able to build
This commit is contained in:
@ -0,0 +1,410 @@
|
||||
/*
|
||||
|
||||
Copyright (c) 2009-2017 ARM Limited. All rights reserved.
|
||||
|
||||
SPDX-License-Identifier: Apache-2.0
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the License); you may
|
||||
not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an AS IS BASIS, WITHOUT
|
||||
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
|
||||
NOTICE: This file has been modified by Nordic Semiconductor ASA.
|
||||
|
||||
*/
|
||||
|
||||
.syntax unified
|
||||
.arch armv7e-m
|
||||
|
||||
#ifdef __STARTUP_CONFIG
|
||||
#include "startup_config.h"
|
||||
#ifndef __STARTUP_CONFIG_STACK_ALIGNEMENT
|
||||
#define __STARTUP_CONFIG_STACK_ALIGNEMENT 3
|
||||
#endif
|
||||
#endif
|
||||
|
||||
.section .stack
|
||||
#if defined(__STARTUP_CONFIG)
|
||||
.align __STARTUP_CONFIG_STACK_ALIGNEMENT
|
||||
.equ Stack_Size, __STARTUP_CONFIG_STACK_SIZE
|
||||
#elif defined(__STACK_SIZE)
|
||||
.align 3
|
||||
.equ Stack_Size, __STACK_SIZE
|
||||
#else
|
||||
.align 3
|
||||
.equ Stack_Size, 8192
|
||||
#endif
|
||||
.globl __StackTop
|
||||
.globl __StackLimit
|
||||
__StackLimit:
|
||||
.space Stack_Size
|
||||
.size __StackLimit, . - __StackLimit
|
||||
__StackTop:
|
||||
.size __StackTop, . - __StackTop
|
||||
|
||||
.section .heap
|
||||
.align 3
|
||||
#if defined(__STARTUP_CONFIG)
|
||||
.equ Heap_Size, __STARTUP_CONFIG_HEAP_SIZE
|
||||
#elif defined(__HEAP_SIZE)
|
||||
.equ Heap_Size, __HEAP_SIZE
|
||||
#else
|
||||
.equ Heap_Size, 8192
|
||||
#endif
|
||||
.globl __HeapBase
|
||||
.globl __HeapLimit
|
||||
__HeapBase:
|
||||
.if Heap_Size
|
||||
.space Heap_Size
|
||||
.endif
|
||||
.size __HeapBase, . - __HeapBase
|
||||
__HeapLimit:
|
||||
.size __HeapLimit, . - __HeapLimit
|
||||
|
||||
.section .isr_vector
|
||||
.align 2
|
||||
.globl __isr_vector
|
||||
__isr_vector:
|
||||
.long __StackTop /* Top of Stack */
|
||||
.long Reset_Handler
|
||||
.long NMI_Handler
|
||||
.long HardFault_Handler
|
||||
.long MemoryManagement_Handler
|
||||
.long BusFault_Handler
|
||||
.long UsageFault_Handler
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long SVC_Handler
|
||||
.long DebugMon_Handler
|
||||
.long 0 /*Reserved */
|
||||
.long PendSV_Handler
|
||||
.long SysTick_Handler
|
||||
|
||||
/* External Interrupts */
|
||||
.long POWER_CLOCK_IRQHandler
|
||||
.long RADIO_IRQHandler
|
||||
.long UARTE0_UART0_IRQHandler
|
||||
.long SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler
|
||||
.long SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler
|
||||
.long NFCT_IRQHandler
|
||||
.long GPIOTE_IRQHandler
|
||||
.long SAADC_IRQHandler
|
||||
.long TIMER0_IRQHandler
|
||||
.long TIMER1_IRQHandler
|
||||
.long TIMER2_IRQHandler
|
||||
.long RTC0_IRQHandler
|
||||
.long TEMP_IRQHandler
|
||||
.long RNG_IRQHandler
|
||||
.long ECB_IRQHandler
|
||||
.long CCM_AAR_IRQHandler
|
||||
.long WDT_IRQHandler
|
||||
.long RTC1_IRQHandler
|
||||
.long QDEC_IRQHandler
|
