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conduction1_dynamic_electrocardiograph
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add ble demo proj

master
zhaohe 1 year ago
parent
3119deb8ce
commit
e5d74376ac
8 changed files with 20938 additions and 1 deletions
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  1. 3
      .gitignore
  2. 379
      app/RTE/Device/nRF52833_xxAA/arm_startup_nrf52833.s
  3. 329
      app/RTE/Device/nRF52833_xxAA/system_nrf52.c
  4. 21
      app/RTE/_nrf52833_xxaa/RTE_Components.h
  5. 7481
      app/app.uvprojx
  6. 11995
      app/config/sdk_config.h
  7. 729
      app/main.c
  8. 2
      sdk

3
.gitignore
View File

@ -0,0 +1,3 @@
_build
app.uvguix.*
app.uvoptx

379
app/RTE/Device/nRF52833_xxAA/arm_startup_nrf52833.s
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; Copyright (c) 2009-2021 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.
IF :DEF: __STARTUP_CONFIG
#ifdef __STARTUP_CONFIG
#include "startup_config.h"
#ifndef __STARTUP_CONFIG_STACK_ALIGNEMENT
#define __STARTUP_CONFIG_STACK_ALIGNEMENT 3
#endif
#endif
ENDIF
IF :DEF: __STARTUP_CONFIG
Stack_Size EQU __STARTUP_CONFIG_STACK_SIZE
ELIF :DEF: __STACK_SIZE
Stack_Size EQU __STACK_SIZE
ELSE
Stack_Size EQU 8192
ENDIF
IF :DEF: __STARTUP_CONFIG
Stack_Align EQU __STARTUP_CONFIG_STACK_ALIGNEMENT
ELSE
Stack_Align EQU 3
ENDIF
AREA STACK, NOINIT, READWRITE, ALIGN=Stack_Align
Stack_Mem SPACE Stack_Size
__initial_sp
IF :DEF: __STARTUP_CONFIG
Heap_Size EQU __STARTUP_CONFIG_HEAP_SIZE
ELIF :DEF: __HEAP_SIZE
Heap_Size EQU __HEAP_SIZE
ELSE
Heap_Size EQU 8192
ENDIF
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
; Vector Table Mapped to Address 0 at Reset
AREA RESET, DATA, READONLY
EXPORT __Vectors
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
DCD Reset_Handler
DCD NMI_Handler
DCD HardFault_Handler
DCD MemoryManagement_Handler
DCD BusFault_Handler
DCD UsageFault_Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler
DCD DebugMon_Handler
DCD 0 ; Reserved
DCD PendSV_Handler
DCD SysTick_Handler
; External Interrupts
DCD POWER_CLOCK_IRQHandler
DCD RADIO_IRQHandler
DCD UARTE0_UART0_IRQHandler
DCD SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler
DCD SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler
DCD NFCT_IRQHandler
DCD GPIOTE_IRQHandler
DCD SAADC_IRQHandler
DCD TIMER0_IRQHandler
DCD TIMER1_IRQHandler
DCD TIMER2_IRQHandler
DCD RTC0_IRQHandler
DCD TEMP_IRQHandler
DCD RNG_IRQHandler
DCD ECB_IRQHandler
DCD CCM_AAR_IRQHandler
DCD WDT_IRQHandler
DCD RTC1_IRQHandler
DCD QDEC_IRQHandler
DCD COMP_LPCOMP_IRQHandler
DCD SWI0_EGU0_IRQHandler
DCD SWI1_EGU1_IRQHandler
DCD SWI2_EGU2_IRQHandler
DCD SWI3_EGU3_IRQHandler
DCD SWI4_EGU4_IRQHandler
DCD SWI5_EGU5_IRQHandler
DCD TIMER3_IRQHandler
DCD TIMER4_IRQHandler
DCD PWM0_IRQHandler
DCD PDM_IRQHandler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD MWU_IRQHandler
DCD PWM1_IRQHandler
DCD PWM2_IRQHandler
DCD SPIM2_SPIS2_SPI2_IRQHandler
DCD RTC2_IRQHandler
DCD I2S_IRQHandler
DCD FPU_IRQHandler
DCD USBD_IRQHandler
DCD UARTE1_IRQHandler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD PWM3_IRQHandler
DCD 0 ; Reserved
DCD SPIM3_IRQHandler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
__Vectors_End
__Vectors_Size EQU __Vectors_End - __Vectors
AREA |.text|, CODE, READONLY
; Reset Handler
Reset_Handler PROC
EXPORT Reset_Handler [WEAK]
IMPORT SystemInit
IMPORT __main
LDR R0, =SystemInit
BLX R0
LDR R0, =__main
BX R0
ENDP
; Dummy Exception Handlers (infinite loops which can be modified)
NMI_Handler PROC
EXPORT NMI_Handler [WEAK]
B .
ENDP
HardFault_Handler\
PROC
EXPORT HardFault_Handler [WEAK]
B .
ENDP
MemoryManagement_Handler\
PROC
EXPORT MemoryManagement_Handler [WEAK]
B .
ENDP
BusFault_Handler\
PROC
EXPORT BusFault_Handler [WEAK]
B .
