mirror of
https://github.com/pmarchini/Esp32Dimmer.git
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initial commit
This commit is contained in:
Pietro Marchini
257
src/esp32idfDimmer.c
Normal file
257
src/esp32idfDimmer.c
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#include "esp32idfDimmer.h"
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int pulseWidth = 1;
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volatile int current_dim = 0;
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int all_dim = 3;
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int rise_fall = true;
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char user_zero_cross = '0';
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static int toggleCounter = 0;
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static int toggleReload = 25;
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volatile bool _initDone = false;
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volatile int _steps = 0;
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#define STEPS _steps
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static dimmertyp *dimmer[ALL_DIMMERS];
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volatile uint16_t dimPower[ALL_DIMMERS];
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volatile gpio_num_t dimOutPin[ALL_DIMMERS];
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volatile gpio_num_t dimZCPin[ALL_DIMMERS];
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volatile uint16_t zeroCross[ALL_DIMMERS];
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volatile DIMMER_MODE_typedef dimMode[ALL_DIMMERS];
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volatile ON_OFF_typedef dimState[ALL_DIMMERS];
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volatile uint16_t dimCounter[ALL_DIMMERS];
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static uint16_t dimPulseBegin[ALL_DIMMERS];
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volatile uint16_t togMax[ALL_DIMMERS];
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volatile uint16_t togMin[ALL_DIMMERS];
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volatile bool togDir[ALL_DIMMERS];
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/* timer configurations */
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timer_config_t m_timer_config;
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dimmertyp *createDimmer(gpio_num_t user_dimmer_pin, gpio_num_t zc_dimmer_pin)
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{
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if (current_dim >= ALL_DIMMERS)
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{
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return NULL;
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}
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current_dim++;
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dimmer[current_dim - 1] = malloc(sizeof(dimmertyp));
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dimmer[current_dim - 1]->current_num = current_dim - 1;
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dimmer[current_dim - 1]->toggle_state = false;
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dimPulseBegin[current_dim - 1] = 1;
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dimOutPin[current_dim - 1] = user_dimmer_pin;
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dimZCPin[current_dim - 1] = zc_dimmer_pin;
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dimCounter[current_dim - 1] = 0;
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zeroCross[current_dim - 1] = 0;
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dimMode[current_dim - 1] = NORMAL_MODE;
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togMin[current_dim - 1] = 0;
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togMax[current_dim - 1] = 1;
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gpio_set_direction(user_dimmer_pin, GPIO_MODE_OUTPUT);
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//Return the pointer
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return dimmer[current_dim - 1];
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}
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/*TODO -> fix correct values with details and a small guide on value set*/
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#define F 1600
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#define BASE_SPEED 320
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const int base_speed = 320;
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int steps = 0;
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uint32_t timer_divider = (TIMER_BASE_CLK / F);
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void config_timer(int ACfreq)
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{
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/*System timer startup has been done*/
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if (_initDone)
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{
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return;
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}
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STEPS = 0;
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if (ACfreq > 10 && ACfreq <= 100)
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{
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STEPS = (1 / ACfreq) * pow(10, 6);
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}
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else
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{
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STEPS = 100;
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}
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memset(&m_timer_config, 0, sizeof(m_timer_config));
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/* Prepare configuration */
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timer_config_t m_timer_config =
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{
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.alarm_en = TIMER_ALARM_DIS,
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.counter_en = TIMER_PAUSE,
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.counter_dir = TIMER_COUNT_UP,
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.auto_reload = TIMER_AUTORELOAD_EN,
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.divider = 250,
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};
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/* Configure the alarm value and the interrupt on alarm. */
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timer_init(TIMER_GROUP_0, TIMER_0, &m_timer_config);
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timer_set_alarm_value(TIMER_GROUP_0, TIMER_0, STEPS);
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timer_enable_intr(TIMER_GROUP_0, TIMER_0);
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timer_isr_register(TIMER_GROUP_0, TIMER_0, onTimerISR, NULL, ESP_INTR_FLAG_IRAM, NULL);
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/* start timer */
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timer_start(TIMER_GROUP_0, TIMER_0);
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}
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/*Zero-crossing pin setting
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*set as input
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*set as pullup
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*set its interrupt*/
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void ext_int_init(dimmertyp *ptr)
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{
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gpio_set_direction(dimZCPin[ptr->current_num], GPIO_MODE_INPUT);
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gpio_set_pull_mode(dimZCPin[ptr->current_num], GPIO_PULLUP_ONLY);
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gpio_set_intr_type(dimZCPin[ptr->current_num], GPIO_INTR_POSEDGE);
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}
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void begin(dimmertyp *ptr, DIMMER_MODE_typedef DIMMER_MODE, ON_OFF_typedef ON_OFF, int FREQ)
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{
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dimMode[ptr->current_num] = DIMMER_MODE;
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dimState[ptr->current_num] = ON_OFF;
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config_timer(FREQ);
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ext_int_init(ptr);
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}
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void setPower(dimmertyp *ptr, int power)
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{
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if (power >= 99)
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{
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power = 99;
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}
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dimPower[ptr->current_num] = power;
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dimPulseBegin[ptr->current_num] = powerBuf[power];
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vTaskDelay(1);
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}
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int getPower(dimmertyp *ptr)
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{
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if (dimState[ptr->current_num] == ON)
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return dimPower[ptr->current_num];
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else
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return 0;
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}
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void setState(dimmertyp *ptr, ON_OFF_typedef ON_OFF)
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{
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dimState[ptr->current_num] = ON_OFF;
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}
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bool getState(dimmertyp *ptr)
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{
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bool ret;
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if (dimState[ptr->current_num] == ON)
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ret = true;
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else
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ret = false;
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return ret;
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}
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void changeState(dimmertyp *ptr)
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{
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if (dimState[ptr->current_num] == ON)
