forked from W4D/soundcube-firmware
111 lines
2.3 KiB
C
111 lines
2.3 KiB
C
#pragma once
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#ifndef DEBUG
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#define DEBUG false
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#endif
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struct CodecSettings{
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CodecSettings(uint8_t i2c_address, TwoWire *wire) : wire(wire), i2cAddress(i2c_address) {}
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TwoWire *wire;
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uint8_t i2cAddress = 0x18;
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uint8_t page;
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uint8_t reg;
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uint8_t len;
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virtual uint8_t get() = 0;
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void write(){
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selectPage(page);
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cw(reg, get());
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}
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void read(uint8_t result[]){
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selectPage(page);
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cr(reg, result, len);
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}
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void selectPage(int page){
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cw(0x00, page);
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}
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void cw(unsigned char first, unsigned char second){
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Wire1.beginTransmission(i2cAddress);
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Wire1.write(first);
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Wire1.write(second);
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int result = Wire1.endTransmission();
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if(DEBUG){
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Serial.print(i2cAddress, HEX);
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Serial.print(" ");
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Serial.print(first, HEX);
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Serial.print(" ");
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Serial.print(second, HEX);
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Serial.print(" : ");
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if(result == 0) {
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Serial.println("OK");
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} else {
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Serial.print("ERROR: ");
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Serial.println(result);
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}
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}
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delay(5);
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}
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void cr(unsigned char first, uint8_t result[], size_t len){
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Wire1.beginTransmission(i2cAddress);
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Wire1.write(first); // set register for read
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Wire1.endTransmission(false); // false to not release the line
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Wire1.requestFrom(i2cAddress, len, true);
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Wire1.readBytes(result, len);
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if(DEBUG){
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Serial.print(first, HEX);
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Serial.print(" ");
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for (int i = 0; i < len; i++) {
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Serial.print(result[i], HEX);
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Serial.print(" ");
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Serial.println(result[i], BIN);
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}
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}
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}
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};
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struct ClockSettings1 : public CodecSettings{
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ClockSettings1(uint8_t i2c_address, TwoWire *wire) : CodecSettings(i2c_address, wire) {}
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uint8_t page = 0x00;
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uint8_t reg = 0x04;
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uint8_t len = 1;
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enum PLLRange{
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PLL_HIGH = 0b01000000,
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PLL_LOW = 0b00000000
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};
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enum PLLInputClock{
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PLL_IN_MCLK = 0b00000000,
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PLL_IN_BCLK = 0b00000100,
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PLL_IN_GPIO = 0b00001000,
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PLL_IN_DIN = 0b00001100
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};
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enum CodecInputClock{
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CODEC_IN_MCLK = 0b00000000,
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CODEC_IN_BCLK = 0b00000001,
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CODEC_IN_GPIO = 0b00000010,
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CODEC_IN_PLL = 0b00000011
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};
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PLLRange pll_range = PLL_LOW;
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PLLInputClock pll_input_clock = PLL_IN_MCLK;
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CodecInputClock codec_input_clock = CODEC_IN_MCLK;
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uint8_t get(){
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return pll_range | pll_input_clock | codec_input_clock;
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}
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};
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