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triac dimmer working

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Pietro Marchini
2021-03-07 02:23:09 +01:00
parent a3e8bd86e1
commit 2d27cd2ece
2 changed files with 42 additions and 33 deletions
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70
src/esp32idfDimmer.c
View File

@@ -1,4 +1,4 @@
// RobotDyn porting of RBDDimmer library from Arduino framework to esp32-idf
// RobotDyn porting of RBDDimmer library from Arduino framework to esp-idf
//
// author : pmarchini
// mail : pietro.marchini94@gmail.com
@@ -6,14 +6,14 @@
/* TODO :
*
* Add all the static elements inside the dimmer struct
*
*
*
*/
#include "esp32idfDimmer.h"
int pulseWidth = 1;
int pulseWidth = 2;
volatile int current_dim = 0;
int all_dim = 3;
int rise_fall = true;
@@ -69,14 +69,12 @@ dimmertyp *createDimmer(gpio_num_t user_dimmer_pin, gpio_num_t zc_dimmer_pin)
return dimmer[current_dim - 1];
}
/*TODO -> fix correct values with details and a small guide on value set*/
#define F 1600
#define BASE_SPEED 320
const int base_speed = 320;
int steps = 0;
uint32_t timer_divider = (TIMER_BASE_CLK / F);
#define TIMER_DIVIDER 80 // Hardware timer clock divider
#define TIMER_SCALE (TIMER_BASE_CLK / TIMER_DIVIDER) // convert counter value to seconds
#define TIMER_INTERVAL0_SEC (0.0001)
void config_timer(int ACfreq)
{
@@ -88,17 +86,6 @@ void config_timer(int ACfreq)
return;
}
STEPS = 0;
if (ACfreq > 10 && ACfreq <= 100)
{
STEPS = (1 / ACfreq) * pow(10, 6);
}
else
{
STEPS = 100;
}
memset(&m_timer_config, 0, sizeof(m_timer_config));
/* Prepare configuration */
@@ -108,16 +95,22 @@ void config_timer(int ACfreq)
.counter_en = TIMER_PAUSE,
.counter_dir = TIMER_COUNT_UP,
.auto_reload = TIMER_AUTORELOAD_EN,
.divider = 250,
.divider = TIMER_DIVIDER,
};
/*self regulation 50/60 Hz*/
double m_calculated_interval = (1 / (ACfreq*2)) / 100;
ESP_LOGI(TAG, "Timer configuration - configure interrupt and timer");
/* Configure the alarm value and the interrupt on alarm. */
timer_init(TIMER_GROUP_0, TIMER_0, &m_timer_config);
timer_set_alarm_value(TIMER_GROUP_0, TIMER_0, STEPS);
timer_set_alarm_value(TIMER_GROUP_0, TIMER_0, TIMER_SCALE * m_calculated_interval);
timer_enable_intr(TIMER_GROUP_0, TIMER_0);
timer_isr_register(TIMER_GROUP_0, TIMER_0, onTimerISR, NULL, ESP_INTR_FLAG_IRAM, NULL);
timer_isr_register(TIMER_GROUP_0, TIMER_0, onTimerISR, (void*)TIMER_0, ESP_INTR_FLAG_IRAM, NULL);
/* start timer */
ESP_LOGI(TAG, "Timer configuration - start timer");
timer_start(TIMER_GROUP_0, TIMER_0);
timer_set_alarm(TIMER_GROUP_0,TIMER_0,TIMER_ALARM_EN);
ESP_LOGI(TAG, "Timer configuration - completed");
}
@@ -128,7 +121,7 @@ void config_timer(int ACfreq)
void ext_int_init(dimmertyp *ptr)
{
ESP_LOGI(TAG, "Setting ZCPin : %3d as input", dimZCPin[ptr->current_num]);
ESP_LOGI(TAG, "Checking for previous declaration of zc pin on the same gpio");
ESP_LOGI(TAG, "Checking for previous declaration of zc input on the same gpio");
/*Zero crossing*/
bool alreadyInit = false;
for(int i = 0;i < ptr->current_num;i++){
@@ -179,8 +172,8 @@ static void timer_isr_debug(void* arg)
{
uint32_t io_num;
for(;;) {
if(xQueueReceive(timer_event_queue, NULL, portMAX_DELAY)) {
printf("Timer interrupt event");
if(xQueueReceive(timer_event_queue, &io_num, portMAX_DELAY)) {
printf("Timer interrupt event , counter = %5d \n",io_num);
}
}
}
@@ -207,9 +200,9 @@ void begin(dimmertyp *ptr, DIMMER_MODE_typedef DIMMER_MODE, ON_OFF_typedef ON_OF
#endif
#if DEBUG_ISR_TIMER == ISR_DEBUG_ON
if(!_initDone)
if(!_initDone)
{
//create a queue to handle gpio event from isr
//create a queue to handle timer event
timer_event_queue = xQueueCreate(10, sizeof(uint32_t));
//start gpio task
xTaskCreate(timer_isr_debug, "timer_isr_debug", 2048, NULL, 10, NULL);
@@ -312,12 +305,21 @@ static void IRAM_ATTR isr_ext(void* arg)
}
static int k;
#if DEBUG_ISR_TIMER == ISR_DEBUG_ON
static int counter = 0;
#endif
/* Execution on timer event */
static void IRAM_ATTR onTimerISR(void* arg)
static void IRAM_ATTR onTimerISR(void* para)
{
/*Block needed to handle timer ISR*/
timer_spinlock_take(TIMER_GROUP_0);
timer_group_clr_intr_status_in_isr(TIMER_GROUP_0, TIMER_0);
/*Give back spinlock at the end of the method*/
/**********************************/
#if DEBUG_ISR_TIMER == ISR_DEBUG_ON
xQueueSendFromISR(timer_event_queue, NULL, NULL);
counter++;
uint32_t info = (uint32_t) counter;
xQueueSendFromISR(timer_event_queue, &info, NULL);
#endif
toggleCounter++;
@@ -369,4 +371,10 @@ static void IRAM_ATTR onTimerISR(void* arg)
}
if (toggleCounter >= toggleReload)
toggleCounter = 1;
/* After the alarm has been triggered
we need enable it again, so it is triggered the next time */
timer_group_enable_alarm_in_isr(TIMER_GROUP_0, TIMER_0);
timer_spinlock_give(TIMER_GROUP_0);
}

5
src/esp32idfDimmer.h
View File

@@ -1,4 +1,4 @@
// RobotDyn porting of RBDDimmer library from Arduino framework to esp32-idf
// RobotDyn porting of RBDDimmer library from Arduino framework to esp-idf
//
// author : pmarchini
// mail : pietro.marchini94@gmail.com
@@ -28,7 +28,8 @@ static const char *TAG = "Esp32idfDimmer";
#define ISR_DEBUG_OFF 0
/*Activate/Deactivate isr debug*/
#define DEBUG_ISR_DIMMER ISR_DEBUG_OFF
#define DEBUG_ISR_TIMER ISR_DEBUG_ON
/*If timer is too fast can lead to core 0 panic*/
#define DEBUG_ISR_TIMER ISR_DEBUG_OFF