MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_RENESAS/TARGET_RZ_A1H/device/nvic_wrapper.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 /*******************************************************************************
sahilmgandhi 18:6a4db94011d3 2 * DISCLAIMER
sahilmgandhi 18:6a4db94011d3 3 * This software is supplied by Renesas Electronics Corporation and is only
sahilmgandhi 18:6a4db94011d3 4 * intended for use with Renesas products. No other uses are authorized. This
sahilmgandhi 18:6a4db94011d3 5 * software is owned by Renesas Electronics Corporation and is protected under
sahilmgandhi 18:6a4db94011d3 6 * all applicable laws, including copyright laws.
sahilmgandhi 18:6a4db94011d3 7 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
sahilmgandhi 18:6a4db94011d3 8 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
sahilmgandhi 18:6a4db94011d3 9 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
sahilmgandhi 18:6a4db94011d3 10 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
sahilmgandhi 18:6a4db94011d3 11 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
sahilmgandhi 18:6a4db94011d3 12 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
sahilmgandhi 18:6a4db94011d3 13 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
sahilmgandhi 18:6a4db94011d3 14 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
sahilmgandhi 18:6a4db94011d3 15 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
sahilmgandhi 18:6a4db94011d3 16 * Renesas reserves the right, without notice, to make changes to this software
sahilmgandhi 18:6a4db94011d3 17 * and to discontinue the availability of this software. By using this software,
sahilmgandhi 18:6a4db94011d3 18 * you agree to the additional terms and conditions found by accessing the
sahilmgandhi 18:6a4db94011d3 19 * following link:
sahilmgandhi 18:6a4db94011d3 20 * http://www.renesas.com/disclaimer
sahilmgandhi 18:6a4db94011d3 21 * Copyright (C) 2012 - 2015 Renesas Electronics Corporation. All rights reserved.
sahilmgandhi 18:6a4db94011d3 22 *******************************************************************************/
sahilmgandhi 18:6a4db94011d3 23 /**************************************************************************//**
sahilmgandhi 18:6a4db94011d3 24 * @file nvic_wrapper.c
sahilmgandhi 18:6a4db94011d3 25 * $Rev: $
sahilmgandhi 18:6a4db94011d3 26 * $Date:: $
sahilmgandhi 18:6a4db94011d3 27 * @brief Wrapper between NVIC(for Cortex-M) and GIC(for Cortex-A9)
sahilmgandhi 18:6a4db94011d3 28 ******************************************************************************/
sahilmgandhi 18:6a4db94011d3 29
sahilmgandhi 18:6a4db94011d3 30 /******************************************************************************
sahilmgandhi 18:6a4db94011d3 31 Includes <System Includes> , "Project Includes"
sahilmgandhi 18:6a4db94011d3 32 ******************************************************************************/
sahilmgandhi 18:6a4db94011d3 33 #include "MBRZA1H.h"
sahilmgandhi 18:6a4db94011d3 34 #include "wdt_iodefine.h"
sahilmgandhi 18:6a4db94011d3 35 #include "nvic_wrapper.h"
sahilmgandhi 18:6a4db94011d3 36 #include "gic.h"
sahilmgandhi 18:6a4db94011d3 37
sahilmgandhi 18:6a4db94011d3 38 /******************************************************************************
sahilmgandhi 18:6a4db94011d3 39 Typedef definitions
sahilmgandhi 18:6a4db94011d3 40 ******************************************************************************/
sahilmgandhi 18:6a4db94011d3 41
sahilmgandhi 18:6a4db94011d3 42 /******************************************************************************
