Files
BA_DIY_Power_PCB/main/GPIO.c
2025-02-09 23:10:59 +01:00

219 lines
7.4 KiB
C
Executable File

#include "GPIO.h"
#include "driver/gpio.h"
#include "parsed_pins.h"
#include "esp_log.h"
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_timer.h"
#include "driver/uart.h"
#include "soc/io_mux_reg.h"
//external Encoder
static void IRAM_ATTR index_isr_handler(void *arg);
static void IRAM_ATTR enc_ab_isr_handler(void *arg);
static volatile int64_t delta_index_time = 0;
static volatile int64_t last_index_time = 0;
static volatile int64_t delta_AB_time = 0;
static volatile int64_t last_AB_time = 0;
static volatile int16_t enc_in_counter = 0;
static volatile int64_t last_interrupt_time = 0;
static volatile uint16_t last_interrupt_time_but = 0;
static volatile bool enc_in_button_state = false;
static volatile uint8_t last_state = 0;
/*############################################*/
/*############### GPIO-Setup #################*/
/*############################################*/
void configure_GPIO_dir()
{
/* reset every used GPIO-pin */
uart_driver_delete(UART_NUM_0);
// GPIO1 als GPIO konfigurieren (anstatt als UART0 TX)
PIN_FUNC_SELECT(IO_MUX_GPIO1_REG, PIN_FUNC_GPIO);
// GPIO3 als GPIO konfigurieren (anstatt als UART0 RX)
PIN_FUNC_SELECT(IO_MUX_GPIO3_REG, PIN_FUNC_GPIO);
gpio_reset_pin(CONFIG_HALL_A_GPIO);
gpio_reset_pin(CONFIG_HALL_B_GPIO);
gpio_reset_pin(CONFIG_HALL_C_GPIO);
gpio_reset_pin(CONFIG_IN_ENC_A_GPIO);
gpio_reset_pin(CONFIG_IN_ENC_B_GPIO);
gpio_reset_pin(CONFIG_IN_ENC_BUT_GPIO);
gpio_reset_pin(CONFIG_EXT_ENC_LEFT_GPIO);
gpio_reset_pin(CONFIG_EXT_ENC_RIGHT_GPIO);
gpio_reset_pin(CONFIG_RFE_GPIO);
gpio_config_t io_conf_RFE = {};
io_conf_RFE.intr_type = GPIO_INTR_DISABLE; // Keine Interrupts
io_conf_RFE.mode = GPIO_MODE_INPUT; // Als Eingang setzen
io_conf_RFE.pin_bit_mask = (1ULL << CONFIG_RFE_GPIO); // Pin festlegen
io_conf_RFE.pull_down_en = GPIO_PULLDOWN_DISABLE;
io_conf_RFE.pull_up_en = GPIO_PULLUP_DISABLE; // Pull-up-Widerstand deaktivieren
gpio_config(&io_conf_RFE);
/* Set the GPIO as a push/pull output*/
gpio_set_direction(CONFIG_HALL_A_GPIO, GPIO_MODE_INPUT);
gpio_set_direction(CONFIG_HALL_B_GPIO, GPIO_MODE_INPUT);
gpio_set_direction(CONFIG_HALL_C_GPIO, GPIO_MODE_INPUT);
gpio_set_direction(CONFIG_IN_ENC_A_GPIO, GPIO_MODE_INPUT);
gpio_set_direction(CONFIG_IN_ENC_B_GPIO, GPIO_MODE_INPUT);
gpio_set_pull_mode(CONFIG_IN_ENC_A_GPIO, GPIO_PULLUP_ENABLE);
gpio_set_pull_mode(CONFIG_IN_ENC_B_GPIO, GPIO_PULLUP_ENABLE);
gpio_set_direction(CONFIG_IN_ENC_BUT_GPIO, GPIO_MODE_INPUT);
gpio_set_direction(CONFIG_EXT_ENC_LEFT_GPIO, GPIO_MODE_INPUT);
gpio_set_direction(CONFIG_EXT_ENC_RIGHT_GPIO, GPIO_MODE_INPUT);
ESP_LOGI("GPIO", "configured for DIY power PCB");
gpio_config_t io_conf = {};
io_conf.pin_bit_mask = (1ULL << CONFIG_EXT_ENC_INDX_GPIO)| (1ULL << CONFIG_HALL_A_GPIO)| (1ULL << CONFIG_IN_ENC_A_GPIO)| (1ULL << CONFIG_IN_ENC_B_GPIO);
io_conf.mode = GPIO_MODE_INPUT;
io_conf.pull_up_en = GPIO_PULLUP_ENABLE;
io_conf.intr_type = GPIO_INTR_ANYEDGE; // Interrupt auf beiden Flanken
gpio_config(&io_conf);
gpio_config_t io_conf_negedge = {};
io_conf_negedge.pin_bit_mask = (1ULL << CONFIG_IN_ENC_BUT_GPIO);
io_conf_negedge.mode = GPIO_MODE_INPUT;
io_conf_negedge.pull_up_en = GPIO_PULLUP_ENABLE;
io_conf_negedge.intr_type = GPIO_INTR_POSEDGE; // Interrupt nur auf positive Flanken
gpio_config(&io_conf_negedge);
gpio_install_isr_service(0);
ESP_ERROR_CHECK(gpio_isr_handler_add(CONFIG_EXT_ENC_INDX_GPIO, index_isr_handler, NULL));
