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moved LEDs to LEDC module, fade slow blink, and move LEDs to CPU 1

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This commit is contained in:
demik 2021-08-16 23:52:38 +02:00
parent 342840f716
commit 1bb3765cac
4 changed files with 143 additions and 19 deletions
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2
main/gpio.h
View File

@ -68,5 +68,7 @@ void gpio_output_enable(void);
#define GPIO_YELLOWLED 26
#define GPIO_REDLED 27
#define GPIO_NULL 5
#endif

152
main/led.c
View File

@ -24,19 +24,126 @@
#include <stdio.h>
#include "driver/gpio.h"
#include "driver/ledc.h"
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_log.h"
#include "esp_system.h"
#include "esp_spi_flash.h"
#include "led.h"
#include "gpio.h"
/* global variables for tasks handles */
TaskHandle_t t_green, t_blue, t_yellow, t_red;
/* defines */
#define TAG "LED"
/* global variables for tasks handles */
TaskHandle_t t_irq, t_green, t_blue, t_yellow, t_red;
static ledc_timer_config_t ledc_timer = {
.duty_resolution = LEDC_TIMER_12_BIT, // resolution of PWM duty
.freq_hz = 4000, // frequency of PWM signal
.speed_mode = LEDC_HIGH_SPEED_MODE, // timer mode
.timer_num = LEDC_TIMER_0, // timer index
.clk_cfg = LEDC_AUTO_CLK, // Auto select the source clock
};
/*
* LEDC channels configuration
* channel number is: GPIO number - 20. This allow to get the hardware
* channel number from the hardware GPIO number
* example: GREEN = GPIO 21 = CHANNEL 21 - 20 = CHANNEL 1
* others channels are set to an unused GPIO pin (5) but not registered
*/
static ledc_channel_config_t ledc_channel[] = {
{
.channel = LEDC_CHANNEL_0,
.duty = 0,
.gpio_num = GPIO_NULL,
.speed_mode = LEDC_HIGH_SPEED_MODE,
.hpoint = 0,
.timer_sel = LEDC_TIMER_0,
},
{
.channel = LEDC_CHANNEL_1,
.duty = 0,
.gpio_num = GPIO_GREENLED,
.speed_mode = LEDC_HIGH_SPEED_MODE,
.hpoint = 0,
.timer_sel = LEDC_TIMER_0,
},
{
.channel = LEDC_CHANNEL_2,
.duty = 0,
.gpio_num = GPIO_NULL,
.speed_mode = LEDC_HIGH_SPEED_MODE,
.hpoint = 0,
.timer_sel = LEDC_TIMER_0,
},
{
.channel = LEDC_CHANNEL_3,
.duty = 0,
.gpio_num = GPIO_NULL,
.speed_mode = LEDC_HIGH_SPEED_MODE,
.hpoint = 0,
.timer_sel = LEDC_TIMER_0,
},
{
.channel = LEDC_CHANNEL_4,
.duty = 0,
.gpio_num = GPIO_NULL,
.speed_mode = LEDC_HIGH_SPEED_MODE,
.hpoint = 0,
.timer_sel = LEDC_TIMER_0,
},
{
.channel = LEDC_CHANNEL_5,
.duty = 0,
.gpio_num = GPIO_BLUELED,
.speed_mode = LEDC_HIGH_SPEED_MODE,
.hpoint = 0,
.timer_sel = LEDC_TIMER_0,
},
{
.channel = LEDC_CHANNEL_6,
.duty = 0,
.gpio_num = GPIO_YELLOWLED,
.speed_mode = LEDC_HIGH_SPEED_MODE,
.hpoint = 0,
.timer_sel = LEDC_TIMER_0,
},
{
.channel = LEDC_CHANNEL_7,
.duty = 0,
.gpio_num = GPIO_REDLED,
.speed_mode = LEDC_HIGH_SPEED_MODE,
.hpoint = 0,
.timer_sel = LEDC_TIMER_0,
}
};
/* could be inside led_init but just used to allocate IRQs to CPU 1 instead of 0 */
void led_dispatch(void *pvParameters)
{
ledc_fade_func_install(0);
/* avoit cur duty + target spam on console */
esp_log_level_set("ledc", ESP_LOG_INFO);
xTaskCreatePinnedToCore(led_task, "GREEN", 2 * 1024, (void *) GPIO_GREENLED, tskIDLE_PRIORITY, &t_green, 1);
xTaskCreatePinnedToCore(led_task, "BLUE", 2 * 1024, (void *) GPIO_BLUELED, tskIDLE_PRIORITY, &t_blue, 1);
xTaskCreatePinnedToCore(led_task, "YELLOW", 2 * 1024, (void *) GPIO_YELLOWLED, tskIDLE_PRIORITY, &t_yellow, 1);
xTaskCreatePinnedToCore(led_task, "RED", 2 * 1024, (void *) GPIO_REDLED, tskIDLE_PRIORITY, &t_red, 1);
/* blink green led fast (we are booting...) */
xTaskNotify(t_green, LED_FAST, eSetValueWithOverwrite);
ESP_LOGI(TAG, "led_dispatch suspending itself on core %d", xPortGetCoreID());
vTaskSuspend(NULL);
}
/* init all leds, blink everything once and start background tasks */
