ReSpeaker DSP V02
Dependencies: mbed MbedJSONValue
Diff: main.cpp
- Revision:
- 8:8a3e6241c104
- Parent:
- 7:25c81cb23e42
- Child:
- 9:7e20c1e5a354
--- a/main.cpp Mon Aug 06 12:30:23 2018 +0000 +++ b/main.cpp Wed Aug 22 12:57:13 2018 +0000 @@ -82,9 +82,9 @@ // digital DigitalIn user_button(PC_13); -DigitalIn sw_trigger(PA_10); -DigitalOut led(PA_5); -DigitalOut mytoggle(PA_6); +DigitalIn sw_trigger(PA_10);// D2 +DigitalOut led(PA_5); // D13 +DigitalOut mytoggle(PA_6); // D12 // analog / define to init at mbed initialization. work directly with registers AnalogOut dsp_output(PA_4); @@ -120,7 +120,7 @@ __IO uint32_t Dac_Reg = 0; // analog input -uint16_t adc_in=0; +//uint16_t adc_in=0; // toogle pin state bool toggelState=0; @@ -139,11 +139,18 @@ // Trigger mode variables -float trigTresh = 0.75; // threshold for trigger mode -uint32_t trigDelaySet = 3000; // counter for pulse pass +float signalGain = 1.0; // Signal Gain +float trigTresh = 0.5; // threshold for trigger mode +uint32_t trigDelaySet = 5000; // counter for pulse pass uint32_t trigDelay = trigDelaySet; // counter for pulse pass -uint32_t trigPause = 5000; // pause after trigger in microseconds +uint32_t trigPause = 10; // pause after trigger in microseconds +// Buffer mode variables +uint32_t bufferSizeSet = 5000; +uint32_t bufferSize = bufferSizeSet; +uint32_t preBufferSizeSet = 1000; +uint32_t bufferCountDown = bufferSizeSet - preBufferSizeSet; +float bufferADC[5000] = {0}; /////////////// // Functions // /////////////// @@ -170,6 +177,9 @@ // DSP Packet Handler void dspPacket(void); +// DSP Param Packet Handler +void dspParamPacket(void); + // initialize DSP void initDSP(void); @@ -387,6 +397,8 @@ // select handler based on target mcu if (targetName == "dsp") { dspPacket(); + } else if (targetName == "dspParam") { + dspParamPacket(); } else { #ifdef DEBUG_MOD2 // unrecognised target @@ -407,7 +419,7 @@ #ifdef DEBUG_MOD10 // send parsed values pc.printf("mode: %s\r\n", modeType.c_str()); - switch_dsp.printf("mode: %s\r\n", modeType.c_str()); + //switch_dsp.printf("mode: %s\r\n", modeType.c_str()); #endif // selected operation mode if ( modeType == "off" ) { @@ -416,13 +428,13 @@ } else if( modeType == "passthrough" ) { FilterFunction = passthrough; operationMode = 1 ; - }else if( modeType == "highpass" ) { + } else if( modeType == "highpass" ) { FilterFunction = highpass; operationMode = 2 ; - }else if( modeType == "hpf_trig" ) { + } else if( modeType == "hpf_trig" ) { FilterFunction = highpassTrig; operationMode = 3 ; - }else if( modeType == "gain_trig" ) { + } else if( modeType == "gain_trig" ) { FilterFunction = GainsTrig; operationMode = 4 ; } else { @@ -431,4 +443,20 @@ operationMode = 0 ; } -}// end dspPacket \ No newline at end of file +}// end dspPacket +// DSP Param Packet Handler +void dspParamPacket(void) +{ + // get values. + signalGain = ((float)guiCmd["gain"].get<int>())/1000; // issue in parsing doubles when the number is round + trigTresh = ((float)guiCmd["trigTresh"].get<int>()) / 100.0f; + trigDelaySet = (uint32_t)guiCmd["trigPass"].get<int>(); + trigPause = (uint32_t)guiCmd["trigPause"].get<int>(); + + trigDelay = trigDelaySet; +#ifdef DEBUG_MOD10 + // send parsed values + pc.printf("SignalGain: %f , trigTresh: %f , trigDelaySet %d , trigPause: %d\r\n", signalGain , trigTresh , trigDelaySet , trigPause); +#endif + +} // end dspParamPacket \ No newline at end of file