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dimState[ptr->current_num] = OFF;
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else
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dimState[ptr->current_num] = ON;
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}
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DIMMER_MODE_typedef getMode(dimmertyp *ptr)
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{
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return dimMode[ptr->current_num];
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}
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void setMode(dimmertyp *ptr, DIMMER_MODE_typedef DIMMER_MODE)
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{
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dimMode[ptr->current_num] = DIMMER_MODE;
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}
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void toggleSettings(dimmertyp *ptr, int minValue, int maxValue)
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{
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if (maxValue > 99)
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{
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maxValue = 99;
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}
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if (minValue < 1)
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{
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minValue = 1;
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}
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dimMode[ptr->current_num] = TOGGLE_MODE;
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togMin[ptr->current_num] = powerBuf[maxValue];
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togMax[ptr->current_num] = powerBuf[minValue];
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toggleReload = 50;
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}
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void IRAM_ATTR isr_ext()
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{
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for (int i = 0; i < current_dim; i++)
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if (dimState[i] == ON)
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{
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zeroCross[i] = 1;
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}
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}
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static int k;
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/* Execution on timer event */
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void IRAM_ATTR onTimerISR()
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{
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toggleCounter++;
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for (k = 0; k < current_dim; k++)
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{
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if (zeroCross[k] == 1)
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{
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dimCounter[k]++;
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if (dimMode[k] == TOGGLE_MODE)
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{
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/*****
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* TOGGLE DIMMING MODE
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*****/
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if (dimPulseBegin[k] >= togMax[k])
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{
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// if reach max dimming value
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togDir[k] = false; // downcount
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}
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if (dimPulseBegin[k] <= togMin[k])
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{
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// if reach min dimming value
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togDir[k] = true; // upcount
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}
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if (toggleCounter == toggleReload)
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{
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if (togDir[k] == true)
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dimPulseBegin[k]++;
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else
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dimPulseBegin[k]--;
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}
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}
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/*****
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* DEFAULT DIMMING MODE (NOT TOGGLE)
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*****/
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if (dimCounter[k] >= dimPulseBegin[k])
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{
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gpio_set_level(dimOutPin[k], 1);
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}
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if (dimCounter[k] >= (dimPulseBegin[k] + pulseWidth))
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{
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gpio_set_level(dimOutPin[k], 0);
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zeroCross[k] = 0;
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dimCounter[k] = 0;
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}
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}
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}
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if (toggleCounter >= toggleReload)
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toggleCounter = 1;
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}
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75
src/esp32idfDimmer.h
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75
src/esp32idfDimmer.h
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@@ -0,0 +1,75 @@
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#ifndef RBDDIMMER_H
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#define RBDDIMMER_H
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/queue.h"
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#include "driver/gpio.h"
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#include "driver/periph_ctrl.h"
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#include "driver/timer.h"
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#include "freertos/task.h"
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#include "math.h"
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#define ALL_DIMMERS 50
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static const uint8_t powerBuf[] = {
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100, 99, 98, 97, 96, 95, 94, 93, 92, 91,
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90, 89, 88, 87, 86, 85, 84, 83, 82, 81,
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80, 79, 78, 77, 76, 75, 74, 73, 72, 71,
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70, 69, 68, 67, 66, 65, 64, 63, 62, 61,
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60, 59, 58, 57, 56, 55, 54, 53, 52, 51,
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50, 49, 48, 47, 46, 45, 44, 43, 42, 41,
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40, 39, 38, 37, 36, 35, 34, 33, 32, 31,
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30, 29, 28, 27, 26, 25, 24, 23, 22, 21,
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20, 19, 18, 17, 16, 15, 14, 13, 12, 11,
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10, 9, 8, 7, 6, 5, 4, 3, 2, 1};
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typedef enum
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{
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NORMAL_MODE = 0,
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TOGGLE_MODE = 1
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} DIMMER_MODE_typedef;
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typedef enum
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{
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OFF = false,
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ON = true
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} ON_OFF_typedef;
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typedef struct dimmer
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{
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int current_num;
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int timer_num;
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bool toggle_state;
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int tog_current;
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int steps;
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uint16_t pulse_begin;
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int dimmer_pin;
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int tog_max;
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int tog_min;
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int zc_pin;
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} dimmertyp;
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dimmertyp *createDimmer(gpio_num_t user_dimmer_pin, gpio_num_t zc_dimmer_pin);
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void begin(dimmertyp *ptr, DIMMER_MODE_typedef DIMMER_MODE, ON_OFF_typedef ON_OFF, int FREQ);
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void setPower(dimmertyp *ptr, int power);
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int getPower(dimmertyp *ptr);
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void setState(dimmertyp *ptr, ON_OFF_typedef ON_OFF);
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bool getState(dimmertyp *ptr);
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void changeState(dimmertyp *ptr);
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void setMode(dimmertyp *ptr, DIMMER_MODE_typedef DIMMER_MODE);
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DIMMER_MODE_typedef getMode(dimmertyp *ptr);
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void toggleSettings(dimmertyp *ptr, int minValue, int maxValue);
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void port_init(dimmertyp *ptr);
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void config_timer(int freq);
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void ext_int_init(dimmertyp *ptr);
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void IRAM_ATTR isr_ext();
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void IRAM_ATTR onTimerISR();
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#endif
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