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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>
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
#include "gpio_lcd_display.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace lcd_gpio {
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static const char *const TAG = "lcd_gpio";
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void GPIOLCDDisplay::setup() {
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ESP_LOGCONFIG(TAG, "Setting up GPIO LCD Display...");
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this->rs_pin_->setup(); // OUTPUT
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this->rs_pin_->digital_write(false);
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if (this->rw_pin_ != nullptr) {
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this->rw_pin_->setup(); // OUTPUT
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this->rw_pin_->digital_write(false);
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}
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this->enable_pin_->setup(); // OUTPUT
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this->enable_pin_->digital_write(false);
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for (uint8_t i = 0; i < (this->is_four_bit_mode() ? 4 : 8); i++) {
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this->data_pins_[i]->setup(); // OUTPUT
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this->data_pins_[i]->digital_write(false);
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}
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LCDDisplay::setup();
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}
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void GPIOLCDDisplay::dump_config() {
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ESP_LOGCONFIG(TAG, "GPIO LCD Display:");
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ESP_LOGCONFIG(TAG, " Columns: %u, Rows: %u", this->columns_, this->rows_);
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LOG_PIN(" RS Pin: ", this->rs_pin_);
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LOG_PIN(" RW Pin: ", this->rw_pin_);
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LOG_PIN(" Enable Pin: ", this->enable_pin_);
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LOG_PIN(" Data Pin 0: ", data_pins_[0]);
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LOG_PIN(" Data Pin 1: ", data_pins_[1]);
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LOG_PIN(" Data Pin 2: ", data_pins_[2]);
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LOG_PIN(" Data Pin 3: ", data_pins_[3]);
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if (!is_four_bit_mode()) {
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LOG_PIN(" Data Pin 4: ", data_pins_[4]);
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LOG_PIN(" Data Pin 5: ", data_pins_[5]);
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LOG_PIN(" Data Pin 6: ", data_pins_[6]);
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LOG_PIN(" Data Pin 7: ", data_pins_[7]);
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}
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LOG_UPDATE_INTERVAL(this);
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}
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void GPIOLCDDisplay::write_n_bits(uint8_t value, uint8_t n) {
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for (uint8_t i = 0; i < n; i++)
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this->data_pins_[i]->digital_write(value & (1 << i));
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this->enable_pin_->digital_write(true);
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delayMicroseconds(1); // >450ns
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this->enable_pin_->digital_write(false);
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delayMicroseconds(40); // >37us
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}
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void GPIOLCDDisplay::send(uint8_t value, bool rs) {
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this->rs_pin_->digital_write(rs);
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if (this->is_four_bit_mode()) {
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this->write_n_bits(value >> 4, 4);
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this->write_n_bits(value, 4);
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} else {
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this->write_n_bits(value, 8);
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}
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}
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} // namespace lcd_gpio
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} // namespace esphome
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