Mirror with some correction
Dependencies: mbed FastIO FastPWM USBDevice
SimpleDMA/SimpleDMA_common.cpp
- Committer:
- arnoz
- Date:
- 2021-10-01
- Revision:
- 116:7a67265d7c19
- Parent:
- 45:c42166b2878c
File content as of revision 116:7a67265d7c19:
#include "SimpleDMA.h" void SimpleDMA::channel(int chan) { if (chan == -1) { auto_channel = true; _channel = 0; } else { auto_channel = false; if (chan >= 0 && chan < DMA_CHANNELS) _channel = chan; else _channel = DMA_CHANNELS-1; } } int SimpleDMA::getFreeChannel(void) { int retval = 0; while(1) { if (!isBusy(retval)) return retval; retval++; if (retval >= DMA_CHANNELS) retval = 0; } }