Zakaria ElQotbi / mbed-src

mbed library sources for airmote

Fork of mbed-src by mbed official

targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/nvic_wrapper.c@625:88d3fa07e462, 2015-11-24 (annotated)

Committer:
zskdan
Date:
Tue Nov 24 14:02:46 2015 +0000
Revision:
625:88d3fa07e462
Parent:
500:04797f1feae2 
remove unused service

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 500:04797f1feae2 1 /*******************************************************************************
mbed_official 500:04797f1feae2 2 * DISCLAIMER
mbed_official 500:04797f1feae2 3 * This software is supplied by Renesas Electronics Corporation and is only
mbed_official 500:04797f1feae2 4 * intended for use with Renesas products. No other uses are authorized. This
mbed_official 500:04797f1feae2 5 * software is owned by Renesas Electronics Corporation and is protected under
mbed_official 500:04797f1feae2 6 * all applicable laws, including copyright laws.
mbed_official 500:04797f1feae2 7 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
mbed_official 500:04797f1feae2 8 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
mbed_official 500:04797f1feae2 9 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
mbed_official 500:04797f1feae2 10 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
mbed_official 500:04797f1feae2 11 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
mbed_official 500:04797f1feae2 12 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
mbed_official 500:04797f1feae2 13 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
mbed_official 500:04797f1feae2 14 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
mbed_official 500:04797f1feae2 15 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
mbed_official 500:04797f1feae2 16 * Renesas reserves the right, without notice, to make changes to this software
mbed_official 500:04797f1feae2 17 * and to discontinue the availability of this software. By using this software,
mbed_official 500:04797f1feae2 18 * you agree to the additional terms and conditions found by accessing the
mbed_official 500:04797f1feae2 19 * following link:
mbed_official 500:04797f1feae2 20 * http://www.renesas.com/disclaimer
mbed_official 500:04797f1feae2 21 * Copyright (C) 2012 - 2015 Renesas Electronics Corporation. All rights reserved.
mbed_official 500:04797f1feae2 22 *******************************************************************************/
mbed_official 500:04797f1feae2 23 /**************************************************************************//**
mbed_official 500:04797f1feae2 24 * @file nvic_wrapper.c
mbed_official 500:04797f1feae2 25 * $Rev: $
mbed_official 500:04797f1feae2 26 * $Date:: $
mbed_official 500:04797f1feae2 27 * @brief Wrapper between NVIC(for Cortex-M) and GIC(for Cortex-A9)
mbed_official 500:04797f1feae2 28 ******************************************************************************/
mbed_official 500:04797f1feae2 29
mbed_official 500:04797f1feae2 30 /******************************************************************************
mbed_official 500:04797f1feae2 31 Includes <System Includes> , "Project Includes"
mbed_official 500:04797f1feae2 32 ******************************************************************************/
mbed_official 500:04797f1feae2 33 #include "MBRZA1H.h"
mbed_official 500:04797f1feae2 34 #include "wdt_iodefine.h"
mbed_official 500:04797f1feae2 35 #include "nvic_wrapper.h"
mbed_official 500:04797f1feae2 36 #include "gic.h"
mbed_official 500:04797f1feae2 37
mbed_official 500:04797f1feae2 38 /******************************************************************************
mbed_official 500:04797f1feae2 39 Typedef definitions
