if it breaks, I’m in the mountains

Core/Inc/cp.h

@@ -0,0 +1,27 @@
+#ifndef __CP_H
+#define __CP_H
+
+#include "main.h"
+#include <stdint.h>
+
+#define DUTY_INVERT 0
+
+typedef enum {
+    EV_STATE_A_IDLE = 0,
+    EV_STATE_B_CONN_PREP = 1,
+    EV_STATE_C_CONN_ACTIVE = 2,
+    EV_STATE_D_CONN_ACT_VENT = 3,
+    EV_STATE_E_NO_POWER = 4,
+    EV_STATE_F_ERROR = 5,
+    EV_STATE_ACQUIRING = 6,
+} CP_State_t;
+
+void CP_Init(void);
+void CP_SetDuty(uint8_t percentage);
+uint8_t CP_GetDuty(void);
+int32_t CP_GetVoltage(void);
+CP_State_t CP_GetState(void);
+void CP_Loop(void);
+
+#endif
+