||||
.long COMP_LPCOMP_IRQHandler
|
||||
.long SWI0_EGU0_IRQHandler
|
||||
.long SWI1_EGU1_IRQHandler
|
||||
.long SWI2_EGU2_IRQHandler
|
||||
.long SWI3_EGU3_IRQHandler
|
||||
.long SWI4_EGU4_IRQHandler
|
||||
.long SWI5_EGU5_IRQHandler
|
||||
.long TIMER3_IRQHandler
|
||||
.long TIMER4_IRQHandler
|
||||
.long PWM0_IRQHandler
|
||||
.long PDM_IRQHandler
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long MWU_IRQHandler
|
||||
.long PWM1_IRQHandler
|
||||
.long PWM2_IRQHandler
|
||||
.long SPIM2_SPIS2_SPI2_IRQHandler
|
||||
.long RTC2_IRQHandler
|
||||
.long I2S_IRQHandler
|
||||
.long FPU_IRQHandler
|
||||
.long USBD_IRQHandler
|
||||
.long UARTE1_IRQHandler
|
||||
.long QSPI_IRQHandler
|
||||
.long CRYPTOCELL_IRQHandler
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long PWM3_IRQHandler
|
||||
.long 0 /*Reserved */
|
||||
.long SPIM3_IRQHandler
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
.long 0 /*Reserved */
|
||||
|
||||
.size __isr_vector, . - __isr_vector
|
||||
|
||||
/* Reset Handler */
|
||||
|
||||
|
||||
.text
|
||||
.thumb
|
||||
.thumb_func
|
||||
.align 1
|
||||
.globl Reset_Handler
|
||||
.type Reset_Handler, %function
|
||||
Reset_Handler:
|
||||
|
||||
|
||||
/* Loop to copy data from read only memory to RAM.
|
||||
* The ranges of copy from/to are specified by following symbols:
|
||||
* __etext: LMA of start of the section to copy from. Usually end of text
|
||||
* __data_start__: VMA of start of the section to copy to.
|
||||
* __bss_start__: VMA of end of the section to copy to. Normally __data_end__ is used, but by using __bss_start__
|
||||
* the user can add their own initialized data section before BSS section with the INTERT AFTER command.
|
||||
*
|
||||
* All addresses must be aligned to 4 bytes boundary.
|
||||
*/
|
||||
ldr r1, =__etext
|
||||
ldr r2, =__data_start__
|
||||
ldr r3, =__bss_start__
|
||||
|
||||
subs r3, r2
|
||||
ble .L_loop1_done
|
||||
|
||||
.L_loop1:
|
||||
subs r3, #4
|
||||
ldr r0, [r1,r3]
|
||||
str r0, [r2,r3]
|
||||
bgt .L_loop1
|
||||
|
||||
.L_loop1_done:
|
||||
|
||||
/* This part of work usually is done in C library startup code. Otherwise,
|
||||
* define __STARTUP_CLEAR_BSS to enable it in this startup. This section
|
||||
* clears the RAM where BSS data is located.
|
||||
*
|
||||
* The BSS section is specified by following symbols
|
||||
* __bss_start__: start of the BSS section.
|
||||
* __bss_end__: end of the BSS section.
|
||||
*
|
||||
* All addresses must be aligned to 4 bytes boundary.
|
||||
*/
|
||||
#ifdef __STARTUP_CLEAR_BSS
|
||||
ldr r1, =__bss_start__
|
||||
ldr r2, =__bss_end__
|
||||
|
||||
movs r0, 0
|
||||
|
||||
subs r2, r1
|
||||
ble .L_loop3_done
|
||||
|
||||
.L_loop3:
|
||||
subs r2, #4
|
||||
str r0, [r1, r2]
|
||||
bgt .L_loop3
|
||||
|
||||
.L_loop3_done:
|
||||
#endif /* __STARTUP_CLEAR_BSS */
|
||||
|
||||
/* Execute SystemInit function. */
|
||||
bl SystemInit
|
||||
|
||||
/* Call _start function provided by libraries.