sahilmgandhi 18:6a4db94011d3 43 Macro definitions
sahilmgandhi 18:6a4db94011d3 44 ******************************************************************************/
sahilmgandhi 18:6a4db94011d3 45 #define PRIO_BITS (7) /* Set binary point to 0 in gic.c */
sahilmgandhi 18:6a4db94011d3 46 #define WDT_WTCNT_WRITE (0x5A00)
sahilmgandhi 18:6a4db94011d3 47 #define WDT_WTCSR_WRITE (0xA500)
sahilmgandhi 18:6a4db94011d3 48 #define WDT_WRCSR_WOVF_WRITE (0xA500)
sahilmgandhi 18:6a4db94011d3 49 #define WDT_WRCSR_RSTE_WRITE (0x5A00)
sahilmgandhi 18:6a4db94011d3 50
sahilmgandhi 18:6a4db94011d3 51 /******************************************************************************
sahilmgandhi 18:6a4db94011d3 52 Imported global variables and functions (from other files)
sahilmgandhi 18:6a4db94011d3 53 ******************************************************************************/
sahilmgandhi 18:6a4db94011d3 54
sahilmgandhi 18:6a4db94011d3 55 /******************************************************************************
sahilmgandhi 18:6a4db94011d3 56 Exported global variables and functions (to be accessed by other files)
sahilmgandhi 18:6a4db94011d3 57 ******************************************************************************/
sahilmgandhi 18:6a4db94011d3 58
sahilmgandhi 18:6a4db94011d3 59 /******************************************************************************
sahilmgandhi 18:6a4db94011d3 60 Private global variables and functions
sahilmgandhi 18:6a4db94011d3 61 ******************************************************************************/
sahilmgandhi 18:6a4db94011d3 62
sahilmgandhi 18:6a4db94011d3 63
sahilmgandhi 18:6a4db94011d3 64
sahilmgandhi 18:6a4db94011d3 65 /* ########################## NVIC functions #################################### */
sahilmgandhi 18:6a4db94011d3 66 void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
sahilmgandhi 18:6a4db94011d3 67 {
sahilmgandhi 18:6a4db94011d3 68 GIC_SetBinaryPoint(PriorityGroup);
sahilmgandhi 18:6a4db94011d3 69 }
sahilmgandhi 18:6a4db94011d3 70
sahilmgandhi 18:6a4db94011d3 71
sahilmgandhi 18:6a4db94011d3 72 uint32_t NVIC_GetPriorityGrouping(void)
sahilmgandhi 18:6a4db94011d3 73 {
sahilmgandhi 18:6a4db94011d3 74 return GIC_GetBinaryPoint(0);
sahilmgandhi 18:6a4db94011d3 75 }
sahilmgandhi 18:6a4db94011d3 76
sahilmgandhi 18:6a4db94011d3 77
sahilmgandhi 18:6a4db94011d3 78 void NVIC_EnableIRQ(IRQn_Type IRQn)
sahilmgandhi 18:6a4db94011d3 79 {
sahilmgandhi 18:6a4db94011d3 80 GIC_EnableIRQ(IRQn);
sahilmgandhi 18:6a4db94011d3 81 }
sahilmgandhi 18:6a4db94011d3 82
sahilmgandhi 18:6a4db94011d3 83
sahilmgandhi 18:6a4db94011d3 84 void NVIC_DisableIRQ(IRQn_Type IRQn)
sahilmgandhi 18:6a4db94011d3 85 {
sahilmgandhi 18:6a4db94011d3 86 GIC_DisableIRQ(IRQn);
sahilmgandhi 18:6a4db94011d3 87 }
sahilmgandhi 18:6a4db94011d3 88
sahilmgandhi 18:6a4db94011d3 89
sahilmgandhi 18:6a4db94011d3 90 uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
sahilmgandhi 18:6a4db94011d3 91 {
sahilmgandhi 18:6a4db94011d3 92 uint32_t pending;
sahilmgandhi 18:6a4db94011d3 93
sahilmgandhi 18:6a4db94011d3 94 pending = GIC_GetIRQStatus(IRQn);
sahilmgandhi 18:6a4db94011d3 95 pending = (pending & 0x00000001);
sahilmgandhi 18:6a4db94011d3 96
sahilmgandhi 18:6a4db94011d3 97 return pending;
sahilmgandhi 18:6a4db94011d3 98 }
sahilmgandhi 18:6a4db94011d3 99
sahilmgandhi 18:6a4db94011d3 100
sahilmgandhi 18:6a4db94011d3 101 void NVIC_SetPendingIRQ(IRQn_Type IRQn)
sahilmgandhi 18:6a4db94011d3 102 {
sahilmgandhi 18:6a4db94011d3 103 GIC_SetPendingIRQ(IRQn);
