zaske/BA_DIY_Power_PCB
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der_zaske
2025-02-09 09:12:42 +01:00
parent b48361f32d
commit 9765609596
12 changed files with 515 additions and 91 deletions
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176
main/mcpwm.c
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@@ -25,15 +25,69 @@ static mcpwm_gen_handle_t generator_U_LIN = NULL;
static mcpwm_gen_handle_t generator_V_LIN = NULL;
static mcpwm_gen_handle_t generator_W_LIN = NULL;
static Phase HighsidePhase;
static Phase LowsidePhase;
static Phase InactivePhase;
typedef enum {
Highside,
Lowside,
OFF
} Phase_state;
typedef struct {
Phase phase;
Phase_state state;
} PhaseConfiguration;
PhaseConfiguration phase_configurations[3] = {
{ PHASE_U, Highside },
{ PHASE_V, Lowside },
{ PHASE_W, OFF }
};
uint16_t mcpwm_frequency = CONFIG_FREQ_PWM;
uint32_t periode_ticks = CONFIG_TIMER_BASE_FREQ/CONFIG_FREQ_PWM;
float duty = CONFIG_DUTY_PWM;
/*############################################*/
/*############### MCPWM-Setup ################*/
/*############################################*/
static void conf_gens(){
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_U_HIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_UP, comperator_U, MCPWM_GEN_ACTION_LOW)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_U_HIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_DOWN, comperator_U, MCPWM_GEN_ACTION_HIGH)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_U_LIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_UP, comperator_U, MCPWM_GEN_ACTION_LOW)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_U_LIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_DOWN, comperator_U, MCPWM_GEN_ACTION_HIGH)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_V_HIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_UP, comperator_V, MCPWM_GEN_ACTION_LOW)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_V_HIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_DOWN, comperator_V, MCPWM_GEN_ACTION_HIGH)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_V_LIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_UP, comperator_V, MCPWM_GEN_ACTION_LOW)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_V_LIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_DOWN, comperator_V, MCPWM_GEN_ACTION_HIGH)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_W_HIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_UP, comperator_W, MCPWM_GEN_ACTION_LOW)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_W_HIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_DOWN, comperator_W, MCPWM_GEN_ACTION_HIGH)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_W_LIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_UP, comperator_W, MCPWM_GEN_ACTION_LOW)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_W_LIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_DOWN, comperator_W, MCPWM_GEN_ACTION_HIGH)));
}
esp_err_t set_mcpwm_duty(float new_duty){
if (timer_U == NULL) {
return ESP_ERR_INVALID_STATE; // Fehlerbehandlung, wenn mcpwm nicht initialisiert wurde
}
duty = new_duty;
ESP_ERROR_CHECK(mcpwm_comparator_set_compare_value(comperator_U, (periode_ticks*duty/100)/2));
ESP_ERROR_CHECK(mcpwm_comparator_set_compare_value(comperator_V, (periode_ticks*duty/100)/2));
ESP_ERROR_CHECK(mcpwm_comparator_set_compare_value(comperator_W, (periode_ticks*duty/100)/2));
return ESP_OK;
}
void stop_mcpwm_output(){
ESP_ERROR_CHECK(mcpwm_generator_set_force_level(generator_U_HIN, 0,true));
ESP_ERROR_CHECK(mcpwm_generator_set_force_level(generator_U_LIN, 1,true));
ESP_ERROR_CHECK(mcpwm_generator_set_force_level(generator_V_HIN, 0,true));
ESP_ERROR_CHECK(mcpwm_generator_set_force_level(generator_V_LIN, 1,true));
ESP_ERROR_CHECK(mcpwm_generator_set_force_level(generator_W_HIN, 0,true));
ESP_ERROR_CHECK(mcpwm_generator_set_force_level(generator_W_LIN, 1,true));
}
void mcpwm_init(){
ESP_LOGI("MCPWM","started");
double tick_period_ns = 1e9 / CONFIG_TIMER_BASE_FREQ; // Zeit pro Tick in ns
@@ -175,30 +229,12 @@ void mcpwm_init(){
ESP_ERROR_CHECK(mcpwm_generator_set_dead_time(generator_V_HIN, generator_V_LIN, &deadtime_config));
ESP_ERROR_CHECK(mcpwm_generator_set_dead_time(generator_W_HIN, generator_W_LIN, &deadtime_config));
conf_gens();
stop_mcpwm_output();
set_mcpwm_duty(duty);
}
static void conf_gens(){
