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Diffstat (limited to 'pcr-controller/cmd_queue.h')
-rw-r--r-- | pcr-controller/cmd_queue.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/pcr-controller/cmd_queue.h b/pcr-controller/cmd_queue.h new file mode 100644 index 0000000..9bd29db --- /dev/null +++ b/pcr-controller/cmd_queue.h @@ -0,0 +1,37 @@ +/* + * r3PCR Teensy Controller Code + * + * + * Copyright (C) 2013-2014 Bernhard Tittelbach <xro@realraum.at> + * + * This code is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * any later version. + * + * This code is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef CMD_QUEUE_INCLUDE_H_ +#define CMD_QUEUE_INCLUDE_H_ + +#include <avr/io.h> + +/* The only actual reason for this queue is to enable non-blocking reads. +* I.e. we want to avoid blocking the main loop while waiting on a user-input terminating '\n', '\r' or ',' . +* As we could (and DO if the queue is full) execute a command right away once all arguments have been read, +* the queue really does not need to be 4 long and the whole handling could me much much simpler. +* I.e. only ever remember ONE command and execute it as soon as all args are present! +*/ + +uint8_t cmdq_addCharToArgumentBuffer(uint8_t c); +void cmdq_queueCmdWithNumArgs(void* fptr, uint8_t num_args, uint8_t cmd); +void cmdq_doWork(void); + +#endif |