mirror of https://github.com/rusefi/bldc.git
366 lines
9.9 KiB
C
366 lines
9.9 KiB
C
/*
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* conf_general.c
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*
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* Created on: 14 sep 2014
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* Author: benjamin
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*/
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#include "conf_general.h"
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#include "ch.h"
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#include "eeprom.h"
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#include "mcpwm.h"
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#include "hw.h"
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#include "utils.h"
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#include <string.h>
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// Default configuration file
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#ifdef MCCONF_OUTRUNNER1
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#include "mcconf_outrunner1.h"
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#elif defined MCCONF_OUTRUNNER2
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#include "mcconf_outrunner2.h"
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#elif defined MCCONF_OUTRUNNER_OR
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#include "mcconf_outrunner_or.h"
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#elif defined MCCONF_OUTRUNNER_BL
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#include "mcconf_outrunner_bl.h"
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#elif defined MCCONF_RCCAR1
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#include "mcconf_rccar1.h"
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#elif defined MCCONF_RCCAR2
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#include "mcconf_rccar2.h"
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#elif defined MCCONF_STEN
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#include "mcconf_sten.h"
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#elif defined MCCONF_GURGALOF
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#include "mcconf_gurgalof.h"
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#elif defined MCCONF_HDD
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#include "mcconf_hdd.h"
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#endif
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// Parameters that can be overridden
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#ifndef MCPWM_PWM_MODE
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#define MCPWM_PWM_MODE PWM_MODE_SYNCHRONOUS // Default PWM mode
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#endif
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#ifndef MCPWM_HALL_DIR
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#define MCPWM_HALL_DIR 0 // Hall sensor direction [0 or 1]
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#endif
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#ifndef MCPWM_HALL_FWD_ADD
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#define MCPWM_HALL_FWD_ADD 0 // Hall sensor offset fwd [0 to 5]
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#endif
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#ifndef MCPWM_HALL_REV_ADD
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#define MCPWM_HALL_REV_ADD 0 // Hall sensor offset rev [0 to 5]
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#endif
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#ifndef MCPWM_MIN_VOLTAGE
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#define MCPWM_MIN_VOLTAGE 8.0 // Minimum input voltage
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#endif
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#ifndef MCPWM_MAX_VOLTAGE
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#define MCPWM_MAX_VOLTAGE 50.0 // Maximum input voltage
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#endif
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#ifndef MCPWM_RPM_MAX
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#define MCPWM_RPM_MAX 100000.0 // The motor speed limit (Upper)
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#endif
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#ifndef MCPWM_RPM_MIN
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#define MCPWM_RPM_MIN -100000.0 // The motor speed limit (Lower)
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#endif
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#ifndef MCPWM_CURRENT_STARTUP_BOOST
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#define MCPWM_CURRENT_STARTUP_BOOST 0.01 // The lowest duty cycle to use in current control mode (has to be > MCPWM_MIN_DUTY_CYCLE)
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#endif
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#ifndef MCPWM_RPM_LIMIT_NEG_TORQUE
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#define MCPWM_RPM_LIMIT_NEG_TORQUE true // Use negative torque to limit the RPM
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#endif
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#ifndef MCPWM_CURR_MAX_RPM_FBRAKE
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#define MCPWM_CURR_MAX_RPM_FBRAKE 1500 // Maximum electrical RPM to use full brake at
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#endif
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#ifndef MCPWM_SLOW_ABS_OVERCURRENT
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#define MCPWM_SLOW_ABS_OVERCURRENT false // Use the filtered (and hence slower) current for the overcurrent fault detection
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#endif
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#ifndef MCPWM_COMM_MODE
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#define MCPWM_COMM_MODE COMM_MODE_INTEGRATE // The commutation mode to use
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#endif
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#ifndef MCPWM_CYCLE_INT_LIMIT_HIGH_FAC
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#define MCPWM_CYCLE_INT_LIMIT_HIGH_FAC 0.8 // Flux integrator limit percentage at MCPWM_CYCLE_INT_START_RPM_BR ERPM
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#endif
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#ifndef MCPWM_CYCLE_INT_START_RPM_BR
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#define MCPWM_CYCLE_INT_START_RPM_BR 80000.0 // RPM border between the START and LOW interval
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#endif
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#ifndef MCPWM_FAULT_STOP_TIME
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#define MCPWM_FAULT_STOP_TIME 3000 // Ignore commands for this duration in msec when faults occur
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#endif
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// EEPROM settings
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#define EEPROM_BASE_MCCONF 1000
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#define EEPROM_BASE_APPCONF 2000
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// Global variables
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uint16_t VirtAddVarTab[NB_OF_VAR];
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void conf_general_init(void) {
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// First, make sure that all relevant virtual addresses are assigned for page swapping.
