Bryan Edelman
/
ADT7310
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Revision 0:9bc294b44806, committed 2010-03-04
- Comitter:
- pillsburydoughboy
- Date:
- Thu Mar 04 04:57:26 2010 +0000
- Commit message:
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 |
diff -r 000000000000 -r 9bc294b44806 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Mar 04 04:57:26 2010 +0000
@@ -0,0 +1,38 @@
+#include "mbed.h"
+
+SPI spi(p11, p12, p13); // mosi, miso, sclk
+DigitalOut temp_cs(p8); // chip select
+DigitalOut led1(LED1); //debug led
+Serial pc(USBTX, USBRX); // tx, rx
+
+int main() {
+ float temp = 0;
+ temp_cs = 1;
+
+ temp_cs = 0;
+ spi.format(8,3); //falling edge, clock idle high
+ spi.frequency(5000000);
+ spi.write(0x08); //write to config register
+ spi.write(0x10); //contin conversion mode
+ temp_cs = 1;
+
+ temp_cs = 0;
+ spi.write(0x54); //contin read mode
+ temp_cs = 1;
+
+ spi.format(16,3);
+ while (1) {
+ led1 = 0;
+ temp_cs = 0;
+ temp = spi.write(0x0000); //write 16 dummy bits to read 16 bits
+ temp_cs = 1;
+ if (temp<0)
+ temp = (temp -32768)/128; //negative temp calculation
+ else
+ temp = temp/128;//div by 128 16bit positive temp
+ led1 = 1;
+ pc.printf("Temperature = %1.6f \r", temp);
+ wait(1);
+ }
+
+}
\ No newline at end of file
diff -r 000000000000 -r 9bc294b44806 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Mar 04 04:57:26 2010 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/49a220cc26e0