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_U_HIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_UP, comperator_U, MCPWM_GEN_ACTION_LOW)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_U_HIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_DOWN, comperator_U, MCPWM_GEN_ACTION_HIGH)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_U_LIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_UP, comperator_U, MCPWM_GEN_ACTION_LOW)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_U_LIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_DOWN, comperator_U, MCPWM_GEN_ACTION_HIGH)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_V_HIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_UP, comperator_V, MCPWM_GEN_ACTION_LOW)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_V_HIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_DOWN, comperator_V, MCPWM_GEN_ACTION_HIGH)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_V_LIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_UP, comperator_V, MCPWM_GEN_ACTION_LOW)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_V_LIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_DOWN, comperator_V, MCPWM_GEN_ACTION_HIGH)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_W_HIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_UP, comperator_W, MCPWM_GEN_ACTION_LOW)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_W_HIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_DOWN, comperator_W, MCPWM_GEN_ACTION_HIGH)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_W_LIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_UP, comperator_W, MCPWM_GEN_ACTION_LOW)));
ESP_ERROR_CHECK(mcpwm_generator_set_action_on_compare_event(generator_W_LIN, MCPWM_GEN_COMPARE_EVENT_ACTION(MCPWM_TIMER_DIRECTION_DOWN, comperator_W, MCPWM_GEN_ACTION_HIGH)));
}
static void set_lowside(Phase lowside){
LowsidePhase = lowside;
switch (lowside){
case PHASE_U:
ESP_ERROR_CHECK(mcpwm_generator_set_force_level(generator_U_HIN, 0,true));
@@ -219,7 +255,6 @@ static void set_lowside(Phase lowside){
}
}
static void set_highside(Phase highside){
HighsidePhase = highside;
switch (highside){
case PHASE_U:
@@ -241,7 +276,6 @@ static void set_highside(Phase highside){
}
}
static void set_inactive(Phase inactive){
InactivePhase = inactive;
switch (inactive){
case PHASE_U:
ESP_ERROR_CHECK(mcpwm_generator_set_force_level(generator_U_HIN, 0,true));
@@ -261,36 +295,87 @@ static void set_inactive(Phase inactive){
break;
}
}
esp_err_t set_mcpwm_output(Phase highside, Phase lowside, Phase inactive){
esp_err_t start_mcpwm_output(){
if (timer_U == NULL) {
return ESP_ERR_INVALID_STATE; // Fehlerbehandlung, wenn mcpwm nicht initialisiert wurde
}
set_mcpwm_duty(duty);
set_inactive(inactive);
set_highside(highside);
set_lowside(lowside);
conf_gens();
for (int i = 0; i < 3; i++) {
switch (phase_configurations[i].state) {
case Highside:
set_highside(phase_configurations[i].phase);
break;
case Lowside:
set_lowside(phase_configurations[i].phase);
break;
case OFF:
set_inactive(phase_configurations[i].phase);
break;
}
}
return ESP_OK;
}
esp_err_t set_mcpwm_duty(float new_duty){
if (timer_U == NULL) {
return ESP_ERR_INVALID_STATE; // Fehlerbehandlung, wenn mcpwm nicht initialisiert wurde
void configure_mcpwm_output(OutCombis out_combi) {
switch (out_combi) {
case OUT_U_V:
phase_configurations[0].state = Highside;
phase_configurations[1].state = Lowside;
phase_configurations[2].state = OFF;
break;
case OUT_U_W:
phase_configurations[0].state = Highside;
phase_configurations[1].state = OFF;
phase_configurations[2].state = Lowside;
break;
case OUT_V_W:
phase_configurations[0].state = OFF;
phase_configurations[1].state = Highside;
phase_configurations[2].state = Lowside;
break;
case OUT_V_U:
phase_configurations[0].state = Lowside;
phase_configurations[1].state = Highside;
phase_configurations[2].state = OFF;
break;
case OUT_W_U:
phase_configurations[0].state = Lowside;
phase_configurations[1].state = OFF;
phase_configurations[2].state = Highside;
break;
case OUT_W_V:
phase_configurations[0].state = OFF;
phase_configurations[1].state = Lowside;
phase_configurations[2].state = Highside;
break;
case OUT_U:
phase_configurations[0].state = Highside;
phase_configurations[1].state = OFF;
phase_configurations[2].state = OFF;
break;
case OUT_V:
phase_configurations[0].state = OFF;
phase_configurations[1].state = Highside;
phase_configurations[2].state = OFF;
break;
case OUT_W:
phase_configurations[0].state = OFF;
phase_configurations[1].state = OFF;
phase_configurations[2].state = Highside;
break;
default:
break;
}
duty = new_duty;
ESP_ERROR_CHECK(mcpwm_comparator_set_compare_value(comperator_U, (periode_ticks*duty/100)/2));
ESP_ERROR_CHECK(mcpwm_comparator_set_compare_value(comperator_V, (periode_ticks*duty/100)/2));
ESP_ERROR_CHECK(mcpwm_comparator_set_compare_value(comperator_W, (periode_ticks*duty/100)/2));
return ESP_OK;
}
esp_err_t set_mcpwm_frequency(uint16_t frequency){
esp_err_t set_mcpwm_frequency(uint16_t frequency_new){
if (timer_U == NULL) {
return ESP_ERR_INVALID_STATE; // Fehlerbehandlung, wenn mcpwm nicht initialisiert wurde
}
periode_ticks = CONFIG_TIMER_BASE_FREQ/frequency;
periode_ticks = CONFIG_TIMER_BASE_FREQ/frequency_new;
mcpwm_frequency = frequency_new;
// Neue Konfiguration anwenden
ESP_ERROR_CHECK(mcpwm_timer_set_period(timer_U, periode_ticks));
ESP_ERROR_CHECK(mcpwm_timer_set_period(timer_V, periode_ticks));
@@ -309,4 +394,7 @@ void get_comps(mcpwm_cmpr_handle_t comps[3]) {
}
float get_duty() {
return duty;
}
uint16_t get_frequency(){
return mcpwm_frequency;
}