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Fork of DSP_200kHz by
main.cpp@54:1697dc574b96, 2016-02-16 (annotated)
- Committer:
- bmazzeo
- Date:
- Tue Feb 16 18:33:44 2016 +0000
- Revision:
- 54:1697dc574b96
- Parent:
- 53:83a90a47c1fd
- Child:
- 55:2526b3317bc8
Using continuous conversion - before changing to clocked sampling
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
donatien | 0:bb128f0e952f | 1 | #include "mbed.h" |
timmey9 | 22:523e316cbe70 | 2 | |
timmey9 | 52:5a40cc58c4c2 | 3 | // Sampling |
bmazzeo | 53:83a90a47c1fd | 4 | #include "DMA_sampling/adc.h" |
bmazzeo | 54:1697dc574b96 | 5 | #include "DMA_sampling/dac.h" |
timmey9 | 22:523e316cbe70 | 6 | |
timmey9 | 22:523e316cbe70 | 7 | // for debug purposes |
timmey9 | 18:b17ddeeb1c09 | 8 | Serial pc(USBTX, USBRX); |
timmey9 | 18:b17ddeeb1c09 | 9 | DigitalOut led_red(LED_RED); |
timmey9 | 18:b17ddeeb1c09 | 10 | DigitalOut led_green(LED_GREEN); |
timmey9 | 18:b17ddeeb1c09 | 11 | DigitalOut led_blue(LED_BLUE); |
timmey9 | 51:43143a3fc2d7 | 12 | |
timmey9 | 52:5a40cc58c4c2 | 13 | // defined in dma.cpp |
timmey9 | 45:d591d138cdeb | 14 | extern int len; |
timmey9 | 45:d591d138cdeb | 15 | extern uint16_t sample_array0[]; |
timmey9 | 45:d591d138cdeb | 16 | extern uint16_t sample_array1[]; |
timmey9 | 41:3e0623d81b9a | 17 | |
bmazzeo | 54:1697dc574b96 | 18 | extern uint16_t static_input_array0[]; |
bmazzeo | 54:1697dc574b96 | 19 | extern uint16_t static_input_array1[]; |
bmazzeo | 54:1697dc574b96 | 20 | |
timmey9 | 22:523e316cbe70 | 21 | using namespace std; |
timmey9 | 17:2f978f823020 | 22 | |
emilmont | 7:65188f4a8c25 | 23 | int main() { |
timmey9 | 22:523e316cbe70 | 24 | led_blue = 1; |
timmey9 | 35:df40c4566826 | 25 | led_green = 1; |
timmey9 | 18:b17ddeeb1c09 | 26 | led_red = 1; |
timmey9 | 34:44cc9b76a507 | 27 | |
timmey9 | 18:b17ddeeb1c09 | 28 | pc.baud(230400); |
timmey9 | 34:44cc9b76a507 | 29 | pc.printf("Starting\r\n"); |
timmey9 | 27:8c2b30c855d1 | 30 | |
bmazzeo | 54:1697dc574b96 | 31 | dac_init(); // initializes DAC |
bmazzeo | 54:1697dc574b96 | 32 | |
timmey9 | 45:d591d138cdeb | 33 | adc_init(); // always initialize adc before dma |
bmazzeo | 53:83a90a47c1fd | 34 | |
bmazzeo | 53:83a90a47c1fd | 35 | pc.printf("ADC Initialized\r\n"); |
bmazzeo | 53:83a90a47c1fd | 36 | |
timmey9 | 51:43143a3fc2d7 | 37 | dma_init(); // initializes DMAs |
timmey9 | 45:d591d138cdeb | 38 | |
bmazzeo | 54:1697dc574b96 | 39 | |
timmey9 | 46:a015ebf4663b | 40 | led_green = 1; |
