Éric Poirier / Mbed 2 deprecated SPI_labo1

Labo APP1 (SPI)

Dependencies:   mbed

spi.cpp@0:f59252c7524a, 2017-08-30 (annotated)

Committer:
BobMorane22
Date:
Wed Aug 30 18:44:38 2017 +0000
Revision:
0:f59252c7524a
SPI example working. 7 segment resets itself automatically.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
BobMorane22 0:f59252c7524a 1 #include "mbed.h"
BobMorane22 0:f59252c7524a 2
BobMorane22 0:f59252c7524a 3 #define ON 0x00
BobMorane22 0:f59252c7524a 4 #define OFF 0x01
BobMorane22 0:f59252c7524a 5 #define ALWAYS 0x01
BobMorane22 0:f59252c7524a 6 #define CLEAR_7SEG 0x76
BobMorane22 0:f59252c7524a 7
BobMorane22 0:f59252c7524a 8 // PC <-USB-> Microcontroller:
BobMorane22 0:f59252c7524a 9 Serial pc(USBTX, USBRX); // tx, rx
BobMorane22 0:f59252c7524a 10
BobMorane22 0:f59252c7524a 11 // 7segment <-SPI-> Microcontroller:
BobMorane22 0:f59252c7524a 12 SPI seg7(p11, p12, p13);
BobMorane22 0:f59252c7524a 13
BobMorane22 0:f59252c7524a 14 // Slave select:
BobMorane22 0:f59252c7524a 15 DigitalOut cs(p14);
BobMorane22 0:f59252c7524a 16
BobMorane22 0:f59252c7524a 17
BobMorane22 0:f59252c7524a 18 int main()
BobMorane22 0:f59252c7524a 19 {
BobMorane22 0:f59252c7524a 20 int value = 0;
BobMorane22 0:f59252c7524a 21 cs = OFF;
BobMorane22 0:f59252c7524a 22
BobMorane22 0:f59252c7524a 23 while(ALWAYS)
BobMorane22 0:f59252c7524a 24 {
BobMorane22 0:f59252c7524a 25 pc.printf("Value: ");
BobMorane22 0:f59252c7524a 26 pc.scanf("%d", &value);
BobMorane22 0:f59252c7524a 27 pc.printf("%d\r\n", value);
BobMorane22 0:f59252c7524a 28
BobMorane22 0:f59252c7524a 29 cs = ON;
BobMorane22 0:f59252c7524a 30
BobMorane22 0:f59252c7524a 31 // Clear and write data:
BobMorane22 0:f59252c7524a 32 seg7.write(CLEAR_7SEG);
BobMorane22 0:f59252c7524a 33 wait(0.2);
BobMorane22 0:f59252c7524a 34 seg7.write(value);
BobMorane22 0:f59252c7524a 35
BobMorane22 0:f59252c7524a 36 cs = OFF;
BobMorane22 0:f59252c7524a 37 }
BobMorane22 0:f59252c7524a 38 }