Siva ram / Mbed 2 deprecated spiDMAtest

test

Dependencies:   SimpleDMA mbed-rtos mbed

Fork of spiDMAtest by Shreesha S

main.cpp@0:f0f5102ed9ca, 2015-07-15 (annotated)

Committer:
shreeshas95
Date:
Wed Jul 15 11:16:13 2015 +0000
Revision:
0:f0f5102ed9ca
Child:
1:3cceef118195
working dma without interrupt

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shreeshas95 0:f0f5102ed9ca 1 #include "mbed.h"
shreeshas95 0:f0f5102ed9ca 2 #include "rtos.h"
shreeshas95 0:f0f5102ed9ca 3 #include "SimpleDMA.h"
shreeshas95 0:f0f5102ed9ca 4 #include "dmaSPIslave.h"
shreeshas95 0:f0f5102ed9ca 5
shreeshas95 0:f0f5102ed9ca 6 dmaSPISlave spi(PTA16, PTA17, PTA15, PTA14);
shreeshas95 0:f0f5102ed9ca 7 RawSerial pc(USBTX, USBRX);
shreeshas95 0:f0f5102ed9ca 8 DigitalOut ledg(LED_GREEN);
shreeshas95 0:f0f5102ed9ca 9
shreeshas95 0:f0f5102ed9ca 10 int main(){
shreeshas95 0:f0f5102ed9ca 11 pc.baud(9600);
shreeshas95 0:f0f5102ed9ca 12 pc.printf("inside main\r\n");
shreeshas95 0:f0f5102ed9ca 13 spi.format(8,3);
shreeshas95 0:f0f5102ed9ca 14 spi.frequency(1000000);
shreeshas95 0:f0f5102ed9ca 15
shreeshas95 0:f0f5102ed9ca 16 uint8_t buffer[100] = {0};
shreeshas95 0:f0f5102ed9ca 17 pc.printf("welcome to dma test, start sending data now\r\n");
shreeshas95 0:f0f5102ed9ca 18
shreeshas95 0:f0f5102ed9ca 19 // int i = 0;
shreeshas95 0:f0f5102ed9ca 20 // while(i < 100){
shreeshas95 0:f0f5102ed9ca 21 // if(spi.receive()){
shreeshas95 0:f0f5102ed9ca 22 // buffer[i] = spi.read();
shreeshas95 0:f0f5102ed9ca 23 // ++i;
shreeshas95 0:f0f5102ed9ca 24 // ledg = !ledg;
shreeshas95 0:f0f5102ed9ca 25 // }
shreeshas95 0:f0f5102ed9ca 26 // }
shreeshas95 0:f0f5102ed9ca 27 spi.bulkRead(buffer, 100);
shreeshas95 0:f0f5102ed9ca 28
shreeshas95 0:f0f5102ed9ca 29 for(int i = 0 ; i < 100 ; ++i){
shreeshas95 0:f0f5102ed9ca 30 pc.printf("%02x ", buffer[i]);
shreeshas95 0:f0f5102ed9ca 31 }
shreeshas95 0:f0f5102ed9ca 32 pc.printf("\r\n");
shreeshas95 0:f0f5102ed9ca 33
shreeshas95 0:f0f5102ed9ca 34 return 0;
shreeshas95 0:f0f5102ed9ca 35 }