mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_RENESAS/TARGET_RZ_A1XX/TARGET_VK_RZ_A1H/device/nvic_wrapper.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
184:08ed48f1de7f 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 119:3921aeca8633 1 /*******************************************************************************
mbed_official 119:3921aeca8633 2 * DISCLAIMER
mbed_official 119:3921aeca8633 3 * This software is supplied by Renesas Electronics Corporation and is only
mbed_official 119:3921aeca8633 4 * intended for use with Renesas products. No other uses are authorized. This
mbed_official 119:3921aeca8633 5 * software is owned by Renesas Electronics Corporation and is protected under
mbed_official 119:3921aeca8633 6 * all applicable laws, including copyright laws.
mbed_official 119:3921aeca8633 7 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
mbed_official 119:3921aeca8633 8 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
mbed_official 119:3921aeca8633 9 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
mbed_official 119:3921aeca8633 10 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
mbed_official 119:3921aeca8633 11 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
mbed_official 119:3921aeca8633 12 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
mbed_official 119:3921aeca8633 13 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
mbed_official 119:3921aeca8633 14 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
mbed_official 119:3921aeca8633 15 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
mbed_official 119:3921aeca8633 16 * Renesas reserves the right, without notice, to make changes to this software
mbed_official 119:3921aeca8633 17 * and to discontinue the availability of this software. By using this software,
mbed_official 119:3921aeca8633 18 * you agree to the additional terms and conditions found by accessing the
mbed_official 119:3921aeca8633 19 * following link:
mbed_official 119:3921aeca8633 20 * http://www.renesas.com/disclaimer
mbed_official 119:3921aeca8633 21 * Copyright (C) 2012 - 2015 Renesas Electronics Corporation. All rights reserved.
mbed_official 119:3921aeca8633 22 *******************************************************************************/
mbed_official 119:3921aeca8633 23 /**************************************************************************//**
mbed_official 119:3921aeca8633 24 * @file nvic_wrapper.c
mbed_official 119:3921aeca8633 25 * $Rev: $
mbed_official 119:3921aeca8633 26 * $Date:: $
mbed_official 119:3921aeca8633 27 * @brief Wrapper between NVIC(for Cortex-M) and GIC(for Cortex-A9)
mbed_official 119:3921aeca8633 28 ******************************************************************************/
mbed_official 119:3921aeca8633 29
mbed_official 119:3921aeca8633 30 /******************************************************************************
mbed_official 119:3921aeca8633 31 Includes <System Includes> , "Project Includes"
mbed_official 119:3921aeca8633 32 ******************************************************************************/
mbed_official 119:3921aeca8633 33 #include "VKRZA1H.h"
mbed_official 119:3921aeca8633 34 #include "wdt_iodefine.h"
mbed_official 119:3921aeca8633 35 #include "nvic_wrapper.h"
mbed_official 119:3921aeca8633 36
mbed_official 119:3921aeca8633 37 /******************************************************************************
mbed_official 119:3921aeca8633 38 Typedef definitions
mbed_official 119:3921aeca8633 39 ******************************************************************************/
mbed_official 119:3921aeca8633 40
mbed_official 119:3921aeca8633 41 /******************************************************************************