ENDP
UsageFault_Handler\
PROC
EXPORT UsageFault_Handler [WEAK]
B .
ENDP
SVC_Handler PROC
EXPORT SVC_Handler [WEAK]
B .
ENDP
DebugMon_Handler\
PROC
EXPORT DebugMon_Handler [WEAK]
B .
ENDP
PendSV_Handler PROC
EXPORT PendSV_Handler [WEAK]
B .
ENDP
SysTick_Handler PROC
EXPORT SysTick_Handler [WEAK]
B .
ENDP
Default_Handler PROC
EXPORT POWER_CLOCK_IRQHandler [WEAK]
EXPORT RADIO_IRQHandler [WEAK]
EXPORT UARTE0_UART0_IRQHandler [WEAK]
EXPORT SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler [WEAK]
EXPORT SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler [WEAK]
EXPORT NFCT_IRQHandler [WEAK]
EXPORT GPIOTE_IRQHandler [WEAK]
EXPORT SAADC_IRQHandler [WEAK]
EXPORT TIMER0_IRQHandler [WEAK]
EXPORT TIMER1_IRQHandler [WEAK]
EXPORT TIMER2_IRQHandler [WEAK]
EXPORT RTC0_IRQHandler [WEAK]
EXPORT TEMP_IRQHandler [WEAK]
EXPORT RNG_IRQHandler [WEAK]
EXPORT ECB_IRQHandler [WEAK]
EXPORT CCM_AAR_IRQHandler [WEAK]
EXPORT WDT_IRQHandler [WEAK]
EXPORT RTC1_IRQHandler [WEAK]
EXPORT QDEC_IRQHandler [WEAK]
EXPORT COMP_LPCOMP_IRQHandler [WEAK]
EXPORT SWI0_EGU0_IRQHandler [WEAK]
EXPORT SWI1_EGU1_IRQHandler [WEAK]
EXPORT SWI2_EGU2_IRQHandler [WEAK]
EXPORT SWI3_EGU3_IRQHandler [WEAK]
EXPORT SWI4_EGU4_IRQHandler [WEAK]
EXPORT SWI5_EGU5_IRQHandler [WEAK]
EXPORT TIMER3_IRQHandler [WEAK]
EXPORT TIMER4_IRQHandler [WEAK]
EXPORT PWM0_IRQHandler [WEAK]
EXPORT PDM_IRQHandler [WEAK]
EXPORT MWU_IRQHandler [WEAK]
EXPORT PWM1_IRQHandler [WEAK]
EXPORT PWM2_IRQHandler [WEAK]
EXPORT SPIM2_SPIS2_SPI2_IRQHandler [WEAK]
EXPORT RTC2_IRQHandler [WEAK]
EXPORT I2S_IRQHandler [WEAK]
EXPORT FPU_IRQHandler [WEAK]
EXPORT USBD_IRQHandler [WEAK]
EXPORT UARTE1_IRQHandler [WEAK]
EXPORT PWM3_IRQHandler [WEAK]
EXPORT SPIM3_IRQHandler [WEAK]
POWER_CLOCK_IRQHandler
RADIO_IRQHandler
UARTE0_UART0_IRQHandler
SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler
SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler
NFCT_IRQHandler
GPIOTE_IRQHandler
SAADC_IRQHandler
TIMER0_IRQHandler
TIMER1_IRQHandler
TIMER2_IRQHandler
RTC0_IRQHandler
TEMP_IRQHandler
RNG_IRQHandler
ECB_IRQHandler
CCM_AAR_IRQHandler
WDT_IRQHandler
RTC1_IRQHandler
QDEC_IRQHandler
COMP_LPCOMP_IRQHandler
SWI0_EGU0_IRQHandler
SWI1_EGU1_IRQHandler
SWI2_EGU2_IRQHandler
SWI3_EGU3_IRQHandler
SWI4_EGU4_IRQHandler
SWI5_EGU5_IRQHandler
TIMER3_IRQHandler
TIMER4_IRQHandler
PWM0_IRQHandler
PDM_IRQHandler
MWU_IRQHandler
PWM1_IRQHandler
PWM2_IRQHandler
SPIM2_SPIS2_SPI2_IRQHandler
RTC2_IRQHandler
I2S_IRQHandler
FPU_IRQHandler
USBD_IRQHandler
UARTE1_IRQHandler
PWM3_IRQHandler
SPIM3_IRQHandler
B .
