// I2C configuration
static void codec_init()
{
//uint32_t delaycount;
uint8_t CodecCommandBuffer[5];
uint8_t regValue = 0xFF;
GPIO_SetBits(CODEC_RESET_PORT, CODEC_RESET_PIN);
//delaycount = 10000000;
//while (delaycount > 0)
//{
// delaycount--;
//}
PreenFM2_uDelay(100);
//keep codec OFF
CodecCommandBuffer[0] = CODEC_MAP_PLAYBACK_CTRL1;
CodecCommandBuffer[1] = 0x01;
send_codec_ctrl(CodecCommandBuffer, 2);
//begin initialization sequence (p. 32)
CodecCommandBuffer[0] = 0x00;
CodecCommandBuffer[1] = 0x99;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x47;
CodecCommandBuffer[1] = 0x80;
send_codec_ctrl(CodecCommandBuffer, 2);
regValue = read_codec_register(0x32);
CodecCommandBuffer[0] = 0x32;
CodecCommandBuffer[1] = regValue | 0x80;
send_codec_ctrl(CodecCommandBuffer, 2);
regValue = read_codec_register(0x32);
CodecCommandBuffer[0] = 0x32;
CodecCommandBuffer[1] = regValue & (~0x80);
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x00;
CodecCommandBuffer[1] = 0x00;
send_codec_ctrl(CodecCommandBuffer, 2);
//end of initialization sequence
CodecCommandBuffer[0] = CODEC_MAP_PWR_CTRL2;
CodecCommandBuffer[1] = 0xAF;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = CODEC_MAP_PLAYBACK_CTRL1;
CodecCommandBuffer[1] = 0x70;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = CODEC_MAP_CLK_CTRL;
CodecCommandBuffer[1] = 0x80; //0x81; //auto detect clock
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = CODEC_MAP_IF_CTRL1;
CodecCommandBuffer[1] = 0x05; //24bit
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x0A;
CodecCommandBuffer[1] = 0x00;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x27;
CodecCommandBuffer[1] = 0x00;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x1A | CODEC_MAPBYTE_INC;
CodecCommandBuffer[1] = 0x0A;
CodecCommandBuffer[2] = 0x0A;
send_codec_ctrl(CodecCommandBuffer, 3);
CodecCommandBuffer[0] = 0x1F;
CodecCommandBuffer[1] = 0x0F;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = CODEC_MAP_PWR_CTRL1;
CodecCommandBuffer[1] = 0x9E;
send_codec_ctrl(CodecCommandBuffer, 2);
}
void codec_ctrl_init()
{
uint32_t delaycount;
uint8_t CodecCommandBuffer[5];
uint8_t regValue = 0xFF;
//GPIO_SetBits(GPIOD, CODEC_RESET_PIN);
/* Turn on the audio driver */
HAL_GPIO_WritePin(GPIOD, GPIO_PIN_4, GPIO_PIN_SET);
/* STABILIZE */
delaycount = 1000000;
while (--delaycount > 0)
//keep codec OFF
CodecCommandBuffer[0] = CODEC_MAP_PWR_CTRL1;
CodecCommandBuffer[1] = 0x01;
send_codec_ctrl(CodecCommandBuffer, 2);
//begin initialization sequence (p. 32)
CodecCommandBuffer[0] = 0x00; //
CodecCommandBuffer[1] = 0x99; //
send_codec_ctrl(CodecCommandBuffer, 2); // I
// N
CodecCommandBuffer[0] = 0x47; // I
CodecCommandBuffer[1] = 0x80; // T
send_codec_ctrl(CodecCommandBuffer, 2); //
// I
regValue = read_codec_register(0x32); // N
// I
CodecCommandBuffer[0] = 0x32; // T
CodecCommandBuffer[1] = regValue | 0x80; //
send_codec_ctrl(CodecCommandBuffer, 2); // I
// N
regValue = read_codec_register(0x32); // I
// T
CodecCommandBuffer[0] = 0x32; //
CodecCommandBuffer[1] = regValue & (~0x80); // I
send_codec_ctrl(CodecCommandBuffer, 2); // N
// I
CodecCommandBuffer[0] = 0x00; // T
CodecCommandBuffer[1] = 0x00; //
send_codec_ctrl(CodecCommandBuffer, 2); //
//end of initialization sequence
CodecCommandBuffer[0] = CODEC_MAP_PWR_CTRL2;
CodecCommandBuffer[1] = 0xAF;
send_codec_ctrl(CodecCommandBuffer, 2);
/**
* ANLGSFTA
* ANLGGZCA
* PASSB=A
* PASSAMUTE
* PASSAVOL[7:0] (+12dB/-60dB .5dB steps)
*/
CodecCommandBuffer[0] = CODEC_MAP_PLAYBACK_CTRL1;
CodecCommandBuffer[1] = 0x70;
send_codec_ctrl(CodecCommandBuffer, 2);
/* PASSB=A (p.42) */
CodecCommandBuffer[0] = CODEC_MAP_PASSTHROUGH_GANG_CTRL;
CodecCommandBuffer[1] = 0x80;
send_codec_ctrl(CodecCommandBuffer, 2);
/* ANLGSFTA + ANLGZCA (p. 42) */
CodecCommandBuffer[0] = CODEC_MAP_ANALOG_SET;
CodecCommandBuffer[1] = 0xF;
send_codec_ctrl(CodecCommandBuffer, 2);
/* PASSASEL1 (p.42) - DEFAULT */
//CodecCommandBuffer[0] = CODEC_MAP_PASSTHROUGH_A_SELECT;
//CodecCommandBuffer[1] = 0x1;
//send_codec_ctrl(CodecCommandBuffer, 2);
/* PASSAMUTE (p. 44) */
//CodecCommandBuffer[0] = CODEC_MAP_MISC_CTRL;
//CodecCommandBuffer[1] = ;
//send_codec_ctrl(CodecCommandBuffer, 2);
