jepler/wifi-ntp-pps
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Add neopixel for status

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Jeff Epler 2022-01-07 16:34:11 -06:00
parent 3f78057281
commit 808d5f11c3
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GPG key ID: D5BF15AB975AB4DE
2 changed files with 43 additions and 4 deletions
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2
CMakeLists.txt
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@ -4,7 +4,7 @@ cmake_minimum_required(VERSION 3.5)
# (Not part of the boilerplate)
# This example uses an extra component for common functions such as Wi-Fi and Ethernet connection.
set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/examples/common_components/protocol_examples_common" "$ENV{IDF_PATH}/examples/peripherals/rmt/led_strip/components/led_strip")
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
project(sntp)

45
main/sntp_example_main.c
View file

@ -20,8 +20,12 @@
#include "esp_attr.h"
#include "esp_sleep.h"
#include "nvs_flash.h"
#include "protocol_examples_common.h"
#include "esp_sntp.h"
#include "led_strip.h"
#include "driver/rmt.h"
#include "protocol_examples_common.h"
#define RMT_TX_CHANNEL RMT_CHANNEL_0
static const char *TAG = "example";
@ -32,18 +36,43 @@ void time_sync_notification_cb(struct timeval *tv)
ever_set = true;
}
#define RED 1,0,0
#define GREEN 0,1,0
#define BLACK 0,0,0
#define led_set(strip, arg) do { strip->set_pixel(strip, 0, arg); strip->refresh(strip, 100); } while(0)
// Pin settings for QT Py ESP32-S2
#define NEOPIXEL_PWR (38)
#define NEOPIXEL (39) // AKA MTCK
#define GPIO_PPS (18) // QT Py ESP32-S2 Silk "A0"
void app_main(void)
{
{
gpio_config_t setting = {
.pin_bit_mask = (1ull << GPIO_PPS),
.pin_bit_mask = (1ull << GPIO_PPS) | (1ull << NEOPIXEL_PWR),
.mode = GPIO_MODE_OUTPUT,
};
gpio_config(&setting);
}
gpio_set_level(NEOPIXEL_PWR, true);
rmt_config_t config = RMT_DEFAULT_CONFIG_TX(NEOPIXEL, RMT_TX_CHANNEL);
// set counter clock to 40MHz
config.clk_div = 2;
ESP_ERROR_CHECK(rmt_config(&config));
ESP_ERROR_CHECK(rmt_driver_install(config.channel, 0, 0));
// install ws2812 driver
led_strip_config_t strip_config = LED_STRIP_DEFAULT_CONFIG(1, (led_strip_dev_t)config.channel);
led_strip_t *strip = led_strip_new_rmt_ws2812(&strip_config);
if (!strip) {
ESP_LOGE(TAG, "install WS2812 driver failed");
}
led_set(strip, RED);
ESP_ERROR_CHECK( nvs_flash_init() );
ESP_ERROR_CHECK(esp_netif_init());
ESP_ERROR_CHECK( esp_event_loop_create_default() );
@ -64,10 +93,20 @@ void app_main(void)
while(true) {
struct timeval tv;
gettimeofday(&tv, NULL);
unsigned duty = ever_set ? 100000 : 500000;
const unsigned duty = 100000;
bool state = tv.tv_usec < duty;
gpio_set_level(GPIO_PPS, state);
if (state) {
if(ever_set) {
led_set(strip, GREEN);
} else {
led_set(strip, RED);
}
} else {
led_set(strip, BLACK);
}
unsigned long sleep_us = 1000000 - tv.tv_usec;
if(tv.tv_usec < duty) {
sleep_us = duty - tv.tv_usec;