MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_ONSEMI/TARGET_NCS36510/ticker.h@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?

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sahilmgandhi 18:6a4db94011d3 1 /**
sahilmgandhi 18:6a4db94011d3 2 ******************************************************************************
sahilmgandhi 18:6a4db94011d3 3 * @file ticker.h
sahilmgandhi 18:6a4db94011d3 4 * @brief Microcontroller uSec ticker
sahilmgandhi 18:6a4db94011d3 5 * @internal
sahilmgandhi 18:6a4db94011d3 6 * @author ON Semiconductor.
sahilmgandhi 18:6a4db94011d3 7 * $Rev:
sahilmgandhi 18:6a4db94011d3 8 * $Date:
sahilmgandhi 18:6a4db94011d3 9 ******************************************************************************
sahilmgandhi 18:6a4db94011d3 10 * Copyright 2016 Semiconductor Components Industries LLC (d/b/a “ON Semiconductor”).
sahilmgandhi 18:6a4db94011d3 11 * All rights reserved. This software and/or documentation is licensed by ON Semiconductor
sahilmgandhi 18:6a4db94011d3 12 * under limited terms and conditions. The terms and conditions pertaining to the software
sahilmgandhi 18:6a4db94011d3 13 * and/or documentation are available at http://www.onsemi.com/site/pdf/ONSEMI_T&C.pdf
sahilmgandhi 18:6a4db94011d3 14 * (“ON Semiconductor Standard Terms and Conditions of Sale, Section 8 Software”) and
sahilmgandhi 18:6a4db94011d3 15 * if applicable the software license agreement. Do not use this software and/or
sahilmgandhi 18:6a4db94011d3 16 * documentation unless you have carefully read and you agree to the limited terms and
sahilmgandhi 18:6a4db94011d3 17 * conditions. By using this software and/or documentation, you agree to the limited
sahilmgandhi 18:6a4db94011d3 18 * terms and conditions.
sahilmgandhi 18:6a4db94011d3 19 *
sahilmgandhi 18:6a4db94011d3 20 * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
sahilmgandhi 18:6a4db94011d3 21 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
sahilmgandhi 18:6a4db94011d3 22 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
sahilmgandhi 18:6a4db94011d3 23 * ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL,
sahilmgandhi 18:6a4db94011d3 24 * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
sahilmgandhi 18:6a4db94011d3 25 * @endinternal
sahilmgandhi 18:6a4db94011d3 26 *
sahilmgandhi 18:6a4db94011d3 27 *
sahilmgandhi 18:6a4db94011d3 28 */
sahilmgandhi 18:6a4db94011d3 29
sahilmgandhi 18:6a4db94011d3 30 #ifndef TICKER_H_
sahilmgandhi 18:6a4db94011d3 31 #define TICKER_H_
sahilmgandhi 18:6a4db94011d3 32
sahilmgandhi 18:6a4db94011d3 33 #include "types.h"
sahilmgandhi 18:6a4db94011d3 34
sahilmgandhi 18:6a4db94011d3 35 /** Core frequency definitions. /
sahilmgandhi 18:6a4db94011d3 36 *
sahilmgandhi 18:6a4db94011d3 37 * These definitions should be adjusted to setup Orion core frequencies.
