copy files over from slave

Core/Inc/errors.h

@@ -0,0 +1,41 @@
+#ifndef INC_ERRORS_H
+#define INC_ERRORS_H
+
+#include <stdint.h>
+
+#define ERROR_SOURCE_VOLTAGES                     (1 << 0)
+#define ERROR_SOURCE_TEMPERATURES                 (1 << 1)
+#define ERROR_SOURCE_TOO_FEW_WORKING_TEMP_SENSORS (1 << 2)
+#define ERROR_SOURCE_OPEN_CELL_CONNECTION         (1 << 3)
+#define ERROR_SOURCE_EEPROM                       (1 << 4)
+#define ERROR_SOURCE_INTERNAL                     (1 << 5)
+
+#define ERROR_TIME_THRESH 150 // ms
+
+typedef enum {
+  SEK_OVERTEMP = 0x0,
+  SEK_UNDERTEMP = 0x1,
+  SEK_OVERVOLT = 0x2,
+  SEK_UNDERVOLT = 0x3,
+  SEK_TOO_FEW_TEMPS = 0x4,
+  SEK_OPENWIRE = 0x5,
+  SEK_EEPROM_ERR = 0x6,
+  SEK_INTERNAL_BMS_TIMEOUT = 0x7,
+  SEK_INTERNAL_BMS_CHECKSUM_FAIL = 0x8,
+  SEK_INTERNAL_BMS_OVERTEMP = 0x9,
+  SEK_INTERNAL_BMS_FAULT = 0xA,
+} SlaveErrorKind;
+
+typedef struct {
+  int error_sources;
+  SlaveErrorKind data_kind;
+  uint8_t data[4];
+  uint32_t errors_since;
+} SlaveErrorData;
+
+extern SlaveErrorData error_data;
+
+void set_error_source(int source);
+void clear_error_source(int source);
+
+#endif // INC_ERRORS_H