timmey9 | 38:ec3b16c130d7 | 41 | |
timmey9 | 40:bd6d8c35e822 | 42 | pc.printf("\r\n\r\n\r\n"); |
timmey9 | 37:8bdc71f3e874 | 43 | |
timmey9 | 34:44cc9b76a507 | 44 | while(1) { |
bmazzeo | 54:1697dc574b96 | 45 | //DMA_TCD2_CSR |
bmazzeo | 54:1697dc574b96 | 46 | //int counter = 0; |
bmazzeo | 54:1697dc574b96 | 47 | //pc.printf("Sample_array0[1]:%d\r\n",sample_array0[counter]); |
bmazzeo | 54:1697dc574b96 | 48 | //ADC0_SC1A = 0x0C; //AIEN = 0, DIFF = 0, Channel = AD12 (PTB2) |
bmazzeo | 54:1697dc574b96 | 49 | //ADC1_SC1A = 0x0E; //AIEN = 0, DIFF = 0, Channel = AD14 (PTB10) |
bmazzeo | 54:1697dc574b96 | 50 | //while( (ADC0_SC1A&ADC_SC1_COCO_MASK)) {} |
bmazzeo | 54:1697dc574b96 | 51 | //while( (ADC1_SC1A&ADC_SC1_COCO_MASK)) {} |
bmazzeo | 54:1697dc574b96 | 52 | //pc.printf("ADC0_RA:%d\r\n", ADC0_RA); |
bmazzeo | 54:1697dc574b96 | 53 | //pc.printf("ADC1_RA:%d\r\n", ADC1_RA); |
bmazzeo | 54:1697dc574b96 | 54 | |
bmazzeo | 54:1697dc574b96 | 55 | //for(int i = 0; i < len; i++) pc.printf("A%i: %d\t %d\r\n",i,sample_array0[i],sample_array1[i]); |
bmazzeo | 54:1697dc574b96 | 56 | //for(int i = 0; i < len; i++) pc.printf("B%i: %d\t %d\r\n",i,static_input_array0[i],static_input_array1[i]); |
bmazzeo | 54:1697dc574b96 | 57 | |
bmazzeo | 54:1697dc574b96 | 58 | //wait_ms(1000); |
bmazzeo | 54:1697dc574b96 | 59 | int store_var = DMA_TCD2_CSR; |
bmazzeo | 54:1697dc574b96 | 60 | if (store_var == 0x220) |
bmazzeo | 54:1697dc574b96 | 61 | { |
bmazzeo | 54:1697dc574b96 | 62 | DAC0_DAT0H = 0x0F; |
bmazzeo | 54:1697dc574b96 | 63 | wait_us(10); |
bmazzeo | 54:1697dc574b96 | 64 | //DMA_TCD0_CSR = 0x260; |
bmazzeo | 54:1697dc574b96 | 65 | } |
bmazzeo | 54:1697dc574b96 | 66 | if (store_var == 0x260) |
bmazzeo | 54:1697dc574b96 | 67 | { |
bmazzeo | 54:1697dc574b96 | 68 | DAC0_DAT0H = 0x00; |
bmazzeo | 54:1697dc574b96 | 69 | wait_us(10); |
bmazzeo | 54:1697dc574b96 | 70 | } |
bmazzeo | 54:1697dc574b96 | 71 | |
bmazzeo | 54:1697dc574b96 | 72 | //int store_var = DMA_TCD0_CSR; |
bmazzeo | 54:1697dc574b96 | 73 | pc.printf("DMA0: %x\r\n", DMA_TCD0_CSR); |
bmazzeo | 54:1697dc574b96 | 74 | pc.printf("DMA1: %x\r\n", DMA_TCD1_CSR); |
bmazzeo | 54:1697dc574b96 | 75 | pc.printf("DMA2: %x\r\n", DMA_TCD2_CSR); |
bmazzeo | 54:1697dc574b96 | 76 | pc.printf("DMA3: %x\r\n", DMA_TCD3_CSR); |
bmazzeo | 54:1697dc574b96 | 77 | |
bmazzeo | 54:1697dc574b96 | 78 | //wait_us(100); |
bmazzeo | 54:1697dc574b96 | 79 | |
timmey9 | 17:2f978f823020 | 80 | } |
timmey9 | 42:52a92a8d2cc7 | 81 | } |