|
||||
* If those libraries are not accessible, define __START as your entry point.
|
||||
*/
|
||||
#ifndef __START
|
||||
#define __START _start
|
||||
#endif
|
||||
bl __START
|
||||
|
||||
.pool
|
||||
.size Reset_Handler,.-Reset_Handler
|
||||
|
||||
.section ".text"
|
||||
|
||||
|
||||
/* Dummy Exception Handlers (infinite loops which can be modified) */
|
||||
|
||||
.weak NMI_Handler
|
||||
.type NMI_Handler, %function
|
||||
NMI_Handler:
|
||||
b .
|
||||
.size NMI_Handler, . - NMI_Handler
|
||||
|
||||
|
||||
.weak HardFault_Handler
|
||||
.type HardFault_Handler, %function
|
||||
HardFault_Handler:
|
||||
b .
|
||||
.size HardFault_Handler, . - HardFault_Handler
|
||||
|
||||
|
||||
.weak MemoryManagement_Handler
|
||||
.type MemoryManagement_Handler, %function
|
||||
MemoryManagement_Handler:
|
||||
b .
|
||||
.size MemoryManagement_Handler, . - MemoryManagement_Handler
|
||||
|
||||
|
||||
.weak BusFault_Handler
|
||||
.type BusFault_Handler, %function
|
||||
BusFault_Handler:
|
||||
b .
|
||||
.size BusFault_Handler, . - BusFault_Handler
|
||||
|
||||
|
||||
.weak UsageFault_Handler
|
||||
.type UsageFault_Handler, %function
|
||||
UsageFault_Handler:
|
||||
b .
|
||||
.size UsageFault_Handler, . - UsageFault_Handler
|
||||
|
||||
|
||||
.weak SVC_Handler
|
||||
.type SVC_Handler, %function
|
||||
SVC_Handler:
|
||||
b .
|
||||
.size SVC_Handler, . - SVC_Handler
|
||||
|
||||
|
||||
.weak DebugMon_Handler
|
||||
.type DebugMon_Handler, %function
|
||||
DebugMon_Handler:
|
||||
b .
|
||||
.size DebugMon_Handler, . - DebugMon_Handler
|
||||
|
||||
|
||||
.weak PendSV_Handler
|
||||
.type PendSV_Handler, %function
|
||||
PendSV_Handler:
|
||||
b .
|
||||
.size PendSV_Handler, . - PendSV_Handler
|
||||
|
||||
|
||||
.weak SysTick_Handler
|
||||
.type SysTick_Handler, %function
|
||||
SysTick_Handler:
|
||||
b .
|
||||
.size SysTick_Handler, . - SysTick_Handler
|
||||
|
||||
|
||||
/* IRQ Handlers */
|
||||
|
||||
.globl Default_Handler
|
||||
.type Default_Handler, %function
|
||||
Default_Handler:
|
||||
b .
