p_dynamic_electrocardiograph
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three_lead_ecg
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update

3lead_uart_test_ok_version
zhaohe 1 year ago
parent
e83ea1c4b3
commit
e85cb26567
12 changed files with 23743 additions and 20 deletions
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  1. 4
      app/main.c
  2. 54
      app/src/basic/ads1293/ads1293.c
  3. 15
      app/src/basic/ads1293/ads1293.h
  4. 21
      app/src/three_lead/three_lead_board.c
  5. 379
      ble_app_uart_c/RTE/Device/nRF52833_xxAA/arm_startup_nrf52833.s
  6. 329
      ble_app_uart_c/RTE/Device/nRF52833_xxAA/system_nrf52.c
  7. 14
      ble_app_uart_c/ble_app_uart_c.eww
  8. 1860
      ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvguix.h_zha
  9. 1108
      ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvoptx
  10. 7257
      ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvprojx
  11. 12041
      ble_app_uart_c/config/sdk_config.h
  12. 681
      ble_app_uart_c/main.c

4
app/main.c
View File

@ -213,7 +213,7 @@ void main() {
/******************************************************************************* /*******************************************************************************
* 蓝牙测试 * * 蓝牙测试 *
*******************************************************************************/ *******************************************************************************/
#if 0
#if 1
extern uint32_t g_nrf_log_tx_pin; extern uint32_t g_nrf_log_tx_pin;
APP_TIMER_DEF(m_test_tx_timer); APP_TIMER_DEF(m_test_tx_timer);
@ -402,7 +402,7 @@ void main() {
} }
#endif #endif
#if 1
#if 0
/******************************************************************************* /*******************************************************************************
* 3导联-flash测试 * * 3导联-flash测试 *
*******************************************************************************/ *******************************************************************************/

