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Add "Hear Mic" feature to the Mic App (#1518)

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* Add "Hear Mic" feature to the Mic App

* Following consensus change about ternary operators
This commit is contained in:
Brumi-2021 2023-10-21 01:43:22 +02:00 • committed by GitHub
parent 86d4b17257
commit efcedd9005
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7 changed files with 108 additions and 7 deletions
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35
firmware/common/ak4951.cpp
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@ -279,7 +279,7 @@ void AK4951::microphone_enable(int8_t alc_mode) {
update(Register::DigitalFilterMode); // Writing the Audio Path : NO DIGITAL BLOCK or DIG BLOCK FOR MIC , Audio mode path : Playback mode /-Recording mode.
map.r.power_management_1.PMADL = 1; // ADC Lch = Lch input signal. Mic Amp Lch and ADC Lch Power Management
map.r.power_management_1.PMADR = 1; // ADC Rch = Rch input signal. Mic Amp Rch and ADC Rch Power Management
map.r.power_management_1.PMADR = 0; // ADC Rch = Rch input signal. Mic Amp Rch and ADC Rch Power Management. (PMADL=1, PMADR=0) means MONO MIC input connected to Left pin.
map.r.power_management_1.PMPFIL = 0; // Pre-loading , Programmable Dig. filter OFF ,filter unused, routed around.(original value = 0 )
update(Register::PowerManagement1); // Activating the Power management of the used blocks . (Mic ADC always + Dig Block filter , when used )
@ -461,7 +461,7 @@ void AK4951::microphone_enable(int8_t alc_mode) {
// When changing those modes, PMPFIL bit must be “0”, it is OK (*1)
map.r.digital_filter_mode.ADCPF = 1; // ADCPF bit swith ("0" Mic after ADC Output connected (recording mode) to the DIGITAL FILTER BLOCK. ("1" Playback mode)
map.r.digital_filter_mode.PFSDO = 1; // ADC (+ 1st order HPF) Output
map.r.digital_filter_mode.PFDAC = 0b00; // (Input selector for DAC (not used in MIC), SDTI= Audio Serial Data Input Pin)
map.r.digital_filter_mode.PFDAC = 0b00; // (Input selector for DAC (initially not used in MIC), SDTI= Audio Serial Data Input Pin)
update(Register::DigitalFilterMode); // Writing the Audio Path : NO DIGITAL BLOCK or DIG BLOCK FOR MIC , Audio mode path : Playback mode /-Recording mode.
// The EQn (n=1, 2, 3, 4 or 5) coefficient must be set when EQn bit = “0” or PMPFIL bit = “0”., but we are already (*1)
@ -501,7 +501,7 @@ void AK4951::microphone_enable(int8_t alc_mode) {
// Acitivating digital block , power supply
map.r.power_management_1.PMADL = 1; // ADC Lch = Lch input signal. Mic Amp Lch and ADC Lch Power Management
map.r.power_management_1.PMADR = 1; // ADC Rch = Rch input signal. Mic Amp Rch and ADC Rch Power Management
map.r.power_management_1.PMADR = 0; // ADC Rch = Rch input signal. Mic Amp Rch and ADC Rch Power Management. (PMADL=1, PMADR=0) means MONO MIC input connected to Left pin.
map.r.power_management_1.PMPFIL = 1; // Pre-loaded in top part. Orig value=0, Programmable Digital filter unused (not power up), routed around.
update(Register::PowerManagement1); // Activating the Power management of the used blocks . (Mic ADC always + Dig Block filter , when used )
@ -522,8 +522,13 @@ void AK4951::microphone_disable() {
map.r.power_management_1.PMADL = 0; // original code , disable Power managem.Mic ADC L
map.r.power_management_1.PMADR = 0; // original code , disable Power managem.Mic ADC R
map.r.power_management_1.PMPFIL = 0; // original code , disable Power managem. all Programmable Dig. block
map.r.power_management_1.PMDAC = 0; // Pre-loaded power management DAC block OFF
update(Register::PowerManagement1);
map.r.power_management_2.PMHPL = 0; // Pre-loaded power management HP LEFT block OFF
map.r.power_management_2.PMHPR = 0; // Pre-loaded power management HP RIGHT block OFF
update(Register::PowerManagement2); // Deactivating the Power management of the HP L&R blocks.
map.r.alc_mode_control_1.ALC = 0; // original code , Restore , disable ALC block.
update(Register::ALCModeControl1);
@ -560,6 +565,30 @@ void AK4951::microphone_disable() {
update(Register::DigitalFilterSelect3);
}
void AK4951::microphone_to_HP_enable() {
map.r.digital_filter_mode.PFDAC = 0b01; // (Input selector for DAC, audio Loopback Mode .
update(Register::DigitalFilterMode); // Writing the Audio Path , Audio mode path : Loopback Mode .
map.r.power_management_1.PMDAC = 1; // Pre-loaded power management DAC block ON
update(Register::PowerManagement1); // Activating the Power management of the DAC block for the loopback mode
map.r.power_management_2.PMHPL = 1; // Pre-loaded power management HP LEFT block ON
map.r.power_management_2.PMHPR = 1; // Pre-loaded power management HP RIGHT block ON
update(Register::PowerManagement2); // Activating the Power management of the HP L&R blocks.
}
void AK4951::microphone_to_HP_disable() {
map.r.digital_filter_mode.PFDAC = 0b00; // (Input selector for DAC (not used in MIC), SDTI= Audio Serial Data Input Pin)
update(Register::DigitalFilterMode); // Writing the Audio Path , Audio mode path : Loopback Mode .
map.r.power_management_1.PMDAC = 0; // Pre-loaded power management DAC block OFF
update(Register::PowerManagement1); // Deactivating the Power management of the DAC block for the loopback mode
map.r.power_management_2.PMHPL = 0; // Pre-loaded power management HP LEFT block OFF
map.r.power_management_2.PMHPR = 0; // Pre-loaded power management HP RIGHT block OFF
update(Register::PowerManagement2); // Deactivating the Power management of the HP L&R blocks.
}
reg_t AK4951::read(const address_t reg_address) {
const std::array<uint8_t, 1> tx{reg_address};
std::array<uint8_t, 1> rx{0x00};