|
||||
.size Default_Handler, . - Default_Handler
|
||||
|
||||
.macro IRQ handler
|
||||
.weak \handler
|
||||
.set \handler, Default_Handler
|
||||
.endm
|
||||
|
||||
IRQ POWER_CLOCK_IRQHandler
|
||||
IRQ RADIO_IRQHandler
|
||||
IRQ UARTE0_UART0_IRQHandler
|
||||
IRQ SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler
|
||||
IRQ SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler
|
||||
IRQ NFCT_IRQHandler
|
||||
IRQ GPIOTE_IRQHandler
|
||||
IRQ SAADC_IRQHandler
|
||||
IRQ TIMER0_IRQHandler
|
||||
IRQ TIMER1_IRQHandler
|
||||
IRQ TIMER2_IRQHandler
|
||||
IRQ RTC0_IRQHandler
|
||||
IRQ TEMP_IRQHandler
|
||||
IRQ RNG_IRQHandler
|
||||
IRQ ECB_IRQHandler
|
||||
IRQ CCM_AAR_IRQHandler
|
||||
IRQ WDT_IRQHandler
|
||||
IRQ RTC1_IRQHandler
|
||||
IRQ QDEC_IRQHandler
|
||||
IRQ COMP_LPCOMP_IRQHandler
|
||||
IRQ SWI0_EGU0_IRQHandler
|
||||
IRQ SWI1_EGU1_IRQHandler
|
||||
IRQ SWI2_EGU2_IRQHandler
|
||||
IRQ SWI3_EGU3_IRQHandler
|
||||
IRQ SWI4_EGU4_IRQHandler
|
||||
IRQ SWI5_EGU5_IRQHandler
|
||||
IRQ TIMER3_IRQHandler
|
||||
IRQ TIMER4_IRQHandler
|
||||
IRQ PWM0_IRQHandler
|
||||
IRQ PDM_IRQHandler
|
||||
IRQ MWU_IRQHandler
|
||||
IRQ PWM1_IRQHandler
|
||||
IRQ PWM2_IRQHandler
|
||||
IRQ SPIM2_SPIS2_SPI2_IRQHandler
|
||||
IRQ RTC2_IRQHandler
|
||||
IRQ I2S_IRQHandler
|
||||
IRQ FPU_IRQHandler
|
||||
IRQ USBD_IRQHandler
|
||||
IRQ UARTE1_IRQHandler
|
||||
IRQ QSPI_IRQHandler
|
||||
IRQ CRYPTOCELL_IRQHandler
|
||||
IRQ PWM3_IRQHandler
|
||||
IRQ SPIM3_IRQHandler
|
||||
|
||||
.end
|
256
nRF5_SDK_11.0.0_89a8197/components/toolchain/system_nrf52840.c
Normal file
256
nRF5_SDK_11.0.0_89a8197/components/toolchain/system_nrf52840.c
Normal file
@ -0,0 +1,256 @@
|
||||
/*
|
||||
|
||||
Copyright (c) 2009-2017 ARM Limited. All rights reserved.
|
||||
|
||||
SPDX-License-Identifier: Apache-2.0
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the License); you may
|
||||
not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an AS IS BASIS, WITHOUT
|
||||
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
|
||||
NOTICE: This file has been modified by Nordic Semiconductor ASA.
|
||||
|
||||
*/
|
||||
|
||||
/* NOTE: Template files (including this one) are application specific and therefore expected to
|
||||
be copied into the application project folder prior to its use! */
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include "nrf.h"
|
||||
#include "system_nrf52840.h"
|
||||
|
||||
/*lint ++flb "Enter library region" */
|
||||
|
||||
#define __SYSTEM_CLOCK_64M (64000000UL)
|
||||
|
||||
static bool errata_36(void);
|
||||
static bool errata_66(void);
|
||||
static bool errata_98(void);
|
||||
static bool errata_103(void);
|
||||
static bool errata_115(void);
|
||||
static bool errata_120(void);
|
||||
static bool errata_136(void);
|
||||
|
||||
|
||||
#if defined ( __CC_ARM )
|
||||
uint32_t SystemCoreClock __attribute__((used)) = __SYSTEM_CLOCK_64M;
|
||||
#elif defined ( __ICCARM__ )
|
||||
__root uint32_t SystemCoreClock = __SYSTEM_CLOCK_64M;
|
||||
#elif defined ( __GNUC__ )
|
||||
uint32_t SystemCoreClock __attribute__((used)) = __SYSTEM_CLOCK_64M;
|
||||
#endif
|
||||
|
||||
void SystemCoreClockUpdate(void)
|
||||
{
|
||||
SystemCoreClock = __SYSTEM_CLOCK_64M;
|