sahilmgandhi 18:6a4db94011d3 104 }
sahilmgandhi 18:6a4db94011d3 105
sahilmgandhi 18:6a4db94011d3 106
sahilmgandhi 18:6a4db94011d3 107 void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
sahilmgandhi 18:6a4db94011d3 108 {
sahilmgandhi 18:6a4db94011d3 109 GIC_ClearPendingIRQ(IRQn);
sahilmgandhi 18:6a4db94011d3 110 }
sahilmgandhi 18:6a4db94011d3 111
sahilmgandhi 18:6a4db94011d3 112
sahilmgandhi 18:6a4db94011d3 113 uint32_t NVIC_GetActive(IRQn_Type IRQn)
sahilmgandhi 18:6a4db94011d3 114 {
sahilmgandhi 18:6a4db94011d3 115 uint32_t active;
sahilmgandhi 18:6a4db94011d3 116
sahilmgandhi 18:6a4db94011d3 117 active = GIC_GetIRQStatus(IRQn);
sahilmgandhi 18:6a4db94011d3 118 active = ((active >> 1) & 0x00000001);
sahilmgandhi 18:6a4db94011d3 119
sahilmgandhi 18:6a4db94011d3 120 return active;
sahilmgandhi 18:6a4db94011d3 121 }
sahilmgandhi 18:6a4db94011d3 122
sahilmgandhi 18:6a4db94011d3 123
sahilmgandhi 18:6a4db94011d3 124 void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
sahilmgandhi 18:6a4db94011d3 125 {
sahilmgandhi 18:6a4db94011d3 126 GIC_SetPriority(IRQn, (priority << 3));
sahilmgandhi 18:6a4db94011d3 127 }
sahilmgandhi 18:6a4db94011d3 128
sahilmgandhi 18:6a4db94011d3 129
sahilmgandhi 18:6a4db94011d3 130 uint32_t NVIC_GetPriority(IRQn_Type IRQn)
sahilmgandhi 18:6a4db94011d3 131 {
sahilmgandhi 18:6a4db94011d3 132 uint32_t priority_field;
sahilmgandhi 18:6a4db94011d3 133
sahilmgandhi 18:6a4db94011d3 134 priority_field = GIC_GetPriority(IRQn);
sahilmgandhi 18:6a4db94011d3 135 priority_field = (priority_field >> 3);
sahilmgandhi 18:6a4db94011d3 136 return priority_field;
sahilmgandhi 18:6a4db94011d3 137 }
sahilmgandhi 18:6a4db94011d3 138
sahilmgandhi 18:6a4db94011d3 139
sahilmgandhi 18:6a4db94011d3 140 uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority)
sahilmgandhi 18:6a4db94011d3 141 {
sahilmgandhi 18:6a4db94011d3 142 uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */
sahilmgandhi 18:6a4db94011d3 143 uint32_t PreemptPriorityBits;
sahilmgandhi 18:6a4db94011d3 144 uint32_t SubPriorityBits;
sahilmgandhi 18:6a4db94011d3 145
sahilmgandhi 18:6a4db94011d3 146 PreemptPriorityBits = ((7 - PriorityGroupTmp) > PRIO_BITS) ? PRIO_BITS : 7 - PriorityGroupTmp;
sahilmgandhi 18:6a4db94011d3 147 SubPriorityBits = ((PriorityGroupTmp + PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + PRIO_BITS;
sahilmgandhi 18:6a4db94011d3 148
sahilmgandhi 18:6a4db94011d3 149 return (
sahilmgandhi 18:6a4db94011d3 150 ((PreemptPriority & ((1 << (PreemptPriorityBits)) - 1)) << SubPriorityBits) |
sahilmgandhi 18:6a4db94011d3 151 ((SubPriority & ((1 << (SubPriorityBits )) - 1)))
sahilmgandhi 18:6a4db94011d3 152 );
sahilmgandhi 18:6a4db94011d3 153 }
sahilmgandhi 18:6a4db94011d3 154
sahilmgandhi 18:6a4db94011d3 155
sahilmgandhi 18:6a4db94011d3 156 void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority)
sahilmgandhi 18:6a4db94011d3 157 {
sahilmgandhi 18:6a4db94011d3 158 uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */
sahilmgandhi 18:6a4db94011d3 159 uint32_t PreemptPriorityBits;
sahilmgandhi 18:6a4db94011d3 160 uint32_t SubPriorityBits;
sahilmgandhi 18:6a4db94011d3 161
sahilmgandhi 18:6a4db94011d3 162 PreemptPriorityBits = ((7 - PriorityGroupTmp) > PRIO_BITS) ? PRIO_BITS : 7 - PriorityGroupTmp;
sahilmgandhi 18:6a4db94011d3 163 SubPriorityBits = ((PriorityGroupTmp + PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + PRIO_BITS;
sahilmgandhi 18:6a4db94011d3 164
sahilmgandhi 18:6a4db94011d3 165 *pPreemptPriority = (Priority >> SubPriorityBits) & ((1 << (PreemptPriorityBits)) - 1);
