Brad Stewart
Simple program to read X and Y data from AS5013 Hall sensor IC. It connects to the AMS5013 Eval Kit (https://www.digikey.com/product-detail/en/ams/AS5013-QF_EK_AB/AS5013-QF_EK_AB-ND/6568933)
Revision 0:cfe457d3bc29, committed 2017-07-28
- Comitter:
- bradstew
- Date:
- Fri Jul 28 18:44:56 2017 +0000
- Commit message:
- Final version used in Digikey article;
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 cfe457d3bc29 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Jul 28 18:44:56 2017 +0000
@@ -0,0 +1,71 @@
+#include "mbed.h"
+#if defined (TARGET_KL05Z)
+
+#else
+#error TARGET NOT DEFINED
+#endif
+
+PinName const SDA = PTB4;
+PinName const SCL = PTB3;
+
+I2C i2c(SDA, SCL); //construct I2c object
+
+const int addr = 0x40<<1; //i2c address of AS5013
+Serial pc(USBTX, USBRX); //optional, but needed to set faster baud
+char data[7];
+//void init_AS5013(void);
+
+void init_AS5013(){
+ int8_t statusF=0;
+ //i=0;
+ wait(0.1);
+ data[0]=0x0f;
+ data[1]=0x02;
+ i2c.write(addr,data,2); //reset part. write 2 to reg 0x0f
+ wait(.01);
+ //printf("two...");
+ /*
+ while(statusF != 0xf0) {
+ data[0]= 0x0f;
+ i2c.write(addr,data,1); //set up to read register 0x0f
+ i2c.read(addr,data,1);
+ statusF = data[0] & 0xfe;
+ wait(0.01);
+ printf("0x%x2 0x%x2...",statusF,data[0]);
+ }
+ */
+ //printf("three...");
+ //set up the gain factor
+ data[0] = 0x2d; //set up write to register 0x2d with scalling factor
+ data[1] = 0x04; //scaling factor
+ i2c.write(addr,data,2);
+
+ }
+
+int main() {
+ int8_t x,y; //x y values to be printed to terminal
+ uint8_t statusF; //status flag
+ pc.baud (115200);
+ //printf("start...");
+ init_AS5013(); //reset and initialze the AS5013
+ //printf("one...");
+ while (1) {
+ wait(0.1);
+ statusF =0;
+ data[0] = 0x0f;
+ i2c.write(addr, data, 1); //set to read address 0x0f
+ i2c.read(addr, data, 3); //read data at register 0x0f, 0x10, 0x11
+ statusF = data[0]; //get status byte
+ if(statusF & 0x01){
+ x=data[1]; //get x
+ y=data[2]; //get y
+ printf(" %d %d", x,y); //output result
+ printf("\n");
+ }
+ else{
+ pc.printf("error 0x%x\n",statusF); //should not get here
+ }
+
+ }
+}
+
diff -r 000000000000 -r cfe457d3bc29 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Jul 28 18:44:56 2017 +0000 @@ -0,0 +1,1 @@ +https://mbed.org/users/mbed_official/code/mbed/builds/22da6e220af6 \ No newline at end of file