esphome/esphome/components/mpr121/mpr121.cpp
Otto Winter ac0d921413
ESP-IDF support and generic target platforms (#2303)
* Socket refactor and SSL

* esp-idf temp

* Fixes

* Echo component and noise

* Add noise API transport support

* Updates

* ESP-IDF

* Complete

* Fixes

* Fixes

* Versions update

* New i2c APIs

* Complete i2c refactor

* SPI migration

* Revert ESP Preferences migration, too complex for now

* OTA support

* Remove echo again

* Remove ssl again

* GPIOFlags updates

* Rename esphal and ICACHE_RAM_ATTR

* Make ESP32 arduino compilable again

* Fix GPIO flags

* Complete pin registry refactor and fixes

* Fixes to make test1 compile

* Remove sdkconfig file

* Ignore sdkconfig file

* Fixes in reviewing

* Make test2 compile

* Make test4 compile

* Make test5 compile

* Run clang-format

* Fix lint errors

* Use esp-idf APIs instead of btStart

* Another round of fixes

* Start implementing ESP8266

* Make test3 compile

* Guard esp8266 code

* Lint

* Reformat

* Fixes

* Fixes v2

* more fixes

* ESP-IDF tidy target

* Convert ARDUINO_ARCH_ESPxx

* Update WiFiSignalSensor

* Update time ifdefs

* OTA needs millis from hal

* RestartSwitch needs delay from hal

* ESP-IDF Uart

* Fix OTA blank password

* Allow setting sdkconfig

* Fix idf partitions and allow setting sdkconfig from yaml

* Re-add read/write compat APIs and fix esp8266 uart

* Fix esp8266 store log strings in flash

* Fix ESP32 arduino preferences not initialized

* Update ifdefs

* Change how sdkconfig change is detected

* Add checks to ci-custom and fix them

* Run clang-format

* Add esp-idf clang-tidy target and fix errors

* Fixes from clang-tidy idf round 2

* Fixes from compiling tests with esp-idf

* Run clang-format

* Switch test5.yaml to esp-idf

* Implement ESP8266 Preferences

* Lint

* Re-do PIO package version selection a bit

* Fix arduinoespressif32 package version

* Fix unit tests

* Lint

* Lint fixes

* Fix readv/writev not defined

* Fix graphing component

* Re-add all old options from core/config.py

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
2021-09-20 11:47:51 +02:00

92 lines
2.5 KiB
C++

#include "mpr121.h"
#include "esphome/core/log.h"
#include "esphome/core/hal.h"
namespace esphome {
namespace mpr121 {
static const char *const TAG = "mpr121";
void MPR121Component::setup() {
ESP_LOGCONFIG(TAG, "Setting up MPR121...");
// soft reset device
this->write_byte(MPR121_SOFTRESET, 0x63);
delay(100); // NOLINT
if (!this->write_byte(MPR121_ECR, 0x0)) {
this->error_code_ = COMMUNICATION_FAILED;
this->mark_failed();
return;
}
// set touch sensitivity for all 12 channels
for (auto *channel : this->channels_) {
this->write_byte(MPR121_TOUCHTH_0 + 2 * channel->channel_,
channel->touch_threshold_.value_or(this->touch_threshold_));
this->write_byte(MPR121_RELEASETH_0 + 2 * channel->channel_,
channel->release_threshold_.value_or(this->release_threshold_));
}
this->write_byte(MPR121_MHDR, 0x01);
this->write_byte(MPR121_NHDR, 0x01);
this->write_byte(MPR121_NCLR, 0x0E);
this->write_byte(MPR121_FDLR, 0x00);
this->write_byte(MPR121_MHDF, 0x01);
this->write_byte(MPR121_NHDF, 0x05);
this->write_byte(MPR121_NCLF, 0x01);
this->write_byte(MPR121_FDLF, 0x00);
this->write_byte(MPR121_NHDT, 0x00);
this->write_byte(MPR121_NCLT, 0x00);
this->write_byte(MPR121_FDLT, 0x00);
this->write_byte(MPR121_DEBOUNCE, 0);
// default, 16uA charge current
this->write_byte(MPR121_CONFIG1, 0x10);
// 0.5uS encoding, 1ms period
this->write_byte(MPR121_CONFIG2, 0x20);
// start with first 5 bits of baseline tracking
this->write_byte(MPR121_ECR, 0x8F);
}
void MPR121Component::set_touch_debounce(uint8_t debounce) {
uint8_t mask = debounce << 4;
this->debounce_ &= 0x0f;
this->debounce_ |= mask;
}
void MPR121Component::set_release_debounce(uint8_t debounce) {
uint8_t mask = debounce & 0x0f;
this->debounce_ &= 0xf0;
this->debounce_ |= mask;
};
void MPR121Component::dump_config() {
ESP_LOGCONFIG(TAG, "MPR121:");
LOG_I2C_DEVICE(this);
switch (this->error_code_) {
case COMMUNICATION_FAILED:
ESP_LOGE(TAG, "Communication with MPR121 failed!");
break;
case WRONG_CHIP_STATE:
ESP_LOGE(TAG, "MPR121 has wrong default value for CONFIG2?");
break;
case NONE:
default:
break;
}
}
void MPR121Component::loop() {
uint16_t val = 0;
this->read_byte_16(MPR121_TOUCHSTATUS_L, &val);
// Flip order
uint8_t lsb = val >> 8;
uint8_t msb = val;
val = (uint16_t(msb) << 8) | lsb;
for (auto *channel : this->channels_)
channel->process(val);
}
} // namespace mpr121
} // namespace esphome