||||
}
|
||||
|
||||
void SystemInit(void)
|
||||
{
|
||||
/* Enable SWO trace functionality. If ENABLE_SWO is not defined, SWO pin will be used as GPIO (see Product
|
||||
Specification to see which one). */
|
||||
#if defined (ENABLE_SWO)
|
||||
CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
|
||||
NRF_CLOCK->TRACECONFIG |= CLOCK_TRACECONFIG_TRACEMUX_Serial << CLOCK_TRACECONFIG_TRACEMUX_Pos;
|
||||
NRF_P1->PIN_CNF[0] = (GPIO_PIN_CNF_DRIVE_H0H1 << GPIO_PIN_CNF_DRIVE_Pos) | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
|
||||
#endif
|
||||
|
||||
/* Enable Trace functionality. If ENABLE_TRACE is not defined, TRACE pins will be used as GPIOs (see Product
|
||||
Specification to see which ones). */
|
||||
#if defined (ENABLE_TRACE)
|
||||
CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
|
||||
NRF_CLOCK->TRACECONFIG |= CLOCK_TRACECONFIG_TRACEMUX_Parallel << CLOCK_TRACECONFIG_TRACEMUX_Pos;
|
||||
NRF_P0->PIN_CNF[7] = (GPIO_PIN_CNF_DRIVE_H0H1 << GPIO_PIN_CNF_DRIVE_Pos) | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
|
||||
NRF_P1->PIN_CNF[0] = (GPIO_PIN_CNF_DRIVE_H0H1 << GPIO_PIN_CNF_DRIVE_Pos) | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
|
||||
NRF_P0->PIN_CNF[12] = (GPIO_PIN_CNF_DRIVE_H0H1 << GPIO_PIN_CNF_DRIVE_Pos) | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
|
||||
NRF_P0->PIN_CNF[11] = (GPIO_PIN_CNF_DRIVE_H0H1 << GPIO_PIN_CNF_DRIVE_Pos) | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
|
||||
NRF_P1->PIN_CNF[9] = (GPIO_PIN_CNF_DRIVE_H0H1 << GPIO_PIN_CNF_DRIVE_Pos) | (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos) | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
|
||||
#endif
|
||||
|
||||
/* Workaround for Errata 36 "CLOCK: Some registers are not reset when expected" found at the Errata document
|
||||
for your device located at https://infocenter.nordicsemi.com/ */
|
||||
if (errata_36()){
|
||||
NRF_CLOCK->EVENTS_DONE = 0;
|
||||
NRF_CLOCK->EVENTS_CTTO = 0;
|
||||
NRF_CLOCK->CTIV = 0;
|
||||
}
|
||||
|
||||
/* Workaround for Errata 66 "TEMP: Linearity specification not met with default settings" found at the Errata document
|
||||
for your device located at https://infocenter.nordicsemi.com/ */
|
||||
if (errata_66()){
|
||||
NRF_TEMP->A0 = NRF_FICR->TEMP.A0;
|
||||
NRF_TEMP->A1 = NRF_FICR->TEMP.A1;
|
||||
NRF_TEMP->A2 = NRF_FICR->TEMP.A2;
|
||||
NRF_TEMP->A3 = NRF_FICR->TEMP.A3;
|
||||
NRF_TEMP->A4 = NRF_FICR->TEMP.A4;
|
||||
NRF_TEMP->A5 = NRF_FICR->TEMP.A5;
|
||||
NRF_TEMP->B0 = NRF_FICR->TEMP.B0;
|
||||
NRF_TEMP->B1 = NRF_FICR->TEMP.B1;
|
||||
NRF_TEMP->B2 = NRF_FICR->TEMP.B2;
|
||||
NRF_TEMP->B3 = NRF_FICR->TEMP.B3;
|
||||
NRF_TEMP->B4 = NRF_FICR->TEMP.B4;
|
||||
NRF_TEMP->B5 = NRF_FICR->TEMP.B5;
|
||||
NRF_TEMP->T0 = NRF_FICR->TEMP.T0;
|
||||
NRF_TEMP->T1 = NRF_FICR->TEMP.T1;
|
||||
NRF_TEMP->T2 = NRF_FICR->TEMP.T2;
|
||||
NRF_TEMP->T3 = NRF_FICR->TEMP.T3;
|
||||
NRF_TEMP->T4 = NRF_FICR->TEMP.T4;
|
||||
}
|
||||
|
||||
/* Workaround for Errata 98 "NFCT: Not able to communicate with the peer" found at the Errata document
|
||||
for your device located at https://infocenter.nordicsemi.com/ */
|
||||
if (errata_98()){
|
||||
*(volatile uint32_t *)0x4000568Cul = 0x00038148ul;
|
||||
}
|
||||
|
||||