void led_init(void) {
/* blink allds LEDs once */
gpio_set_level(GPIO_GREENLED, 1);
@ -49,13 +156,12 @@ void led_init(void) {
gpio_set_level(GPIO_YELLOWLED, 0);
gpio_set_level(GPIO_REDLED, 0);
xTaskCreate(led_task, "GREEN", 1024, (void *) GPIO_GREENLED, tskIDLE_PRIORITY, &t_green);
xTaskCreate(led_task, "BLUE", 1024, (void *) GPIO_BLUELED, tskIDLE_PRIORITY, &t_blue);
xTaskCreate(led_task, "YELLOW", 1024, (void *) GPIO_YELLOWLED, tskIDLE_PRIORITY, &t_yellow);
xTaskCreate(led_task, "RED", 1024, (void *) GPIO_REDLED, tskIDLE_PRIORITY, &t_red);
/* blink green led fast (we are booting...) */
xTaskNotify(t_green, LED_FAST, eSetValueWithOverwrite);
ledc_timer_config(&ledc_timer);
ledc_channel_config(&ledc_channel[GPIO_GREENLED - 20]);
ledc_channel_config(&ledc_channel[GPIO_BLUELED - 20]);
ledc_channel_config(&ledc_channel[GPIO_YELLOWLED - 20]);
ledc_channel_config(&ledc_channel[GPIO_REDLED - 20]);
xTaskCreatePinnedToCore(led_dispatch, "DISPATCH", 2 * 1024, NULL, tskIDLE_PRIORITY, &t_irq, 1);
}
void led_task(void *pvParameters) {
@ -66,34 +172,44 @@ void led_task(void *pvParameters) {
/* start only if there is a led specified */
configASSERT(((uint32_t) pvParameters) > 0);
ESP_LOGI(TAG, "led task %i started on core %d", color, xPortGetCoreID());
while (1) {
xTaskNotifyWait(0, 0, &mode, wait);
switch (mode)
{
case LED_OFF:
gpio_set_level(color, 0);
ledc_set_duty(LED_SPEED(color), LED_CHANNEL(color), 0);
ledc_update_duty(LED_SPEED(color), LED_CHANNEL(color));
wait = portMAX_DELAY;
break;
case LED_ON:
gpio_set_level(color, 1);
ledc_set_duty(LED_SPEED(color), LED_CHANNEL(color), LED_DUTY);
ledc_update_duty(LED_SPEED(color), LED_CHANNEL(color));
wait = portMAX_DELAY;
break;
case LED_ONCE:
gpio_set_level(color, 1);
ledc_set_duty(LED_SPEED(color), LED_CHANNEL(color), LED_DUTY);
ledc_update_duty(LED_SPEED(color), LED_CHANNEL(color));
vTaskDelay(40 / portTICK_PERIOD_MS);
gpio_set_level(color, 0);
ledc_set_duty(LED_SPEED(color), LED_CHANNEL(color), 0);
ledc_update_duty(LED_SPEED(color), LED_CHANNEL(color));
wait = portMAX_DELAY;
break;
case LED_FAST:
gpio_set_level(color, 1);
ledc_set_duty(LED_SPEED(color), LED_CHANNEL(color), LED_DUTY);
ledc_update_duty(LED_SPEED(color), LED_CHANNEL(color));
vTaskDelay(40 / portTICK_PERIOD_MS);
gpio_set_level(color, 0);
ledc_set_duty(LED_SPEED(color), LED_CHANNEL(color), 0);
ledc_update_duty(LED_SPEED(color), LED_CHANNEL(color));
wait = 40 / portTICK_PERIOD_MS;
break;
case LED_SLOW:
gpio_set_level(color, 1);
ledc_set_fade_with_time(LED_SPEED(color), LED_CHANNEL(color), LED_DUTY, 400);
ledc_fade_start(LED_SPEED(color), LED_CHANNEL(color), LEDC_FADE_NO_WAIT);
vTaskDelay(500 / portTICK_PERIOD_MS);
gpio_set_level(color, 0);
ledc_set_fade_with_time(LED_SPEED(color), LED_CHANNEL(color), 0, 400);
ledc_fade_start(LED_SPEED(color), LED_CHANNEL(color), LEDC_FADE_NO_WAIT);
wait = 500 / portTICK_PERIOD_MS;
break;
default:

6
main/led.h
View File

@ -26,6 +26,7 @@
#define LED_H
/* prototypes */
void led_dispatch(void *pvParameters);
void led_init(void);
void led_task(void *pvParameters);
@ -36,5 +37,10 @@ void led_task(void *pvParameters);
#define LED_SLOW (1 << 3)
#define LED_FAST (1 << 4)
#define LED_DUTY 4096
#define LED_CHANNEL(c) ledc_channel[c - 20].channel
#define LED_SPEED(c) ledc_channel[c - 20].speed_mode
#endif

2
main/main.c
View File

@ -77,7 +77,7 @@ void app_main(void)
/* put LED error ON if no inputs (/BTOFF and no /ADBSRC) */
if (gpio_get_level(GPIO_BTOFF) == 0 && gpio_get_level(GPIO_ADBSRC) == 1) {
ESP_LOGE(TAG, "Bluetooth is off and ADB is in device mode!");
ESP_LOGE(TAG, "Bluetooth is off and ADB is NOT in host mode!");
xTaskNotify(t_red, LED_ON, eSetValueWithOverwrite);
}
}