LIS302HelloWorld - WHOAMI Example for the LIS302

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WHOAMI Example for the LIS302

main.cpp@0:51161d5d0bb2, 2010-02-23 (annotated)

User	Revision	Line number	New contents of line
demo	0:51161d5d0bb2	1	#include "mbed.h"
demo	0:51161d5d0bb2	2
demo	0:51161d5d0bb2	3	SPI spi (p11, p12, p13);
demo	0:51161d5d0bb2	4	DigitalOut cs (p10);
demo	0:51161d5d0bb2	5
demo	0:51161d5d0bb2	6	int main() {
demo	0:51161d5d0bb2	7
demo	0:51161d5d0bb2	8	spi.format(8, 3); // 8 bit, mode 3 (high clk, 2nd edge capture)
demo	0:51161d5d0bb2	9	spi.frequency(1000000); // 1MHz clock rate
demo	0:51161d5d0bb2	10
demo	0:51161d5d0bb2	11	// Enable the device, and all three channels
demo	0:51161d5d0bb2	12	cs = 0;
demo	0:51161d5d0bb2	13	spi.write(0x20);
demo	0:51161d5d0bb2	14	spi.write(0x40);
demo	0:51161d5d0bb2	15	cs = 1;
demo	0:51161d5d0bb2	16
demo	0:51161d5d0bb2	17	wait (0.01);
demo	0:51161d5d0bb2	18
demo	0:51161d5d0bb2	19	// Send the command to read the WHOAMI register
demo	0:51161d5d0bb2	20	cs = 0;
demo	0:51161d5d0bb2	21	spi.write(0x8F);
demo	0:51161d5d0bb2	22	char value = spi.write(0x00);
demo	0:51161d5d0bb2	23	cs = 1;
demo	0:51161d5d0bb2	24
demo	0:51161d5d0bb2	25	printf("WHOAMI register contains 0x%X\n", value);
demo	0:51161d5d0bb2	26	}