Jared Baxter / Mbed 2 deprecated Impedance_Fast_Circuitry

Dependencies:   mbed-dsp mbed

Fork of DSP_200kHz by Mazzeo Research Group

main.cpp@52:5a40cc58c4c2, 2015-01-31 (annotated)

Committer:
timmey9
Date:
Sat Jan 31 20:56:04 2015 +0000
Revision:
52:5a40cc58c4c2
Parent:
51:43143a3fc2d7
Child:
53:83a90a47c1fd
Made minor cosmetic and comment changes.

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
timmey9 52:5a40cc58c4c2 4 #include "Sample/adc.h"
timmey9 52:5a40cc58c4c2 5 #include "Sample/pdb.h"
timmey9 52:5a40cc58c4c2 6 #include "Sample/quad.h"
timmey9 52:5a40cc58c4c2 7
timmey9 22:523e316cbe70 8 #include "AngleEncoder.h"
timmey9 22:523e316cbe70 9
timmey9 22:523e316cbe70 10 // for debug purposes
timmey9 18:b17ddeeb1c09 11 Serial pc(USBTX, USBRX);
timmey9 18:b17ddeeb1c09 12 DigitalOut led_red(LED_RED);
timmey9 18:b17ddeeb1c09 13 DigitalOut led_green(LED_GREEN);
timmey9 18:b17ddeeb1c09 14 DigitalOut led_blue(LED_BLUE);
timmey9 51:43143a3fc2d7 15 DigitalOut quadA(PTC17);
timmey9 51:43143a3fc2d7 16 DigitalOut quadB(PTC16);
timmey9 18:b17ddeeb1c09 17
timmey9 22:523e316cbe70 18 AngleEncoder angle_encoder(PTD2, PTD3, PTD1, PTD0, 8, 0, 1000000); // mosi, miso, sclk, cs, bit_width, mode, hz
timmey9 51:43143a3fc2d7 19
timmey9 52:5a40cc58c4c2 20 // defined in dma.cpp
timmey9 45:d591d138cdeb 21 extern int len;
timmey9 45:d591d138cdeb 22 extern uint16_t sample_array0[];
timmey9 45:d591d138cdeb 23 extern uint16_t sample_array1[];
timmey9 45:d591d138cdeb 24 extern uint16_t angle_array[];
timmey9 41:3e0623d81b9a 25
timmey9 22:523e316cbe70 26 using namespace std;
timmey9 17:2f978f823020 27
emilmont 7:65188f4a8c25 28 int main() {
timmey9 22:523e316cbe70 29 led_blue = 1;
timmey9 35:df40c4566826 30 led_green = 1;
timmey9 18:b17ddeeb1c09 31 led_red = 1;
timmey9 47:54fafe151669 32 quadA = 0;
timmey9 47:54fafe151669 33 quadB = 0;
timmey9 34:44cc9b76a507 34
timmey9 18:b17ddeeb1c09 35 pc.baud(230400);
timmey9 34:44cc9b76a507 36 pc.printf("Starting\r\n");
timmey9 27:8c2b30c855d1 37
timmey9 51:43143a3fc2d7 38 quad_init(); // initialize FTM2 to quadrature decoder
timmey9 45:d591d138cdeb 39 adc_init(); // always initialize adc before dma
timmey9 51:43143a3fc2d7 40 dma_init(); // initializes DMAs
timmey9 51:43143a3fc2d7 41 pdb_init(); // initialize PDB0 as the timer for ADCs and DMA2
timmey9 45:d591d138cdeb 42
timmey9 46:a015ebf4663b 43 led_green = 1;
timmey9 38:ec3b16c130d7 44
timmey9 40:bd6d8c35e822 45 pc.printf("\r\n\r\n\r\n");
timmey9 37:8bdc71f3e874 46
timmey9 34:44cc9b76a507 47 while(1) {
timmey9 47:54fafe151669 48 // creates signals for the quad decoder to read for testing
timmey9 47:54fafe151669 49 quadA = !quadA;
timmey9 47:54fafe151669 50 for(int i = 0; i < 65535; i++) asm("nop");
timmey9 47:54fafe151669 51 quadB = !quadB;
timmey9 47:54fafe151669 52
timmey9 34:44cc9b76a507 53 if(pc.readable() > 0) {
timmey9 34:44cc9b76a507 54 char temp = pc.getc();
timmey9 34:44cc9b76a507 55
timmey9 34:44cc9b76a507 56 switch(temp) {
timmey9 45:d591d138cdeb 57 case 'G':
timmey9 45:d591d138cdeb 58 case 'g':
timmey9 45:d591d138cdeb 59 pc.printf("Quad Cnt: %i\r\n", quad_read());
timmey9 45:d591d138cdeb 60 break;
timmey9 50:33524a27e08c 61 case 'F': // clear the samples
timmey9 50:33524a27e08c 62 case 'f':
timmey9 50:33524a27e08c 63 for(int i = 0; i < len; i++) {sample_array0[i] = 0; sample_array1[i] = 0; angle_array[i] = 0;}
timmey9 50:33524a27e08c 64 pc.printf("Arrays cleared\r\n");
timmey9 50:33524a27e08c 65 // then display the samples
timmey9 50:33524a27e08c 66 case 'S': // display what's been sampled
timmey9 42:52a92a8d2cc7 67 case 's':
timmey9 46:a015ebf4663b 68 for(int i = 0; i < len; i++) pc.printf("%i: %f\t %f\t %i\r\n",i,sample_array0[i]*3.3/65535,sample_array1[i]*3.3/65535, angle_array[i]);
timmey9 42:52a92a8d2cc7 69 pc.printf("\r\n");
timmey9 42:52a92a8d2cc7 70 break;
timmey9 50:33524a27e08c 71
timmey9 50:33524a27e08c 72
timmey9 47:54fafe151669 73 // Programmable Delay Block debug
timmey9 45:d591d138cdeb 74 case 'B':
timmey9 45:d591d138cdeb 75 case 'b':
timmey9 50:33524a27e08c 76 pc.printf("Started PCB...samples being taken\r\n");
timmey9 45:d591d138cdeb 77 pdb_start();
timmey9 45:d591d138cdeb 78 break;
timmey9 45:d591d138cdeb 79 case 'K':
timmey9 45:d591d138cdeb 80 case 'k':
timmey9 50:33524a27e08c 81 pc.printf("Stopped PCB\r\n");
timmey9 45:d591d138cdeb 82 pdb_stop();
timmey9 45:d591d138cdeb 83 break;
timmey9 47:54fafe151669 84 case 'V':
timmey9 47:54fafe151669 85 case 'v':
timmey9 47:54fafe151669 86 pc.printf("PDB: %i\r\n",PDB0_CNT);
timmey9 47:54fafe151669 87 break;
timmey9 34:44cc9b76a507 88 }
timmey9 34:44cc9b76a507 89 }
timmey9 17:2f978f823020 90 }
timmey9 42:52a92a8d2cc7 91 }