ENDP
ALIGN
; User Initial Stack & Heap
IF :DEF:__MICROLIB
EXPORT __initial_sp
EXPORT __heap_base
EXPORT __heap_limit
ELSE
IMPORT __use_two_region_memory
EXPORT __user_initial_stackheap
__user_initial_stackheap PROC
LDR R0, = Heap_Mem
LDR R1, = (Stack_Mem + Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem
BX LR
ENDP
ALIGN
ENDIF
END

329
app/RTE/Device/nRF52833_xxAA/system_nrf52.c
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@ -0,0 +1,329 @@
/*
Copyright (c) 2009-2021 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 "nrf_peripherals.h"
#include "nrf52_erratas.h"
#include "system_nrf52.h"
#include "system_nrf52_approtect.h"
#define __SYSTEM_CLOCK_64M (64000000UL)
#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
/* Select correct reset pin */
/* Handle DEVELOP_IN-targets first as they take precedence over the later macros */
#if defined (DEVELOP_IN_NRF52805) \
|| defined (DEVELOP_IN_NRF52810) \
|| defined (DEVELOP_IN_NRF52811) \
|| defined (DEVELOP_IN_NRF52832)
#define RESET_PIN 21
#elif defined (DEVELOP_IN_NRF52820) \
|| defined (DEVELOP_IN_NRF52833) \
|| defined (DEVELOP_IN_NRF52840)
#define RESET_PIN 18
#elif defined (NRF52805_XXAA) \
|| defined (NRF52810_XXAA) \
|| defined (NRF52811_XXAA) \
|| defined (NRF52832_XXAA) \
|| defined (NRF52832_XXAB)
#define RESET_PIN 21
#elif defined (NRF52820_XXAA) \
|| defined (NRF52833_XXAA) \
|| defined (NRF52840_XXAA)
#define RESET_PIN 18
#else
#error "A supported device macro must be defined."
#endif
/* -- NVMC utility functions -- */
/* Waits until NVMC is done with the current pending action */
void nvmc_wait(void)
{
while (NRF_NVMC->READY == NVMC_READY_READY_Busy){}
}
/* Configure the NVMC to "mode".
Mode must be an enumerator of field NVMC_CONFIG_WEN */
void nvmc_config(uint32_t mode)
{
NRF_NVMC->CONFIG = mode << NVMC_CONFIG_WEN_Pos;
nvmc_wait();
}
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) && defined(CLOCK_TRACECONFIG_TRACEMUX_Pos)
CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
NRF_CLOCK->TRACECONFIG |= CLOCK_TRACECONFIG_TRACEMUX_Serial << CLOCK_TRACECONFIG_TRACEMUX_Pos;
NRF_P0->PIN_CNF[18] = (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) && defined(CLOCK_TRACECONFIG_TRACEMUX_Pos)
CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
NRF_CLOCK->TRACECONFIG |= CLOCK_TRACECONFIG_TRACEMUX_Parallel << CLOCK_TRACECONFIG_TRACEMUX_Pos;
NRF_P0->PIN_CNF[14] = (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[15] = (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[16] = (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[18] = (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[20] = (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
#if NRF52_ERRATA_12_ENABLE_WORKAROUND
/* Workaround for Errata 12 "COMP: Reference ladder not correctly calibrated" found at the Errata document
for your device located at https://infocenter.nordicsemi.com/index.jsp */
if (nrf52_errata_12()){
*(volatile uint32_t *)0x40013540 = (*(uint32_t *)0x10000324 & 0x00001F00) >> 8;
}
#endif
#if NRF52_ERRATA_16_ENABLE_WORKAROUND
/* Workaround for Errata 16 "System: RAM may be corrupt on wakeup from CPU IDLE" found at the Errata document
for your device located at https://infocenter.nordicsemi.com/index.jsp */
if (nrf52_errata_16()){
*(volatile uint32_t *)0x4007C074 = 3131961357ul;
}
#endif
#if NRF52_ERRATA_31_ENABLE_WORKAROUND
/* Workaround for Errata 31 "CLOCK: Calibration values are not correctly loaded from FICR at reset" found at the Errata document
for your device located at https://infocenter.nordicsemi.com/index.jsp */
if (nrf52_errata_31()){
*(volatile uint32_t *)0x4000053C = ((*(volatile uint32_t *)0x10000244) & 0x0000E000) >> 13;
}
#endif
#if NRF52_ERRATA_32_ENABLE_WORKAROUND
/* Workaround for Errata 32 "DIF: Debug session automatically enables TracePort pins" found at the Errata document
for your device located at https://infocenter.nordicsemi.com/index.jsp */
if (nrf52_errata_32()){
CoreDebug->DEMCR &= ~CoreDebug_DEMCR_TRCENA_Msk;
}
#endif
#if NRF52_ERRATA_36_ENABLE_WORKAROUND
/* 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/index.jsp */
if (nrf52_errata_36()){
NRF_CLOCK->EVENTS_DONE = 0;
NRF_CLOCK->EVENTS_CTTO = 0;
NRF_CLOCK->CTIV = 0;
}
#endif
#if NRF52_ERRATA_37_ENABLE_WORKAROUND
/* Workaround for Errata 37 "RADIO: Encryption engine is slow by default" found at the Errata document
for your device located at https://infocenter.nordicsemi.com/index.jsp */
if (nrf52_errata_37()){
*(volatile uint32_t *)0x400005A0 = 0x3;
}
#endif
#if NRF52_ERRATA_57_ENABLE_WORKAROUND
/* Workaround for Errata 57 "NFCT: NFC Modulation amplitude" found at the Errata document
for your device located at https://infocenter.nordicsemi.com/index.jsp */