sahilmgandhi 18:6a4db94011d3 38 */
sahilmgandhi 18:6a4db94011d3 39 #define CPU_CLOCK_ROOT_HZ ( ( unsigned long ) 32000000) /**< <b> Orion 32MHz root frequency </b> */
sahilmgandhi 18:6a4db94011d3 40 #define CPU_CLOCK_DIV_32M ( 1 ) /**< <b> Divider to set up core frequency at 32MHz </b> */
sahilmgandhi 18:6a4db94011d3 41 #define CPU_CLOCK_DIV_16M ( 2 ) /**< <b> Divider to set up core frequency at 16MHz </b> */
sahilmgandhi 18:6a4db94011d3 42 #define CPU_CLOCK_DIV_8M ( 4 ) /**< <b> Divider to set up core frequency at 8MHz </b> */
sahilmgandhi 18:6a4db94011d3 43 #define CPU_CLOCK_DIV_4M ( 8 ) /**< <b> Divider to set up core frequency at 4MHz </b> */
sahilmgandhi 18:6a4db94011d3 44
sahilmgandhi 18:6a4db94011d3 45 #define CPU_CLOCK_DIV CPU_CLOCK_DIV_32M /**< <b> Selected divider to be used by application code </b> */
sahilmgandhi 18:6a4db94011d3 46
sahilmgandhi 18:6a4db94011d3 47 #define configCPU_CLOCK_HZ ( ( unsigned long ) (CPU_CLOCK_ROOT_HZ/CPU_CLOCK_DIV) )
sahilmgandhi 18:6a4db94011d3 48 #define configTICK_RATE_HZ ( ( unsigned long ) 1000000 ) // 1uSec ticker rate
sahilmgandhi 18:6a4db94011d3 49
sahilmgandhi 18:6a4db94011d3 50
sahilmgandhi 18:6a4db94011d3 51 /* Lowest priority */
sahilmgandhi 18:6a4db94011d3 52
sahilmgandhi 18:6a4db94011d3 53 #define configKERNEL_INTERRUPT_PRIORITY ( 0xFF )
sahilmgandhi 18:6a4db94011d3 54 #define configMAX_SYSCALL_INTERRUPT_PRIORITY ( 0x8F )
sahilmgandhi 18:6a4db94011d3 55
sahilmgandhi 18:6a4db94011d3 56 #define configSYSTICK_CLOCK_HZ configCPU_CLOCK_HZ
sahilmgandhi 18:6a4db94011d3 57
sahilmgandhi 18:6a4db94011d3 58 /* Constants required to manipulate the core. Registers first... */
sahilmgandhi 18:6a4db94011d3 59 #define portNVIC_SYSTICK_CTRL_REG ( * ( ( volatile unsigned long * ) 0xe000e010 ) )
sahilmgandhi 18:6a4db94011d3 60 #define portNVIC_SYSTICK_LOAD_REG ( * ( ( volatile unsigned long * ) 0xe000e014 ) )
sahilmgandhi 18:6a4db94011d3 61 #define portNVIC_SYSTICK_CURRENT_VALUE_REG ( * ( ( volatile unsigned long * ) 0xe000e018 ) )
sahilmgandhi 18:6a4db94011d3 62 #define portNVIC_INT_CTRL_REG ( * ( ( volatile unsigned long * ) 0xe000ed04 ) )
sahilmgandhi 18:6a4db94011d3 63 #define portNVIC_SYSPRI2_REG ( * ( ( volatile unsigned long * ) 0xe000ed20 ) )
sahilmgandhi 18:6a4db94011d3 64
sahilmgandhi 18:6a4db94011d3 65 /* ...then bits in the registers. */
sahilmgandhi 18:6a4db94011d3 66 #define portNVIC_SYSTICK_CLK_BIT ( 1UL << 2UL )
sahilmgandhi 18:6a4db94011d3 67 #define portNVIC_SYSTICK_INT_BIT ( 1UL << 1UL )
sahilmgandhi 18:6a4db94011d3 68 #define portNVIC_SYSTICK_ENABLE_BIT ( 1UL << 0UL )
sahilmgandhi 18:6a4db94011d3 69 #define portNVIC_SYSTICK_COUNT_FLAG_BIT ( 1UL << 16UL )
sahilmgandhi 18:6a4db94011d3 70
sahilmgandhi 18:6a4db94011d3 71 /* Orion has 4 interrupt priority bits
sahilmgandhi 18:6a4db94011d3 72 */
sahilmgandhi 18:6a4db94011d3 73 #define portNVIC_SYSTICK_PRI ( ( ( unsigned long ) configKERNEL_INTERRUPT_PRIORITY ) << 24 )
sahilmgandhi 18:6a4db94011d3 74
sahilmgandhi 18:6a4db94011d3 75 /* API definitions */
sahilmgandhi 18:6a4db94011d3 76 void fSysTickInit(void);
sahilmgandhi 18:6a4db94011d3 77
sahilmgandhi 18:6a4db94011d3 78 void fSysTickHandler(void);
sahilmgandhi 18:6a4db94011d3 79
sahilmgandhi 18:6a4db94011d3 80 uint32_t fSysTickRead(void);
sahilmgandhi 18:6a4db94011d3 81
sahilmgandhi 18:6a4db94011d3 82 void fSysTickEnableInterrupt (void);
sahilmgandhi 18:6a4db94011d3 83
sahilmgandhi 18:6a4db94011d3 84 void fSysTickDisableInterrupt (void);
sahilmgandhi 18:6a4db94011d3 85 #endif // TICKER_H_