brake fixes

Author: ZacharyBer

PCU/Core/User/Inc/FEB_PINOUT.h

@@ -151,16 +151,16 @@ extern "C"
 #define APPS_PLAUSIBILITY_TOLERANCE 10    /* Maximum deviation between sensors (%) */
 
 /* Brake Pressure Sensor Default Calibration — per-sensor, sensor-side mV
- * (i.e. before the 2:1 PCB divider; FEB_ADC_GetBrakePressureNVoltage()
+ * (i.e. before the 5V->3.3V PCB divider; FEB_ADC_GetBrakePressureNVoltage()
  * already multiplies by VOLTAGE_DIVIDER_RATIO_BRAKE to give sensor-side V). */
-#define BRAKE_PRESSURE_1_MIN_MV 720                         /* Sensor 1 @ 0% brake: 0.720 V (measured 2026-05-30) */
-#define BRAKE_PRESSURE_1_MAX_MV 1473                        /* Sensor 1 @ 100% brake: 1.473 V (measured 2026-05-30) */
-#define BRAKE_PRESSURE_2_MIN_MV 633                         /* Sensor 2 @ 0% brake: 0.633 V (measured 2026-05-30) */
-#define BRAKE_PRESSURE_2_MAX_MV 1165                        /* Sensor 2 @ 100% brake: 1.165 V (measured 2026-05-30) */
-#define BRAKE_PRESSURE_MIN_PHYSICAL_BAR 0.0f                /* Physical minimum: 0 bar */
-#define BRAKE_PRESSURE_MAX_PHYSICAL_BAR 200.0f              /* Physical maximum: 200 bar */
-#define BRAKE_PRESSURE_THRESHOLD_BAR 5                      /* Brake activation threshold */
-#define BRAKE_PRESSURE_THRESHOLD_PERCENT 2.5f               /* Brake activation threshold in percent */
+#define BRAKE_PRESSURE_1_MIN_MV 545            /* Sensor 1 @ 0% brake: 0.545 V sensor-side (5/3.3 divider) */
+#define BRAKE_PRESSURE_1_MAX_MV 1116           /* Sensor 1 @ 100% brake: 1.116 V sensor-side (5/3.3 divider) */
+#define BRAKE_PRESSURE_2_MIN_MV 480            /* Sensor 2 @ 0% brake: 0.480 V sensor-side (5/3.3 divider) */
+#define BRAKE_PRESSURE_2_MAX_MV 883            /* Sensor 2 @ 100% brake: 0.883 V sensor-side (5/3.3 divider) */
+#define BRAKE_PRESSURE_MIN_PHYSICAL_BAR 0.0f   /* Physical minimum: 0 bar */
+#define BRAKE_PRESSURE_MAX_PHYSICAL_BAR 200.0f /* Physical maximum: 200 bar */
+#define BRAKE_PRESSURE_THRESHOLD_BAR 5         /* Brake activation threshold */
+#define BRAKE_PRESSURE_THRESHOLD_PERCENT 2.5f  /* Brake activation threshold in percent */
 #define BRAKE_PRESSURE_PLAUSIBILITY_TOLERANCE_PERCENT 20.0f /* Max disagreement between brake pressure sensors */
 
 /* Brake Input/Switch Calibration */

PCU/Core/User/Src/FEB_ADC.c

@@ -158,10 +158,10 @@ static ADC_CalibrationTypeDef brake_pressure2_calibration = {
     .max_physical = BRAKE_PRESSURE_MAX_PHYSICAL_BAR, /* Physical: 200 bar */
     .inverted = false};
 
-#define VOLTAGE_DIVIDER_RATIO (5.0f / 3.3f) /* shutdown, current sense, pre-timing trip */
-#define VOLTAGE_DIVIDER_RATIO_BRAKE 2.0f    /* brake pressure: 2:1 PCB divider */
-#define VOLTAGE_DIVIDER_RATIO_ACCEL1 1.168f /* APPS1: k=0.856 measured (2.16V→1.849V at ADC) */
-#define VOLTAGE_DIVIDER_RATIO_ACCEL2 1.0f   /* APPS2: direct connection, no resistor divider */
+#define VOLTAGE_DIVIDER_RATIO (5.0f / 3.3f)       /* shutdown, current sense, pre-timing trip */
+#define VOLTAGE_DIVIDER_RATIO_BRAKE (5.0f / 3.3f) /* brake: 5V->3.3V PCB divider */
+#define VOLTAGE_DIVIDER_RATIO_ACCEL1 1.168f       /* APPS1: k=0.856 measured (2.16V→1.849V at ADC) */
+#define VOLTAGE_DIVIDER_RATIO_ACCEL2 1.0f         /* APPS2: direct connection, no resistor divider */
 
 /* Private function prototypes -----------------------------------------------*/
 static uint16_t GetAveragedADCValue(ADC_HandleTypeDef *hadc, uint32_t channel, uint8_t samples);

PCU/VERSION

@@ -1 +1 @@
-1.7.2
+1.7.3

VERSION

@@ -1 +1 @@
-1.7.2
+1.7.3