if (nrf52_errata_57()){
*(volatile uint32_t *)0x40005610 = 0x00000005;
*(volatile uint32_t *)0x40005688 = 0x00000001;
*(volatile uint32_t *)0x40005618 = 0x00000000;
*(volatile uint32_t *)0x40005614 = 0x0000003F;
}
#endif
#if NRF52_ERRATA_66_ENABLE_WORKAROUND
/* 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/index.jsp */
if (nrf52_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;
}
#endif
#if NRF52_ERRATA_98_ENABLE_WORKAROUND
/* 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/index.jsp */
if (nrf52_errata_98()){
*(volatile uint32_t *)0x4000568Cul = 0x00038148ul;
}
#endif
#if NRF52_ERRATA_103_ENABLE_WORKAROUND && defined(CCM_MAXPACKETSIZE_MAXPACKETSIZE_Pos)
/* 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/index.jsp */
if (nrf52_errata_103()){
NRF_CCM->MAXPACKETSIZE = 0xFBul;
}
#endif
#if NRF52_ERRATA_108_ENABLE_WORKAROUND
/* Workaround for Errata 108 "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/index.jsp */
if (nrf52_errata_108()){
*(volatile uint32_t *)0x40000EE4ul = *(volatile uint32_t *)0x10000258ul & 0x0000004Ful;
}
#endif
#if NRF52_ERRATA_115_ENABLE_WORKAROUND
/* 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/index.jsp */
if (nrf52_errata_115()){
*(volatile uint32_t *)0x40000EE4 = (*(volatile uint32_t *)0x40000EE4 & 0xFFFFFFF0) | (*(uint32_t *)0x10000258 & 0x0000000F);
}
#endif
#if NRF52_ERRATA_120_ENABLE_WORKAROUND
/* 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/index.jsp */
if (nrf52_errata_120()){
*(volatile uint32_t *)0x40029640ul = 0x200ul;
}
#endif
#if NRF52_ERRATA_136_ENABLE_WORKAROUND
/* 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/index.jsp */
if (nrf52_errata_136()){
if (NRF_POWER->RESETREAS & POWER_RESETREAS_RESETPIN_Msk){
NRF_POWER->RESETREAS = ~POWER_RESETREAS_RESETPIN_Msk;
}
}
#endif
#if NRF52_ERRATA_182_ENABLE_WORKAROUND
/* Workaround for Errata 182 "RADIO: Fixes for anomalies #102, #106, and #107 do not take effect" found at the Errata document
for your device located at https://infocenter.nordicsemi.com/index.jsp */
if (nrf52_errata_182()){
*(volatile uint32_t *) 0x4000173C |= (0x1 << 10);
}
#endif
#if NRF52_ERRATA_217_ENABLE_WORKAROUND
/* Workaround for Errata 217 "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/index.jsp */
if (nrf52_errata_217()){
*(volatile uint32_t *)0x40000EE4ul |= 0x0000000Ful;
}
#endif
/* 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
nrf52_handle_approtect();
#if NRF52_CONFIGURATION_249_ENABLE && (defined(NRF52805_XXAA) || defined(NRF52810_XXAA) || defined(NRF52811_XXAA))
if (nrf52_configuration_249() && (NRF_UICR->NRFMDK[0] == 0xFFFFFFFF || NRF_UICR->NRFMDK[1] == 0xFFFFFFFF))
{
nvmc_config(NVMC_CONFIG_WEN_Wen);
NRF_UICR->NRFMDK[0] = 0;
nvmc_wait();
NRF_UICR->NRFMDK[1] = 0;
nvmc_wait();
nvmc_config(NVMC_CONFIG_WEN_Ren);
}
#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) && defined(NFCT_PRESENT)
if ((NRF_UICR->NFCPINS & UICR_NFCPINS_PROTECT_Msk) == (UICR_NFCPINS_PROTECT_NFC << UICR_NFCPINS_PROTECT_Pos)){
nvmc_config(NVMC_CONFIG_WEN_Wen);
NRF_UICR->NFCPINS &= ~UICR_NFCPINS_PROTECT_Msk;
nvmc_wait();
nvmc_config(NVMC_CONFIG_WEN_Ren);
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))){
nvmc_config(NVMC_CONFIG_WEN_Wen);
NRF_UICR->PSELRESET[0] = RESET_PIN;
nvmc_wait();
NRF_UICR->PSELRESET[1] = RESET_PIN;
nvmc_wait();
nvmc_config(NVMC_CONFIG_WEN_Ren);
NVIC_SystemReset();
}
#endif
/* When developing for nRF52810 on an nRF52832, or nRF52811 on an nRF52840,
make sure NFC pins are mapped as GPIO. */
#if defined (DEVELOP_IN_NRF52832) && defined(NRF52810_XXAA) \
|| defined (DEVELOP_IN_NRF52840) && defined(NRF52811_XXAA)
if ((*((uint32_t *)0x1000120C) & (1 << 0)) != 0){
nvmc_config(NVMC_CONFIG_WEN_Wen);
*((uint32_t *)0x1000120C) = 0;
nvmc_wait();
nvmc_config(NVMC_CONFIG_WEN_Ren);
NVIC_SystemReset();
}
#endif
SystemCoreClockUpdate();
}

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app/RTE/_nrf52833_xxaa/RTE_Components.h
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/*
* Auto generated Run-Time-Environment Configuration File
* *** Do not modify ! ***
*
* Project: 'app'
* Target: 'nrf52833_xxaa'
*/
#ifndef RTE_COMPONENTS_H
#define RTE_COMPONENTS_H
/*
* Define the Device Header File:
*/
#define CMSIS_device_header "nrf.h"
#endif /* RTE_COMPONENTS_H */

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app/config/sdk_config.h
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app/main.c
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/**
* Copyright (c) 2014 - 2021, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/** @file
*
* @defgroup ble_sdk_uart_over_ble_main main.c
* @{
* @ingroup ble_sdk_app_nus_eval
* @brief UART over BLE application main file.