mbed_official 500:04797f1feae2 40 ******************************************************************************/
mbed_official 500:04797f1feae2 41
mbed_official 500:04797f1feae2 42 /******************************************************************************
mbed_official 500:04797f1feae2 43 Macro definitions
mbed_official 500:04797f1feae2 44 ******************************************************************************/
mbed_official 500:04797f1feae2 45 #define PRIO_BITS (7) /* Set binary point to 0 in gic.c */
mbed_official 500:04797f1feae2 46 #define WDT_WTCNT_WRITE (0x5A00)
mbed_official 500:04797f1feae2 47 #define WDT_WTCSR_WRITE (0xA500)
mbed_official 500:04797f1feae2 48 #define WDT_WRCSR_WOVF_WRITE (0xA500)
mbed_official 500:04797f1feae2 49 #define WDT_WRCSR_RSTE_WRITE (0x5A00)
mbed_official 500:04797f1feae2 50
mbed_official 500:04797f1feae2 51 /******************************************************************************
mbed_official 500:04797f1feae2 52 Imported global variables and functions (from other files)
mbed_official 500:04797f1feae2 53 ******************************************************************************/
mbed_official 500:04797f1feae2 54
mbed_official 500:04797f1feae2 55 /******************************************************************************
mbed_official 500:04797f1feae2 56 Exported global variables and functions (to be accessed by other files)
mbed_official 500:04797f1feae2 57 ******************************************************************************/
mbed_official 500:04797f1feae2 58
mbed_official 500:04797f1feae2 59 /******************************************************************************
mbed_official 500:04797f1feae2 60 Private global variables and functions
mbed_official 500:04797f1feae2 61 ******************************************************************************/
mbed_official 500:04797f1feae2 62
mbed_official 500:04797f1feae2 63
mbed_official 500:04797f1feae2 64
mbed_official 500:04797f1feae2 65 /* ########################## NVIC functions #################################### */
mbed_official 500:04797f1feae2 66 void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
mbed_official 500:04797f1feae2 67 {
mbed_official 500:04797f1feae2 68 GIC_SetBinaryPoint(PriorityGroup);
mbed_official 500:04797f1feae2 69 }
mbed_official 500:04797f1feae2 70
mbed_official 500:04797f1feae2 71
mbed_official 500:04797f1feae2 72 uint32_t NVIC_GetPriorityGrouping(void)
mbed_official 500:04797f1feae2 73 {
mbed_official 500:04797f1feae2 74 return GIC_GetBinaryPoint(0);
mbed_official 500:04797f1feae2 75 }
mbed_official 500:04797f1feae2 76
mbed_official 500:04797f1feae2 77
mbed_official 500:04797f1feae2 78 void NVIC_EnableIRQ(IRQn_Type IRQn)
mbed_official 500:04797f1feae2 79 {
mbed_official 500:04797f1feae2 80 GIC_EnableIRQ(IRQn);
mbed_official 500:04797f1feae2 81 }
mbed_official 500:04797f1feae2 82
mbed_official 500:04797f1feae2 83
mbed_official 500:04797f1feae2 84 void NVIC_DisableIRQ(IRQn_Type IRQn)
mbed_official 500:04797f1feae2 85 {
mbed_official 500:04797f1feae2 86 GIC_DisableIRQ(IRQn);
mbed_official 500:04797f1feae2 87 }
mbed_official 500:04797f1feae2 88
mbed_official 500:04797f1feae2 89
mbed_official 500:04797f1feae2 90 uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
mbed_official 500:04797f1feae2 91 {
mbed_official 500:04797f1feae2 92 uint32_t pending;
mbed_official 500:04797f1feae2 93
mbed_official 500:04797f1feae2 94 pending = GIC_GetIRQStatus(IRQn);
mbed_official 500:04797f1feae2 95 pending = (pending & 0x00000001);
mbed_official 500:04797f1feae2 96
mbed_official 500:04797f1feae2 97 return pending;
mbed_official 500:04797f1feae2 98 }
mbed_official 500:04797f1feae2 99
mbed_official 500:04797f1feae2 100
mbed_official 500:04797f1feae2 101 void NVIC_SetPendingIRQ(IRQn_Type IRQn)
