Simple demo to check the DAC output by a DVM. The output voltage steps up by 0.42 V in each 5 s.
Dependencies: mbed
Fork of 05_dac12_test by
main.cpp@0:6dbf8446ecb2, 2015-11-18 (annotated)
- Committer:
- icserny
- Date:
- Wed Nov 18 15:26:39 2015 +0000
- Revision:
- 0:6dbf8446ecb2
First version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
icserny | 0:6dbf8446ecb2 | 1 | /** 05_dac12_demo |
icserny | 0:6dbf8446ecb2 | 2 | * Simple demo to check the DAC output by a DVM |
icserny | 0:6dbf8446ecb2 | 3 | * The output voltage steps up in each 5 seconds |
icserny | 0:6dbf8446ecb2 | 4 | * by about 0.42 V (assuming VREFH = 3.3V) |
icserny | 0:6dbf8446ecb2 | 5 | */ |
icserny | 0:6dbf8446ecb2 | 6 | |
icserny | 0:6dbf8446ecb2 | 7 | #include "mbed.h" |
icserny | 0:6dbf8446ecb2 | 8 | |
icserny | 0:6dbf8446ecb2 | 9 | AnalogOut aout(PTE30); |
icserny | 0:6dbf8446ecb2 | 10 | |
icserny | 0:6dbf8446ecb2 | 11 | int main() |
icserny | 0:6dbf8446ecb2 | 12 | { |
icserny | 0:6dbf8446ecb2 | 13 | |
icserny | 0:6dbf8446ecb2 | 14 | while(1) { |
icserny | 0:6dbf8446ecb2 | 15 | for (uint16_t i = 0; i < 0xffff; i += 0x2000) { |
icserny | 0:6dbf8446ecb2 | 16 | aout.write_u16(i); |
icserny | 0:6dbf8446ecb2 | 17 | wait(5); |
icserny | 0:6dbf8446ecb2 | 18 | } |
icserny | 0:6dbf8446ecb2 | 19 | } |
icserny | 0:6dbf8446ecb2 | 20 | } |