mbed_official 119:3921aeca8633 42 Macro definitions
mbed_official 119:3921aeca8633 43 ******************************************************************************/
mbed_official 119:3921aeca8633 44 #define PRIO_BITS (7) /* Set binary point to 0 in gic.c */
mbed_official 119:3921aeca8633 45 #define WDT_WTCNT_WRITE (0x5A00)
mbed_official 119:3921aeca8633 46 #define WDT_WTCSR_WRITE (0xA500)
mbed_official 119:3921aeca8633 47 #define WDT_WRCSR_WOVF_WRITE (0xA500)
mbed_official 119:3921aeca8633 48 #define WDT_WRCSR_RSTE_WRITE (0x5A00)
mbed_official 119:3921aeca8633 49
mbed_official 119:3921aeca8633 50 /******************************************************************************
mbed_official 119:3921aeca8633 51 Imported global variables and functions (from other files)
mbed_official 119:3921aeca8633 52 ******************************************************************************/
mbed_official 119:3921aeca8633 53
mbed_official 119:3921aeca8633 54 /******************************************************************************
mbed_official 119:3921aeca8633 55 Exported global variables and functions (to be accessed by other files)
mbed_official 119:3921aeca8633 56 ******************************************************************************/
mbed_official 119:3921aeca8633 57
mbed_official 119:3921aeca8633 58 /******************************************************************************
mbed_official 119:3921aeca8633 59 Private global variables and functions
mbed_official 119:3921aeca8633 60 ******************************************************************************/
mbed_official 119:3921aeca8633 61
mbed_official 119:3921aeca8633 62
mbed_official 119:3921aeca8633 63
mbed_official 119:3921aeca8633 64 /* ########################## NVIC functions #################################### */
mbed_official 119:3921aeca8633 65 void NVIC_SetPriorityGrouping(uint32_t PriorityGroup)
mbed_official 119:3921aeca8633 66 {
mbed_official 119:3921aeca8633 67 GIC_SetBinaryPoint(PriorityGroup);
mbed_official 119:3921aeca8633 68 }
mbed_official 119:3921aeca8633 69
mbed_official 119:3921aeca8633 70
mbed_official 119:3921aeca8633 71 uint32_t NVIC_GetPriorityGrouping(void)
mbed_official 119:3921aeca8633 72 {
AnnaBridge 184:08ed48f1de7f 73 return GIC_GetBinaryPoint();
mbed_official 119:3921aeca8633 74 }
mbed_official 119:3921aeca8633 75
mbed_official 119:3921aeca8633 76
mbed_official 119:3921aeca8633 77 void NVIC_EnableIRQ(IRQn_Type IRQn)
mbed_official 119:3921aeca8633 78 {
mbed_official 119:3921aeca8633 79 GIC_EnableIRQ(IRQn);
mbed_official 119:3921aeca8633 80 }
mbed_official 119:3921aeca8633 81
mbed_official 119:3921aeca8633 82
mbed_official 119:3921aeca8633 83 void NVIC_DisableIRQ(IRQn_Type IRQn)
mbed_official 119:3921aeca8633 84 {
mbed_official 119:3921aeca8633 85 GIC_DisableIRQ(IRQn);
mbed_official 119:3921aeca8633 86 }
mbed_official 119:3921aeca8633 87
mbed_official 119:3921aeca8633 88
mbed_official 119:3921aeca8633 89 uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn)
mbed_official 119:3921aeca8633 90 {
mbed_official 119:3921aeca8633 91 uint32_t pending;
mbed_official 119:3921aeca8633 92
mbed_official 119:3921aeca8633 93 pending = GIC_GetIRQStatus(IRQn);
mbed_official 119:3921aeca8633 94 pending = (pending & 0x00000001);
mbed_official 119:3921aeca8633 95
mbed_official 119:3921aeca8633 96 return pending;
mbed_official 119:3921aeca8633 97 }
mbed_official 119:3921aeca8633 98
mbed_official 119:3921aeca8633 99
mbed_official 119:3921aeca8633 100 void NVIC_SetPendingIRQ(IRQn_Type IRQn)
mbed_official 119:3921aeca8633 101 {
mbed_official 119:3921aeca8633 102 GIC_SetPendingIRQ(IRQn);
