diff options
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/nvic_wrapper.c')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/nvic_wrapper.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/nvic_wrapper.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/nvic_wrapper.c new file mode 100644 index 0000000000..6a09dcf067 --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/nvic_wrapper.c @@ -0,0 +1,229 @@ +/******************************************************************************* +* DISCLAIMER +* This software is supplied by Renesas Electronics Corporation and is only +* intended for use with Renesas products. No other uses are authorized. This +* software is owned by Renesas Electronics Corporation and is protected under +* all applicable laws, including copyright laws. +* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING +* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT +* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE +* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED. +* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS +* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE +* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR +* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE +* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. +* Renesas reserves the right, without notice, to make changes to this software +* and to discontinue the availability of this software. By using this software, +* you agree to the additional terms and conditions found by accessing the +* following link: +* http://www.renesas.com/disclaimer +* Copyright (C) 2012 - 2015 Renesas Electronics Corporation. All rights reserved. +*******************************************************************************/ +/**************************************************************************//** +* @file nvic_wrapper.c +* $Rev: $ +* $Date:: $ +* @brief Wrapper between NVIC(for Cortex-M) and GIC(for Cortex-A9) +******************************************************************************/ + +/****************************************************************************** +Includes <System Includes> , "Project Includes" +******************************************************************************/ +#include "MBRZA1H.h" +#include "wdt_iodefine.h" +#include "nvic_wrapper.h" +#include "gic.h" + +/****************************************************************************** +Typedef definitions +******************************************************************************/ + +/****************************************************************************** +Macro definitions +******************************************************************************/ +#define PRIO_BITS (7) /* Set binary point to 0 in gic.c */ +#define WDT_WTCNT_WRITE (0x5A00) +#define WDT_WTCSR_WRITE (0xA500) +#define WDT_WRCSR_WOVF_WRITE (0xA500) +#define WDT_WRCSR_RSTE_WRITE (0x5A00) + +/****************************************************************************** +Imported global variables and functions (from other files) +******************************************************************************/ + +/****************************************************************************** +Exported global variables and functions (to be accessed by other files) +******************************************************************************/ + +/****************************************************************************** +Private global variables and functions +******************************************************************************/ + + + +/* ########################## NVIC functions #################################### */ +void NVIC_SetPriorityGrouping(uint32_t PriorityGroup) +{ + GIC_SetBinaryPoint(PriorityGroup); +} + + +uint32_t NVIC_GetPriorityGrouping(void) +{ + return GIC_GetBinaryPoint(0); +} + + +void NVIC_EnableIRQ(IRQn_Type IRQn) +{ + GIC_EnableIRQ(IRQn); +} + + +void NVIC_DisableIRQ(IRQn_Type IRQn) +{ + GIC_DisableIRQ(IRQn); +} + + +uint32_t NVIC_GetPendingIRQ(IRQn_Type IRQn) +{ + uint32_t pending; + + pending = GIC_GetIRQStatus(IRQn); + pending = (pending & 0x00000001); + + return pending; +} + + +void NVIC_SetPendingIRQ(IRQn_Type IRQn) +{ + GIC_SetPendingIRQ(IRQn); +} + + +void NVIC_ClearPendingIRQ(IRQn_Type IRQn) +{ + GIC_ClearPendingIRQ(IRQn); +} + + +uint32_t NVIC_GetActive(IRQn_Type IRQn) +{ + uint32_t active; + + active = GIC_GetIRQStatus(IRQn); + active = ((active >> 1) & 0x00000001); + + return active; +} + + +void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority) +{ + GIC_SetPriority(IRQn, (priority << 3)); +} + + +uint32_t NVIC_GetPriority(IRQn_Type IRQn) +{ + uint32_t priority_field; + + priority_field = GIC_GetPriority(IRQn); + priority_field = (priority_field >> 3); + return priority_field; +} + + +uint32_t NVIC_EncodePriority (uint32_t PriorityGroup, uint32_t PreemptPriority, uint32_t SubPriority) +{ + uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */ + uint32_t PreemptPriorityBits; + uint32_t SubPriorityBits; + + PreemptPriorityBits = ((7 - PriorityGroupTmp) > PRIO_BITS) ? PRIO_BITS : 7 - PriorityGroupTmp; + SubPriorityBits = ((PriorityGroupTmp + PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + PRIO_BITS; + + return ( + ((PreemptPriority & ((1 << (PreemptPriorityBits)) - 1)) << SubPriorityBits) | + ((SubPriority & ((1 << (SubPriorityBits )) - 1))) + ); +} + + +void NVIC_DecodePriority (uint32_t Priority, uint32_t PriorityGroup, uint32_t* pPreemptPriority, uint32_t* pSubPriority) +{ + uint32_t PriorityGroupTmp = (PriorityGroup & 0x07); /* only values 0..7 are used */ + uint32_t PreemptPriorityBits; + uint32_t SubPriorityBits; + + PreemptPriorityBits = ((7 - PriorityGroupTmp) > PRIO_BITS) ? PRIO_BITS : 7 - PriorityGroupTmp; + SubPriorityBits = ((PriorityGroupTmp + PRIO_BITS) < 7) ? 0 : PriorityGroupTmp - 7 + PRIO_BITS; + + *pPreemptPriority = (Priority >> SubPriorityBits) & ((1 << (PreemptPriorityBits)) - 1); + *pSubPriority = (Priority ) & ((1 << (SubPriorityBits )) - 1); +} + +void NVIC_SystemReset(void) +{ + uint16_t reg; + uint8_t dummy_read; + /* Use Watch Dog Timer to system reset */ + + /* Set WT/IT bit of WTCSR to 1 = Watch Dog */ + /* CLK = 000, 1xP0phi(=33.3333MHz) = 7.7us */ + reg = (WDT_WTCSR_WRITE | 0x0058); + WDTWTCSR = reg; + + /* Clear Count reg */ + reg = (WDT_WTCNT_WRITE | 0x0000); + WDTWTCNT = reg; + + /* Clear WOVF flag */ + dummy_read = WDTWRCSR; + reg = (WDT_WRCSR_WOVF_WRITE | (dummy_read & 0x0000)); + WDTWRCSR = reg; + /* Enable Internal Reset */ + reg = (WDT_WRCSR_RSTE_WRITE | 0x005F); + WDTWRCSR = reg; + + /* Watch Dog start */ + reg = (WDT_WTCSR_WRITE | 0x0078); + WDTWTCSR = reg; + + while(1); /* wait Internal Reset */ +} + +/* ################################## SysTick function ############################################ */ +uint32_t SysTick_Config(uint32_t ticks) +{ + /* Not support this function */ + /* Use mbed Ticker */ + return (1); /* impossible */ +} + + +/* ##################################### Debug In/Output function ########################################### */ +uint32_t ITM_SendChar (uint32_t ch) +{ + /* Not support this function */ + /* Use mbed Serial */ + return (ch); +} + + +int32_t ITM_ReceiveChar (void) { + /* Not support this function */ + /* Use mbed Serial */ + return (-1); /* no character available */ +} + + +int32_t ITM_CheckChar (void) { + /* Not support this function */ + /* Use mbed Serial */ + return (0); /* no character available */ +} + |