Mehdi nemri / Mbed 2 deprecated DigitalIn_test

test aff8x8 avec 2*74HC595 (KRM2388AURPGB)

Dependencies:   mbed

Fork of DigitalIn_test by Junichi Katsu

main.cpp@1:5a049a86616a, 2015-03-09 (annotated)

Committer:
ER4
Date:
Mon Mar 09 11:00:56 2015 +0000
Revision:
1:5a049a86616a
Parent:
0:592717f4890b
Child:
2:a0e8e160bed1
d?filement d'un point lumineux rouge Ligne/colonne

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jksoft 0:592717f4890b 1 #include "mbed.h"
ER4 1:5a049a86616a 2
ER4 1:5a049a86616a 3 SPI spi(P0_9,P0_8,P0_7); // mosi, miso, sclk
ER4 1:5a049a86616a 4 DigitalOut cs(P0_6);
jksoft 0:592717f4890b 5
ER4 1:5a049a86616a 6 void ligne(char val){
ER4 1:5a049a86616a 7 cs = 0;
ER4 1:5a049a86616a 8 //spi.write(val);
ER4 1:5a049a86616a 9 spi.write(0xFF);
ER4 1:5a049a86616a 10 cs = 1;
ER4 1:5a049a86616a 11 }
ER4 1:5a049a86616a 12 //void colone(char val1){
ER4 1:5a049a86616a 13 // cs=0;
ER4 1:5a049a86616a 14 //spi.write(val1);
ER4 1:5a049a86616a 15 //cs=1;
ER4 1:5a049a86616a 16 //}
ER4 1:5a049a86616a 17
jksoft 0:592717f4890b 18
ER4 1:5a049a86616a 19 /*char Im [8][8] = { {0,0,0,1,1,0,0,0},
ER4 1:5a049a86616a 20 {0,0,0,1,1,0,0,0},
ER4 1:5a049a86616a 21 {0,0,0,1,1,0,0,0},
ER4 1:5a049a86616a 22 {1,1,1,1,1,1,1,1},
ER4 1:5a049a86616a 23 {1,1,1,1,1,1,1,1},
ER4 1:5a049a86616a 24 {0,0,0,1,1,0,0,0},
ER4 1:5a049a86616a 25 {0,0,0,1,1,0,0,0},
ER4 1:5a049a86616a 26 {0,0,0,1,1,0,0,0}};*/
ER4 1:5a049a86616a 27
ER4 1:5a049a86616a 28
ER4 1:5a049a86616a 29
ER4 1:5a049a86616a 30 int main() {
ER4 1:5a049a86616a 31 int i=0,j=0;
ER4 1:5a049a86616a 32 // Chip must be deselected
ER4 1:5a049a86616a 33 cs = 1;
ER4 1:5a049a86616a 34
ER4 1:5a049a86616a 35 // Setup the spi for 8 bit data, high steady state clock,
ER4 1:5a049a86616a 36 // second edge capture, with a 1MHz clock rate
ER4 1:5a049a86616a 37 spi.format(8,3);
ER4 1:5a049a86616a 38 spi.frequency(1000000);
ER4 1:5a049a86616a 39 while(1){
ER4 1:5a049a86616a 40 for (j=0;j<=7;j++){
ER4 1:5a049a86616a 41 //spi.write(colone[j]);
ER4 1:5a049a86616a 42 cs = 0;
ER4 1:5a049a86616a 43 spi.write(~(1<<j));//colonnes
ER4 1:5a049a86616a 44 spi.write(1<<i);//lignes
ER4 1:5a049a86616a 45 //spi.write(0xFF);
ER4 1:5a049a86616a 46 cs = 1;
ER4 1:5a049a86616a 47 wait(0.1);
ER4 1:5a049a86616a 48
ER4 1:5a049a86616a 49 }
ER4 1:5a049a86616a 50 if(i==7)
ER4 1:5a049a86616a 51 i=0;
ER4 1:5a049a86616a 52 else
ER4 1:5a049a86616a 53 i++;
ER4 1:5a049a86616a 54 wait(0.1);
jksoft 0:592717f4890b 55
ER4 1:5a049a86616a 56
ER4 1:5a049a86616a 57
ER4 1:5a049a86616a 58 //ligne(1<<i);
ER4 1:5a049a86616a 59 //if(i==7)
ER4 1:5a049a86616a 60 // i=0;
ER4 1:5a049a86616a 61 // else
ER4 1:5a049a86616a 62 // i++;
ER4 1:5a049a86616a 63 // wait(0.5);
ER4 1:5a049a86616a 64 // }
ER4 1:5a049a86616a 65
ER4 1:5a049a86616a 66
jksoft 0:592717f4890b 67 }
ER4 1:5a049a86616a 68 }