sahilmgandhi 18:6a4db94011d3 166 *pSubPriority = (Priority ) & ((1 << (SubPriorityBits )) - 1);
sahilmgandhi 18:6a4db94011d3 167 }
sahilmgandhi 18:6a4db94011d3 168
sahilmgandhi 18:6a4db94011d3 169 void NVIC_SystemReset(void)
sahilmgandhi 18:6a4db94011d3 170 {
sahilmgandhi 18:6a4db94011d3 171 uint16_t reg;
sahilmgandhi 18:6a4db94011d3 172 uint8_t dummy_read;
sahilmgandhi 18:6a4db94011d3 173 /* Use Watch Dog Timer to system reset */
sahilmgandhi 18:6a4db94011d3 174
sahilmgandhi 18:6a4db94011d3 175 /* Set WT/IT bit of WTCSR to 1 = Watch Dog */
sahilmgandhi 18:6a4db94011d3 176 /* CLK = 000, 1xP0phi(=33.3333MHz) = 7.7us */
sahilmgandhi 18:6a4db94011d3 177 reg = (WDT_WTCSR_WRITE | 0x0058);
sahilmgandhi 18:6a4db94011d3 178 WDTWTCSR = reg;
sahilmgandhi 18:6a4db94011d3 179
sahilmgandhi 18:6a4db94011d3 180 /* Clear Count reg */
sahilmgandhi 18:6a4db94011d3 181 reg = (WDT_WTCNT_WRITE | 0x0000);
sahilmgandhi 18:6a4db94011d3 182 WDTWTCNT = reg;
sahilmgandhi 18:6a4db94011d3 183
sahilmgandhi 18:6a4db94011d3 184 /* Clear WOVF flag */
sahilmgandhi 18:6a4db94011d3 185 dummy_read = WDTWRCSR;
sahilmgandhi 18:6a4db94011d3 186 reg = (WDT_WRCSR_WOVF_WRITE | (dummy_read & 0x0000));
sahilmgandhi 18:6a4db94011d3 187 WDTWRCSR = reg;
sahilmgandhi 18:6a4db94011d3 188 /* Enable Internal Reset */
sahilmgandhi 18:6a4db94011d3 189 reg = (WDT_WRCSR_RSTE_WRITE | 0x005F);
sahilmgandhi 18:6a4db94011d3 190 WDTWRCSR = reg;
sahilmgandhi 18:6a4db94011d3 191
sahilmgandhi 18:6a4db94011d3 192 /* Watch Dog start */
sahilmgandhi 18:6a4db94011d3 193 reg = (WDT_WTCSR_WRITE | 0x0078);
sahilmgandhi 18:6a4db94011d3 194 WDTWTCSR = reg;
sahilmgandhi 18:6a4db94011d3 195
sahilmgandhi 18:6a4db94011d3 196 while(1); /* wait Internal Reset */
sahilmgandhi 18:6a4db94011d3 197 }
sahilmgandhi 18:6a4db94011d3 198
sahilmgandhi 18:6a4db94011d3 199 /* ################################## SysTick function ############################################ */
sahilmgandhi 18:6a4db94011d3 200 uint32_t SysTick_Config(uint32_t ticks)
sahilmgandhi 18:6a4db94011d3 201 {
sahilmgandhi 18:6a4db94011d3 202 /* Not support this function */
sahilmgandhi 18:6a4db94011d3 203 /* Use mbed Ticker */
sahilmgandhi 18:6a4db94011d3 204 return (1); /* impossible */
sahilmgandhi 18:6a4db94011d3 205 }
sahilmgandhi 18:6a4db94011d3 206
sahilmgandhi 18:6a4db94011d3 207
sahilmgandhi 18:6a4db94011d3 208 /* ##################################### Debug In/Output function ########################################### */
sahilmgandhi 18:6a4db94011d3 209 uint32_t ITM_SendChar (uint32_t ch)
sahilmgandhi 18:6a4db94011d3 210 {
sahilmgandhi 18:6a4db94011d3 211 /* Not support this function */
sahilmgandhi 18:6a4db94011d3 212 /* Use mbed Serial */
sahilmgandhi 18:6a4db94011d3 213 return (ch);
sahilmgandhi 18:6a4db94011d3 214 }
sahilmgandhi 18:6a4db94011d3 215
sahilmgandhi 18:6a4db94011d3 216
sahilmgandhi 18:6a4db94011d3 217 int32_t ITM_ReceiveChar (void) {
sahilmgandhi 18:6a4db94011d3 218 /* Not support this function */
sahilmgandhi 18:6a4db94011d3 219 /* Use mbed Serial */
sahilmgandhi 18:6a4db94011d3 220 return (-1); /* no character available */
sahilmgandhi 18:6a4db94011d3 221 }
sahilmgandhi 18:6a4db94011d3 222
sahilmgandhi 18:6a4db94011d3 223
sahilmgandhi 18:6a4db94011d3 224 int32_t ITM_CheckChar (void) {
sahilmgandhi 18:6a4db94011d3 225 /* Not support this function */
sahilmgandhi 18:6a4db94011d3 226 /* Use mbed Serial */
sahilmgandhi 18:6a4db94011d3 227 return (0); /* no character available */
sahilmgandhi 18:6a4db94011d3 228 }
sahilmgandhi 18:6a4db94011d3 229