Michael Chuah / Mbed 2 deprecated MCP3208_STM32

MCP3208 with SWSPI to support variable SPI bit lengths

Dependencies:   MCP3208_STM32_16bit_HAX mbed

Fork of MCP3208_LPC1114 by Michael Chuah

main.cpp@5:9568cfe486dd, 2016-12-02 (annotated)

Committer:
mcx
Date:
Fri Dec 02 16:41:16 2016 +0000
Revision:
5:9568cfe486dd
Parent:
4:1267e8fa59a3
Child:
7:983886b6ada9
Modified to update at 9600 baud every 0.1s

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mcx 0:6c41db68c857 1 #include "mbed.h"
mcx 0:6c41db68c857 2 #include "mcp3208.h"
mcx 0:6c41db68c857 3
mcx 5:9568cfe486dd 4 MCP3208 input1(PA_7, PA_6, PA_5, PA_4); //MCP3208(PinName mosi, PinName miso, PinName clk, PinName cs)
mcx 0:6c41db68c857 5 // MCP3208 input1(p5, p6, p7, p8);
mcx 0:6c41db68c857 6
mcx 5:9568cfe486dd 7 //Serial pc(dp16,dp15);
mcx 0:6c41db68c857 8 // Serial pc(p9,p10);
mcx 5:9568cfe486dd 9 Serial pc(USBTX, USBRX);
mcx 0:6c41db68c857 10
mcx 0:6c41db68c857 11 Ticker datalog;
mcx 4:1267e8fa59a3 12 Timer t;
mcx 0:6c41db68c857 13
mcx 0:6c41db68c857 14 char datastr0[5];
mcx 0:6c41db68c857 15 char datastr1[5];
mcx 0:6c41db68c857 16 char datastr2[5];
mcx 0:6c41db68c857 17 char datastr3[5];
mcx 0:6c41db68c857 18 char datastr4[5];
mcx 0:6c41db68c857 19 char datastr5[5];
mcx 0:6c41db68c857 20
mcx 4:1267e8fa59a3 21 char datastr6[5];
mcx 4:1267e8fa59a3 22
mcx 0:6c41db68c857 23 // Credit: Erik Olieman
mcx 1:cf620653d56f 24 // http://developer.mbed.org/questions/5149/Serial-port-on-LPC1114-is-slow/
mcx 0:6c41db68c857 25 void intToString(char *buffer, int value)
mcx 0:6c41db68c857 26 {
mcx 0:6c41db68c857 27 int temp;
mcx 0:6c41db68c857 28 temp = value / 1000;
mcx 0:6c41db68c857 29 buffer[0] = temp + '0';
mcx 0:6c41db68c857 30 value = value - temp * 1000;
mcx 0:6c41db68c857 31
mcx 0:6c41db68c857 32 temp = value / 100;
mcx 0:6c41db68c857 33 buffer[1] = temp + '0';
mcx 0:6c41db68c857 34 value = value - temp * 100;
mcx 0:6c41db68c857 35
mcx 0:6c41db68c857 36 temp = value / 10;
mcx 0:6c41db68c857 37 buffer[2] = temp + '0';
mcx 0:6c41db68c857 38 value = value - temp * 10;
mcx 0:6c41db68c857 39
mcx 0:6c41db68c857 40 temp = value / 1;
mcx 0:6c41db68c857 41 buffer[3] = temp + '0';
mcx 0:6c41db68c857 42 value = value - temp * 1;
mcx 0:6c41db68c857 43
mcx 0:6c41db68c857 44 buffer[4] = '\0';
mcx 0:6c41db68c857 45 }
mcx 0:6c41db68c857 46
mcx 0:6c41db68c857 47 bool tickerActivated = false;
mcx 0:6c41db68c857 48
mcx 0:6c41db68c857 49 void log_data()
mcx 0:6c41db68c857 50 {
mcx 0:6c41db68c857 51 tickerActivated = true;
mcx 0:6c41db68c857 52 }
mcx 0:6c41db68c857 53
mcx 0:6c41db68c857 54 int main()
mcx 0:6c41db68c857 55 {
mcx 4:1267e8fa59a3 56 int tt = 0;
mcx 4:1267e8fa59a3 57 t.start();
mcx 4:1267e8fa59a3 58
mcx 4:1267e8fa59a3 59 pc.baud(9600);
mcx 0:6c41db68c857 60 pc.printf("Working!!\n\r");
mcx 0:6c41db68c857 61
mcx 5:9568cfe486dd 62 datalog.attach_us(&log_data,100000); // 1000us = 1ms
mcx 0:6c41db68c857 63
mcx 1:cf620653d56f 64 while(1) {
mcx 1:cf620653d56f 65 intToString(datastr0,input1.binary(0));
mcx 1:cf620653d56f 66 intToString(datastr1,input1.binary(1));
mcx 1:cf620653d56f 67 intToString(datastr2,input1.binary(2));
mcx 1:cf620653d56f 68 intToString(datastr3,input1.binary(3));
mcx 1:cf620653d56f 69 intToString(datastr4,input1.binary(4));
mcx 1:cf620653d56f 70 intToString(datastr5,input1.binary(5));
mcx 0:6c41db68c857 71
mcx 4:1267e8fa59a3 72 // Timing methods to verify 1 ms loop time / 1 kHz update speed
mcx 4:1267e8fa59a3 73 // tt = t.read_ms();
mcx 4:1267e8fa59a3 74 tt++;
mcx 4:1267e8fa59a3 75 if(tt>=10000) {
mcx 4:1267e8fa59a3 76 tt = 0;
mcx 4:1267e8fa59a3 77 }
mcx 4:1267e8fa59a3 78 intToString(datastr6,tt);
mcx 4:1267e8fa59a3 79
mcx 0:6c41db68c857 80 if(tickerActivated == true) {
mcx 0:6c41db68c857 81 tickerActivated = false;
mcx 0:6c41db68c857 82 pc.printf("%s,%s,%s,%s,%s,%s\n\r",datastr0,datastr1,datastr2,datastr3,datastr4,datastr5);
mcx 0:6c41db68c857 83 }
mcx 4:1267e8fa59a3 84
mcx 0:6c41db68c857 85 }
mcx 0:6c41db68c857 86 }
mcx 0:6c41db68c857 87
mcx 0:6c41db68c857 88