Jared Baxter / Mbed 2 deprecated Impedance_Fast_Circuitry

Impedance Fast Circuitry Software

Dependencies:   mbed-dsp mbed

Fork of DSP_200kHz by Mazzeo Research Group

main.cpp@66:72c5c24e532c, 2016-02-26 (annotated)

Committer:
bmazzeo
Date:
Fri Feb 26 20:02:36 2016 +0000
Revision:
66:72c5c24e532c
Parent:
64:bb4a4bd57681
Child:
67:ec0c58490ce6
DSP passthrough and switching to allow alternate DSP processes and dialog

Who changed what in which revision?

UserRevisionLine numberNew 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"
bmazzeo 55:2526b3317bc8 6 #include "DMA_sampling/pdb.h"
timmey9 22:523e316cbe70 7
timmey9 22:523e316cbe70 8 // for debug purposes
timmey9 18:b17ddeeb1c09 9 Serial pc(USBTX, USBRX);
timmey9 18:b17ddeeb1c09 10 DigitalOut led_red(LED_RED);
timmey9 18:b17ddeeb1c09 11 DigitalOut led_green(LED_GREEN);
timmey9 18:b17ddeeb1c09 12 DigitalOut led_blue(LED_BLUE);
bmazzeo 58:4bee89daccff 13 DigitalOut status_0(D0);
bmazzeo 58:4bee89daccff 14 DigitalOut status_1(D1);
bmazzeo 66:72c5c24e532c 15 DigitalIn sw2(SW2);
bmazzeo 66:72c5c24e532c 16 DigitalIn sw3(SW3);
timmey9 51:43143a3fc2d7 17
timmey9 52:5a40cc58c4c2 18 // defined in dma.cpp
timmey9 45:d591d138cdeb 19 extern int len;
timmey9 45:d591d138cdeb 20 extern uint16_t sample_array0[];
timmey9 45:d591d138cdeb 21 extern uint16_t sample_array1[];
timmey9 41:3e0623d81b9a 22
bmazzeo 54:1697dc574b96 23 extern uint16_t static_input_array0[];
bmazzeo 54:1697dc574b96 24 extern uint16_t static_input_array1[];
bmazzeo 54:1697dc574b96 25
bmazzeo 55:2526b3317bc8 26 extern uint16_t static_output_array0[];
bmazzeo 56:7e08cbc3a4f1 27 extern uint16_t output_array0[];
bmazzeo 55:2526b3317bc8 28
bmazzeo 57:7b8c49e1c1f6 29 extern uint16_t sampling_status;
bmazzeo 57:7b8c49e1c1f6 30
timmey9 22:523e316cbe70 31 using namespace std;
timmey9 17:2f978f823020 32
emilmont 7:65188f4a8c25 33 int main() {
timmey9 22:523e316cbe70 34 led_blue = 1;
timmey9 35:df40c4566826 35 led_green = 1;
timmey9 18:b17ddeeb1c09 36 led_red = 1;
timmey9 34:44cc9b76a507 37
timmey9 18:b17ddeeb1c09 38 pc.baud(230400);
timmey9 34:44cc9b76a507 39 pc.printf("Starting\r\n");
timmey9 27:8c2b30c855d1 40
bmazzeo 66:72c5c24e532c 41 pdb_init(); // Initalize PDB
bmazzeo 66:72c5c24e532c 42 dac_init(); // initializes DAC
timmey9 45:d591d138cdeb 43 adc_init(); // always initialize adc before dma
bmazzeo 53:83a90a47c1fd 44 pc.printf("ADC Initialized\r\n");
timmey9 51:43143a3fc2d7 45 dma_init(); // initializes DMAs
bmazzeo 55:2526b3317bc8 46 dma_reset(); // This clears any DMA triggers that may have gotten things into a different state
timmey9 45:d591d138cdeb 47
bmazzeo 54:1697dc574b96 48
timmey9 46:a015ebf4663b 49 led_green = 1;
timmey9 38:ec3b16c130d7 50
timmey9 40:bd6d8c35e822 51 pc.printf("\r\n\r\n\r\n");
timmey9 37:8bdc71f3e874 52
bmazzeo 64:bb4a4bd57681 53 pdb_start();
bmazzeo 64:bb4a4bd57681 54 while(1)
bmazzeo 61:a56cca07d4a6 55 {
bmazzeo 61:a56cca07d4a6 56 while(sampling_status == 0)
bmazzeo 61:a56cca07d4a6 57 {
bmazzeo 61:a56cca07d4a6 58 status_0 = 1;
bmazzeo 61:a56cca07d4a6 59 }
bmazzeo 66:72c5c24e532c 60
bmazzeo 61:a56cca07d4a6 61 sampling_status = 0;
bmazzeo 61:a56cca07d4a6 62 status_0 = 0;
bmazzeo 66:72c5c24e532c 63
bmazzeo 66:72c5c24e532c 64 if(sw2)
bmazzeo 61:a56cca07d4a6 65 {
bmazzeo 66:72c5c24e532c 66 if(sw3)
bmazzeo 66:72c5c24e532c 67 {
bmazzeo 66:72c5c24e532c 68 //Default PASSTHROUGH Condition
bmazzeo 66:72c5c24e532c 69 status_1 = 1;
bmazzeo 66:72c5c24e532c 70 for(int i = 0; i < len; i++)
bmazzeo 66:72c5c24e532c 71 {
bmazzeo 66:72c5c24e532c 72 static_output_array0[i] = static_input_array0[i] >> 4;
bmazzeo 66:72c5c24e532c 73 }
bmazzeo 66:72c5c24e532c 74 status_1 = 0;
bmazzeo 66:72c5c24e532c 75 }
bmazzeo 66:72c5c24e532c 76 else
bmazzeo 66:72c5c24e532c 77 {
bmazzeo 66:72c5c24e532c 78 // Can show that buttons are active - Serial link working
bmazzeo 66:72c5c24e532c 79 status_1 = 1;
bmazzeo 66:72c5c24e532c 80 pc.printf("DSP\r\n");
bmazzeo 66:72c5c24e532c 81 for(int i = 0; i < len; i++)
bmazzeo 66:72c5c24e532c 82 {
bmazzeo 66:72c5c24e532c 83 static_output_array0[i] = static_input_array0[i] >> 4;
bmazzeo 66:72c5c24e532c 84 }
bmazzeo 66:72c5c24e532c 85 status_1 = 0;
bmazzeo 66:72c5c24e532c 86 }
bmazzeo 66:72c5c24e532c 87 }
bmazzeo 66:72c5c24e532c 88 else
bmazzeo 66:72c5c24e532c 89 {
bmazzeo 66:72c5c24e532c 90 // Here we can really put our DSP blocks
bmazzeo 66:72c5c24e532c 91 status_1 = 1;
bmazzeo 66:72c5c24e532c 92 for(int i = 0; i < len; i++)
bmazzeo 66:72c5c24e532c 93 {
bmazzeo 66:72c5c24e532c 94 static_output_array0[i] = static_input_array0[i] >> 4;
bmazzeo 66:72c5c24e532c 95 }
bmazzeo 66:72c5c24e532c 96 status_1 = 0;
bmazzeo 61:a56cca07d4a6 97 }
bmazzeo 61:a56cca07d4a6 98 }
bmazzeo 61:a56cca07d4a6 99 }
bmazzeo 63:7903a33e2fd4 100