Files
esphome-dev/esphome/components/mcp23016/mcp23016.cpp
T
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

91 lines
2.6 KiB
C++

#include "mcp23016.h"
#include "esphome/core/log.h"
#include <cstdio>
namespace esphome {
namespace mcp23016 {
static const char *const TAG = "mcp23016";
void MCP23016::setup() {
ESP_LOGCONFIG(TAG, "Setting up MCP23016...");
uint8_t iocon;
if (!this->read_reg_(MCP23016_IOCON0, &iocon)) {
this->mark_failed();
return;
}
// all pins input
this->write_reg_(MCP23016_IODIR0, 0xFF);
this->write_reg_(MCP23016_IODIR1, 0xFF);
}
bool MCP23016::digital_read(uint8_t pin) {
uint8_t bit = pin % 8;
uint8_t reg_addr = pin < 8 ? MCP23016_GP0 : MCP23016_GP1;
uint8_t value = 0;
this->read_reg_(reg_addr, &value);
return value & (1 << bit);
}
void MCP23016::digital_write(uint8_t pin, bool value) {
uint8_t reg_addr = pin < 8 ? MCP23016_OLAT0 : MCP23016_OLAT1;
this->update_reg_(pin, value, reg_addr);
}
void MCP23016::pin_mode(uint8_t pin, gpio::Flags flags) {
uint8_t iodir = pin < 8 ? MCP23016_IODIR0 : MCP23016_IODIR1;
if (flags == gpio::FLAG_INPUT) {
this->update_reg_(pin, true, iodir);
} else if (flags == gpio::FLAG_OUTPUT) {
this->update_reg_(pin, false, iodir);
}
}
float MCP23016::get_setup_priority() const { return setup_priority::HARDWARE; }
bool MCP23016::read_reg_(uint8_t reg, uint8_t *value) {
if (this->is_failed())
return false;
return this->read_byte(reg, value);
}
bool MCP23016::write_reg_(uint8_t reg, uint8_t value) {
if (this->is_failed())
return false;
return this->write_byte(reg, value);
}
void MCP23016::update_reg_(uint8_t pin, bool pin_value, uint8_t reg_addr) {
uint8_t bit = pin % 8;
uint8_t reg_value = 0;
if (reg_addr == MCP23016_OLAT0) {
reg_value = this->olat_0_;
} else if (reg_addr == MCP23016_OLAT1) {
reg_value = this->olat_1_;
} else {
this->read_reg_(reg_addr, &reg_value);
}
if (pin_value)
reg_value |= 1 << bit;
else
reg_value &= ~(1 << bit);
this->write_reg_(reg_addr, reg_value);
if (reg_addr == MCP23016_OLAT0) {
this->olat_0_ = reg_value;
} else if (reg_addr == MCP23016_OLAT1) {
this->olat_1_ = reg_value;
}
}
void MCP23016GPIOPin::setup() { pin_mode(flags_); }
void MCP23016GPIOPin::pin_mode(gpio::Flags flags) { this->parent_->pin_mode(this->pin_, flags); }
bool MCP23016GPIOPin::digital_read() { return this->parent_->digital_read(this->pin_) != this->inverted_; }
void MCP23016GPIOPin::digital_write(bool value) { this->parent_->digital_write(this->pin_, value != this->inverted_); }
std::string MCP23016GPIOPin::dump_summary() const {
char buffer[32];
snprintf(buffer, sizeof(buffer), "%u via MCP23016", pin_);
return buffer;
}
} // namespace mcp23016
} // namespace esphome