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memset(VirtAddVarTab, 0, sizeof(VirtAddVarTab));
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int ind = 0;
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for (unsigned int i = 0;i < (sizeof(app_configuration) / 2);i++) {
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VirtAddVarTab[ind++] = EEPROM_BASE_MCCONF + i;
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}
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for (unsigned int i = 0;i < (sizeof(app_configuration) / 2);i++) {
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VirtAddVarTab[ind++] = EEPROM_BASE_APPCONF + i;
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}
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FLASH_Unlock();
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EE_Init();
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}
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/**
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* Read app_configuration from EEPROM. If this fails, default values will be used.
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*
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* @param conf
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* A pointer to a app_configuration struct to write the read configuration to.
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*/
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void conf_general_read_app_configuration(app_configuration *conf) {
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bool is_ok = true;
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uint8_t *conf_addr = (uint8_t*)conf;
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uint16_t var;
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for (unsigned int i = 0;i < (sizeof(app_configuration) / 2);i++) {
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if (EE_ReadVariable(EEPROM_BASE_APPCONF + i, &var) == 0) {
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conf_addr[2 * i] = (var >> 8) & 0xFF;
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conf_addr[2 * i + 1] = var & 0xFF;
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} else {
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is_ok = false;
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break;
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}
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}
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// Set the default configuration
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if (!is_ok) {
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memset(conf, 0, sizeof(app_configuration));
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conf->app_to_use = APP_NONE;
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conf->app_ppm_ctrl_type = PPM_CTRL_TYPE_CURRENT;
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conf->app_ppm_pid_max_erpm = 15000;
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conf->app_ppm_hyst = 0.15;
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conf->app_ppm_timeout = 1000.0;
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conf->app_ppm_pulse_start = 1.0;
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conf->app_ppm_pulse_width = 1.0;
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conf->app_uart_baudrate = 115200;
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conf->app_uart_timeout = 1000;
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}
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}
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/**
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* Write app_configuration to EEPROM.
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*
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* @param conf
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* A pointer to the configuration that should be stored.
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*/
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bool conf_general_store_app_configuration(app_configuration *conf) {
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mcpwm_release_motor();
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utils_sys_lock_cnt();
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_WWDG, DISABLE);
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bool is_ok = true;
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uint8_t *conf_addr = (uint8_t*)conf;
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uint16_t var;
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for (unsigned int i = 0;i < (sizeof(app_configuration) / 2);i++) {
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var = (conf_addr[2 * i] << 8) & 0xFF00;
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var |= conf_addr[2 * i + 1] & 0xFF;
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if (EE_WriteVariable(EEPROM_BASE_APPCONF + i, var) != FLASH_COMPLETE) {
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is_ok = false;
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break;
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}
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}
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_WWDG, ENABLE);
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utils_sys_unlock_cnt();
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return is_ok;
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}
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/**
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* Read mc_configuration from EEPROM. If this fails, default values will be used.
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*
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* @param conf
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* A pointer to a mc_configuration struct to write the read configuration to.
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*/
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void conf_general_read_mc_configuration(mc_configuration *conf) {
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bool is_ok = true;
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uint8_t *conf_addr = (uint8_t*)conf;
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uint16_t var;
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for (unsigned int i = 0;i < (sizeof(mc_configuration) / 2);i++) {
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if (EE_ReadVariable(EEPROM_BASE_MCCONF + i, &var) == 0) {
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conf_addr[2 * i] = (var >> 8) & 0xFF;
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conf_addr[2 * i + 1] = var & 0xFF;
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} else {
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is_ok = false;
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break;
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}
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}
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if (!is_ok) {
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conf->pwm_mode = MCPWM_PWM_MODE;
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conf->comm_mode = MCPWM_COMM_MODE;
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conf->l_current_max = MCPWM_CURRENT_MAX;
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conf->l_current_min = MCPWM_CURRENT_MIN;
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conf->l_in_current_max = MCPWM_IN_CURRENT_MAX;
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conf->l_in_current_min = MCPWM_IN_CURRENT_MIN;
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conf->l_abs_current_max = MCPWM_MAX_ABS_CURRENT;
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conf->l_min_erpm = MCPWM_RPM_MIN;
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conf->l_max_erpm = MCPWM_RPM_MAX;
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conf->l_max_erpm_fbrake = MCPWM_CURR_MAX_RPM_FBRAKE;
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conf->l_min_vin = MCPWM_MIN_VOLTAGE;
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conf->l_max_vin = MCPWM_MAX_VOLTAGE;
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conf->l_slow_abs_current = MCPWM_SLOW_ABS_OVERCURRENT;
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conf->l_rpm_lim_neg_torque = MCPWM_RPM_LIMIT_NEG_TORQUE;
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conf->sl_is_sensorless = MCPWM_IS_SENSORLESS;
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conf->sl_min_erpm = MCPWM_MIN_RPM;
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conf->sl_min_erpm_cycle_int_limit = MCPWM_CYCLE_INT_LIMIT_MIN_RPM;
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conf->sl_cycle_int_limit = MCPWM_CYCLE_INT_LIMIT;
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conf->sl_cycle_int_limit_high_fac = MCPWM_CYCLE_INT_LIMIT_HIGH_FAC;
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conf->sl_cycle_int_rpm_br = MCPWM_CYCLE_INT_START_RPM_BR;
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conf->sl_bemf_coupling_k = MCPWM_BEMF_INPUT_COUPLING_K;
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conf->hall_dir = MCPWM_HALL_DIR;
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conf->hall_fwd_add = MCPWM_HALL_FWD_ADD;
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conf->hall_rev_add = MCPWM_HALL_REV_ADD;
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conf->s_pid_kp = MCPWM_PID_KP;
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conf->s_pid_ki = MCPWM_PID_KI;
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conf->s_pid_kd = MCPWM_PID_KD;
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conf->s_pid_min_rpm = MCPWM_PID_MIN_RPM;
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conf->cc_startup_boost_duty = MCPWM_CURRENT_STARTUP_BOOST;
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conf->cc_min_current = MCPWM_CURRENT_CONTROL_MIN;
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conf->cc_gain = MCPWM_CURRENT_CONTROL_GAIN;
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conf->m_fault_stop_time_ms = MCPWM_FAULT_STOP_TIME;
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}
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}
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/**
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* Write mc_configuration to EEPROM.
