106 lines
1.6 KiB
C
106 lines
1.6 KiB
C
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#include <stdint.h>
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#include <stdio.h>
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#include <systems.h>
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#include <math.h>
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#include "mp45dt02.h"
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#include <DFT32.h>
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#include <embeddednf.h>
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#include <embeddedout.h>
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RCC_ClocksTypeDef RCC_Clocks;
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#define CIRCBUFSIZE 256
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volatile int last_samp_pos;
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int16_t sampbuff[CIRCBUFSIZE];
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volatile int samples;
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void GotSample( int samp )
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{
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// lastsamp = samp;
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sampbuff[last_samp_pos] = samp;
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last_samp_pos = ((last_samp_pos+1)%CIRCBUFSIZE);
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samples++;
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}
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void NewFrame()
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{
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uint8_t led_outs[NUM_LIN_LEDS*3];
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int i;
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HandleFrameInfo();
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UpdateLinearLEDs();
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SendSPI2812( ledOut, NUM_LIN_LEDS );
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}
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int main(void)
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{
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uint32_t i = 0;
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RCC_GetClocksFreq( &RCC_Clocks );
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ConfigureLED();
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LED_OFF;
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/* SysTick end of count event each 10ms */
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SysTick_Config( RCC_Clocks.HCLK_Frequency / 100);
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float fv = RCC_Clocks.HCLK_Frequency / 1000000.0f;
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// printf( "Operating at %.3fMHz\n", fv );
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Init();
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InitMP45DT02();
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InitSPI2812();
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int this_samp = 0;
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int wf = 0;
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while(1)
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{
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if( this_samp != last_samp_pos )
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{
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LED_OFF;
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PushSample32( sampbuff[this_samp]/2 ); //Can't put in full volume.
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this_samp = (this_samp+1)%CIRCBUFSIZE;
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wf++;
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if( wf == 128 )
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{
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NewFrame();
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wf = 0;
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}
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LED_ON;
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}
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LED_ON; //Take up a little more time to make sure we don't miss this.
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}
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}
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void TimingDelay_Decrement()
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{
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static int i;
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static int k;
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int j;
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/* uint8_t obuf[16*3];
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for( j = 0; j < 16; j++ )
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{
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obuf[j*3+0] = (sampbuff[j]>0)?sampbuff[j]/256:0 ;//(sampbuff[0]&(1<<j))?0xf:0x00;//lastsamppos+10;
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obuf[j*3+1] = (sampbuff[j]<0)?sampbuff[j]/-256:0;
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obuf[j*3+2] = 0;
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}
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k++;
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SendSPI2812( obuf, 16 );*/
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}
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