frederic blanc / Mbed 2 deprecated HMA_HelloWord

test

Dependencies:   USBDevice mbed

main.cpp@7:de5b1bc07eb5, 2014-06-23 (annotated)

Committer:
fblanc
Date:
Mon Jun 23 14:34:21 2014 +0000
Revision:
7:de5b1bc07eb5
Parent:
6:fa9df9f03bfa
Child:
8:213824bed8d5
16 samples 2 channel time ok

Who changed what in which revision?

UserRevisionLine numberNew contents of line
fblanc 0:92dd9611bf80 1 #include "mbed.h"
fblanc 4:75077e05de3e 2 #include "USBSerial.h"
fblanc 7:de5b1bc07eb5 3 #define VERSION "23_06_2014"
fblanc 7:de5b1bc07eb5 4 #define SPEED 5000//1000 //µs
fblanc 6:fa9df9f03bfa 5 #define BLOCUSB 64 //64
fblanc 6:fa9df9f03bfa 6 #define NBCHAN 2
fblanc 6:fa9df9f03bfa 7 #define NBSAMPLE BLOCUSB/NBCHAN // 2 samples 16bit
fblanc 6:fa9df9f03bfa 8 #define __KL25
fblanc 4:75077e05de3e 9 #if defined( __LPC1768)
fblanc 5:832b59a73dec 10 Serial debug(USBTX, USBRX);
fblanc 4:75077e05de3e 11 USBSerial pc;
fblanc 0:92dd9611bf80 12 DigitalOut led2(LED2);
fblanc 0:92dd9611bf80 13 DigitalOut led3(LED3);
fblanc 0:92dd9611bf80 14 DigitalOut led4(LED4);
fblanc 3:7acf6d1a6b1e 15 AnalogIn adc_1(p16);
fblanc 3:7acf6d1a6b1e 16 AnalogIn adc_2(p17);
fblanc 4:75077e05de3e 17 #endif
fblanc 4:75077e05de3e 18 #if defined( __KL25)
fblanc 4:75077e05de3e 19 USBSerial pc;
fblanc 7:de5b1bc07eb5 20 PwmOut led2(LED_GREEN);
fblanc 7:de5b1bc07eb5 21 PwmOut led3(LED_RED);
fblanc 7:de5b1bc07eb5 22 PwmOut led4(LED_BLUE);
fblanc 6:fa9df9f03bfa 23 AnalogIn adc_1(PTB0);
fblanc 6:fa9df9f03bfa 24 AnalogIn adc_2(PTB1);
fblanc 4:75077e05de3e 25 #endif
fblanc 4:75077e05de3e 26
fblanc 6:fa9df9f03bfa 27 uint16_t T_hma_u16[2][BLOCUSB];
fblanc 0:92dd9611bf80 28 uint16_t index_hma_write=0;
fblanc 0:92dd9611bf80 29
fblanc 0:92dd9611bf80 30 uint16_t index_hma_read=0;
fblanc 0:92dd9611bf80 31 bool t_write=0;
fblanc 7:de5b1bc07eb5 32 uint16_t speed;
fblanc 7:de5b1bc07eb5 33 bool start_mesure;
fblanc 0:92dd9611bf80 34 bool flag_write_USB=0;
fblanc 0:92dd9611bf80 35 Ticker flipperADC;
fblanc 0:92dd9611bf80 36
fblanc 0:92dd9611bf80 37 void flipADC()
fblanc 0:92dd9611bf80 38 {
fblanc 4:75077e05de3e 39
fblanc 3:7acf6d1a6b1e 40 T_hma_u16[t_write][index_hma_write++]=adc_1.read_u16(); //read ADC
fblanc 3:7acf6d1a6b1e 41 T_hma_u16[t_write][index_hma_write++]=adc_2.read_u16(); //read ADC
fblanc 5:832b59a73dec 42
fblanc 5:832b59a73dec 43
fblanc 7:de5b1bc07eb5 44 if(index_hma_write>=NBSAMPLE) {
fblanc 0:92dd9611bf80 45 flag_write_USB=1;
fblanc 0:92dd9611bf80 46 t_write=!t_write; //toggel buffer
fblanc 7:de5b1bc07eb5 47 index_hma_read=index_hma_write;
fblanc 0:92dd9611bf80 48 index_hma_write=0;
fblanc 0:92dd9611bf80 49 }
fblanc 4:75077e05de3e 50
fblanc 0:92dd9611bf80 51 }
fblanc 0:92dd9611bf80 52
fblanc 0:92dd9611bf80 53 Ticker flipperUSB;
fblanc 0:92dd9611bf80 54 void flipUSB()
fblanc 0:92dd9611bf80 55 {