mbed_official 500:04797f1feae2 102 {
mbed_official 500:04797f1feae2 103 GIC_SetPendingIRQ(IRQn);
mbed_official 500:04797f1feae2 104 }
mbed_official 500:04797f1feae2 105
mbed_official 500:04797f1feae2 106
mbed_official 500:04797f1feae2 107 void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
mbed_official 500:04797f1feae2 108 {
mbed_official 500:04797f1feae2 109 GIC_ClearPendingIRQ(IRQn);
mbed_official 500:04797f1feae2 110 }
mbed_official 500:04797f1feae2 111
mbed_official 500:04797f1feae2 112
mbed_official 500:04797f1feae2 113 uint32_t NVIC_GetActive(IRQn_Type IRQn)
mbed_official 500:04797f1feae2 114 {
mbed_official 500:04797f1feae2 115 uint32_t active;
mbed_official 500:04797f1feae2 116
mbed_official 500:04797f1feae2 117 active = GIC_GetIRQStatus(IRQn);
mbed_official 500:04797f1feae2 118 active = ((active >> 1) & 0x00000001);
mbed_official 500:04797f1feae2 119
mbed_official 500:04797f1feae2 120 return active;
mbed_official 500:04797f1feae2 121 }
mbed_official 500:04797f1feae2 122
mbed_official 500:04797f1feae2 123
mbed_official 500:04797f1feae2 124 void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
mbed_official 500:04797f1feae2 125 {
mbed_official 500:04797f1feae2 126 GIC_SetPriority(IRQn, (priority << 3));
mbed_official 500:04797f1feae2 127 }
mbed_official 500:04797f1feae2 128
mbed_official 500:04797f1feae2 129
mbed_official 500:04797f1feae2 130 uint32_t NVIC_GetPriority(IRQn_Type IRQn)
mbed_official 500:04797f1feae2 131 {
mbed_official 500:04797f1feae2 132 uint32_t priority_field;
mbed_official 500:04797f1feae2 133
mbed_official 500:04797f1feae2 134 priority_field = GIC_GetPriority(IRQn);
mbed_official 500:04797f1feae2 135 priority_field = (priority_field >> 3);
mbed_official 500:04797f1feae2 136 return priority_field;
mbed_official 500:04797f1feae2 137 }
mbed_official 500:04797f1feae2 138
mbed_official 500:04797f1feae2 139
mbed_official 500:04797f1feae2 140 uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority)
mbed_official 500:04797f1feae2 141 {
mbed_official 500:04797f1feae2 142 uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */
mbed_official 500:04797f1feae2 143 uint32_t PreemptPriorityBits;
mbed_official 500:04797f1feae2 144 uint32_t SubPriorityBits;
mbed_official 500:04797f1feae2 145
mbed_official 500:04797f1feae2 146 PreemptPriorityBits = ((7 - PriorityGroupTmp) > PRIO_BITS) ? PRIO_BITS : 7 - PriorityGroupTmp;
mbed_official 500:04797f1feae2 147 SubPriorityBits = ((PriorityGroupTmp + PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + PRIO_BITS;
mbed_official 500:04797f1feae2 148
mbed_official 500:04797f1feae2 149 return (
mbed_official 500:04797f1feae2 150 ((PreemptPriority & ((1 << (PreemptPriorityBits)) - 1)) << SubPriorityBits) |
mbed_official 500:04797f1feae2 151 ((SubPriority & ((1 << (SubPriorityBits )) - 1)))
mbed_official 500:04797f1feae2 152 );
mbed_official 500:04797f1feae2 153 }
mbed_official 500:04797f1feae2 154
mbed_official 500:04797f1feae2 155
mbed_official 500:04797f1feae2 156 void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority)
mbed_official 500:04797f1feae2 157 {
mbed_official 500:04797f1feae2 158 uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */
mbed_official 500:04797f1feae2 159 uint32_t PreemptPriorityBits;
mbed_official 500:04797f1feae2 160 uint32_t SubPriorityBits;
mbed_official 500:04797f1feae2 161
mbed_official 500:04797f1feae2 162 PreemptPriorityBits = ((7 - PriorityGroupTmp) > PRIO_BITS) ? PRIO_BITS : 7 - PriorityGroupTmp;
mbed_official 500:04797f1feae2 163 SubPriorityBits = ((PriorityGroupTmp + PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + PRIO_BITS;
mbed_official 500:04797f1feae2 164
