TaPeng / Mbed 2 deprecated SPI

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Dependencies:   mbed

main.cpp@0:b09a91845bdb, 2019-03-18 (annotated)

Committer:
tamamfirdaus
Date:
Mon Mar 18 15:03:37 2019 +0000
Revision:
0:b09a91845bdb
spi;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tamamfirdaus 0:b09a91845bdb 1 #include "mbed.h"
tamamfirdaus 0:b09a91845bdb 2
tamamfirdaus 0:b09a91845bdb 3 SPISlave device(PA_7, PA_6, PA_5, PA_4); // mosi, miso, sclk, ssel
tamamfirdaus 0:b09a91845bdb 4
tamamfirdaus 0:b09a91845bdb 5 Serial pc(USBTX, USBRX); // tx, rx
tamamfirdaus 0:b09a91845bdb 6
tamamfirdaus 0:b09a91845bdb 7 int main() {
tamamfirdaus 0:b09a91845bdb 8 pc.baud(115200);
tamamfirdaus 0:b09a91845bdb 9 int counter = 1;
tamamfirdaus 0:b09a91845bdb 10
tamamfirdaus 0:b09a91845bdb 11 device.format(8,3); // Setup: bit data, high steady state clock, 2nd edge capture
tamamfirdaus 0:b09a91845bdb 12 device.frequency(1000000); // 1MHz
tamamfirdaus 0:b09a91845bdb 13
tamamfirdaus 0:b09a91845bdb 14 int reply = pc.getc()-48;
tamamfirdaus 0:b09a91845bdb 15 device.reply(reply); // Prime SPI with first reply
tamamfirdaus 0:b09a91845bdb 16 device.reply(reply); // Prime SPI with first reply, again
tamamfirdaus 0:b09a91845bdb 17
tamamfirdaus 0:b09a91845bdb 18 pc.printf("======================================================\r\n");
tamamfirdaus 0:b09a91845bdb 19 pc.printf("Startup Next reply will be %d\r\n", reply);
tamamfirdaus 0:b09a91845bdb 20
tamamfirdaus 0:b09a91845bdb 21 while (1) {
tamamfirdaus 0:b09a91845bdb 22 if (device.receive()) {
tamamfirdaus 0:b09a91845bdb 23 int valueFromMaster = device.read();
tamamfirdaus 0:b09a91845bdb 24 pc.printf("%d Something rxvd, and should have replied with %d\n\r", counter++, reply);
tamamfirdaus 0:b09a91845bdb 25 device.reply(++reply); // Prime SPI with next reply
tamamfirdaus 0:b09a91845bdb 26 pc.printf(" Received value from Master (%d) Next reply will be %d \r\n", valueFromMaster, reply);
tamamfirdaus 0:b09a91845bdb 27 }
tamamfirdaus 0:b09a91845bdb 28 }
tamamfirdaus 0:b09a91845bdb 29 }