mirror of
https://github.com/esphome/esphome.git
synced 2024-12-04 04:28:19 +01:00
ac0d921413
* 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>
83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
#include "mcp23x08_base.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace mcp23x08_base {
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static const char *const TAG = "mcp23x08_base";
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bool MCP23X08Base::digital_read(uint8_t pin) {
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uint8_t bit = pin % 8;
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uint8_t reg_addr = mcp23x08_base::MCP23X08_GPIO;
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uint8_t value = 0;
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this->read_reg(reg_addr, &value);
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return value & (1 << bit);
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}
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void MCP23X08Base::digital_write(uint8_t pin, bool value) {
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uint8_t reg_addr = mcp23x08_base::MCP23X08_OLAT;
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this->update_reg(pin, value, reg_addr);
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}
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void MCP23X08Base::pin_mode(uint8_t pin, gpio::Flags flags) {
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uint8_t iodir = mcp23x08_base::MCP23X08_IODIR;
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uint8_t gppu = mcp23x08_base::MCP23X08_GPPU;
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if (flags == gpio::FLAG_INPUT) {
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this->update_reg(pin, true, iodir);
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} else if (flags == (gpio::FLAG_INPUT | gpio::FLAG_PULLUP)) {
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this->update_reg(pin, true, iodir);
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this->update_reg(pin, true, gppu);
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} else if (flags == gpio::FLAG_OUTPUT) {
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this->update_reg(pin, false, iodir);
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}
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}
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void MCP23X08Base::pin_interrupt_mode(uint8_t pin, mcp23xxx_base::MCP23XXXInterruptMode interrupt_mode) {
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uint8_t gpinten = mcp23x08_base::MCP23X08_GPINTEN;
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uint8_t intcon = mcp23x08_base::MCP23X08_INTCON;
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uint8_t defval = mcp23x08_base::MCP23X08_DEFVAL;
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switch (interrupt_mode) {
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case mcp23xxx_base::MCP23XXX_CHANGE:
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this->update_reg(pin, true, gpinten);
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this->update_reg(pin, false, intcon);
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break;
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case mcp23xxx_base::MCP23XXX_RISING:
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this->update_reg(pin, true, gpinten);
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this->update_reg(pin, true, intcon);
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this->update_reg(pin, true, defval);
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break;
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case mcp23xxx_base::MCP23XXX_FALLING:
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this->update_reg(pin, true, gpinten);
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this->update_reg(pin, true, intcon);
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this->update_reg(pin, false, defval);
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break;
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case mcp23xxx_base::MCP23XXX_NO_INTERRUPT:
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this->update_reg(pin, false, gpinten);
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break;
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}
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}
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void MCP23X08Base::update_reg(uint8_t pin, bool pin_value, uint8_t reg_addr) {
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uint8_t bit = pin % 8;
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uint8_t reg_value = 0;
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if (reg_addr == mcp23x08_base::MCP23X08_OLAT) {
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reg_value = this->olat_;
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} else {
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this->read_reg(reg_addr, ®_value);
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}
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if (pin_value)
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reg_value |= 1 << bit;
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else
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reg_value &= ~(1 << bit);
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this->write_reg(reg_addr, reg_value);
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if (reg_addr == mcp23x08_base::MCP23X08_OLAT) {
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this->olat_ = reg_value;
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}
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}
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} // namespace mcp23x08_base
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} // namespace esphome
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