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*
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* @param conf
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* A pointer to the configuration that should be stored.
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*/
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bool conf_general_store_mc_configuration(mc_configuration *conf) {
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mcpwm_release_motor();
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utils_sys_lock_cnt();
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_WWDG, DISABLE);
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bool is_ok = true;
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uint8_t *conf_addr = (uint8_t*)conf;
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uint16_t var;
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for (unsigned int i = 0;i < (sizeof(mc_configuration) / 2);i++) {
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var = (conf_addr[2 * i] << 8) & 0xFF00;
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var |= conf_addr[2 * i + 1] & 0xFF;
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if (EE_WriteVariable(EEPROM_BASE_MCCONF + i, var) != FLASH_COMPLETE) {
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is_ok = false;
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break;
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}
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}
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_WWDG, ENABLE);
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utils_sys_unlock_cnt();
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return is_ok;
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}
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bool conf_general_detect_motor_param(float current, float min_rpm, float low_duty,
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float *int_limit, float *bemf_coupling_k) {
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int ok_steps = 0;
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mc_configuration mcconf = *mcpwm_get_configuration();
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mcpwm_set_min_rpm(min_rpm);
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mcpwm_set_comm_mode(COMM_MODE_DELAY);
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mcpwm_set_current(current);
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// Spin up the motor
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for (int i = 0;i < 5000;i++) {
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if (mcpwm_get_duty_cycle_now() < 0.6) {
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chThdSleepMilliseconds(1);
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} else {
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ok_steps++;
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break;
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}
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}
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// Release the motor and wait a few commutations
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mcpwm_set_current(0.0);
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int tacho = mcpwm_get_tachometer_value(0);
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for (int i = 0;i < 2000;i++) {
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if ((mcpwm_get_tachometer_value(0) - tacho) < 3) {
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chThdSleepMilliseconds(1);
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} else {
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ok_steps++;
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break;
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}
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}
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// Average the cycle integrator for 50 commutations
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mcpwm_read_reset_avg_cycle_integrator();
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tacho = mcpwm_get_tachometer_value(0);
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for (int i = 0;i < 3000;i++) {
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if ((mcpwm_get_tachometer_value(0) - tacho) < 50) {
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chThdSleepMilliseconds(1);
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} else {
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ok_steps++;
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break;
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}
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}
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*int_limit = mcpwm_read_reset_avg_cycle_integrator();
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// Wait for the motor to slow down
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for (int i = 0;i < 5000;i++) {
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if (mcpwm_get_duty_cycle_now() > low_duty) {
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chThdSleepMilliseconds(1);
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} else {
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ok_steps++;
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break;
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}
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}
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mcpwm_set_duty(low_duty);
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// Average the cycle integrator for 100 commutations
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mcpwm_read_reset_avg_cycle_integrator();
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tacho = mcpwm_get_tachometer_value(0);
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float rpm_sum = 0.0;
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float rpm_iterations = 0.0;
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for (int i = 0;i < 3000;i++) {
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if ((mcpwm_get_tachometer_value(0) - tacho) < 100) {
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rpm_sum += mcpwm_get_rpm();
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rpm_iterations += 1;
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chThdSleepMilliseconds(1);
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} else {
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ok_steps++;
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break;
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}
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}
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float avg_cycle_integrator_running = mcpwm_read_reset_avg_cycle_integrator();
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float rpm = rpm_sum / rpm_iterations;
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mcpwm_set_current(0.0);
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// Try to figure out the coupling factor
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avg_cycle_integrator_running -= *int_limit;
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avg_cycle_integrator_running /= (float)ADC_Value[ADC_IND_VIN_SENS];
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avg_cycle_integrator_running *= rpm;
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*bemf_coupling_k = avg_cycle_integrator_running;
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// Restore settings
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mcpwm_set_comm_mode(mcconf.comm_mode);
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mcpwm_set_min_rpm(mcconf.sl_min_erpm);
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return ok_steps == 5 ? true : false;
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}
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