mbed_official 500:04797f1feae2 165 *pPreemptPriority = (Priority >> SubPriorityBits) & ((1 << (PreemptPriorityBits)) - 1);
mbed_official 500:04797f1feae2 166 *pSubPriority = (Priority ) & ((1 << (SubPriorityBits )) - 1);
mbed_official 500:04797f1feae2 167 }
mbed_official 500:04797f1feae2 168
mbed_official 500:04797f1feae2 169 void NVIC_SystemReset(void)
mbed_official 500:04797f1feae2 170 {
mbed_official 500:04797f1feae2 171 uint16_t reg;
mbed_official 500:04797f1feae2 172 uint8_t dummy_read;
mbed_official 500:04797f1feae2 173 /* Use Watch Dog Timer to system reset */
mbed_official 500:04797f1feae2 174
mbed_official 500:04797f1feae2 175 /* Set WT/IT bit of WTCSR to 1 = Watch Dog */
mbed_official 500:04797f1feae2 176 /* CLK = 000, 1xP0phi(=33.3333MHz) = 7.7us */
mbed_official 500:04797f1feae2 177 reg = (WDT_WTCSR_WRITE | 0x0058);
mbed_official 500:04797f1feae2 178 WDTWTCSR = reg;
mbed_official 500:04797f1feae2 179
mbed_official 500:04797f1feae2 180 /* Clear Count reg */
mbed_official 500:04797f1feae2 181 reg = (WDT_WTCNT_WRITE | 0x0000);
mbed_official 500:04797f1feae2 182 WDTWTCNT = reg;
mbed_official 500:04797f1feae2 183
mbed_official 500:04797f1feae2 184 /* Clear WOVF flag */
mbed_official 500:04797f1feae2 185 dummy_read = WDTWRCSR;
mbed_official 500:04797f1feae2 186 reg = (WDT_WRCSR_WOVF_WRITE | (dummy_read & 0x0000));
mbed_official 500:04797f1feae2 187 WDTWRCSR = reg;
mbed_official 500:04797f1feae2 188 /* Enable Internal Reset */
mbed_official 500:04797f1feae2 189 reg = (WDT_WRCSR_RSTE_WRITE | 0x005F);
mbed_official 500:04797f1feae2 190 WDTWRCSR = reg;
mbed_official 500:04797f1feae2 191
mbed_official 500:04797f1feae2 192 /* Watch Dog start */
mbed_official 500:04797f1feae2 193 reg = (WDT_WTCSR_WRITE | 0x0078);
mbed_official 500:04797f1feae2 194 WDTWTCSR = reg;
mbed_official 500:04797f1feae2 195
mbed_official 500:04797f1feae2 196 while(1); /* wait Internal Reset */
mbed_official 500:04797f1feae2 197 }
mbed_official 500:04797f1feae2 198
mbed_official 500:04797f1feae2 199 /* ################################## SysTick function ############################################ */
mbed_official 500:04797f1feae2 200 uint32_t SysTick_Config(uint32_t ticks)
mbed_official 500:04797f1feae2 201 {
mbed_official 500:04797f1feae2 202 /* Not support this function */
mbed_official 500:04797f1feae2 203 /* Use mbed Ticker */
mbed_official 500:04797f1feae2 204 return (1); /* impossible */
mbed_official 500:04797f1feae2 205 }
mbed_official 500:04797f1feae2 206
mbed_official 500:04797f1feae2 207
mbed_official 500:04797f1feae2 208 /* ##################################### Debug In/Output function ########################################### */
mbed_official 500:04797f1feae2 209 uint32_t ITM_SendChar (uint32_t ch)
mbed_official 500:04797f1feae2 210 {
mbed_official 500:04797f1feae2 211 /* Not support this function */
mbed_official 500:04797f1feae2 212 /* Use mbed Serial */
mbed_official 500:04797f1feae2 213 return (ch);
mbed_official 500:04797f1feae2 214 }
mbed_official 500:04797f1feae2 215
mbed_official 500:04797f1feae2 216
mbed_official 500:04797f1feae2 217 int32_t ITM_ReceiveChar (void) {
mbed_official 500:04797f1feae2 218 /* Not support this function */
mbed_official 500:04797f1feae2 219 /* Use mbed Serial */
mbed_official 500:04797f1feae2 220 return (-1); /* no character available */
mbed_official 500:04797f1feae2 221 }
mbed_official 500:04797f1feae2 222
mbed_official 500:04797f1feae2 223
mbed_official 500:04797f1feae2 224 int32_t ITM_CheckChar (void) {
mbed_official 500:04797f1feae2 225 /* Not support this function */
mbed_official 500:04797f1feae2 226 /* Use mbed Serial */
mbed_official 500:04797f1feae2 227 return (0); /* no character available */
mbed_official 500:04797f1feae2 228 }
mbed_official 500:04797f1feae2 229