adafruit-mirror/arduino-esp32
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

feat(rmt): fixes example to run correctly within IDF 5.x (#11292)

Browse source 
* feat(rmt): fixes exaple to run correctly within IDF 5.x

* ci(pre-commit): Apply automatic fixes

---------

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
This commit is contained in:
Sugar Glider 2025-04-28 12:46:12 -03:00 committed by GitHub
parent 5df9b64023
commit 8d121e075f
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 23 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

45
libraries/ESP32/examples/RMT/RMT_LED_Blink/RMT_LED_Blink.ino
View file

@ -1,4 +1,4 @@
// Copyright 2023 Espressif Systems (Shanghai) PTE LTD // Copyright 2025 Espressif Systems (Shanghai) PTE LTD
// //
// Licensed under the Apache License, Version 2.0 (the "License"); // Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. // you may not use this file except in compliance with the License.
@ -13,16 +13,16 @@
// limitations under the License. // limitations under the License.
/** /**
* @brief This example demonstrate how to use RMT to just blink a regular LED (GPIO) @brief This example demonstrate how to use RMT to just blink a regular LED (GPIO)
* It uses all the different RMT Writing APIs to blink the LED by hardware, not being It uses all the different RMT Writing APIs to blink the LED by hardware, not being
* necessary the regular Blink code in Arduino. necessary the regular Blink code in Arduino.
*
* The output is the Blinking LED in the GPIO and a serial output describing what is The output is the Blinking LED in the GPIO and a serial output describing what is
* going on, along the execution. going on, along the execution.
*
* The circuit is just a LED and a resistor of 270 ohms connected to the GPIO The circuit is just a LED and a resistor of 270 ohms connected to the GPIO
* GPIO ---> resistor 270 ohms ---> + LED - ---> GND GPIO ---> resistor 270 ohms ---> + LED - ---> GND
*/ */
#define BLINK_GPIO 2 #define BLINK_GPIO 2
@ -232,7 +232,7 @@ void RMT_Mixed_Write_Blink() {
Serial.println("===> rmtWrite() (Blocking Mode) to Blink the LED."); Serial.println("===> rmtWrite() (Blocking Mode) to Blink the LED.");
Serial.println("Blinking at 500ms on + 500ms off :: 4 blinks"); Serial.println("Blinking at 500ms on + 500ms off :: 4 blinks");
for (uint8_t i = 0; i < 4; i++) { for (uint8_t i = 0; i < 4; i++) {
if (!rmtWrite(BLINK_GPIO, blink_500ms_rmt_data, RMT_SYMBOLS_OF(blink_500ms_rmt_data) - 2, RMT_WAIT_FOR_EVER)) { if (!rmtWrite(BLINK_GPIO, blink_500ms_rmt_data, RMT_SYMBOLS_OF(blink_500ms_rmt_data) - 1, RMT_WAIT_FOR_EVER)) {
Serial.println("===> rmtWrite Blink 0.5s Error!"); Serial.println("===> rmtWrite Blink 0.5s Error!");
} }
} }
@ -240,7 +240,7 @@ void RMT_Mixed_Write_Blink() {
Serial.println("===> rmtWriteAsync() (Non-Blocking Mode) to Blink the LED."); Serial.println("===> rmtWriteAsync() (Non-Blocking Mode) to Blink the LED.");
Serial.println("Blinking at 250ms on + 250ms off :: 5 blinks"); Serial.println("Blinking at 250ms on + 250ms off :: 5 blinks");
for (uint8_t i = 0; i < 5; i++) { for (uint8_t i = 0; i < 5; i++) {
if (!rmtWriteAsync(BLINK_GPIO, blink_250ms_rmt_data, RMT_SYMBOLS_OF(blink_250ms_rmt_data) - 2)) { if (!rmtWriteAsync(BLINK_GPIO, blink_250ms_rmt_data, RMT_SYMBOLS_OF(blink_250ms_rmt_data) - 1)) {
Serial.println("===> rmtWrite Blink 0.25s Error!"); Serial.println("===> rmtWrite Blink 0.25s Error!");
} }
// wait (blocks) until all the data is sent out // wait (blocks) until all the data is sent out
@ -267,9 +267,11 @@ void RMT_Loop_Write_Blink() {
Serial.println("===> rmtWriteLooping Blink 0.25s Error!"); Serial.println("===> rmtWriteLooping Blink 0.25s Error!");
} }
delay(5000); delay(5000);
Serial.println("Blinking OFF for 2 seconds"); Serial.println("Blinking OFF for 2 seconds");
if (!rmtWriteLooping(BLINK_GPIO, NULL, 0)) { rmt_data_t blink_STOP_rmt_data[] = {{0, 0, 0, 0}};
Serial.println("===> rmtWriteLooping Blink OFF Error!"); if (!rmtWrite(BLINK_GPIO, blink_STOP_rmt_data, RMT_SYMBOLS_OF(blink_STOP_rmt_data), RMT_WAIT_FOR_EVER)) {
Serial.println("===> rmtWrite Blink STOP Error!");
} }
delay(2000); delay(2000);
} }
@ -278,19 +280,19 @@ void RMT_Single_Write_Blocking_Blink() {
