alexey.zholtikov/esp-idf-mpr121
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Added support for ESP32C2

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nopnop2002
2023-02-18 08:41:56 +09:00
parent fe4cdd795b
commit 0bb4ee61b2
2 changed files with 11 additions and 10 deletions
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12
README.md
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@@ -3,22 +3,22 @@ MPR121 Capacitive Touch Driver for esp-idf.
I ported from [here](https://github.com/BareConductive/mpr121).
# Software requirements
ESP-IDF V4.4/V5.0.
ESP-IDF V5 is required when using ESP32-C2.
# Hardware requirements
MPR121 Capacitive Touch switch.
![mpr121-1](https://user-images.githubusercontent.com/6020549/147515909-cd50a16a-5c60-4bd0-bc32-c288f5d8ee88.JPG)
# Software requirements
esp-idf v4.4 or later.
This is because this version supports ESP32-C3.
# Installation
```Shell
git clone https://github.com/nopnop2002/esp-idf-mpr121
cd esp-idf-mpr121
idf.py set-target {esp32/esp32s2/esp32s3/esp32c3}
idf.py set-target {esp32/esp32s2/esp32s3/esp32c2/esp32c3}
idf.py menuconfig
idf.py flash
```
@@ -32,7 +32,7 @@ idf.py flash
# Wirering
|MPR121||ESP32|ESP32-S2/S3|ESP32-C3|
|MPR121||ESP32|ESP32-S2/S3|ESP32-C2/C3|
|:-:|:-:|:-:|:-:|:-:|
|SCL|--|GPIO4|GPIO16|GPIO6|
|SDA|--|GPIO5|GPIO17|GPIO7|

9
main/Kconfig.projbuild
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@@ -4,8 +4,9 @@ menu "MPR121 Configuration"
int
default 33 if IDF_TARGET_ESP32
default 46 if IDF_TARGET_ESP32S2
default 19 if IDF_TARGET_ESP32C3
default 48 if IDF_TARGET_ESP32S3
default 18 if IDF_TARGET_ESP32C2
default 19 if IDF_TARGET_ESP32C3
config I2C_ADDRESS
hex "I2C address"
@@ -16,8 +17,8 @@ menu "MPR121 Configuration"
config SCL_GPIO
int "SCL GPIO number"
range 0 GPIO_RANGE_MAX
default 6 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32H2
default 16 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
default 6 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C2
default 4
help
GPIO number (IOxx) to SCL.
@@ -26,8 +27,8 @@ menu "MPR121 Configuration"
config SDA_GPIO
int "SDA GPIO number"
range 0 GPIO_RANGE_MAX
default 7 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32H2
default 17 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
default 7 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C2
default 5
help
GPIO number (IOxx) to SDA.
@@ -36,8 +37,8 @@ menu "MPR121 Configuration"
config IRQ_GPIO
int "IRQ GPIO number"
range 0 GPIO_RANGE_MAX
default 8 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32H2
default 18 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
default 8 if IDF_TARGET_ESP32C3 || IDF_TARGET_ESP32C2
default 15
help
GPIO number (IOxx) to IRQ.