Keith Stokely
Test for mike
Dependencies: mbed DevInterfaces MCP4728 MCP4728setaddr I2Cinterfaces
Revision 0:5bc0f4bd5aa0, committed 2016-01-13
- Comitter:
- wbeaumont
- Date:
- Wed Jan 13 14:15:21 2016 +0000
- Child:
- 1:d175631a5803
- Commit message:
- inital not tested with MCP4728 , but was tested in the SOLID project
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DevInterfaces.lib Wed Jan 13 14:15:21 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/wbeaumont/code/DevInterfaces/#58f1d5a3f850
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/I2Cinterfaces.lib Wed Jan 13 14:15:21 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/wbeaumont/code/I2Cinterfaces/#80ebfbf95667
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MCP4728.lib Wed Jan 13 14:15:21 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/wbeaumont/code/MCP4728/#f45f4ff5a51a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Jan 13 14:15:21 2016 +0000
@@ -0,0 +1,64 @@
+#include "mbed.h"
+
+#if defined (TARGET_KL25Z) || defined (TARGET_KL46Z)
+ PinName const SDA = PTE25;
+ PinName const SCL = PTE24;
+#elif defined (TARGET_KL05Z)
+ PinName const SDA = PTB4;
+ PinName const SCL = PTB3;
+#elif defined (TARGET_K20D50M)
+ PinName const SDA = PTB1;
+ PinName const SCL = PTB0;
+#else
+ #error TARGET NOT DEFINED
+#endif
+
+
+#include "I2C.h"
+#include "I2CInterface.h"
+#include "MBEDI2CInterface.h"
+#include "DACInterface.h"
+#include "dev_interface_def.h"
+#include "mcp4728.h"
+
+MBEDI2CInterface mbedi2c( SDA, SCL);
+MBEDI2CInterface* mbedi2cp= &mbedi2c ;
+I2CInterface* i2cdev= mbedi2cp;
+const float Vdd=5.0;
+
+Serial pc(USBTX, USBRX);
+
+int main(void) {
+
+ // get the version of getVersion
+ getVersion gv;
+ printf("getVersion :%s\n\r",gv.getversioninfo());
+
+ MCP4728 dac( i2cdev ,0, Vdd); // assuming the address of the MCP4728 is set to 0 factory default
+ printf("MCP4728 :%s\n\r",dac.getversioninfo());
+ wait(4);
+ float voltage=0;
+ int cnt=0;
+ while(1){
+ // first set the 4 channels
+ for ( int cc =0 ; cc <4 ; cc++) {
+ if ( dac.setDACvalue(cnt,cc) )
+ printf("failed to set dac value %d for channel %d\n\r",cnt,cc);
+ }
+ printf("set DAC value to %d result in",cnt);
+ // no else read anyway even if set fails
+ for ( int cc =0 ; cc <4 ; cc++) {
+ if ( dac.getVoltage(voltage,cc))
+ printf("\n\rfailed to readback voltage for channel %d\n\r",cc);
+ else
+ printf(" CH%d %f[V]",cc,voltage);
+ }
+ printf("\n\r");
+ cnt++;
+ cnt=cnt % 4096;
+ wait_ms(200);
+
+ }
+ // never reach this
+ return 1;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Jan 13 14:15:21 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/4336505e4b1c \ No newline at end of file