This code acts as the master controlling the slave actions, done using FRDM_KL_25Z
Dependencies: mbed
Revision 0:7478eb44f4b1, committed 2016-07-29
- Comitter:
- suhasini
- Date:
- Fri Jul 29 10:00:16 2016 +0000
- Commit message:
- Master code using FRDM board
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Jul 29 10:00:16 2016 +0000 @@ -0,0 +1,43 @@ +#include "mbed.h" + +SPI spi(PTD2, PTD3, PTD1); // mosi, miso, sclk +DigitalOut cs(PTD0); +Serial pc(USBTX,USBRX); + + +int main() { + pc.baud(115200); + // Chip must be deselected + cs = 1; + + // Setup the spi for 8 bit data, high steady state clock, + // second edge capture, with a 1MHz clock rate + spi.format(8,1); + //spi.frequency(1000000); + spi.frequency(512000); //internal clock frequency of ADS1291 + + // Select the device by setting chip select low + cs = 0; + int v=0; + // Send 0x8f, the command to read the WHOAMI register + spi.write(0x8F); + + + // Send a dummy byte to receive the contents of the WHOAMI register + int whoami = spi.write(0x00); + // printf("WHOAMI register = 0x%X\n", whoami); + while(1) + { + wait(1); + + spi.write(v); + pc.printf("read the data %d",v); + //led = !led; + if(v==255) + v=0; + else + v=v+1; +} + // Deselect the device + cs = 1; +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Jul 29 10:00:16 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/7e07b6fb45cf \ No newline at end of file