*
* This file contains the source code for a sample application that uses the Nordic UART service.
* This application uses the @ref srvlib_conn_params module.
*/
#include <stdint.h>
#include <string.h>
#include "nordic_common.h"
#include "nrf.h"
#include "ble_hci.h"
#include "ble_advdata.h"
#include "ble_advertising.h"
#include "ble_conn_params.h"
#include "nrf_sdh.h"
#include "nrf_sdh_soc.h"
#include "nrf_sdh_ble.h"
#include "nrf_ble_gatt.h"
#include "nrf_ble_qwr.h"
#include "app_timer.h"
#include "ble_nus.h"
#include "app_uart.h"
#include "app_util_platform.h"
#include "bsp_btn_ble.h"
#include "nrf_pwr_mgmt.h"
#if defined (UART_PRESENT)
#include "nrf_uart.h"
#endif
#if defined (UARTE_PRESENT)
#include "nrf_uarte.h"
#endif
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"
#define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */
#define DEVICE_NAME "Nordic_UART" /**< Name of device. Will be included in the advertising data. */
#define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */
#define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */
#define APP_ADV_INTERVAL 64 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 40 ms). */
#define APP_ADV_DURATION 18000 /**< The advertising duration (180 seconds) in units of 10 milliseconds. */
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(20, UNIT_1_25_MS) /**< Minimum acceptable connection interval (20 ms), Connection interval uses 1.25 ms units. */
#define MAX_CONN_INTERVAL MSEC_TO_UNITS(75, UNIT_1_25_MS) /**< Maximum acceptable connection interval (75 ms), Connection interval uses 1.25 ms units. */
#define SLAVE_LATENCY 0 /**< Slave latency. */
#define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Connection supervisory timeout (4 seconds), Supervision Timeout uses 10 ms units. */
#define FIRST_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(5000) /**< Time from initiating event (connect or start of notification) to first time sd_ble_gap_conn_param_update is called (5 seconds). */
#define NEXT_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(30000) /**< Time between each call to sd_ble_gap_conn_param_update after the first call (30 seconds). */
#define MAX_CONN_PARAMS_UPDATE_COUNT 3 /**< Number of attempts before giving up the connection parameter negotiation. */
#define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */
#define UART_TX_BUF_SIZE 256 /**< UART TX buffer size. */
#define UART_RX_BUF_SIZE 256 /**< UART RX buffer size. */
BLE_NUS_DEF(m_nus, NRF_SDH_BLE_TOTAL_LINK_COUNT); /**< BLE NUS service instance. */
NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */
NRF_BLE_QWR_DEF(m_qwr); /**< Context for the Queued Write module.*/
BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */
static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */
static uint16_t m_ble_nus_max_data_len = BLE_GATT_ATT_MTU_DEFAULT - 3; /**< Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. */
static ble_uuid_t m_adv_uuids[] = /**< Universally unique service identifier. */
{
{BLE_UUID_NUS_SERVICE, NUS_SERVICE_UUID_TYPE}
};
/**@brief Function for assert macro callback.
*
* @details This function will be called in case of an assert in the SoftDevice.
*
* @warning This handler is an example only and does not fit a final product. You need to analyse
* how your product is supposed to react in case of Assert.
* @warning On assert from the SoftDevice, the system can only recover on reset.
*
* @param[in] line_num Line number of the failing ASSERT call.
* @param[in] p_file_name File name of the failing ASSERT call.
*/
void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name)
{
app_error_handler(DEAD_BEEF, line_num, p_file_name);
}
/**@brief Function for initializing the timer module.
*/
static void timers_init(void)
{
ret_code_t err_code = app_timer_init();
APP_ERROR_CHECK(err_code);
}
/**@brief Function for the GAP initialization.
*
* @details This function will set up all the necessary GAP (Generic Access Profile) parameters of
* the device. It also sets the permissions and appearance.
*/
static void gap_params_init(void)
{
uint32_t err_code;
ble_gap_conn_params_t gap_conn_params;
ble_gap_conn_sec_mode_t sec_mode;
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);
err_code = sd_ble_gap_device_name_set(&sec_mode,
(const uint8_t *) DEVICE_NAME,
strlen(DEVICE_NAME));
APP_ERROR_CHECK(err_code);
memset(&gap_conn_params, 0, sizeof(gap_conn_params));
gap_conn_params.min_conn_interval = MIN_CONN_INTERVAL;
gap_conn_params.max_conn_interval = MAX_CONN_INTERVAL;
gap_conn_params.slave_latency = SLAVE_LATENCY;
gap_conn_params.conn_sup_timeout = CONN_SUP_TIMEOUT;
err_code = sd_ble_gap_ppcp_set(&gap_conn_params);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling Queued Write Module errors.