/* PASSAVOL[7:0] - initialize to half-vol (p. 46) */
//CodecCommandBuffer[0] = CODEC_MAP_PASSTHROUGH_A_VOL;
//CodecCommandBuffer[1] = 0x7F;
//send_codec_ctrl(CodecCommandBuffer, 2);
/* PASSAVOL[7:0] - initialize to half-vol (p. 46) */
//CodecCommandBuffer[0] = CODEC_MAP_PASSTHROUGH_B_VOL;
//CodecCommandBuffer[1] = 0x7F;
//send_codec_ctrl(CodecCommandBuffer, 2);
/* PASSTHRUA/B (p.44) */
CodecCommandBuffer[0] = CODEC_MAP_MISC_CTRL;
CodecCommandBuffer[1] = 0xC2;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x1A | CODEC_MAPBYTE_INC;
CodecCommandBuffer[1] = 0x0A;
CodecCommandBuffer[2] = 0x0A;
send_codec_ctrl(CodecCommandBuffer, 3);
//CodecCommandBuffer[0] = CODEC_MAP_MASTER_A_VOL;
//CodecCommandBuffer[1] = 0x7F;
//send_codec_ctrl(CodecCommandBuffer, 2);
//CodecCommandBuffer[0] = CODEC_MAP_MASTER_B_VOL;
//CodecCommandBuffer[1] = 0x7F;
//send_codec_ctrl(CodecCommandBuffer, 2);
//CodecCommandBuffer[0] = CODEC_MAP_HP_A_VOL;
//CodecCommandBuffer[1] = 0x7F;
//send_codec_ctrl(CodecCommandBuffer, 2);
//CodecCommandBuffer[0] = CODEC_MAP_HP_B_VOL;
//CodecCommandBuffer[1] = 0x7F;
//send_codec_ctrl(CodecCommandBuffer, 2);
// CHECK 20/21,22/23,
/*CodecCommandBuffer[0] = CODEC_MAP_CLK_CTRL;
CodecCommandBuffer[1] = 0x81; //auto detect clock
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = CODEC_MAP_IF_CTRL1;
CodecCommandBuffer[1] = 0x07;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x0A;
CodecCommandBuffer[1] = 0x00;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x27;
CodecCommandBuffer[1] = 0x00;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x1A | CODEC_MAPBYTE_INC;
CodecCommandBuffer[1] = 0x0A;
CodecCommandBuffer[2] = 0x0A;
send_codec_ctrl(CodecCommandBuffer, 3);
CodecCommandBuffer[0] = 0x1F;
CodecCommandBuffer[1] = 0x0F;
send_codec_ctrl(CodecCommandBuffer, 2);*/
// Turn the bad boy on...
CodecCommandBuffer[0] = CODEC_MAP_PWR_CTRL1;
CodecCommandBuffer[1] = 0x9E;
send_codec_ctrl(CodecCommandBuffer, 2);
}
void codec_ctrl_init()
{
uint32_t delaycount;
uint8_t CodecCommandBuffer[5];
uint8_t regValue = 0xFF;
GPIO_SetBits(GPIOD, CODEC_RESET_PIN);
delaycount = 1000000;
while (delaycount > 0)
{
delaycount--;
}
//keep codec OFF
CodecCommandBuffer[0] = CODEC_MAP_PLAYBACK_CTRL1;
CodecCommandBuffer[1] = 0x01;
send_codec_ctrl(CodecCommandBuffer, 2);
//begin initialization sequence (p. 32)
CodecCommandBuffer[0] = 0x00;
CodecCommandBuffer[1] = 0x99;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x47;
CodecCommandBuffer[1] = 0x80;
send_codec_ctrl(CodecCommandBuffer, 2);
regValue = read_codec_register(0x32);
CodecCommandBuffer[0] = 0x32;
CodecCommandBuffer[1] = regValue | 0x80;
send_codec_ctrl(CodecCommandBuffer, 2);
regValue = read_codec_register(0x32);
CodecCommandBuffer[0] = 0x32;
CodecCommandBuffer[1] = regValue & (~0x80);
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x00;
CodecCommandBuffer[1] = 0x00;
send_codec_ctrl(CodecCommandBuffer, 2);
//end of initialization sequence
CodecCommandBuffer[0] = CODEC_MAP_PWR_CTRL2;
CodecCommandBuffer[1] = 0xAF;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = CODEC_MAP_PLAYBACK_CTRL1;
CodecCommandBuffer[1] = 0x70;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = CODEC_MAP_MASTER_A_VOL;
CodecCommandBuffer[1] = 0xF1;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = CODEC_MAP_MASTER_B_VOL;
CodecCommandBuffer[1] = 0xF1;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = CODEC_MAP_CLK_CTRL;
CodecCommandBuffer[1] = 0x81; //auto detect clock
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = CODEC_MAP_IF_CTRL1;
CodecCommandBuffer[1] = 0x07;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x0A;
CodecCommandBuffer[1] = 0x00;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x27;
CodecCommandBuffer[1] = 0x00;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = 0x1A | CODEC_MAPBYTE_INC;
CodecCommandBuffer[1] = 0x0A;
CodecCommandBuffer[2] = 0x0A;
send_codec_ctrl(CodecCommandBuffer, 3);
CodecCommandBuffer[0] = 0x1F;
CodecCommandBuffer[1] = 0x0F;
send_codec_ctrl(CodecCommandBuffer, 2);
CodecCommandBuffer[0] = CODEC_MAP_PWR_CTRL1;
CodecCommandBuffer[1] = 0x9E;
send_codec_ctrl(CodecCommandBuffer, 2);
}
