fixed #401

firmware/console/status_loop.cpp

@@ -97,7 +97,8 @@ static void setWarningEnabled(int value) {
 }
 
 #if EFI_FILE_LOGGING || defined(__DOXYGEN__)
-static char FILE_LOGGER[1000] CCM_OPTIONAL;
+// this one needs to be in main ram so that SD card SPI DMA works fine
+static char FILE_LOGGER[1000] MAIN_RAM;
 static Logging fileLogger("file logger", FILE_LOGGER, sizeof(FILE_LOGGER));
 #endif /* EFI_FILE_LOGGING */
 

firmware/development/sensor_chart.cpp

@@ -13,7 +13,7 @@
 #if EFI_SENSOR_CHART || defined(__DOXYGEN__)
 #include "status_loop.h"
 
-static char LOGGING_BUFFER[5000];
+static char LOGGING_BUFFER[5000] CCM_OPTIONAL;
 static Logging logging("analog chart", LOGGING_BUFFER, sizeof(LOGGING_BUFFER));
 
 static int pendingData = false;

firmware/global.h

@@ -57,6 +57,15 @@ typedef unsigned int time_t;
 
 #define EFI_ERROR_CODE 0xffffffff
 
+#if EFI_USE_CCM && defined __GNUC__
+#define MAIN_RAM __attribute__((section(".ram0")))
+#elif defined __GNUC__
+#define MAIN_RAM
+#else
+#define MAIN_RAM @ ".ram0"
+#endif
+
+
 #if EFI_USE_CCM && defined __GNUC__
 #define CCM_OPTIONAL __attribute__((section(".ram4")))
 #elif defined __GNUC__