Hardware Braille Simulator / Mbed 2 deprecated minimal_i2c_mother

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Dependencies:   mbed

Fork of minimal_i2c_mother by Nathan Hansen

master.cpp@1:92677fbab5f1, 2014-12-02 (annotated)

Committer:
rrbeauch
Date:
Tue Dec 02 17:41:35 2014 +0000
Revision:
1:92677fbab5f1
Parent:
0:d3bdf717512e
Child:
2:4709985cf716
design day update

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nghansen 0:d3bdf717512e 1 #include "mbed.h"
rrbeauch 1:92677fbab5f1 2 #define ROWSIZE (3)
rrbeauch 1:92677fbab5f1 3 #define SELECTSIZE (0x04)
nghansen 0:d3bdf717512e 4
rrbeauch 1:92677fbab5f1 5 //BusOut toCells(p5,p6,p7,p8,p9,p10,p11,p12);
rrbeauch 1:92677fbab5f1 6 //BusOut select(p13,p14,p15);
rrbeauch 1:92677fbab5f1 7
nghansen 0:d3bdf717512e 8 I2C Bus(p28, p27);
rrbeauch 1:92677fbab5f1 9 //I2CSlave Self(p9, p10);
rrbeauch 1:92677fbab5f1 10
rrbeauch 1:92677fbab5f1 11 int slaveAddressRow1;
rrbeauch 1:92677fbab5f1 12 int slaveAddressRow2;
nghansen 0:d3bdf717512e 13
nghansen 0:d3bdf717512e 14 Serial Usb(USBTX, USBRX);
rrbeauch 1:92677fbab5f1 15 char buffer[16] = {0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x00};
nghansen 0:d3bdf717512e 16 int ack;
nghansen 0:d3bdf717512e 17
rrbeauch 1:92677fbab5f1 18 char slaveBuffer[16];
nghansen 0:d3bdf717512e 19 DigitalOut sent(LED1);
nghansen 0:d3bdf717512e 20 DigitalOut received(LED2);
nghansen 0:d3bdf717512e 21
nghansen 0:d3bdf717512e 22 void resetBus()
nghansen 0:d3bdf717512e 23 {
nghansen 0:d3bdf717512e 24 Bus.stop();
nghansen 0:d3bdf717512e 25 Bus.start();
nghansen 0:d3bdf717512e 26 return;
nghansen 0:d3bdf717512e 27 }
nghansen 0:d3bdf717512e 28
nghansen 0:d3bdf717512e 29 int main()
nghansen 0:d3bdf717512e 30 {
rrbeauch 1:92677fbab5f1 31 slaveAddressRow1 = 0x02;
rrbeauch 1:92677fbab5f1 32 //slaveAddressRow2 = 0x04;
rrbeauch 1:92677fbab5f1 33 //Self.address(slaveAddressRow2);
nghansen 0:d3bdf717512e 34 resetBus();
nghansen 0:d3bdf717512e 35
nghansen 0:d3bdf717512e 36 while (1)
nghansen 0:d3bdf717512e 37 {
rrbeauch 1:92677fbab5f1 38 //for(int i = 0; i < sizeof buffer; buffer[i++]=0x00);
rrbeauch 1:92677fbab5f1 39 //Usb.scanf("%s", buffer);
rrbeauch 1:92677fbab5f1 40 //Usb.printf("%s \n\r", buffer);
rrbeauch 1:92677fbab5f1 41
rrbeauch 1:92677fbab5f1 42 wait(1);
rrbeauch 1:92677fbab5f1 43
rrbeauch 1:92677fbab5f1 44 int ack1 = Bus.write(slaveAddressRow1 & 0xFE, buffer, 16);
rrbeauch 1:92677fbab5f1 45 if(ack1 == 0)
rrbeauch 1:92677fbab5f1 46 Usb.printf("Row one sent\n\r");
rrbeauch 1:92677fbab5f1 47 else
rrbeauch 1:92677fbab5f1 48 Usb.printf("No Ack");
rrbeauch 1:92677fbab5f1 49 //ack2 = Bus.write(slaveAddressRow2 & 0xFE, buffer, 16);
rrbeauch 1:92677fbab5f1 50 //if(ack2 == 0)
rrbeauch 1:92677fbab5f1 51 // Usb.printf("Row two sent\n\r");
nghansen 0:d3bdf717512e 52
rrbeauch 1:92677fbab5f1 53 /*int i = Bus.receive();
rrbeauch 1:92677fbab5f1 54 switch (i)
rrbeauch 1:92677fbab5f1 55 {
rrbeauch 1:92677fbab5f1 56 case I2CSlave::ReadAddressed:
rrbeauch 1:92677fbab5f1 57 Bus.write(slaveBuffer, 16);
rrbeauch 1:92677fbab5f1 58 PC.printf("wrote: %s \n\r", buffer);
rrbeauch 1:92677fbab5f1 59 break;
rrbeauch 1:92677fbab5f1 60 case I2CSlave::WriteGeneral:
rrbeauch 1:92677fbab5f1 61 Bus.read(slaveBuffer, 16);
rrbeauch 1:92677fbab5f1 62 PC.printf("received broadcast: %s \n\r", buffer);
rrbeauch 1:92677fbab5f1 63 break;
rrbeauch 1:92677fbab5f1 64 case I2CSlave::WriteAddressed:
rrbeauch 1:92677fbab5f1 65 Bus.read(slaveBuffer, 16);
rrbeauch 1:92677fbab5f1 66 PC.printf("received message: %s \n\r", buffer);
rrbeauch 1:92677fbab5f1 67 break;
rrbeauch 1:92677fbab5f1 68 }
nghansen 0:d3bdf717512e 69
rrbeauch 1:92677fbab5f1 70 char cell = SELECTSIZE;
rrbeauch 1:92677fbab5f1 71 for(j = 0; j < ROWSIZE; j++)
rrbeauch 1:92677fbab5f1 72 {
rrbeauch 1:92677fbab5f1 73 toCells = buffer[j];
rrbeauch 1:92677fbab5f1 74 select = cell;
rrbeauch 1:92677fbab5f1 75 cell >>= 1;
rrbeauch 1:92677fbab5f1 76 wait(0.1);
rrbeauch 1:92677fbab5f1 77 select = 0x00;
rrbeauch 1:92677fbab5f1 78 }
rrbeauch 1:92677fbab5f1 79 */
nghansen 0:d3bdf717512e 80 }
nghansen 0:d3bdf717512e 81 }