mbed_official 119:3921aeca8633 103 }
mbed_official 119:3921aeca8633 104
mbed_official 119:3921aeca8633 105
mbed_official 119:3921aeca8633 106 void NVIC_ClearPendingIRQ(IRQn_Type IRQn)
mbed_official 119:3921aeca8633 107 {
mbed_official 119:3921aeca8633 108 GIC_ClearPendingIRQ(IRQn);
mbed_official 119:3921aeca8633 109 }
mbed_official 119:3921aeca8633 110
mbed_official 119:3921aeca8633 111
mbed_official 119:3921aeca8633 112 uint32_t NVIC_GetActive(IRQn_Type IRQn)
mbed_official 119:3921aeca8633 113 {
mbed_official 119:3921aeca8633 114 uint32_t active;
mbed_official 119:3921aeca8633 115
mbed_official 119:3921aeca8633 116 active = GIC_GetIRQStatus(IRQn);
mbed_official 119:3921aeca8633 117 active = ((active >> 1) & 0x00000001);
mbed_official 119:3921aeca8633 118
mbed_official 119:3921aeca8633 119 return active;
mbed_official 119:3921aeca8633 120 }
mbed_official 119:3921aeca8633 121
mbed_official 119:3921aeca8633 122
mbed_official 119:3921aeca8633 123 void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
mbed_official 119:3921aeca8633 124 {
mbed_official 119:3921aeca8633 125 GIC_SetPriority(IRQn, (priority << 3));
mbed_official 119:3921aeca8633 126 }
mbed_official 119:3921aeca8633 127
mbed_official 119:3921aeca8633 128
mbed_official 119:3921aeca8633 129 uint32_t NVIC_GetPriority(IRQn_Type IRQn)
mbed_official 119:3921aeca8633 130 {
mbed_official 119:3921aeca8633 131 uint32_t priority_field;
mbed_official 119:3921aeca8633 132
mbed_official 119:3921aeca8633 133 priority_field = GIC_GetPriority(IRQn);
mbed_official 119:3921aeca8633 134 priority_field = (priority_field >> 3);
mbed_official 119:3921aeca8633 135 return priority_field;
mbed_official 119:3921aeca8633 136 }
mbed_official 119:3921aeca8633 137
mbed_official 119:3921aeca8633 138
mbed_official 119:3921aeca8633 139 uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority)
mbed_official 119:3921aeca8633 140 {
mbed_official 119:3921aeca8633 141 uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */
mbed_official 119:3921aeca8633 142 uint32_t PreemptPriorityBits;
mbed_official 119:3921aeca8633 143 uint32_t SubPriorityBits;
mbed_official 119:3921aeca8633 144
mbed_official 119:3921aeca8633 145 PreemptPriorityBits = ((7 - PriorityGroupTmp) > PRIO_BITS) ? PRIO_BITS : 7 - PriorityGroupTmp;
mbed_official 119:3921aeca8633 146 SubPriorityBits = ((PriorityGroupTmp + PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + PRIO_BITS;
mbed_official 119:3921aeca8633 147
mbed_official 119:3921aeca8633 148 return (
mbed_official 119:3921aeca8633 149 ((PreemptPriority & ((1 << (PreemptPriorityBits)) - 1)) << SubPriorityBits) |
mbed_official 119:3921aeca8633 150 ((SubPriority & ((1 << (SubPriorityBits )) - 1)))
mbed_official 119:3921aeca8633 151 );
mbed_official 119:3921aeca8633 152 }
mbed_official 119:3921aeca8633 153
mbed_official 119:3921aeca8633 154
mbed_official 119:3921aeca8633 155 void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority)
mbed_official 119:3921aeca8633 156 {
mbed_official 119:3921aeca8633 157 uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */
mbed_official 119:3921aeca8633 158 uint32_t PreemptPriorityBits;
mbed_official 119:3921aeca8633 159 uint32_t SubPriorityBits;
mbed_official 119:3921aeca8633 160
mbed_official 119:3921aeca8633 161 PreemptPriorityBits = ((7 - PriorityGroupTmp) > PRIO_BITS) ? PRIO_BITS : 7 - PriorityGroupTmp;
mbed_official 119:3921aeca8633 162 SubPriorityBits = ((PriorityGroupTmp + PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + PRIO_BITS;
mbed_official 119:3921aeca8633 163
mbed_official 119:3921aeca8633 164 *pPreemptPriority = (Priority >> SubPriorityBits) & ((1 << (PreemptPriorityBits)) - 1);
