i somehow didn't commit the new code whoops

Core/Inc/pdu.h

@@ -25,15 +25,16 @@ int8_t write_fan_battbox(pdu_t* pdu, bool status);
 
 /* Function to Read the Status of Fuses from PDU */
 typedef enum {
-	FUSE_PUMP,
-	FUSE_FAN_RADIATOR,
-	FUSE_FAN_BATTBOX,
-	FUSE_MC,
-	FUSE_LVBOX,
-	FUSE_DASHBOARD,
-	FUSE_BRAKELIGHT,
-	FUSE_BRB,
-	MAX_FUSES
+    FUSE_BATTBOX = 4,
+    FUSE_LVBOX = 5,
+    FUSE_FAN_RADIATOR = 6,
+    FUSE_MC = 7,
+    FUSE_FAN_BATTBOX =  8,
+	FUSE_PUMP = 9,
+	FUSE_DASHBOARD = 10,
+	FUSE_BRAKELIGHT = 11,
+	FUSE_BRB = 12,
+	MAX_FUSES = 9
 } fuse_t;
 
 int8_t read_fuse(pdu_t* pdu, fuse_t fuse, bool* status);
@@ -42,17 +43,18 @@ int8_t read_tsms_sense(pdu_t* pdu, bool* status);
 
 /* Functions to Read Status of Various Stages of Shutdown Loop */
 typedef enum {
-	CKPT_BRB_CLR,	/* Cockpit BRB */
-	SIDE_BRB_CLR,	/* Side BRB */
-	INTERTIA_SW_OK, /* Inertia Switch */
-	BOTS_OK,		/* Brake Over Travel Switch */
-	BPSD_OK,		/* Brake System Plausbility Device */
-	IMD_OK,			/* Insulation Monitoring Device */
-	BMS_OK,			/* Battery Management System (Shepherd) */
-	TSMS,			/* Tractive System Main Switch */
-	HVD_INTLK_OK,	/* HVD Interlock */
-	HVC_INTLK_OK,	/* HV C Interlock*/
-	MAX_SHUTDOWN_STAGES
+	CKPT_BRB_CLR = 0,	/* Cockpit BRB */
+    BMS_OK = 2,			/* Battery Management System (Shepherd) */
+    INTERTIA_SW_OK = 3, /* Inertia Switch */
+    SPARE_GPIO1_OK = 4,
+    IMD_OK = 5,			/* Insulation Monitoring Device */
+    BPSD_OK = 8,		/* Brake System Plausbility Device */
+	BOTS_OK = 13,		/* Brake Over Travel Switch */
+	HVD_INTLK_OK = 14,	/* HVD Interlock */
+	HVC_INTLK_OK = 15,	/* HV C Interlock*/
+    SIDE_BRB_CLR,	/* Side BRB */
+    TSMS,			/* Tractive System Main Switch */
+	MAX_SHUTDOWN_STAGES = 9
 } shutdown_stage_t;
 
 int8_t read_shutdown(pdu_t* pdu, shutdown_stage_t stage, bool* status);

Core/Src/pdu.c

@@ -33,6 +33,7 @@ pdu_t* init_pdu(I2C_HandleTypeDef* hi2c)
 
 	/* Initialize Control GPIO Expander */
 	pdu->ctrl_expander = malloc(sizeof(max7314_t));
+    pdu->ctrl_expander->dev_addr = 0x24;
 	assert(pdu->ctrl_expander);
 	if (max7314_init(pdu->ctrl_expander, pdu->hi2c)) {
 	   free(pdu->ctrl_expander);
@@ -69,7 +70,7 @@ int8_t write_pump(pdu_t* pdu, bool status)
 		return stat;
 
 	// write pump over i2c
-    max7314_set_pin_state(pdu->ctrl_expander, PUMP_CTRL, (max7314_pin_states_t) status);
+    max7314_set_pin_state(pdu->ctrl_expander, PUMP_CTRL, status);
 
 	osMutexRelease(pdu->mutex);
 	return 0;
@@ -85,7 +86,7 @@ int8_t write_fan_radiator(pdu_t* pdu, bool status)
 		return stat;
 
 	// write radiator over i2c
-    max7314_set_pin_state(pdu->ctrl_expander, RADFAN_CTRL, (max7314_pin_states_t) status);
+    max7314_set_pin_state(pdu->ctrl_expander, RADFAN_CTRL, status);
 
 	osMutexRelease(pdu->mutex);
 	return 0;
@@ -101,7 +102,7 @@ int8_t write_brakelight(pdu_t* pdu, bool status)
 		return stat;
 
 	// write brakelight over i2c
-    max7314_set_pin_state(pdu->ctrl_expander, BRKLIGHT_CTRL, (max7314_pin_states_t) status);
+    max7314_set_pin_state(pdu->ctrl_expander, BRKLIGHT_CTRL, status);
 
 	osMutexRelease(pdu->mutex);
 	return 0;
@@ -117,7 +118,7 @@ int8_t write_fan_battbox(pdu_t* pdu, bool status)
 		return stat;
 
 	// write fan over i2c
-    max7314_set_pin_state(pdu->ctrl_expander, BATBOXFAN_CTRL, (max7314_pin_states_t) status);
+    max7314_set_pin_state(pdu->ctrl_expander, BATBOXFAN_CTRL, status);
 
 	osMutexRelease(pdu->mutex);
 	return 0;
@@ -132,8 +133,8 @@ int8_t read_fuse(pdu_t* pdu, fuse_t fuse, bool* status)
 	if (stat)
 		return stat;
 
-	// figure out which fuse to use
 	// write fan over i2c
+    max7314_read_pin_state(pdu->ctrl_expander, fuse, status);
 
 	osMutexRelease(pdu->mutex);
 	return 0;
@@ -149,6 +150,8 @@ int8_t read_tsms_sense(pdu_t* pdu, bool* status)
 		return stat;
 
 	// read pin over i2c
+    uint8_t tsms_pin = 14;
+    max7314_read_pin_state(pdu->ctrl_expander, tsms_pin, status);
 
 	osMutexRelease(pdu->mutex);
 	return 0;
@@ -163,8 +166,8 @@ int8_t read_shutdown(pdu_t* pdu, shutdown_stage_t stage, bool* status)
 	if (stat)
 		return stat;
 
-	// figure out which pin to read
 	// read pin over i2c
+    max7314_read_pin_state(pdu->ctrl_expander, stage, status);
 
 	osMutexRelease(pdu->mutex);
 	return 0;