Each LPC1768 is capable of controlling 2 CAN bus lines. Linking multiple chips together via SPI allows for more bus lines to be monitored simultaneously. Master unit.
main.cpp@0:855b6e84e744, 2014-10-31 (annotated)
- Committer:
- ggudgel
- Date:
- Fri Oct 31 22:13:47 2014 +0000
- Revision:
- 0:855b6e84e744
First working revision. Test functionality of one mbed system controlling another through SPI, while utilizing CAN bus lines.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ggudgel | 0:855b6e84e744 | 1 | #include "mbed.h" |
ggudgel | 0:855b6e84e744 | 2 | #include "spiMasterProtocol.h" |
ggudgel | 0:855b6e84e744 | 3 | |
ggudgel | 0:855b6e84e744 | 4 | // https://developer.mbed.org/forum/helloworld/topic/2541/ |
ggudgel | 0:855b6e84e744 | 5 | |
ggudgel | 0:855b6e84e744 | 6 | Serial pc(USBTX, USBRX); // tx, rx |
ggudgel | 0:855b6e84e744 | 7 | |
ggudgel | 0:855b6e84e744 | 8 | int main() { |
ggudgel | 0:855b6e84e744 | 9 | spiMasterProtocol* canDevice = new spiMasterProtocol(); |
ggudgel | 0:855b6e84e744 | 10 | |
ggudgel | 0:855b6e84e744 | 11 | pc.printf("======================================================\r\n"); |
ggudgel | 0:855b6e84e744 | 12 | pc.printf("Press any key to start...\r\n"); |
ggudgel | 0:855b6e84e744 | 13 | pc.getc(); // wait for keyboard |
ggudgel | 0:855b6e84e744 | 14 | |
ggudgel | 0:855b6e84e744 | 15 | while (1) { |
ggudgel | 0:855b6e84e744 | 16 | |
ggudgel | 0:855b6e84e744 | 17 | canDevice->get42(); |
ggudgel | 0:855b6e84e744 | 18 | |
ggudgel | 0:855b6e84e744 | 19 | wait(0.5); // Wait for 5 seconds for readability only |
ggudgel | 0:855b6e84e744 | 20 | |
ggudgel | 0:855b6e84e744 | 21 | canDevice->get84(); |
ggudgel | 0:855b6e84e744 | 22 | |
ggudgel | 0:855b6e84e744 | 23 | wait(0.5); |
ggudgel | 0:855b6e84e744 | 24 | |
ggudgel | 0:855b6e84e744 | 25 | } |
ggudgel | 0:855b6e84e744 | 26 | } |