mbed_official 119:3921aeca8633 165 *pSubPriority = (Priority ) & ((1 << (SubPriorityBits )) - 1);
mbed_official 119:3921aeca8633 166 }
mbed_official 119:3921aeca8633 167
mbed_official 119:3921aeca8633 168 void NVIC_SystemReset(void)
mbed_official 119:3921aeca8633 169 {
mbed_official 119:3921aeca8633 170 uint16_t reg;
mbed_official 119:3921aeca8633 171 uint8_t dummy_read;
mbed_official 119:3921aeca8633 172 /* Use Watch Dog Timer to system reset */
mbed_official 119:3921aeca8633 173
mbed_official 119:3921aeca8633 174 /* Set WT/IT bit of WTCSR to 1 = Watch Dog */
mbed_official 119:3921aeca8633 175 /* CLK = 000, 1xP0phi(=33.3333MHz) = 7.7us */
mbed_official 119:3921aeca8633 176 reg = (WDT_WTCSR_WRITE | 0x0058);
mbed_official 119:3921aeca8633 177 WDTWTCSR = reg;
mbed_official 119:3921aeca8633 178
mbed_official 119:3921aeca8633 179 /* Clear Count reg */
mbed_official 119:3921aeca8633 180 reg = (WDT_WTCNT_WRITE | 0x0000);
mbed_official 119:3921aeca8633 181 WDTWTCNT = reg;
mbed_official 119:3921aeca8633 182
mbed_official 119:3921aeca8633 183 /* Clear WOVF flag */
mbed_official 119:3921aeca8633 184 dummy_read = WDTWRCSR;
mbed_official 119:3921aeca8633 185 reg = (WDT_WRCSR_WOVF_WRITE | (dummy_read & 0x0000));
mbed_official 119:3921aeca8633 186 WDTWRCSR = reg;
mbed_official 119:3921aeca8633 187 /* Enable Internal Reset */
mbed_official 119:3921aeca8633 188 reg = (WDT_WRCSR_RSTE_WRITE | 0x005F);
mbed_official 119:3921aeca8633 189 WDTWRCSR = reg;
mbed_official 119:3921aeca8633 190
mbed_official 119:3921aeca8633 191 /* Watch Dog start */
mbed_official 119:3921aeca8633 192 reg = (WDT_WTCSR_WRITE | 0x0078);
mbed_official 119:3921aeca8633 193 WDTWTCSR = reg;
mbed_official 119:3921aeca8633 194
mbed_official 119:3921aeca8633 195 while(1); /* wait Internal Reset */
mbed_official 119:3921aeca8633 196 }
mbed_official 119:3921aeca8633 197
mbed_official 119:3921aeca8633 198 /* ################################## SysTick function ############################################ */
mbed_official 119:3921aeca8633 199 uint32_t SysTick_Config(uint32_t ticks)
mbed_official 119:3921aeca8633 200 {
mbed_official 119:3921aeca8633 201 /* Not support this function */
mbed_official 119:3921aeca8633 202 /* Use mbed Ticker */
mbed_official 119:3921aeca8633 203 return (1); /* impossible */
mbed_official 119:3921aeca8633 204 }
mbed_official 119:3921aeca8633 205
mbed_official 119:3921aeca8633 206
mbed_official 119:3921aeca8633 207 /* ##################################### Debug In/Output function ########################################### */
mbed_official 119:3921aeca8633 208 uint32_t ITM_SendChar (uint32_t ch)
mbed_official 119:3921aeca8633 209 {
mbed_official 119:3921aeca8633 210 /* Not support this function */
mbed_official 119:3921aeca8633 211 /* Use mbed Serial */
mbed_official 119:3921aeca8633 212 return (ch);
mbed_official 119:3921aeca8633 213 }
mbed_official 119:3921aeca8633 214
mbed_official 119:3921aeca8633 215
AnnaBridge 184:08ed48f1de7f 216 int32_t ITM_ReceiveChar (void)
AnnaBridge 184:08ed48f1de7f 217 {
mbed_official 119:3921aeca8633 218 /* Not support this function */
mbed_official 119:3921aeca8633 219 /* Use mbed Serial */
mbed_official 119:3921aeca8633 220 return (-1); /* no character available */
mbed_official 119:3921aeca8633 221 }
mbed_official 119:3921aeca8633 222
mbed_official 119:3921aeca8633 223
AnnaBridge 184:08ed48f1de7f 224 int32_t ITM_CheckChar (void)
AnnaBridge 184:08ed48f1de7f 225 {
mbed_official 119:3921aeca8633 226 /* Not support this function */
mbed_official 119:3921aeca8633 227 /* Use mbed Serial */
mbed_official 119:3921aeca8633 228 return (0); /* no character available */
mbed_official 119:3921aeca8633 229 }
mbed_official 119:3921aeca8633 230