alex/esp-idf
alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2024-09-20 00:36:01 -04:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

rmt: update ir example to work with esp32s3 out of box

Browse Source
This commit is contained in:
morris 2021-11-30 18:03:00 +08:00
parent 815203f401
commit ed1fe1d5ba
3 changed files with 29 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
examples/peripherals/rmt/ir_protocols/README.md
View File

@ -1,3 +1,5 @@
| Supported Targets | ESP32 | ESP32-S2 | ESP32-C3 | ESP32-S3 |
| ----------------- | ----- | -------- | -------- | -------- |
# IR Protocol Example # IR Protocol Example
(See the README.md file in the upper level 'examples' directory for more information about examples.) (See the README.md file in the upper level 'examples' directory for more information about examples.)
@ -12,31 +14,33 @@ The example supports building and parsing both normal and extended NEC/RC5 proto
### Hardware Required ### Hardware Required
* A development board with ESP32 SoC (e.g. ESP32-DevKitC or ESP-WROVER-KIT) * A development board with supported SoC mentioned in the above `Supported Targets` table
* An USB cable for power supply and programming * An USB cable for power supply and programming
* A 5mm infrared LED (e.g. IR333C) used to transmit encoded IR signals * A 5mm infrared LED (e.g. IR333C) used to transmit encoded IR signals
* An infrared receiver module (e.g. IRM-3638T), which integrates a demodulator and AGC circuit. * An infrared receiver module (e.g. IRM-3638T), which integrates a demodulator and AGC circuit.
Example connection : Example connection :
| ESP32 | IR333C | IRM-3638T | | ESP chip | IR333C | IRM-3638T |
| -------- | ------ | --------- | | --------------------------- | ------ | --------- |
| GPIO18 | Tx | × | | CONFIG_EXAMPLE_RMT_TX_GPIO | Tx | × |
| GPIO19 | × | Rx | | CONFIG_EXAMPLE_RMT_RX_GPIO | × | Rx |
| VCC 5V | √ | × | | VCC 5V | √ | × |
| VCC 3.3V | × | √ | | VCC 3.3V | × | √ |
| GND | GND | GND | | GND | GND | GND |
### Configure the Project ### Configure the Project
Open the project configuration menu (`idf.py menuconfig`). Open the project configuration menu (`idf.py menuconfig`).
In the `Example Configuration` menu: In the `Example Configuration` menu:
* Select the infrared protocol used in the example under `Infrared Protocol` option. * Select the infrared protocol used in the example under `Infrared Protocol` option.
* Set the GPIO number used for transmitting the IR signal under `RMT TX GPIO` option. * Set the GPIO number used for transmitting the IR signal under `RMT TX GPIO` option.
* Set the GPIO number used for receiving the demodulated IR signal under `RMT RX GPIO` option. * Set the GPIO number used for receiving the demodulated IR signal under `RMT RX GPIO` option.
* Set the RMT TX channel number under `RMT TX Channel Number` option.
* Set the RMT RX channel number under `RMT RX Channel Number` option.
### Build and Flash ### Build and Flash
@ -44,11 +48,7 @@ Run `idf.py -p PORT flash monitor` to build, flash and monitor the project.
(To exit the serial monitor, type ``Ctrl-]``.) (To exit the serial monitor, type ``Ctrl-]``.)
See the Getting Started Guide for all the steps to configure and use the ESP-IDF to build projects. See the [Getting Started Guide](https://docs.espressif.com/projects/esp-idf/en/latest/get-started/index.html) for full steps to configure and use ESP-IDF to build projects.
* [ESP-IDF Getting Started Guide on ESP32](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/get-started/index.html)
* [ESP-IDF Getting Started Guide on ESP32-S2](https://docs.espressif.com/projects/esp-idf/en/latest/esp32s2/get-started/index.html)
* [ESP-IDF Getting Started Guide on ESP32-C3](https://docs.espressif.com/projects/esp-idf/en/latest/esp32c3/get-started/index.html)
## Example Output ## Example Output

13
examples/peripherals/rmt/ir_protocols/main/Kconfig.projbuild
View File

@ -30,4 +30,17 @@ menu "Example Configuration"
default 19 default 19
help help
Set the GPIO number used for receiving the RMT signal. Set the GPIO number used for receiving the RMT signal.
config EXAMPLE_RMT_TX_CHANNEL
int "RMT TX Channel Number"
default 0
help
Set the RMT TX channel number.
config EXAMPLE_RMT_RX_CHANNEL
int "RMT RX Channel Number"
default 4 if IDF_TARGET_ESP32S3
default 2
help
Set the RMT RX channel number.
endmenu endmenu

4
examples/peripherals/rmt/ir_protocols/main/ir_protocols_main.c
View File

@ -17,8 +17,8 @@
static const char *TAG = "example"; static const char *TAG = "example";
static rmt_channel_t example_tx_channel = RMT_CHANNEL_0; static rmt_channel_t example_tx_channel = CONFIG_EXAMPLE_RMT_TX_CHANNEL;
static rmt_channel_t example_rx_channel = RMT_CHANNEL_2; static rmt_channel_t example_rx_channel = CONFIG_EXAMPLE_RMT_RX_CHANNEL;
/** /**
* @brief RMT Receive Task * @brief RMT Receive Task