functional LED code, first untested implementation

Software/Core/Inc/scs_sdc.h

@@ -0,0 +1,51 @@
+#ifndef __SCS_SDC_H
+#define __SCS_SDC_H
+
+typedef enum { 
+    TS_INACTIVE,
+    TS_ACTIVE,
+    TS_PRECHARGE,
+    TS_DISCHARGE,
+    TS_ERROR,
+    TS_CHARGING_CHECK,
+    TS_CHARGING,
+} TSState;
+
+typedef struct {
+    TSState current_state;
+    TSState target_state;
+    uint16_t error_source; // TSErrorSource (bitmask)
+    uint16_t error_type;   // TSErrorKind
+} TSStateHandle;
+
+typedef enum {
+    IMD_STATE_UNKNOWN,
+    IMD_STATE_SHORTCIRCUIT_SUPPLY,
+    IMD_STATE_SHORTCIRCUIT_GND,
+    IMD_STATE_NORMAL,
+    IMD_STATE_UNDERVOLTAGE,
+    IMD_STATE_SST,
+    IMD_STATE_DEV_ERROR,
+    IMD_STATE_GND_FAULT,
+} IMDState;
+
+typedef struct {
+    int ok;
+
+    IMDState state;
+    uint32_t r_iso;
+
+    uint32_t freq;
+    uint32_t duty_cycle;
+    uint32_t last_high;
+} IMDData;
+
+extern TSStateHandle ts_state;
+
+extern IMDData imd_data;
+
+void error_led_init();
+void sdc_init();
+void ts_handle_ams_status(const uint8_t* data);
+
+#endif