/* Workaround for Errata 103 "CCM: Wrong reset value of CCM MAXPACKETSIZE" found at the Errata document
|
||||
for your device located at https://infocenter.nordicsemi.com/ */
|
||||
if (errata_103()){
|
||||
NRF_CCM->MAXPACKETSIZE = 0xFBul;
|
||||
}
|
||||
|
||||
/* Workaround for Errata 115 "RAM: RAM content cannot be trusted upon waking up from System ON Idle or System OFF mode" found at the Errata document
|
||||
for your device located at https://infocenter.nordicsemi.com/ */
|
||||
if (errata_115()){
|
||||
*(volatile uint32_t *)0x40000EE4 = (*(volatile uint32_t *)0x40000EE4 & 0xFFFFFFF0) | (*(uint32_t *)0x10000258 & 0x0000000F);
|
||||
}
|
||||
|
||||
/* Workaround for Errata 120 "QSPI: Data read or written is corrupted" found at the Errata document
|
||||
for your device located at https://infocenter.nordicsemi.com/ */
|
||||
if (errata_120()){
|
||||
*(volatile uint32_t *)0x40029640ul = 0x200ul;
|
||||
}
|
||||
|
||||
/* Workaround for Errata 136 "System: Bits in RESETREAS are set when they should not be" found at the Errata document
|
||||
for your device located at https://infocenter.nordicsemi.com/ */
|
||||
if (errata_136()){
|
||||
if (NRF_POWER->RESETREAS & POWER_RESETREAS_RESETPIN_Msk){
|
||||
NRF_POWER->RESETREAS = ~POWER_RESETREAS_RESETPIN_Msk;
|
||||
}
|
||||
}
|
||||
|
||||
/* Enable the FPU if the compiler used floating point unit instructions. __FPU_USED is a MACRO defined by the
|
||||
* compiler. Since the FPU consumes energy, remember to disable FPU use in the compiler if floating point unit
|
||||
* operations are not used in your code. */
|
||||
#if (__FPU_USED == 1)
|
||||
SCB->CPACR |= (3UL << 20) | (3UL << 22);
|
||||
__DSB();
|
||||
__ISB();
|
||||
#endif
|
||||
|
||||
/* Configure NFCT pins as GPIOs if NFCT is not to be used in your code. If CONFIG_NFCT_PINS_AS_GPIOS is not defined,
|
||||
two GPIOs (see Product Specification to see which ones) will be reserved for NFC and will not be available as
|
||||
normal GPIOs. */
|
||||
#if defined (CONFIG_NFCT_PINS_AS_GPIOS)
|
||||
if ((NRF_UICR->NFCPINS & UICR_NFCPINS_PROTECT_Msk) == (UICR_NFCPINS_PROTECT_NFC << UICR_NFCPINS_PROTECT_Pos)){
|
||||
NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos;
|
||||
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){}
|
||||
NRF_UICR->NFCPINS &= ~UICR_NFCPINS_PROTECT_Msk;
|
||||
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){}
|
||||
NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren << NVMC_CONFIG_WEN_Pos;
|
||||
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){}
|
||||
NVIC_SystemReset();
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Configure GPIO pads as pPin Reset pin if Pin Reset capabilities desired. If CONFIG_GPIO_AS_PINRESET is not
|
||||
defined, pin reset will not be available. One GPIO (see Product Specification to see which one) will then be
|
||||
reserved for PinReset and not available as normal GPIO. */
|
||||
#if defined (CONFIG_GPIO_AS_PINRESET)
|
||||
if (((NRF_UICR->PSELRESET[0] & UICR_PSELRESET_CONNECT_Msk) != (UICR_PSELRESET_CONNECT_Connected << UICR_PSELRESET_CONNECT_Pos)) ||
|
||||
((NRF_UICR->PSELRESET[1] & UICR_PSELRESET_CONNECT_Msk) != (UICR_PSELRESET_CONNECT_Connected << UICR_PSELRESET_CONNECT_Pos))){
|
