llfs_init();
 
-
-    FILE *f = fopen("test.txt", "rw");
-    if (f == NULL) {
-        LOG_INFO(TAG, "File not found test.txt");
-        return 1;
-    } else {
-        LOG_INFO(TAG, "File found test.txt");
-    }
-
-    // Test POSIX file operations
-    // fgetc
-    int c;
-    printf("Printing file:\n");
-    while ((c = fgetc(f)) != EOF) {
-        printf("%c", c);
-    }
-    LOG_INFO(TAG, "File printed");
-
-    // fseek
-    fseek(f, 0, SEEK_SET);
-    LOG_INFO(TAG, "File seeked to start");
-
-    // ftell
-    long pos = ftell(f);
-    LOG_INFO(TAG, "File position: %d", pos);
-
-    // fread
-    char buf[100];
-    size_t bytes_read = fread(buf, 1, 100, f);
-    LOG_INFO(TAG, "Read %d bytes from file", bytes_read);
-    printf("Read from file:\n");
-    for (int i = 0; i < bytes_read; i++) {
-        printf("%c", buf[i]);
-    }
-
-    // Rewind the file
-    LOG_INFO(TAG, "Before File rewinded, pos: %d", ftell(f));
-    rewind(f);
-    LOG_INFO(TAG, "File rewinded, pos: %d", ftell(f));
-
-    // Get the file size fstat
-    struct stat st;
-    fstat(fileno(f), &st);
-    LOG_INFO(TAG, "File size: %d", st.st_size);
-
-
-    // Get a list of all files with the .bmp extension
-    llfs_file_t file_list[10];
-    size_t num_files = llfs_file_list(file_list, 10, "*.bmp");
-    LOG_INFO(TAG, "Found %d files with the .bmp extension", num_files);
-    for (int i = 0; i < num_files; i++) {
-        LOG_INFO(TAG, "File %d: %s", i, file_list[i].name);
-    }
-
-    // Get a list of files with .txt or .html
-    num_files = llfs_file_list(file_list, 10, "*.txt");
-    LOG_INFO(TAG, "Found %d files with the .txt or .html extension", num_files);
-    for (int i = 0; i < num_files; i++) {
-        LOG_INFO(TAG, "File %d: %s", i, file_list[i].name);
-    }
-
-    // Loop over all files using the iterator
-    LOG_INFO(TAG, "Looping over all files, using the iterator");
-    void *mem = NULL;
-    llfs_file_t *file;
-    while ((file = llfs_next_file(&mem, NULL)) != NULL) {
-        LOG_INFO(TAG, "File: %s", file->name);
-    }
-
-    // Loop over all files with the .bmp extension using the iterator
-    LOG_INFO(TAG, "Looping over all files with the .bmp extension, using the iterator");
-    mem = NULL;
-    while ((file = llfs_next_file(&mem, "*.bmp")) != NULL) {
-        LOG_INFO(TAG, "File: %s", file->name);
-    }
-
-    // Get the number of files in the filesystem
-    size_t num_files_in_fs = llfs_file_count();
-    LOG_INFO(TAG, "Number of files in the filesystem: %d", num_files_in_fs);
-
-
-    fclose(f);
-
-    // Try opening multiple files
-    LOG_INFO(TAG, "Opening an closing multiple files");
-    FILE * f1 = fopen("test.txt", "rw");
-    if (f1 == NULL) {
-        LOG_INFO(TAG, "File not found f1");
-        return 1;
-    } else {
-        LOG_INFO(TAG, "File found f1");
-    }
-    // Get the fileno
-    int fd = fileno(f1);
-    LOG_INFO(TAG, "File descriptor f1: %d", fd);
-
-    FILE * f2 = fopen("test.txt", "rw");
-    if (f2 == NULL) {
-        LOG_INFO(TAG, "File not found f2");
-        return 1;
-    } else {
-        LOG_INFO(TAG, "File found f2");
-    }
-    // Get the fileno
-    fd = fileno(f2);
-    LOG_INFO(TAG, "File descriptorf2: %d", fd);
-
-    LOG_INFO(TAG, "Closing f1");
-    fclose(f1);
-
-    FILE * f3 = fopen("test.txt", "rw");
-    if (f3 == NULL) {
-        LOG_INFO(TAG, "File not found f3");
-        return 1;
-    } else {
-        LOG_INFO(TAG, "File found f3");
-    }
-    // Get the fileno
-    fd = fileno(f3);
-    LOG_INFO(TAG, "File descriptor f3: %d", fd);
-
-    LOG_INFO(TAG, "Closing f2");
-    fclose(f2);
-
-    LOG_INFO(TAG, "Closing f3");
-    fclose(f3);
-
-    // Try opening a file multiple times, until it fails
-    int i = 0;
-    LOG_INFO(TAG, "Opening a file multiple times, until it fails");
-    while (1) {
-        f = fopen("test.txt", "rw");
-        LOG_INFO(TAG, "File descriptor: %d", fileno(f));
-        if (f == NULL) {
-            LOG_INFO(TAG, "File not found test.txt");
-            break;
-        } else {
-            LOG_INFO(TAG, "File found test.txt");
-        }
-        i++;
-    }
-    LOG_INFO(TAG, "File opened %d times", i);
-
-
   /* USER CODE END 2 */
   /* Infinite loop */
   /* USER CODE BEGIN WHILE */

project/STM32F746NGHX_FLASH.ld

@@ -46,6 +46,7 @@ MEMORY
 {
   RAM    (xrw)    : ORIGIN = 0x20000000,   LENGTH = 320K
   FLASH    (rx)    : ORIGIN = 0x8000000,   LENGTH = 1024K
+  QSPI    (xrw)    : ORIGIN = 0x90000000,   LENGTH = 16M
 }
 
 /* Sections */
@@ -182,4 +183,9 @@ SECTIONS
   }
 
   .ARM.attributes 0 : { *(.ARM.attributes) }
+
+  .ext_qspi_flash :
+  {
+    *(.ext_qspi_flash)
+  } >QSPI
 }