*
* @details A pointer to this function will be passed to each service which may need to inform the
* application about an error.
*
* @param[in] nrf_error Error code containing information about what went wrong.
*/
static void nrf_qwr_error_handler(uint32_t nrf_error)
{
APP_ERROR_HANDLER(nrf_error);
}
/**@brief Function for handling the data from the Nordic UART Service.
*
* @details This function will process the data received from the Nordic UART BLE Service and send
* it to the UART module.
*
* @param[in] p_evt Nordic UART Service event.
*/
/**@snippet [Handling the data received over BLE] */
static void nus_data_handler(ble_nus_evt_t * p_evt)
{
if (p_evt->type == BLE_NUS_EVT_RX_DATA)
{
uint32_t err_code;
NRF_LOG_DEBUG("Received data from BLE NUS. Writing data on UART.");
NRF_LOG_HEXDUMP_DEBUG(p_evt->params.rx_data.p_data, p_evt->params.rx_data.length);
for (uint32_t i = 0; i < p_evt->params.rx_data.length; i++)
{
do
{
err_code = app_uart_put(p_evt->params.rx_data.p_data[i]);
if ((err_code != NRF_SUCCESS) && (err_code != NRF_ERROR_BUSY))
{
NRF_LOG_ERROR("Failed receiving NUS message. Error 0x%x. ", err_code);
APP_ERROR_CHECK(err_code);
}
} while (err_code == NRF_ERROR_BUSY);
}
if (p_evt->params.rx_data.p_data[p_evt->params.rx_data.length - 1] == '\r')
{
while (app_uart_put('\n') == NRF_ERROR_BUSY);
}
}
}
/**@snippet [Handling the data received over BLE] */
/**@brief Function for initializing services that will be used by the application.
*/
static void services_init(void)
{
uint32_t err_code;
ble_nus_init_t nus_init;
nrf_ble_qwr_init_t qwr_init = {0};
// Initialize Queued Write Module.
qwr_init.error_handler = nrf_qwr_error_handler;
err_code = nrf_ble_qwr_init(&m_qwr, &qwr_init);
APP_ERROR_CHECK(err_code);
// Initialize NUS.
memset(&nus_init, 0, sizeof(nus_init));
nus_init.data_handler = nus_data_handler;
err_code = ble_nus_init(&m_nus, &nus_init);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling an event from the Connection Parameters Module.
*
* @details This function will be called for all events in the Connection Parameters Module
* which are passed to the application.
*
* @note All this function does is to disconnect. This could have been done by simply setting
* the disconnect_on_fail config parameter, but instead we use the event handler
* mechanism to demonstrate its use.
*
* @param[in] p_evt Event received from the Connection Parameters Module.
*/
static void on_conn_params_evt(ble_conn_params_evt_t * p_evt)
{
uint32_t err_code;
if (p_evt->evt_type == BLE_CONN_PARAMS_EVT_FAILED)
{
err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_CONN_INTERVAL_UNACCEPTABLE);
APP_ERROR_CHECK(err_code);
}
}
/**@brief Function for handling errors from the Connection Parameters module.
*
* @param[in] nrf_error Error code containing information about what went wrong.
*/
static void conn_params_error_handler(uint32_t nrf_error)
{
APP_ERROR_HANDLER(nrf_error);
}
/**@brief Function for initializing the Connection Parameters module.
*/
static void conn_params_init(void)
{
uint32_t err_code;
ble_conn_params_init_t cp_init;
memset(&cp_init, 0, sizeof(cp_init));
cp_init.p_conn_params = NULL;
cp_init.first_conn_params_update_delay = FIRST_CONN_PARAMS_UPDATE_DELAY;
cp_init.next_conn_params_update_delay = NEXT_CONN_PARAMS_UPDATE_DELAY;
cp_init.max_conn_params_update_count = MAX_CONN_PARAMS_UPDATE_COUNT;
cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID;
cp_init.disconnect_on_fail = false;
cp_init.evt_handler = on_conn_params_evt;
cp_init.error_handler = conn_params_error_handler;
err_code = ble_conn_params_init(&cp_init);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for putting the chip into sleep mode.
*
* @note This function will not return.
*/
static void sleep_mode_enter(void)
{
uint32_t err_code = bsp_indication_set(BSP_INDICATE_IDLE);
APP_ERROR_CHECK(err_code);
// Prepare wakeup buttons.
err_code = bsp_btn_ble_sleep_mode_prepare();
APP_ERROR_CHECK(err_code);
// Go to system-off mode (this function will not return; wakeup will cause a reset).
err_code = sd_power_system_off();
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling advertising events.
*
* @details This function will be called for advertising events which are passed to the application.
*
* @param[in] ble_adv_evt Advertising event.
*/
static void on_adv_evt(ble_adv_evt_t ble_adv_evt)
{
uint32_t err_code;
switch (ble_adv_evt)
{
case BLE_ADV_EVT_FAST:
err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING);
APP_ERROR_CHECK(err_code);
break;
case BLE_ADV_EVT_IDLE:
sleep_mode_enter();
break;
default:
break;
}
}
/**@brief Function for handling BLE events.
