regular backup

code/l452_code/Core/Inc/buff.hpp

@@ -1,8 +1,9 @@
 #pragma once
 
-#include "packet.hpp"
-#include "usbd_cdc_if.h"
+#include "fatfs.h"
 #include "usart.h"
+#include "usbd_cdc_if.h"
+#include "packet.hpp"
 
 extern uint8_t databank1[1024];
 extern uint8_t databank2[1024];
@@ -10,6 +11,8 @@ extern uint16_t pos;
 
 volatile extern bool usb_ready;
 volatile extern bool wb1mmc_ready;
+volatile extern bool sd_ready;
+extern FIL file;
 
 // Every time we get a reading add to the active databank if it fits,
 // if not we switch banks and write out the now unactive databank
@@ -29,6 +32,12 @@ void write(packet_type packet) {
       HAL_UART_Transmit_DMA(&huart1, databank1, sizeof(databank1));
       wb1mmc_ready = false;
     }
+    if (sd_ready) {
+      UINT bytes_written;
+      FRESULT res = f_write(&file, databank1, sizeof(databank1), &bytes_written);
+      if (res != FR_OK || bytes_written != sizeof(databank1)) {}
+    }
+
     memset(databank2, 0, sizeof(databank2));
     pos = sizeof(databank1);
     return write(packet);
@@ -47,6 +56,11 @@ void write(packet_type packet) {
       HAL_UART_Transmit_DMA(&huart1, databank2, sizeof(databank2));
       wb1mmc_ready = false;
     }
+    if (sd_ready) {
+      UINT bytes_written;
+      FRESULT res = f_write(&file, databank2, sizeof(databank2), &bytes_written);
+      if (res != FR_OK || bytes_written != sizeof(databank2)) {}
+    }
     memset(databank1, 0, sizeof(databank1));
     pos = 0;
     return write(packet);

code/l452_code/Core/Inc/datadescriptor.hpp

@@ -1,2 +1,2 @@
 
-void data_description();
+void data_description(bool to_usb, bool to_file);

code/l452_code/Core/Inc/stm32l4xx_it.h

@@ -66,6 +66,8 @@ void SPI1_IRQHandler(void);
 void USART1_IRQHandler(void);
 void SDMMC1_IRQHandler(void);
 void TIM6_DAC_IRQHandler(void);
+void DMA2_Channel4_IRQHandler(void);
+void DMA2_Channel5_IRQHandler(void);
 void USB_IRQHandler(void);
 /* USER CODE BEGIN EFP */