From f3fb2a87faea8acf60a8d202bf860d4503e9810b Mon Sep 17 00:00:00 2001 From: Christian Pointner Date: Tue, 24 Feb 2015 22:24:36 +0100 Subject: moved pcr-controller to realraum github repo --- pcr-controller/cmd_queue.c | 131 --------------------------------------------- 1 file changed, 131 deletions(-) delete mode 100644 pcr-controller/cmd_queue.c (limited to 'pcr-controller/cmd_queue.c') diff --git a/pcr-controller/cmd_queue.c b/pcr-controller/cmd_queue.c deleted file mode 100644 index b17235a..0000000 --- a/pcr-controller/cmd_queue.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * r3PCR Teensy Controller Code - * - * - * Copyright (C) 2013-2014 Bernhard Tittelbach - * - * 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 . -*/ - -#include -#include -#include "cmd_queue.h" - -//static assert: -//~ static int SDFLKJ[sizeof(int) == sizeof(int16_t)] = { 0 }; - -#define CMDQ_INPUT_LIST_LEN 2 - -typedef struct { - uint8_t num_args; - uint8_t cmd; - void* function_ptr; - int16_t input_list[CMDQ_INPUT_LIST_LEN]; - uint8_t num_args_read; -} cmd_queue_item; - -#define CMQ_QUEUE_LENGTH 4 -cmd_queue_item cmd_queue_[CMQ_QUEUE_LENGTH]; -uint8_t cmd_queue_todo_pos_ = 0; -uint8_t cmd_queue_fillargs_pos_ = 0; -uint8_t cmd_queue_next_here_ = 0; - - - -#define CMDQ_READBUFFER_LEN 20 -char cmdq_readbuffer_[CMDQ_READBUFFER_LEN]; -uint8_t cmdq_readbuffer_pos_ = 0; - -inline void cmdq_finishReadingArgument(void) -{ - cmdq_readbuffer_[cmdq_readbuffer_pos_] = '\0'; - cmdq_readbuffer_pos_ = 0; - cmd_queue_[cmd_queue_fillargs_pos_].input_list[cmd_queue_[cmd_queue_fillargs_pos_].num_args_read++] = atoi(cmdq_readbuffer_); -} - -//call regularily if in state CQ_READING -uint8_t cmdq_addCharToArgumentBuffer(uint8_t c) -{ - if ( cmd_queue_todo_pos_ == cmd_queue_next_here_ ) - return 1; //nothing to do with us, since no cmd's queued - if (cmd_queue_[cmd_queue_fillargs_pos_].num_args_read >= CMDQ_INPUT_LIST_LEN) - return 1; //nothing to do with us - if (cmd_queue_[cmd_queue_fillargs_pos_].num_args_read >= cmd_queue_[cmd_queue_fillargs_pos_].num_args ) - return 1; //nothing to do with us - //if input terminated by \n or \r then addArgument - if (c == '\n' || c == '\r' || c == ',' || c == 0x1B) - { - cmdq_finishReadingArgument(); - return 0; - } else { //continue reading - cmdq_readbuffer_[cmdq_readbuffer_pos_++] = (char) c; - } - //if numlen +1 of readbuffer reached, addArgument as well (leave one char free to terminate with \0) - if (cmdq_readbuffer_pos_ +1 >= CMDQ_READBUFFER_LEN) - { - cmdq_finishReadingArgument(); - } - return 0; -} - -void cmdq_queueCmdWithNumArgs(void* fptr, uint8_t num_args, uint8_t cmd) -{ - if (num_args > CMDQ_INPUT_LIST_LEN) - { - printf("{\"cmd\":\"%c\",\"cmd_ok\":false,\"error\":\"max args == %d\"}\r\n", cmd, CMDQ_INPUT_LIST_LEN); - return; //to continue would hang cmdq, so we don't - } - if ((cmd_queue_next_here_ +1) % CMQ_QUEUE_LENGTH == cmd_queue_todo_pos_) //for this check REQUIRED: CMQ_QUEUE_LENGTH > 2 - cmdq_doWork(); //no more space in queue -> execute now ! - cmd_queue_[cmd_queue_next_here_].num_args = num_args; - cmd_queue_[cmd_queue_next_here_].cmd = cmd; - cmd_queue_[cmd_queue_next_here_].function_ptr = fptr; - cmd_queue_[cmd_queue_next_here_].num_args_read = 0; - cmd_queue_fillargs_pos_ = cmd_queue_next_here_; - cmd_queue_next_here_++; - cmd_queue_next_here_ %= CMQ_QUEUE_LENGTH; -} - -void cmdq_doWork(void) -{ - while ( cmd_queue_todo_pos_ != cmd_queue_next_here_ ) - { - // is num_args_read_ now equal to num args we expect ? - if (cmd_queue_[cmd_queue_todo_pos_].num_args_read != cmd_queue_[cmd_queue_todo_pos_].num_args ) - break; - if (cmd_queue_[cmd_queue_todo_pos_].function_ptr == 0 ) - break; - - switch (cmd_queue_[cmd_queue_todo_pos_].num_args) - { - case 0: - ((void(*)(void)) cmd_queue_[cmd_queue_todo_pos_].function_ptr)(); - break; - case 1: - ((void(*)(int16_t)) cmd_queue_[cmd_queue_todo_pos_].function_ptr)(cmd_queue_[cmd_queue_todo_pos_].input_list[0]); - break; - case 2: - ((void(*)(int16_t,int16_t)) cmd_queue_[cmd_queue_todo_pos_].function_ptr)(cmd_queue_[cmd_queue_todo_pos_].input_list[0], cmd_queue_[cmd_queue_todo_pos_].input_list[1]); - break; - } - char cmd = cmd_queue_[cmd_queue_todo_pos_].cmd; - cmd_queue_[cmd_queue_todo_pos_].num_args_read = 0; - cmd_queue_[cmd_queue_todo_pos_].num_args = 0; - cmd_queue_[cmd_queue_todo_pos_].function_ptr = 0; - cmd_queue_[cmd_queue_todo_pos_].cmd = 0; - cmd_queue_todo_pos_++; - cmd_queue_todo_pos_ %= CMQ_QUEUE_LENGTH; - printf("{\"cmd\":\"%c\",\"cmd_ok\":true}\r\n",cmd); - } -} -- cgit v1.2.3