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implemented current and voltage monitoring (currently NOT tested)

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This commit is contained in:
Janek Herm
2025-03-13 21:08:45 +01:00
parent f57eb4ccf4
commit 26aa408e96
11 changed files with 9977 additions and 9746 deletions
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6
Software/Code/Core/Inc/can_communication.h
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@ -10,16 +10,16 @@
#include "channel_control.h"
#include "can_halal.h"
//#include "current_monitoring.h"
#include "current_monitoring.h"
#define RX_STATUS_HEARTBEAT 0xC7 // IDs of all CAN-packages (may be other IDs next year)
#define RX_STATUS_MSG_ID 0xC8 // TODO: check new IDs
#define RX_STATUS_MSG_ID 0xC8
#define TX_STATUS_MSG_ID 0xC9
#define CUR_CHANNELS_1_ID 0xCA
#define CUR_CHANNELS_2_ID 0xCB
#define CUR_CHANNELS_3_ID 0xCC
#define CUR_CHANNELS_4_ID 0xCD
#define LV_SENS_ID 0xCE
//#define LV_SENS_ID 0xCE // not used
typedef struct { // TODO: add error-codes
enable_gpios iostatus;

51
Software/Code/Core/Inc/current_monitoring.h Normal file
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@ -0,0 +1,51 @@
/*
* current_monitoring.h
*
* Created on: Mar 13, 2025
* Author: janek
*/
#ifndef INC_CURRENT_MONITORING_H_
#define INC_CURRENT_MONITORING_H_
#include "stm32f3xx_hal.h"
// convert ADC quants to V
#define ADC_V_FACTOR (3.3f / 4096) // 3.3V / 12bit
// scale to LV by divider to mV
#define LV_SENSE_FACTOR (1e3 * (ADC_V_FACTOR * ((12.f + 1.8f) / 1.8f)))
#define PC_VSENSE_FACTOR (1e3 * (ADC_V_FACTOR * ((100.f + 10.f) / 10.f)));
// convert ADC quants to I_S in mA
#define CURR_SENSE_IS_FACTOR_9A (ADC_V_FACTOR / 1.2f) // 3.3V / 12bit / 1.2kOhm
#define CURR_SENSE_IS_FACTOR_4_5A (ADC_V_FACTOR / 1.f)
#define CURR_SENSE_IS_FACTOR_1A (ADC_V_FACTOR / 4.f)
// convert ADC quants to I_L in mA
#define CURR_SENSE_FACTOR_1A (300 * CURR_SENSE_IS_FACTOR) // typical current sense ratio (datasheet PROFET)
#define CURR_SENSE_FACTOR_4_5A (1500 * CURR_SENSE_IS_FACTOR)
#define CURR_SENSE_FACTOR_9A (3900 * CURR_SENSE_IS_FACTOR)
typedef struct {
uint16_t acc_cooling;
uint16_t ts_cooling;
uint16_t drs;
uint16_t acu;
uint16_t epsc;
uint16_t inverter;
uint16_t lidar;
uint16_t misc;
uint16_t alwayson;
uint16_t sdc;
uint16_t ebs1;
uint16_t ebs2;
uint16_t ebs3;
uint16_t epsc_precharge;
uint16_t lvms_v;
uint16_t asms_v;
} current_measurements;
void current_monitor_init(ADC_HandleTypeDef* hadc1, ADC_HandleTypeDef* hadc2, TIM_HandleTypeDef* trigtim);
uint8_t current_monitor_checklimits();
#endif /* INC_CURRENT_MONITORING_H_ */