iitm sat / Mbed 2 deprecated Beacon_test_code

TESTING CONNECTIONS IN BCN

Dependencies:   mbed

main.cpp@0:2211888e98cf, 2016-04-13 (annotated)

Committer:
spacelab
Date:
Wed Apr 13 16:38:24 2016 +0000
Revision:
0:2211888e98cf
TESTING spi CONNECTIONS FOR BCN;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
spacelab 0:2211888e98cf 1 #include "mbed.h"
spacelab 0:2211888e98cf 2 Serial pc(USBTX, USBRX); // tx, rx
spacelab 0:2211888e98cf 3 //SPI spi(D11, D12, D13); // mosi, miso, sclk
spacelab 0:2211888e98cf 4 //DigitalOut cs(D10); //slave select or chip select
spacelab 0:2211888e98cf 5 SPI spi(PTE18, PTE19, PTE17); // mosi, miso, sclk
spacelab 0:2211888e98cf 6 DigitalOut cs(PTE5); //slave select or chip select
spacelab 0:2211888e98cf 7 #define RF22_REG_00_DEVICE_TYPE 0x00
spacelab 0:2211888e98cf 8
spacelab 0:2211888e98cf 9 uint8_t readreg(uint8_t reg)
spacelab 0:2211888e98cf 10 {
spacelab 0:2211888e98cf 11 int val;cs = 0;__disable_irq();spi.write(reg & ~0x80);val = spi.write(0);__enable_irq();cs = 1;return val;
spacelab 0:2211888e98cf 12 }
spacelab 0:2211888e98cf 13 int main()
spacelab 0:2211888e98cf 14 {
spacelab 0:2211888e98cf 15 wait(1); // wait for POR to complete //change the timing later
spacelab 0:2211888e98cf 16 cs=1; // chip must be deselected
spacelab 0:2211888e98cf 17 wait(1); //change the time later
spacelab 0:2211888e98cf 18 spi.format(8,0);
spacelab 0:2211888e98cf 19 spi.frequency(10000000); //10MHz SCLK
spacelab 0:2211888e98cf 20 if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08) pc.printf("spi connection valid\n");
spacelab 0:2211888e98cf 21 else pc.printf("error in spi connection\n");
spacelab 0:2211888e98cf 22 }