Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

Committer:
sahilmgandhi
Date:
Sat Jun 03 00:22:44 2017 +0000
Revision:
46:b156ef445742
Parent:
18:6a4db94011d3
Final code for internal battlebot competition.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* mbed Microcontroller Library - stackheap
sahilmgandhi 18:6a4db94011d3 2 * Setup a fixed single stack/heap memory model,
sahilmgandhi 18:6a4db94011d3 3 * between the top of the RW/ZI region and the stackpointer
sahilmgandhi 18:6a4db94011d3 4 *******************************************************************************
sahilmgandhi 18:6a4db94011d3 5 * Copyright (c) 2015, STMicroelectronics
sahilmgandhi 18:6a4db94011d3 6 * All rights reserved.
sahilmgandhi 18:6a4db94011d3 7 *
sahilmgandhi 18:6a4db94011d3 8 * Redistribution and use in source and binary forms, with or without
sahilmgandhi 18:6a4db94011d3 9 * modification, are permitted provided that the following conditions are met:
sahilmgandhi 18:6a4db94011d3 10 *
sahilmgandhi 18:6a4db94011d3 11 * 1. Redistributions of source code must retain the above copyright notice,
sahilmgandhi 18:6a4db94011d3 12 * this list of conditions and the following disclaimer.
sahilmgandhi 18:6a4db94011d3 13 * 2. Redistributions in binary form must reproduce the above copyright notice,
sahilmgandhi 18:6a4db94011d3 14 * this list of conditions and the following disclaimer in the documentation
sahilmgandhi 18:6a4db94011d3 15 * and/or other materials provided with the distribution.
sahilmgandhi 18:6a4db94011d3 16 * 3. Neither the name of STMicroelectronics nor the names of its contributors
sahilmgandhi 18:6a4db94011d3 17 * may be used to endorse or promote products derived from this software
sahilmgandhi 18:6a4db94011d3 18 * without specific prior written permission.
sahilmgandhi 18:6a4db94011d3 19 *
sahilmgandhi 18:6a4db94011d3 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
sahilmgandhi 18:6a4db94011d3 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sahilmgandhi 18:6a4db94011d3 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
sahilmgandhi 18:6a4db94011d3 23 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
sahilmgandhi 18:6a4db94011d3 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sahilmgandhi 18:6a4db94011d3 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
sahilmgandhi 18:6a4db94011d3 26 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
sahilmgandhi 18:6a4db94011d3 27 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
sahilmgandhi 18:6a4db94011d3 28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
sahilmgandhi 18:6a4db94011d3 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
sahilmgandhi 18:6a4db94011d3 30 *******************************************************************************
sahilmgandhi 18:6a4db94011d3 31 */
sahilmgandhi 18:6a4db94011d3 32
sahilmgandhi 18:6a4db94011d3 33 #ifdef __cplusplus
sahilmgandhi 18:6a4db94011d3 34 extern "C" {
sahilmgandhi 18:6a4db94011d3 35 #endif
sahilmgandhi 18:6a4db94011d3 36
sahilmgandhi 18:6a4db94011d3 37 #include <rt_misc.h>
sahilmgandhi 18:6a4db94011d3 38 #include <stdint.h>
sahilmgandhi 18:6a4db94011d3 39
sahilmgandhi 18:6a4db94011d3 40 extern char Image$$RW_IRAM1$$ZI$$Limit[];
sahilmgandhi 18:6a4db94011d3 41
sahilmgandhi 18:6a4db94011d3 42 extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
sahilmgandhi 18:6a4db94011d3 43 uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
sahilmgandhi 18:6a4db94011d3 44 uint32_t sp_limit = __current_sp();
sahilmgandhi 18:6a4db94011d3 45
sahilmgandhi 18:6a4db94011d3 46 zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned
sahilmgandhi 18:6a4db94011d3 47
sahilmgandhi 18:6a4db94011d3 48 struct __initial_stackheap r;
sahilmgandhi 18:6a4db94011d3 49 r.heap_base = zi_limit;
sahilmgandhi 18:6a4db94011d3 50 r.heap_limit = sp_limit;
sahilmgandhi 18:6a4db94011d3 51 return r;
sahilmgandhi 18:6a4db94011d3 52 }
sahilmgandhi 18:6a4db94011d3 53
sahilmgandhi 18:6a4db94011d3 54 #ifdef __cplusplus
sahilmgandhi 18:6a4db94011d3 55 }
sahilmgandhi 18:6a4db94011d3 56 #endif