Major feature implementation: Charging, balancing, precharge, RTCC

ChibiOS_16.1.4/ext/stdperiph_stm32f3/inc/stm32f30x_dma.h

@@ -35,7 +35,7 @@
 #endif
 
 /* Includes ------------------------------------------------------------------*/
-#include "stm32f30x.h"
+#include "stm32f3xx.h"
 
 /** @addtogroup STM32F30x_StdPeriph_Driver
   * @{

ChibiOS_16.1.4/ext/stdperiph_stm32f3/src/stm32f30x_dma.c

@@ -73,6 +73,10 @@
 /* Includes ------------------------------------------------------------------*/
 #include "stm32f30x_dma.h"
 
+#ifndef assert_param
+#define assert_param(expr) ((void)0)
+#endif
+
 /** @addtogroup STM32F30x_StdPeriph_Driver
   * @{
   */

ChibiOS_16.1.4/ext/stdperiph_stm32f3/stm32lib.mk

@@ -1,6 +1,7 @@
 # STM32F3 STDPERIPH files.
 STM32SRC = ${CHIBIOS}/ext/stdperiph_stm32f3/src/stm32f30x_flash.c \
 	${CHIBIOS}/ext/stdperiph_stm32f3/src/stm32f30x_tim.c \
-	${CHIBIOS}/ext/stdperiph_stm32f3/src/stm32f30x_rcc.c
+	${CHIBIOS}/ext/stdperiph_stm32f3/src/stm32f30x_rcc.c \
+	${CHIBIOS}/ext/stdperiph_stm32f3/src/stm32f30x_dma.c
 
 STM32INC = ${CHIBIOS}/ext/stdperiph_stm32f3/inc

Makefile

@@ -122,7 +122,7 @@ CSRC = $(STARTUPSRC) \
        $(TESTSRC) \
        $(CHIBIOS)/os/hal/lib/streams/memstreams.c \
        $(CHIBIOS)/os/hal/lib/streams/chprintf.c \
-       main.c gpio.c led_rgb.c ltc6803.c comm_usb.c comm_can.c packet.c console.c charger.c adc.c rtcc.c power.c current_monitor.c buzzer.c eeprom.c config.c accessory.c
+       main.c gpio.c led_rgb.c ltc6803.c comm_usb.c comm_can.c packet.c console.c charger.c analog.c rtcc.c power.c current_monitor.c buzzer.c eeprom.c config.c accessory.c ws2812b.c faults.c
 
 # C++ sources that can be compiled in ARM or THUMB mode depending on the global
 # setting.

accessory.c

@@ -1,20 +1,22 @@
 #include "accessory.h"
 #include "hw_conf.h"
 #include "power.h"
+#include "ws2812b.h"
 
 void accessory_init(void)
 {
     palSetPadMode(ACC1_GPIO, ACC1_PIN, PAL_MODE_OUTPUT_OPENDRAIN | PAL_STM32_OSPEED_MID1);
     palSetPad(ACC1_GPIO, ACC1_PIN);
-    palSetPadMode(ACC2_GPIO, ACC2_PIN, PAL_MODE_OUTPUT_OPENDRAIN | PAL_STM32_OSPEED_MID1);
-    palSetPad(ACC2_GPIO, ACC2_PIN);
+    palSetPadMode(ACC2_GPIO, ACC2_PIN, PAL_MODE_ALTERNATE(6));
+    ws2812b_init();
 }
 
 void accessory_update(void)
 {
     if (!power_is_shutdown())
     {
         palClearPad(ACC1_GPIO, ACC1_PIN);
+        ws2812b_set_all(0x00FF00);
     }
     else
     {

analog.c

@@ -0,0 +1,86 @@
+#include "analog.h"
+#include "hal.h"
+#include "hw_conf.h"
+#include "faults.h"
+#include <math.h>
+
+static const ADCConversionGroup adc3 = {
+    FALSE,
+    2,
+    NULL,
+    NULL,
+    0,                        /* CFGR    */
+    ADC_TR(0, 4095),          /* TR1     */
+    {                         /* SMPR[2] */
+        0,
+        0
+    },
+    {                         /* SQR[4]  */
+        ADC_SQR1_SQ1_N(CHG_SENSE_CHANNEL) | ADC_SQR1_SQ2_N(DSG_SENSE_CHANNEL),
+        0,
+        0,
+        0
+    }
+};
+
+static const ADCConversionGroup adc4 = {
+    FALSE,
+    1,
+    NULL,
+    NULL,
+    0,                        /* CFGR    */
+    ADC_TR(0, 4095),          /* TR1     */
+    {                         /* SMPR[2] */
+        0,
+        0
+    },
+    {                         /* SQR[4]  */
+        ADC_SQR1_SQ1_N(TEMP_SENSE_CHANNEL),
+        0,
+        0,
+        0
+    }
+};
+
+static volatile uint16_t charger_input_voltage;
+static volatile uint16_t thermistor;
+static volatile uint16_t discharge_voltage;
+
+void analog_init(void)
+{
+    adcStart(&ADCD3, NULL);
+    adcStart(&ADCD4, NULL);
+    adcsample_t samples[2];
+    adcConvert(&ADCD3, &adc3, samples, 1);
+    charger_input_voltage = samples[0];
+    discharge_voltage = samples[1];
+}
+
+void analog_update(void)
+{
+    adcsample_t samples3[2];
+    adcConvert(&ADCD3, &adc3, samples3, 1);
+    charger_input_voltage = samples3[0];
+    discharge_voltage = samples3[1];
+    adcsample_t samples4[1];
+    adcConvert(&ADCD4, &adc4, samples4, 1);
+    thermistor = samples4[0];
+    if (analog_temperature() > 100)
+        faults_set_fault(FAULT_BOARD_TEMP);
+}
+
+float analog_charger_input_voltage(void)
+{
+    return charger_input_voltage / 4095.0 * 3.3 * (39000.0 + 18000.0 + 4700.0) / 4700.0;
+}
+
+float analog_temperature(void)
+{
+    return (1.0 / ((logf(((4095.0 * 10000.0) / thermistor - 10000.0) / 10000.0) / 3434.0) + (1.0 / 298.15)) - 273.15);
+}
+
+float analog_discharge_voltage(void)
+{
+    return discharge_voltage * (3.3 / 4095.0) * (200000.0 + 100 + 2500 + 10000.0) / 10000.0;
+
+}

analog.h

@@ -0,0 +1,12 @@
+#ifndef _ANALOG_H_
+#define _ANALOG_H_
+
+#include "ch.h"
+
+void analog_init(void);
+void analog_update(void);
+float analog_charger_input_voltage(void);
+float analog_temperature(void);
+float analog_discharge_voltage(void);
+
+#endif /* _ANALOG_H_ */