MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_ARM_SSG/TARGET_IOTSS/TARGET_IOTSS_BEID/device/system_CMSDK_BEID.c@18:6a4db94011d3, 2017-05-14 (annotated)

Committer:
sahilmgandhi
Date:
Sun May 14 23:18:57 2017 +0000
Revision:
18:6a4db94011d3
Publishing again

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* MPS2 CMSIS Library
sahilmgandhi 18:6a4db94011d3 2 *
sahilmgandhi 18:6a4db94011d3 3 * Copyright (c) 2006-2016 ARM Limited
sahilmgandhi 18:6a4db94011d3 4 * All rights reserved.
sahilmgandhi 18:6a4db94011d3 5 *
sahilmgandhi 18:6a4db94011d3 6 * Redistribution and use in source and binary forms, with or without
sahilmgandhi 18:6a4db94011d3 7 * modification, are permitted provided that the following conditions are met:
sahilmgandhi 18:6a4db94011d3 8 *
sahilmgandhi 18:6a4db94011d3 9 * 1. Redistributions of source code must retain the above copyright notice,
sahilmgandhi 18:6a4db94011d3 10 * this list of conditions and the following disclaimer.
sahilmgandhi 18:6a4db94011d3 11 *
sahilmgandhi 18:6a4db94011d3 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
sahilmgandhi 18:6a4db94011d3 13 * this list of conditions and the following disclaimer in the documentation
sahilmgandhi 18:6a4db94011d3 14 * and/or other materials provided with the distribution.
sahilmgandhi 18:6a4db94011d3 15 *
sahilmgandhi 18:6a4db94011d3 16 * 3. Neither the name of the copyright holder nor the names of its contributors
sahilmgandhi 18:6a4db94011d3 17 * may be used to endorse or promote products derived from this software without
sahilmgandhi 18:6a4db94011d3 18 * 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
sahilmgandhi 18:6a4db94011d3 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
sahilmgandhi 18:6a4db94011d3 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
sahilmgandhi 18:6a4db94011d3 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
sahilmgandhi 18:6a4db94011d3 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
sahilmgandhi 18:6a4db94011d3 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
sahilmgandhi 18:6a4db94011d3 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sahilmgandhi 18:6a4db94011d3 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
sahilmgandhi 18:6a4db94011d3 30 * POSSIBILITY OF SUCH DAMAGE.
sahilmgandhi 18:6a4db94011d3 31 *******************************************************************************
sahilmgandhi 18:6a4db94011d3 32 * @file system_CMSDK_BEID.c
sahilmgandhi 18:6a4db94011d3 33 * @brief CMSIS Device System Source File for
sahilmgandhi 18:6a4db94011d3 34 * CMSDK_BEID Device
sahilmgandhi 18:6a4db94011d3 35 *
sahilmgandhi 18:6a4db94011d3 36 *******************************************************************************/
sahilmgandhi 18:6a4db94011d3 37
sahilmgandhi 18:6a4db94011d3 38
sahilmgandhi 18:6a4db94011d3 39 #include "CMSDK_BEID.h"
sahilmgandhi 18:6a4db94011d3 40
sahilmgandhi 18:6a4db94011d3 41 /*----------------------------------------------------------------------------
sahilmgandhi 18:6a4db94011d3 42 Define clocks
sahilmgandhi 18:6a4db94011d3 43 *----------------------------------------------------------------------------*/
sahilmgandhi 18:6a4db94011d3 44 #define __XTAL (48000000UL) /* Oscillator frequency */
sahilmgandhi 18:6a4db94011d3 45
sahilmgandhi 18:6a4db94011d3 46 #define __SYSTEM_CLOCK (__XTAL / 2)
sahilmgandhi 18:6a4db94011d3 47
sahilmgandhi 18:6a4db94011d3 48
sahilmgandhi 18:6a4db94011d3 49 /*----------------------------------------------------------------------------
sahilmgandhi 18:6a4db94011d3 50 Clock Variable definitions
sahilmgandhi 18:6a4db94011d3 51 *----------------------------------------------------------------------------*/
sahilmgandhi 18:6a4db94011d3 52 uint32_t SystemCoreClock = __SYSTEM_CLOCK;/*!< System Clock Frequency (Core Clock)*/
sahilmgandhi 18:6a4db94011d3 53
sahilmgandhi 18:6a4db94011d3 54
sahilmgandhi 18:6a4db94011d3 55 /*----------------------------------------------------------------------------
sahilmgandhi 18:6a4db94011d3 56 Clock functions
sahilmgandhi 18:6a4db94011d3 57 *----------------------------------------------------------------------------*/
sahilmgandhi 18:6a4db94011d3 58 /**
sahilmgandhi 18:6a4db94011d3 59 * Update SystemCoreClock variable
sahilmgandhi 18:6a4db94011d3 60 *
sahilmgandhi 18:6a4db94011d3 61 * @param none
sahilmgandhi 18:6a4db94011d3 62 * @return none
sahilmgandhi 18:6a4db94011d3 63 *
sahilmgandhi 18:6a4db94011d3 64 * @brief Updates the SystemCoreClock with current core Clock
sahilmgandhi 18:6a4db94011d3 65 * retrieved from cpu registers.
sahilmgandhi 18:6a4db94011d3 66 */
sahilmgandhi 18:6a4db94011d3 67 void SystemCoreClockUpdate (void)
sahilmgandhi 18:6a4db94011d3 68 {
sahilmgandhi 18:6a4db94011d3 69
sahilmgandhi 18:6a4db94011d3 70 SystemCoreClock = __SYSTEM_CLOCK;
sahilmgandhi 18:6a4db94011d3 71
sahilmgandhi 18:6a4db94011d3 72 }
sahilmgandhi 18:6a4db94011d3 73
sahilmgandhi 18:6a4db94011d3 74 /**
sahilmgandhi 18:6a4db94011d3 75 * Initialize the system
sahilmgandhi 18:6a4db94011d3 76 *
sahilmgandhi 18:6a4db94011d3 77 * @param none
sahilmgandhi 18:6a4db94011d3 78 * @return none
sahilmgandhi 18:6a4db94011d3 79 *
sahilmgandhi 18:6a4db94011d3 80 * @brief Setup the microcontroller system.
sahilmgandhi 18:6a4db94011d3 81 * Initialize the System.
sahilmgandhi 18:6a4db94011d3 82 */
sahilmgandhi 18:6a4db94011d3 83 void SystemInit (void)
sahilmgandhi 18:6a4db94011d3 84 {
sahilmgandhi 18:6a4db94011d3 85
sahilmgandhi 18:6a4db94011d3 86 #ifdef UNALIGNED_SUPPORT_DISABLE
sahilmgandhi 18:6a4db94011d3 87 SCB->CCR |= SCB_CCR_UNALIGN_TRP_Msk;
sahilmgandhi 18:6a4db94011d3 88 #endif
sahilmgandhi 18:6a4db94011d3 89
sahilmgandhi 18:6a4db94011d3 90 SystemCoreClock = __SYSTEM_CLOCK;
sahilmgandhi 18:6a4db94011d3 91
sahilmgandhi 18:6a4db94011d3 92 // Enable AHB and APB clock
sahilmgandhi 18:6a4db94011d3 93 CMSDK_SYSCON->AHBCLKCFG0SET = 0xF; // GPIO
sahilmgandhi 18:6a4db94011d3 94 CMSDK_SYSCON->APBCLKCFG0SET = 0xF9B7; // UART0, UART1, TIMER0, TIMER1, DUAL TIMER
sahilmgandhi 18:6a4db94011d3 95 }