fblanc 0:92dd9611bf80 56
fblanc 0:92dd9611bf80 57 flag_write_USB=1;
fblanc 0:92dd9611bf80 58
fblanc 0:92dd9611bf80 59 }
fblanc 0:92dd9611bf80 60
fblanc 0:92dd9611bf80 61 void pc_rx(void)
fblanc 0:92dd9611bf80 62 {
fblanc 5:832b59a73dec 63 char str[32];
fblanc 0:92dd9611bf80 64
fblanc 5:832b59a73dec 65
fblanc 5:832b59a73dec 66 for(int start_str=0; pc.readable()!=0; ++start_str) {
fblanc 0:92dd9611bf80 67 str[start_str]=pc.getc();
fblanc 0:92dd9611bf80 68 }
fblanc 5:832b59a73dec 69 if( strncmp(str,"ABORt",strlen("ABORt"))==0 ) {
fblanc 7:de5b1bc07eb5 70 start_mesure=0;
fblanc 0:92dd9611bf80 71 flipperADC.detach();
fblanc 0:92dd9611bf80 72 t_write=0;
fblanc 0:92dd9611bf80 73 index_hma_read=0;
fblanc 0:92dd9611bf80 74 index_hma_write=0;
fblanc 4:75077e05de3e 75
fblanc 7:de5b1bc07eb5 76 }
fblanc 7:de5b1bc07eb5 77 if(start_mesure==0) {
fblanc 7:de5b1bc07eb5 78 if( strncmp(str,"*IDN?",strlen("*IDN?"))==0 ) {
fblanc 7:de5b1bc07eb5 79 pc.printf("LAAS-CNRS ,HMA serial, %s\r",VERSION);
fblanc 7:de5b1bc07eb5 80 } else if( strncmp(str,"MEASure",strlen("MEASure"))==0 ) {
fblanc 7:de5b1bc07eb5 81 start_mesure=1;
fblanc 7:de5b1bc07eb5 82 flipperADC.attach_us(&flipADC, speed);
fblanc 7:de5b1bc07eb5 83 } else if( strncmp(str,"TIME",strlen("TIME"))==0 ) {
fblanc 7:de5b1bc07eb5 84 sscanf(&str[strlen("TIME")],"%d",&speed);
fblanc 0:92dd9611bf80 85
fblanc 7:de5b1bc07eb5 86 }
fblanc 0:92dd9611bf80 87 }
fblanc 0:92dd9611bf80 88 }
fblanc 0:92dd9611bf80 89
fblanc 0:92dd9611bf80 90 int main()
fblanc 0:92dd9611bf80 91 {
fblanc 7:de5b1bc07eb5 92 #if defined( __LPC1768)
fblanc 5:832b59a73dec 93 led2=0;
fblanc 5:832b59a73dec 94 led3=0;
fblanc 5:832b59a73dec 95 led4=0;
fblanc 7:de5b1bc07eb5 96 #endif
fblanc 7:de5b1bc07eb5 97 #if defined( __KL25)
fblanc 7:de5b1bc07eb5 98 led2=1.0;
fblanc 7:de5b1bc07eb5 99 led3=0.0;
fblanc 7:de5b1bc07eb5 100 led4=0.0;
fblanc 7:de5b1bc07eb5 101 #endif
fblanc 7:de5b1bc07eb5 102 speed=SPEED;
fblanc 7:de5b1bc07eb5 103 start_mesure=0;
fblanc 5:832b59a73dec 104 while(1) {
fblanc 0:92dd9611bf80 105
fblanc 0:92dd9611bf80 106 if (pc.readable()) {
fblanc 0:92dd9611bf80 107 pc_rx();
fblanc 0:92dd9611bf80 108 }
fblanc 5:832b59a73dec 109
fblanc 0:92dd9611bf80 110 if(flag_write_USB==1) {
fblanc 0:92dd9611bf80 111 flag_write_USB=0;
fblanc 2:88f866289381 112 pc.printf("%04d%c\r",index_hma_read,'\0'); //'\0'fin de chaine ASCII '\r' fin de transmission
fblanc 6:fa9df9f03bfa 113 for(unsigned int i=0; i<index_hma_read*NBCHAN; i+=BLOCUSB ) { // 2 cannaux de 16bits
fblanc 6:fa9df9f03bfa 114 pc.writeBlock((uint8_t*)&T_hma_u16[!t_write][i/NBCHAN],BLOCUSB );//For more efficiency, a block of size 64 (maximum size of a bulk endpoint) has to be written.
fblanc 0:92dd9611bf80 115 }
fblanc 0:92dd9611bf80 116
fblanc 0:92dd9611bf80 117 }
fblanc 0:92dd9611bf80 118 }
fblanc 0:92dd9611bf80 119 }