51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
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/* An example for the multipwm library
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* Connect LEDs to pins 12, 13, 15 to see the light changes
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*
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* Part of esp-open-rtos
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* Copyright (c) Sashka Nochkin (https://github.com/nochkin)
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* MIT Licensed
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*/
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#include "espressif/esp_common.h"
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#include "esp/uart.h"
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#include "FreeRTOS.h"
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#include "task.h"
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#include "multipwm.h"
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void multipwm_task(void *pvParameters)
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{
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uint32_t counts[] = {500, 2100, 3000};
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int32_t steps[] = {100, 300, 200};
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uint8_t pins[] = { 12, 13, 15};
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pwm_info_t pwm_info;
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pwm_info.channels = 3;
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multipwm_init(&pwm_info);
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for (uint8_t ii=0; ii<pwm_info.channels; ii++) {
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multipwm_set_pin(&pwm_info, ii, pins[ii]);
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}
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while(1) {
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multipwm_stop(&pwm_info);
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for (uint8_t ii=0; ii<pwm_info.channels; ii++) {
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multipwm_set_duty(&pwm_info, ii, counts[ii]);
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counts[ii] += steps[ii];
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if ((counts[ii] >= 10000) || (counts[ii] == 0)) {
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steps[ii] = -steps[ii];
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}
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}
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multipwm_start(&pwm_info);
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vTaskDelay(1);
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}
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}
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void user_init(void)
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{
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uart_set_baud(0, 115200);
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printf("SDK version:%s\n", sdk_system_get_sdk_version());
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xTaskCreate(multipwm_task, "multipwm", 256, NULL, 2, NULL);
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}
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