fixed sd_logger

Application/BSP/BSP_POWER.c

@@ -10,7 +10,7 @@
 #include "cmsis_os2.h"
 #include "BSP_GPIO.h"
 #include "BSP_ADC.h"
-
+#include "BSP_SDLogger.h"
 #define LPTIM_CLK 500     // Hz
 #define SLEEP_TICK_TIME 1  // seconds to wait
 #define STAY_AWAKE_TIME 60 // seconds to stay awake without K15
@@ -52,6 +52,8 @@ void BSP_POWER_WakeUp() {
 */
 void BSP_POWER_EnterStandby() {
 
+    BSP_SDLogger_Flush();
+
     // stop the sytem interrupts
     __disable_irq();
 

Application/BSP/BSP_SDLogger.c

@@ -4,7 +4,7 @@
 #include "stdio.h"
 #include "string.h"
 
-uint8_t block_buffer[512] = {0};
+uint8_t block_buffer[2048] = {0};
 size_t block_buffer_index = 0;
 char file_name[20];
 
@@ -41,7 +41,7 @@ void BSP_SDLogger_Flush() {
     
         // open the file
         FIL file;
-        FRESULT res = f_open(&file, file_name, FA_WRITE);
+        FRESULT res = f_open(&file, file_name, FA_OPEN_APPEND | FA_WRITE );
         if (res != FR_OK) {
             ULOG_ERROR("Failed to open file %s", file_name);
         }
@@ -75,6 +75,7 @@ void  BSP_SDLogger_Write(char *data, size_t length) {
     if (length > remaining_size) {
         // write the remaining space to the buffer
         memcpy(&block_buffer[block_buffer_index], data, remaining_size);
+        block_buffer_index += remaining_size;
         // write the buffer to the file
         BSP_SDLogger_Flush();
         // write the remaining data to the buffer

Application/BSP/BSP_SDLogger.h

@@ -9,4 +9,6 @@
 void BSP_SDLogger_Init(int log_number);
 
 
-void BSP_SDLogger_Write(char *data, size_t length);
+void BSP_SDLogger_Write(char *data, size_t length);
+
+void BSP_SDLogger_Flush();