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esphome/esphome/components/es8388/es8388_component.cpp
2023-05-02 14:10:47 +12:00

76 lines
1.8 KiB
C++

#include "es8388_component.h"
#include "esphome/core/hal.h"
#include <soc/io_mux_reg.h>
namespace esphome {
namespace es8388 {
void ES8388Component::setup() {
PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0_CLK_OUT1);
WRITE_PERI_REG(PIN_CTRL, READ_PERI_REG(PIN_CTRL) & 0xFFFFFFF0);
// mute
this->write_byte(0x19, 0x04);
// powerup
this->write_byte(0x01, 0x50);
this->write_byte(0x02, 0x00);
// worker mode
this->write_byte(0x08, 0x00);
// DAC powerdown
this->write_byte(0x04, 0xC0);
// vmidsel/500k ADC/DAC idem
this->write_byte(0x00, 0x12);
// i2s 16 bits
this->write_byte(0x17, 0x18);
// sample freq 256
this->write_byte(0x18, 0x02);
// LIN2/RIN2 for mixer
this->write_byte(0x26, 0x00);
// left DAC to left mixer
this->write_byte(0x27, 0x90);
// right DAC to right mixer
this->write_byte(0x2A, 0x90);
// DACLRC ADCLRC idem
this->write_byte(0x2B, 0x80);
this->write_byte(0x2D, 0x00);
// DAC volume max
this->write_byte(0x1B, 0x00);
this->write_byte(0x1A, 0x00);
// ADC poweroff
this->write_byte(0x03, 0xFF);
// ADC amp 24dB
this->write_byte(0x09, 0x88);
// LINPUT1/RINPUT1
this->write_byte(0x0A, 0x00);
// ADC mono left
this->write_byte(0x0B, 0x02);
// i2S 16b
this->write_byte(0x0C, 0x0C);
// MCLK 256
this->write_byte(0x0D, 0x02);
// ADC Volume
this->write_byte(0x10, 0x00);
this->write_byte(0x11, 0x00);
// ALC OFF
this->write_byte(0x03, 0x09);
this->write_byte(0x2B, 0x80);
this->write_byte(0x02, 0xF0);
delay(1);
this->write_byte(0x02, 0x00);
// DAC power-up LOUT1/ROUT1 enabled
this->write_byte(0x04, 0x30);
this->write_byte(0x03, 0x00);
// DAC volume max
this->write_byte(0x2E, 0x1C);
this->write_byte(0x2F, 0x1C);
// unmute
this->write_byte(0x19, 0x00);
}
} // namespace es8388
} // namespace esphome