||||
NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos;
|
||||
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){}
|
||||
NRF_UICR->PSELRESET[0] = 18;
|
||||
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){}
|
||||
NRF_UICR->PSELRESET[1] = 18;
|
||||
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){}
|
||||
NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Ren << NVMC_CONFIG_WEN_Pos;
|
||||
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){}
|
||||
NVIC_SystemReset();
|
||||
}
|
||||
#endif
|
||||
|
||||
SystemCoreClockUpdate();
|
||||
}
|
||||
|
||||
|
||||
static bool errata_36(void)
|
||||
{
|
||||
if ((*(uint32_t *)0x10000130ul == 0x8ul) && (*(uint32_t *)0x10000134ul == 0x0ul)){
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
static bool errata_66(void)
|
||||
{
|
||||
if ((*(uint32_t *)0x10000130ul == 0x8ul) && (*(uint32_t *)0x10000134ul == 0x0ul)){
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
static bool errata_98(void)
|
||||
{
|
||||
if ((*(uint32_t *)0x10000130ul == 0x8ul) && (*(uint32_t *)0x10000134ul == 0x0ul)){
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
static bool errata_103(void)
|
||||
{
|
||||
if ((*(uint32_t *)0x10000130ul == 0x8ul) && (*(uint32_t *)0x10000134ul == 0x0ul)){
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
static bool errata_115(void)
|
||||
{
|
||||
if ((*(uint32_t *)0x10000130ul == 0x8ul) && (*(uint32_t *)0x10000134ul == 0x0ul)){
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
static bool errata_120(void)
|
||||
{
|
||||
if ((*(uint32_t *)0x10000130ul == 0x8ul) && (*(uint32_t *)0x10000134ul == 0x0ul)){
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
static bool errata_136(void)
|
||||
{
|
||||
if ((*(uint32_t *)0x10000130ul == 0x8ul) && (*(uint32_t *)0x10000134ul == 0x0ul)){
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
/*lint --flb "Leave library region" */
|
@ -0,0 +1,61 @@
|
||||
/*
|
||||
|
||||
Copyright (c) 2009-2017 ARM Limited. All rights reserved.
|
||||
|
||||
SPDX-License-Identifier: Apache-2.0
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the License); you may
|
||||
not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an AS IS BASIS, WITHOUT
|
||||
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
|
||||
NOTICE: This file has been modified by Nordic Semiconductor ASA.
|
||||
|
||||
*/
|
||||
|
||||
#ifndef SYSTEM_NRF52840_H
|
||||
#define SYSTEM_NRF52840_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
|
||||
extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
|
||||
|
||||
/**
|
||||
* Initialize the system
|
||||
*
|
||||
* @param none
|
||||
* @return none
|
||||
*
|
||||
* @brief Setup the microcontroller system.
|
||||
* Initialize the System and update the SystemCoreClock variable.
|
||||
*/
|
||||
extern void SystemInit (void);
|
||||
|
||||
/**
|
||||
* Update SystemCoreClock variable
|
||||
*
|
||||
* @param none
|
||||
* @return none
|
||||
*
|
||||
* @brief Updates the SystemCoreClock with current core Clock
|
||||
* retrieved from cpu registers.
|
||||
*/
|
||||
extern void SystemCoreClockUpdate (void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* SYSTEM_NRF52840_H */
|
Reference in New Issue
Block a user