Simple sd card driver (#162)

* fixed inline functions for modern C standart * more stack for application * added library * init fatfs library * fatfs example application * Merge with current master * fix typo and delete old files * cmsis os 2 reentrance fix * Reworked dependency wait to support multiple dependency * Build FatFS on local target, syscall.c is target-specific. * run local target ok * testcase for fatfs Co-authored-by: aanper <mail@s3f.ru>
2020-10-09 00:37:19 +10:00
parent 2ab6f82ddf
commit 59513b05ee
43 changed files with 41377 additions and 39 deletions
--- a/applications/examples/fatfs_list.c
+++ b/applications/examples/fatfs_list.c
@@ -0,0 +1,169 @@
+#include "u8g2/u8g2.h"
+#include "fatfs/ff.h"
+#include "flipper.h"
+#include <stdio.h>
+
+// TODO currently we have small stack, so it will be static
+FuriRecordSubscriber* furi_log;
+#define STR_BUFFER_SIZE 128
+char str_buffer[STR_BUFFER_SIZE];
+uint8_t line_current = 0;
+uint16_t line_position = 0;
+
+// TODO this should be in the target driver
+FATFS SD_FatFs;
+char SD_Path[4];
+
+typedef enum {
+    EventTypeStart,
+    EventTypeKey,
+} AppEventType;
+
+typedef struct {
+    union {
+        InputEvent input;
+    } value;
+    AppEventType type;
+} AppEvent;
+
+static void event_cb(const void* value, size_t size, void* ctx) {
+    QueueHandle_t event_queue = (QueueHandle_t)ctx;
+
+    AppEvent event;
+    event.type = EventTypeKey;
+    event.value.input = *(InputEvent*)value;
+    xQueueSend(event_queue, (void*)&event, 0);
+}
+
+void fatfs_list(void* p) {
+    const uint8_t line_size = 10;
+    const uint8_t lines_on_display = 6;
+
+    uint8_t bsp_result;
+    FRESULT result;
+    DIR dir;
+    FILINFO fno;
+    AppEvent event;
+
+    QueueHandle_t event_queue = xQueueCreate(2, sizeof(AppEvent));
+
+    furi_log = get_default_log();
+
+    FuriRecordSubscriber* fb_record = furi_open("u8g2_fb", false, false, NULL, NULL, NULL);
+    if(fb_record == NULL) {
+        fuprintf(furi_log, "[widget][fatfs_list] cannot create fb record\n");
+        furiac_exit(NULL);
+    }
+
+    FuriRecordSubscriber* event_record =
+        furi_open("input_events", false, false, event_cb, NULL, event_queue);
+    if(event_record == NULL) {
+        fuprintf(furi_log, "[widget][fatfs_list] cannot register input_events callback\n");
+        furiac_exit(NULL);
+    }
+
+    // clear display
+    u8g2_t* fb = furi_take(fb_record);
+    u8g2_ClearBuffer(fb);
+    furi_commit(fb_record);
+
+    // TODO these lines should be executed in the target driver
+    // so i dont fix "implicit declaration of function 'BSP_SD_Init'"
+    bsp_result = BSP_SD_Init();
+
+    if(bsp_result != 0) {
+        furi_take(fb_record);
+
+        u8g2_SetFont(fb, u8g2_font_6x10_mf);
+        u8g2_SetDrawColor(fb, 1);
+        u8g2_SetFontMode(fb, 1);
+        u8g2_DrawStr(fb, 0, 12, "SD card init error");
+
+        furi_commit(fb_record);
+        furiac_exit(NULL);
+    }
+
+    result = f_mount(&SD_FatFs, (TCHAR const*)SD_Path, 1);
+
+    if(result != FR_OK) {
+        furi_take(fb_record);
+
+        u8g2_SetFont(fb, u8g2_font_6x10_mf);
+        u8g2_SetDrawColor(fb, 1);
+        u8g2_SetFontMode(fb, 1);
+        u8g2_DrawStr(fb, 0, 12, "SD card mount error");
+
+        furi_commit(fb_record);
+        furiac_exit(NULL);
+    }
+
+    // ok, now we can work with sd card
+
+    // send start event
+    event.type = EventTypeStart;
+    xQueueSend(event_queue, (void*)&event, 0);
+
+    while(1) {
+        if(xQueueReceive(event_queue, (void*)&event, portMAX_DELAY)) {
+
+            // process buttons event
+            if(event.type == EventTypeKey) {
+                // button pressed
+                if(event.value.input.state == true) {
+                    if(event.value.input.input == InputUp && line_position > 0) {
+                        line_position--;
+                    }
+                    if(event.value.input.input == InputDown) {
+                        line_position++;
+                    }
+                }
+            }
+
+            // get display and draw
+            furi_take(fb_record);
+            u8g2_ClearBuffer(fb);
+            u8g2_SetFont(fb, u8g2_font_6x10_mf);
+            u8g2_SetDrawColor(fb, 1);
+            u8g2_SetFontMode(fb, 1);
+            line_current = 1;
+
+            // open root dir
+            result = f_opendir(&dir, "");
+
+            while(1) {
+                // read a directory item
+                result = f_readdir(&dir, &fno);
+
+                if(result != FR_OK) {
+                    // cannot read dir
+                    break;
+                }
+
+                if(fno.fname[0] == 0) {
+                    // Break on end of dir
+                    break;
+                }
+
+                // draw files on display
+                if(line_current > line_position &&
+                   line_current <= (line_position + lines_on_display)) {
+                    if(fno.fattrib & AM_DIR) {
+                        snprintf(str_buffer, STR_BUFFER_SIZE, "DIR %s\n", fno.fname);
+                    } else {
+                        snprintf(str_buffer, STR_BUFFER_SIZE, "FIL %s\n", fno.fname);
+                    }
+
+                    u8g2_DrawStr(fb, 0, line_size * (line_current - line_position), str_buffer);
+                }
+
+                line_current++;
+            }
+
+            result = f_closedir(&dir);
+
+            furi_commit(fb_record);
+        }
+    }
+
+    furiac_exit(NULL);
+}