*
* @param[in] p_ble_evt Bluetooth stack event.
* @param[in] p_context Unused.
*/
static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context)
{
uint32_t err_code;
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_CONNECTED:
NRF_LOG_INFO("Connected");
err_code = bsp_indication_set(BSP_INDICATE_CONNECTED);
APP_ERROR_CHECK(err_code);
m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
err_code = nrf_ble_qwr_conn_handle_assign(&m_qwr, m_conn_handle);
APP_ERROR_CHECK(err_code);
break;
case BLE_GAP_EVT_DISCONNECTED:
NRF_LOG_INFO("Disconnected");
// LED indication will be changed when advertising starts.
m_conn_handle = BLE_CONN_HANDLE_INVALID;
break;
case BLE_GAP_EVT_PHY_UPDATE_REQUEST:
{
NRF_LOG_DEBUG("PHY update request.");
ble_gap_phys_t const phys =
{
.rx_phys = BLE_GAP_PHY_AUTO,
.tx_phys = BLE_GAP_PHY_AUTO,
};
err_code = sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys);
APP_ERROR_CHECK(err_code);
} break;
case BLE_GAP_EVT_SEC_PARAMS_REQUEST:
// Pairing not supported
err_code = sd_ble_gap_sec_params_reply(m_conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL);
APP_ERROR_CHECK(err_code);
break;
case BLE_GATTS_EVT_SYS_ATTR_MISSING:
// No system attributes have been stored.
err_code = sd_ble_gatts_sys_attr_set(m_conn_handle, NULL, 0, 0);
APP_ERROR_CHECK(err_code);
break;
case BLE_GATTC_EVT_TIMEOUT:
// Disconnect on GATT Client timeout event.
err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gattc_evt.conn_handle,
BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
APP_ERROR_CHECK(err_code);
break;
case BLE_GATTS_EVT_TIMEOUT:
// Disconnect on GATT Server timeout event.
err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gatts_evt.conn_handle,
BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
APP_ERROR_CHECK(err_code);
break;
default:
// No implementation needed.
break;
}
}
/**@brief Function for the SoftDevice initialization.
*
* @details This function initializes the SoftDevice and the BLE event interrupt.
*/
static void ble_stack_init(void)
{
ret_code_t err_code;
err_code = nrf_sdh_enable_request();
APP_ERROR_CHECK(err_code);
// Configure the BLE stack using the default settings.
// Fetch the start address of the application RAM.
uint32_t ram_start = 0;
err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start);
APP_ERROR_CHECK(err_code);
// Enable BLE stack.
err_code = nrf_sdh_ble_enable(&ram_start);
APP_ERROR_CHECK(err_code);
// Register a handler for BLE events.
NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL);
}
/**@brief Function for handling events from the GATT library. */
void gatt_evt_handler(nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_t const * p_evt)
{
if ((m_conn_handle == p_evt->conn_handle) && (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED))
{
m_ble_nus_max_data_len = p_evt->params.att_mtu_effective - OPCODE_LENGTH - HANDLE_LENGTH;
NRF_LOG_INFO("Data len is set to 0x%X(%d)", m_ble_nus_max_data_len, m_ble_nus_max_data_len);
}
NRF_LOG_DEBUG("ATT MTU exchange completed. central 0x%x peripheral 0x%x",
p_gatt->att_mtu_desired_central,
p_gatt->att_mtu_desired_periph);
}
/**@brief Function for initializing the GATT library. */
void gatt_init(void)
{
ret_code_t err_code;
err_code = nrf_ble_gatt_init(&m_gatt, gatt_evt_handler);
APP_ERROR_CHECK(err_code);
err_code = nrf_ble_gatt_att_mtu_periph_set(&m_gatt, NRF_SDH_BLE_GATT_MAX_MTU_SIZE);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling events from the BSP module.
*
* @param[in] event Event generated by button press.
*/
void bsp_event_handler(bsp_event_t event)
{
uint32_t err_code;
switch (event)
{
case BSP_EVENT_SLEEP:
sleep_mode_enter();
break;
case BSP_EVENT_DISCONNECT:
err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
break;
case BSP_EVENT_WHITELIST_OFF:
if (m_conn_handle == BLE_CONN_HANDLE_INVALID)
{
err_code = ble_advertising_restart_without_whitelist(&m_advertising);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
}
break;
default:
break;
}
}
/**@brief Function for handling app_uart events.
*
* @details This function will receive a single character from the app_uart module and append it to
* a string. The string will be be sent over BLE when the last character received was a
* 'new line' '\n' (hex 0x0A) or if the string has reached the maximum data length.