Serial.println("Using RMT Writing and its Completion to blink an LED."); Serial.println("Using RMT Writing and its Completion to blink an LED.");
Serial.println("Blinking at 1s on + 1s off :: 2 blinks"); Serial.println("Blinking at 1s on + 1s off :: 2 blinks");
for (uint8_t i = 0; i < 2; i++) { for (uint8_t i = 0; i < 2; i++) {
if (!rmtWrite(BLINK_GPIO, blink_1s_rmt_data, RMT_SYMBOLS_OF(blink_1s_rmt_data) - 2, RMT_WAIT_FOR_EVER)) { if (!rmtWrite(BLINK_GPIO, blink_1s_rmt_data, RMT_SYMBOLS_OF(blink_1s_rmt_data) - 1, RMT_WAIT_FOR_EVER)) {
Serial.println("===> rmtWrite Blink 1s Error!"); Serial.println("===> rmtWrite Blink 1s Error!");
} }
} }
Serial.println("Blinking at 500ms on + 500ms off :: 4 blinks"); Serial.println("Blinking at 500ms on + 500ms off :: 4 blinks");
for (uint8_t i = 0; i < 4; i++) { for (uint8_t i = 0; i < 4; i++) {
if (!rmtWrite(BLINK_GPIO, blink_500ms_rmt_data, RMT_SYMBOLS_OF(blink_500ms_rmt_data) - 2, RMT_WAIT_FOR_EVER)) { if (!rmtWrite(BLINK_GPIO, blink_500ms_rmt_data, RMT_SYMBOLS_OF(blink_500ms_rmt_data) - 1, RMT_WAIT_FOR_EVER)) {
Serial.println("===> rmtWrite Blink 0.5s Error!"); Serial.println("===> rmtWrite Blink 0.5s Error!");
} }
} }
Serial.println("Blinking at 250ms on + 250ms off :: 8 blinks"); Serial.println("Blinking at 250ms on + 250ms off :: 8 blinks");
for (uint8_t i = 0; i < 8; i++) { for (uint8_t i = 0; i < 8; i++) {
if (!rmtWrite(BLINK_GPIO, blink_250ms_rmt_data, RMT_SYMBOLS_OF(blink_250ms_rmt_data) - 2, RMT_WAIT_FOR_EVER)) { if (!rmtWrite(BLINK_GPIO, blink_250ms_rmt_data, RMT_SYMBOLS_OF(blink_250ms_rmt_data) - 1, RMT_WAIT_FOR_EVER)) {
Serial.println("===> rmtWrite Blink 0.25s Error!"); Serial.println("===> rmtWrite Blink 0.25s Error!");
} }
} }
@ -302,7 +304,7 @@ void RMT_Write_Aync_Non_Blocking_Blink() {
Serial.println("Using RMT Async Writing and its Completion to blink an LED."); Serial.println("Using RMT Async Writing and its Completion to blink an LED.");
Serial.println("Blinking at 1s on + 1s off :: 5 blinks"); Serial.println("Blinking at 1s on + 1s off :: 5 blinks");
for (uint8_t i = 0; i < 5; i++) { for (uint8_t i = 0; i < 5; i++) {
if (!rmtWriteAsync(BLINK_GPIO, blink_1s_rmt_data, RMT_SYMBOLS_OF(blink_1s_rmt_data) - 2)) { if (!rmtWriteAsync(BLINK_GPIO, blink_1s_rmt_data, RMT_SYMBOLS_OF(blink_1s_rmt_data) - 1)) {
Serial.println("===> rmtWrite Blink 1s Error!"); Serial.println("===> rmtWrite Blink 1s Error!");
} }
// wait (blocks) until all the data is sent out // wait (blocks) until all the data is sent out
@ -310,7 +312,7 @@ void RMT_Write_Aync_Non_Blocking_Blink() {
} }
Serial.println("Blinking at 500ms on + 500ms off :: 5 blinks"); Serial.println("Blinking at 500ms on + 500ms off :: 5 blinks");
for (uint8_t i = 0; i < 5; i++) { for (uint8_t i = 0; i < 5; i++) {
if (!rmtWriteAsync(BLINK_GPIO, blink_500ms_rmt_data, RMT_SYMBOLS_OF(blink_500ms_rmt_data) - 2)) { if (!rmtWriteAsync(BLINK_GPIO, blink_500ms_rmt_data, RMT_SYMBOLS_OF(blink_500ms_rmt_data) - 1)) {
Serial.println("===> rmtWrite Blink 0.5s Error!"); Serial.println("===> rmtWrite Blink 0.5s Error!");
} }
// wait (blocks) until all the data is sent out // wait (blocks) until all the data is sent out
@ -318,7 +320,7 @@ void RMT_Write_Aync_Non_Blocking_Blink() {
} }
Serial.println("Blinking at 250ms on + 250ms off :: 5 blinks"); Serial.println("Blinking at 250ms on + 250ms off :: 5 blinks");
for (uint8_t i = 0; i < 5; i++) { for (uint8_t i = 0; i < 5; i++) {
if (!rmtWriteAsync(BLINK_GPIO, blink_250ms_rmt_data, RMT_SYMBOLS_OF(blink_250ms_rmt_data) - 2)) { if (!rmtWriteAsync(BLINK_GPIO, blink_250ms_rmt_data, RMT_SYMBOLS_OF(blink_250ms_rmt_data) - 1)) {
Serial.println("===> rmtWrite Blink 0.25s Error!"); Serial.println("===> rmtWrite Blink 0.25s Error!");
} }
// wait (blocks) until all the data is sent out // wait (blocks) until all the data is sent out
@ -345,7 +347,6 @@ void setup() {
RMT_Mixed_Write_Blink(); RMT_Mixed_Write_Blink();
Serial.println("End of Mixed Calls testing"); Serial.println("End of Mixed Calls testing");
delay(1000);
Serial.println("\n==============================="); Serial.println("\n===============================");
Serial.println("Starting a Blinking sequence..."); Serial.println("Starting a Blinking sequence...");