ESP_ERROR_CHECK(gpio_isr_handler_add(CONFIG_HALL_A_GPIO, enc_ab_isr_handler, NULL));
}
/*############################################*/
/*############### Ext Encoder ################*/
/*############################################*/
static void IRAM_ATTR index_isr_handler(void *arg){
uint64_t current_time = esp_timer_get_time();
if (last_index_time != 0){
delta_index_time = current_time - last_index_time;
}
last_index_time = current_time;
}
static void IRAM_ATTR enc_ab_isr_handler(void *arg){
uint64_t current_time = esp_timer_get_time();
if (last_AB_time != 0){
delta_AB_time = current_time - last_AB_time;
}
last_AB_time = current_time;
}
float get_speed_index(){
uint64_t local_delta_time = delta_index_time;
float speed_rpm = 0;
if (local_delta_time>0){
speed_rpm = (60.0*1000000.0/local_delta_time);
ESP_LOGI("Encoder", "Geschwindigkeit_Indx: %.2f RPM", speed_rpm);
}
return speed_rpm;
}
float get_speed_AB(){
uint64_t local_delta_time = delta_AB_time;
float speed_rpm = 0;
if (local_delta_time>0){
speed_rpm = (60.0*1000000.0/local_delta_time)/1000;
ESP_LOGI("Encoder", "Geschwindigkeit_AB: %.2f RPM", speed_rpm);
}
return speed_rpm;
}
int get_direction(){//-1=Error,0=right,1=left
bool right = gpio_get_level(CONFIG_EXT_ENC_RIGHT_GPIO);
bool left = gpio_get_level(CONFIG_EXT_ENC_LEFT_GPIO);
int direction;
if (left && right){
direction= -1;
ESP_LOGI("Encoder","Direction: Error");
}else if(right){
direction = 0;
ESP_LOGI("Encoder","Direction: Right");
}else{
direction = 1;
ESP_LOGI("Encoder","Direction: Left");
}
return direction;
}
/*############################################*/
/*############ Internal Encoder ##############*/
/*############################################*
static void IRAM_ATTR enc_in_isr_handler(void *arg) {
static uint64_t last_interrupt_time = 0;
// Aktueller Zustand der Pins lesen
uint8_t current_state = (gpio_get_level(CONFIG_IN_ENC_A_GPIO) << 1) | gpio_get_level(CONFIG_IN_ENC_B_GPIO);
uint64_t interrupt_time = esp_timer_get_time();
// Zustandswechsel-Logik (FSM) ohne starre Entprellzeit
if (current_state != last_state) {
// Nur wenn der Wechsel signifikant verzögert ist (gute Flanke)
if ((interrupt_time - last_interrupt_time) > CONFIG_IN_ENCODER_DEBOUNCE_TIME) {
if ((last_state == 0b01 && current_state == 0b11) ||
(last_state == 0b10 && current_state == 0b00)) {
enc_in_counter--; // Vorwärtsdrehen
} else if ((last_state == 0b10 && current_state == 0b11) ||
(last_state == 0b01 && current_state == 0b00)) {
enc_in_counter++; // Rückwärtsdrehen
}
last_state = current_state; // Zustand aktualisieren
last_interrupt_time = interrupt_time;
}
}
}
static void IRAM_ATTR enc_in_but_isr_handler(void *arg) {
uint64_t interrupt_time = esp_timer_get_time();
// Entprellung: Verhindert die Erfassung von Störungen aufgrund von Prellung
if (interrupt_time - last_interrupt_time_but > (CONFIG_IN_ENCODER_DEBOUNCE_TIME*1000)) { // Entprellungszeit
last_interrupt_time_but = interrupt_time; // Entprellzeit zurücksetzen
// Bestimmen der Richtung anhand des Zustands von Pin A und B
if (gpio_get_level(CONFIG_IN_ENC_A_GPIO)) {
enc_in_button_state = true;
}
}
}
int16_t get_enc_in_counter(){
ESP_LOGI("Encoder_Int","Counter:%i",enc_in_counter);
return enc_in_counter;
}
void set_enc_in_counter(int16_t inital_value){
enc_in_counter = inital_value;
}
bool get_enc_in_but(){
if (enc_in_button_state){
enc_in_button_state = false;
return true;
}
else{
return false;
}
}*/