*/
/**@snippet [Handling the data received over UART] */
void uart_event_handle(app_uart_evt_t * p_event)
{
static uint8_t data_array[BLE_NUS_MAX_DATA_LEN];
static uint8_t index = 0;
uint32_t err_code;
switch (p_event->evt_type)
{
case APP_UART_DATA_READY:
UNUSED_VARIABLE(app_uart_get(&data_array[index]));
index++;
if ((data_array[index - 1] == '\n') ||
(data_array[index - 1] == '\r') ||
(index >= m_ble_nus_max_data_len))
{
if (index > 1)
{
NRF_LOG_DEBUG("Ready to send data over BLE NUS");
NRF_LOG_HEXDUMP_DEBUG(data_array, index);
do
{
uint16_t length = (uint16_t)index;
err_code = ble_nus_data_send(&m_nus, data_array, &length, m_conn_handle);
if ((err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != NRF_ERROR_RESOURCES) &&
(err_code != NRF_ERROR_NOT_FOUND))
{
APP_ERROR_CHECK(err_code);
}
} while (err_code == NRF_ERROR_RESOURCES);
}
index = 0;
}
break;
case APP_UART_COMMUNICATION_ERROR:
APP_ERROR_HANDLER(p_event->data.error_communication);
break;
case APP_UART_FIFO_ERROR:
APP_ERROR_HANDLER(p_event->data.error_code);
break;
default:
break;
}
}
/**@snippet [Handling the data received over UART] */
/**@brief Function for initializing the UART module.
*/
/**@snippet [UART Initialization] */
static void uart_init(void)
{
uint32_t err_code;
app_uart_comm_params_t const comm_params =
{
.rx_pin_no = RX_PIN_NUMBER,
.tx_pin_no = TX_PIN_NUMBER,
.rts_pin_no = RTS_PIN_NUMBER,
.cts_pin_no = CTS_PIN_NUMBER,
.flow_control = APP_UART_FLOW_CONTROL_DISABLED,
.use_parity = false,
#if defined (UART_PRESENT)
.baud_rate = NRF_UART_BAUDRATE_115200
#else
.baud_rate = NRF_UARTE_BAUDRATE_115200
#endif
};
APP_UART_FIFO_INIT(&comm_params,
UART_RX_BUF_SIZE,
UART_TX_BUF_SIZE,
uart_event_handle,
APP_IRQ_PRIORITY_LOWEST,
err_code);
APP_ERROR_CHECK(err_code);
}
/**@snippet [UART Initialization] */
/**@brief Function for initializing the Advertising functionality.
*/
static void advertising_init(void)
{
uint32_t err_code;
ble_advertising_init_t init;
memset(&init, 0, sizeof(init));
init.advdata.name_type = BLE_ADVDATA_FULL_NAME;
init.advdata.include_appearance = false;
init.advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_LIMITED_DISC_MODE;
init.srdata.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]);
init.srdata.uuids_complete.p_uuids = m_adv_uuids;
init.config.ble_adv_fast_enabled = true;
init.config.ble_adv_fast_interval = APP_ADV_INTERVAL;
init.config.ble_adv_fast_timeout = APP_ADV_DURATION;
init.evt_handler = on_adv_evt;
err_code = ble_advertising_init(&m_advertising, &init);
APP_ERROR_CHECK(err_code);
ble_advertising_conn_cfg_tag_set(&m_advertising, APP_BLE_CONN_CFG_TAG);
}
/**@brief Function for initializing buttons and leds.
*
* @param[out] p_erase_bonds Will be true if the clear bonding button was pressed to wake the application up.
*/
static void buttons_leds_init(bool * p_erase_bonds)
{
bsp_event_t startup_event;
uint32_t err_code = bsp_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS, bsp_event_handler);
APP_ERROR_CHECK(err_code);
err_code = bsp_btn_ble_init(NULL, &startup_event);
APP_ERROR_CHECK(err_code);
*p_erase_bonds = (startup_event == BSP_EVENT_CLEAR_BONDING_DATA);
}
/**@brief Function for initializing the nrf log module.
*/
static void log_init(void)
{
ret_code_t err_code = NRF_LOG_INIT(NULL);
APP_ERROR_CHECK(err_code);
NRF_LOG_DEFAULT_BACKENDS_INIT();
}
/**@brief Function for initializing power management.
*/
static void power_management_init(void)
{
ret_code_t err_code;
err_code = nrf_pwr_mgmt_init();
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling the idle state (main loop).
*
* @details If there is no pending log operation, then sleep until next the next event occurs.
*/
static void idle_state_handle(void)
{
if (NRF_LOG_PROCESS() == false)
{
nrf_pwr_mgmt_run();
}
}
/**@brief Function for starting advertising.
*/
static void advertising_start(void)
{
uint32_t err_code = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST);
APP_ERROR_CHECK(err_code);
}
/**@brief Application main function.
*/
int main(void)
{
bool erase_bonds;
// Initialize.
uart_init();
log_init();
timers_init();
buttons_leds_init(&erase_bonds);
power_management_init();
ble_stack_init();
gap_params_init();
gatt_init();
services_init();
advertising_init();
conn_params_init();
// Start execution.
printf("\r\nUART started.\r\n");
NRF_LOG_INFO("Debug logging for UART over RTT started.");
advertising_start();
// Enter main loop.
for (;;)
{
idle_state_handle();
}
}
/**
* @}
*/

2
sdk

@ -1 +1 @@
Subproject commit 55d0fc77bc8a97141135856bcfc94987bb6a1c10
Subproject commit 458363107275ea8f80171b824a634780a1d84eb3
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