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Test for mike
Dependencies: mbed DevInterfaces MCP4728 MCP4728setaddr I2Cinterfaces
main.cpp@0:5bc0f4bd5aa0, 2016-01-13 (annotated)
- Committer:
- wbeaumont
- Date:
- Wed Jan 13 14:15:21 2016 +0000
- Revision:
- 0:5bc0f4bd5aa0
- Child:
- 1:d175631a5803
inital not tested with MCP4728 , but was tested in the SOLID project
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
wbeaumont | 0:5bc0f4bd5aa0 | 1 | #include "mbed.h" |
wbeaumont | 0:5bc0f4bd5aa0 | 2 | |
wbeaumont | 0:5bc0f4bd5aa0 | 3 | #if defined (TARGET_KL25Z) || defined (TARGET_KL46Z) |
wbeaumont | 0:5bc0f4bd5aa0 | 4 | PinName const SDA = PTE25; |
wbeaumont | 0:5bc0f4bd5aa0 | 5 | PinName const SCL = PTE24; |
wbeaumont | 0:5bc0f4bd5aa0 | 6 | #elif defined (TARGET_KL05Z) |
wbeaumont | 0:5bc0f4bd5aa0 | 7 | PinName const SDA = PTB4; |
wbeaumont | 0:5bc0f4bd5aa0 | 8 | PinName const SCL = PTB3; |
wbeaumont | 0:5bc0f4bd5aa0 | 9 | #elif defined (TARGET_K20D50M) |
wbeaumont | 0:5bc0f4bd5aa0 | 10 | PinName const SDA = PTB1; |
wbeaumont | 0:5bc0f4bd5aa0 | 11 | PinName const SCL = PTB0; |
wbeaumont | 0:5bc0f4bd5aa0 | 12 | #else |
wbeaumont | 0:5bc0f4bd5aa0 | 13 | #error TARGET NOT DEFINED |
wbeaumont | 0:5bc0f4bd5aa0 | 14 | #endif |
wbeaumont | 0:5bc0f4bd5aa0 | 15 | |
wbeaumont | 0:5bc0f4bd5aa0 | 16 | |
wbeaumont | 0:5bc0f4bd5aa0 | 17 | #include "I2C.h" |
wbeaumont | 0:5bc0f4bd5aa0 | 18 | #include "I2CInterface.h" |
wbeaumont | 0:5bc0f4bd5aa0 | 19 | #include "MBEDI2CInterface.h" |
wbeaumont | 0:5bc0f4bd5aa0 | 20 | #include "DACInterface.h" |
wbeaumont | 0:5bc0f4bd5aa0 | 21 | #include "dev_interface_def.h" |
wbeaumont | 0:5bc0f4bd5aa0 | 22 | #include "mcp4728.h" |
wbeaumont | 0:5bc0f4bd5aa0 | 23 | |
wbeaumont | 0:5bc0f4bd5aa0 | 24 | MBEDI2CInterface mbedi2c( SDA, SCL); |
wbeaumont | 0:5bc0f4bd5aa0 | 25 | MBEDI2CInterface* mbedi2cp= &mbedi2c ; |
wbeaumont | 0:5bc0f4bd5aa0 | 26 | I2CInterface* i2cdev= mbedi2cp; |
wbeaumont | 0:5bc0f4bd5aa0 | 27 | const float Vdd=5.0; |
wbeaumont | 0:5bc0f4bd5aa0 | 28 | |
wbeaumont | 0:5bc0f4bd5aa0 | 29 | Serial pc(USBTX, USBRX); |
wbeaumont | 0:5bc0f4bd5aa0 | 30 | |
wbeaumont | 0:5bc0f4bd5aa0 | 31 | int main(void) { |
wbeaumont | 0:5bc0f4bd5aa0 | 32 | |
wbeaumont | 0:5bc0f4bd5aa0 | 33 | // get the version of getVersion |
wbeaumont | 0:5bc0f4bd5aa0 | 34 | getVersion gv; |
wbeaumont | 0:5bc0f4bd5aa0 | 35 | printf("getVersion :%s\n\r",gv.getversioninfo()); |
wbeaumont | 0:5bc0f4bd5aa0 | 36 | |
wbeaumont | 0:5bc0f4bd5aa0 | 37 | MCP4728 dac( i2cdev ,0, Vdd); // assuming the address of the MCP4728 is set to 0 factory default |
wbeaumont | 0:5bc0f4bd5aa0 | 38 | printf("MCP4728 :%s\n\r",dac.getversioninfo()); |
wbeaumont | 0:5bc0f4bd5aa0 | 39 | wait(4); |
wbeaumont | 0:5bc0f4bd5aa0 | 40 | float voltage=0; |
wbeaumont | 0:5bc0f4bd5aa0 | 41 | int cnt=0; |
wbeaumont | 0:5bc0f4bd5aa0 | 42 | while(1){ |
wbeaumont | 0:5bc0f4bd5aa0 | 43 | // first set the 4 channels |
wbeaumont | 0:5bc0f4bd5aa0 | 44 | for ( int cc =0 ; cc <4 ; cc++) { |
wbeaumont | 0:5bc0f4bd5aa0 | 45 | if ( dac.setDACvalue(cnt,cc) ) |
wbeaumont | 0:5bc0f4bd5aa0 | 46 | printf("failed to set dac value %d for channel %d\n\r",cnt,cc); |
wbeaumont | 0:5bc0f4bd5aa0 | 47 | } |
wbeaumont | 0:5bc0f4bd5aa0 | 48 | printf("set DAC value to %d result in",cnt); |
wbeaumont | 0:5bc0f4bd5aa0 | 49 | // no else read anyway even if set fails |
wbeaumont | 0:5bc0f4bd5aa0 | 50 | for ( int cc =0 ; cc <4 ; cc++) { |
wbeaumont | 0:5bc0f4bd5aa0 | 51 | if ( dac.getVoltage(voltage,cc)) |
wbeaumont | 0:5bc0f4bd5aa0 | 52 | printf("\n\rfailed to readback voltage for channel %d\n\r",cc); |
wbeaumont | 0:5bc0f4bd5aa0 | 53 | else |
wbeaumont | 0:5bc0f4bd5aa0 | 54 | printf(" CH%d %f[V]",cc,voltage); |
wbeaumont | 0:5bc0f4bd5aa0 | 55 | } |
wbeaumont | 0:5bc0f4bd5aa0 | 56 | printf("\n\r"); |
wbeaumont | 0:5bc0f4bd5aa0 | 57 | cnt++; |
wbeaumont | 0:5bc0f4bd5aa0 | 58 | cnt=cnt % 4096; |
wbeaumont | 0:5bc0f4bd5aa0 | 59 | wait_ms(200); |
wbeaumont | 0:5bc0f4bd5aa0 | 60 | |
wbeaumont | 0:5bc0f4bd5aa0 | 61 | } |
wbeaumont | 0:5bc0f4bd5aa0 | 62 | // never reach this |
wbeaumont | 0:5bc0f4bd5aa0 | 63 | return 1; |
wbeaumont | 0:5bc0f4bd5aa0 | 64 | } |