Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

features/unsupported/tests/mbed/spi/main.cpp@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:f269e3021894 1 #include "mbed.h"
elessair 0:f269e3021894 2
elessair 0:f269e3021894 3 #if !DEVICE_SPI
elessair 0:f269e3021894 4 #error [NOT_SUPPORTED] SPI is not supported
elessair 0:f269e3021894 5 #endif
elessair 0:f269e3021894 6
elessair 0:f269e3021894 7 #if defined(TARGET_SAMR21G18A)
elessair 0:f269e3021894 8 SPI spi(PB22, PB02, PB23); // mosi, miso, sclk
elessair 0:f269e3021894 9 DigitalOut latchpin(PB03);
elessair 0:f269e3021894 10 #elif defined(TARGET_SAMD21J18A) || defined(TARGET_SAMD21G18A) || defined(TARGET_SAML21J18A)
elessair 0:f269e3021894 11 SPI spi(PA18, PA16, PA19); // mosi, miso, sclk
elessair 0:f269e3021894 12 DigitalOut latchpin(PA17);
elessair 0:f269e3021894 13 #elif defined(TARGET_SAMG55J19)
elessair 0:f269e3021894 14 SPI spi(PA10, PA09, PB00, PA25); // mosi, miso, sclk cs
elessair 0:f269e3021894 15 DigitalOut latchpin(PA25);
elessair 0:f269e3021894 16 #else
elessair 0:f269e3021894 17 SPI spi(p11, p12, p13);
elessair 0:f269e3021894 18 DigitalOut latchpin(p10);
elessair 0:f269e3021894 19 #endif
elessair 0:f269e3021894 20
elessair 0:f269e3021894 21 int main() {
elessair 0:f269e3021894 22 spi.format(8, 0);
elessair 0:f269e3021894 23 spi.frequency(16 * 1000 * 1000);
elessair 0:f269e3021894 24
elessair 0:f269e3021894 25 latchpin = 0;
elessair 0:f269e3021894 26 while (1) {
elessair 0:f269e3021894 27 latchpin = 1;
elessair 0:f269e3021894 28 spi.write(0);
elessair 0:f269e3021894 29 latchpin = 0;
elessair 0:f269e3021894 30 }
elessair 0:f269e3021894 31 }