54
app/src/basic/ads1293/ads1293.c
View File

@ -13,44 +13,44 @@
static uint8_t txcache[256]; static uint8_t txcache[256];
static uint8_t rxcache[256]; static uint8_t rxcache[256];
void ads1293_spi_init(ads1293_t* ch, ads1293_spi_tx_rx_t spi_tx_rx) { ch->spi_tx_rx = spi_tx_rx; }
void ads1293_spi_init(ads1293_t* ads, ads1293_spi_tx_rx_t spi_tx_rx) { ads->spi_tx_rx = spi_tx_rx; }
void ads1293_spi_writereg(ads1293_t* ch, uint8_t addr, uint8_t data) {
void ads1293_spi_writereg(ads1293_t* ads, uint8_t addr, uint8_t data) {
uint8_t txcache[2]; uint8_t txcache[2];
txcache[0] = ADS1293_WRITE_BIT & addr; txcache[0] = ADS1293_WRITE_BIT & addr;
txcache[1] = data; txcache[1] = data;
ch->spi_tx_rx(txcache, NULL, 2);
ads->spi_tx_rx(txcache, NULL, 2);
} }
uint8_t ads1293_spi_readreg(ads1293_t* ch, uint8_t addr) {
uint8_t ads1293_spi_readreg(ads1293_t* ads, uint8_t addr) {
uint8_t txcache[2]; uint8_t txcache[2];
txcache[0] = ADS1293_READ_BIT | addr; txcache[0] = ADS1293_READ_BIT | addr;
txcache[1] = 0; txcache[1] = 0;
uint8_t rxcache[2]; uint8_t rxcache[2];
ch->spi_tx_rx(txcache, rxcache, 2);
ads->spi_tx_rx(txcache, rxcache, 2);
return rxcache[1]; return rxcache[1];
} }
void ads1293_spi_autoinc_writereg(ads1293_t* ch, uint8_t addr, uint8_t* data, uint8_t len) { //
void ads1293_spi_autoinc_writereg(ads1293_t* ads, uint8_t addr, uint8_t* data, uint8_t len) { //
len = len > 255 ? 255 : len; len = len > 255 ? 255 : len;
uint8_t addbyte = ADS1293_WRITE_BIT & addr; uint8_t addbyte = ADS1293_WRITE_BIT & addr;
txcache[0] = addbyte; txcache[0] = addbyte;
memcpy(txcache + 1, data, len); memcpy(txcache + 1, data, len);
ch->spi_tx_rx(txcache, NULL, len + 1);
ads->spi_tx_rx(txcache, NULL, len + 1);
} }
void ads1293_spi_autoinc_readreg(ads1293_t* ch, uint8_t addr, uint8_t* data, uint8_t len) {
void ads1293_spi_autoinc_readreg(ads1293_t* ads, uint8_t addr, uint8_t* data, uint8_t len) {
len = len > 255 ? 255 : len; len = len > 255 ? 255 : len;
uint8_t addbyte = ADS1293_READ_BIT | addr; uint8_t addbyte = ADS1293_READ_BIT | addr;
txcache[0] = addbyte; txcache[0] = addbyte;
memset(txcache + 1, 0, len); memset(txcache + 1, 0, len);
ch->spi_tx_rx(txcache, rxcache, len + 1);
ads->spi_tx_rx(txcache, rxcache, len + 1);
memcpy(data, rxcache + 1, len); memcpy(data, rxcache + 1, len);
} }
void ads1293_spi_stream_readreg(ads1293_t* ch, uint8_t* data, uint8_t len) {
void ads1293_spi_stream_readreg(ads1293_t* ads, uint8_t* data, uint8_t len) {
len = len > 255 ? 255 : len; len = len > 255 ? 255 : len;
memset(txcache, 0, len); memset(txcache, 0, len);
@ -58,6 +58,38 @@ void ads1293_spi_stream_readreg(ads1293_t* ch, uint8_t* data, uint8_t len) {
uint8_t addbyte = ADS1293_READ_BIT | TI_ADS1293_DATA_LOOP_REG; uint8_t addbyte = ADS1293_READ_BIT | TI_ADS1293_DATA_LOOP_REG;
ch->spi_tx_rx(&addbyte, rxcache, len);
ads->spi_tx_rx(&addbyte, rxcache, len);
memcpy(data, rxcache, len); memcpy(data, rxcache, len);
} }
void ads1293_read_ecg(ads1293_t* ads, uint32_t ch, uint32_t* data) {
uint8_t add = 0;
if (ch == 1) {
add = TI_ADS1293_DATA_CH1_ECG_H_REG;
} else if (ch == 2) {
add = TI_ADS1293_DATA_CH2_ECG_H_REG;
} else if (ch == 3) {
add = TI_ADS1293_DATA_CH3_ECG_H_REG;
} else {
return;
}
uint8_t readbak[3] = {0};
ads1293_spi_autoinc_readreg(ads, add, readbak, 3);
*data = 0;
*data = (readbak[0] << 16) + (readbak[0] << 8) + (readbak[0] << 0);
}
void ads1293_start_conversion(ads1293_t* ads) {
uint8_t data = 0;
data = 0x01;
ads1293_spi_writereg(ads, TI_ADS1293_CONFIG_REG, data);
}
void ads1293_start_power_off(ads1293_t* ads) {
uint8_t data = 0;
data |= 0x01 << 2;
ads1293_spi_writereg(ads, TI_ADS1293_CONFIG_REG, data);
}
uint8_t ads1293_read_error_lod(ads1293_t* ads) { return ads1293_spi_readreg(ads, TI_ADS1293_ERROR_LOD_REG); }

15
app/src/basic/ads1293/ads1293.h
View File

@ -107,13 +107,16 @@ typedef struct {
ads1293_spi_tx_rx_t spi_tx_rx; ads1293_spi_tx_rx_t spi_tx_rx;
} ads1293_t; } ads1293_t;
void ads1293_spi_init(ads1293_t* ch, ads1293_spi_tx_rx_t spi_tx_rx);
void ads1293_spi_init(ads1293_t* ads, ads1293_spi_tx_rx_t spi_tx_rx);
void ads1293_spi_writereg(ads1293_t* ch, uint8_t addr, uint8_t data);
uint8_t ads1293_spi_readreg(ads1293_t* ch, uint8_t addr);
void ads1293_spi_writereg(ads1293_t* ads, uint8_t addr, uint8_t data);
uint8_t ads1293_spi_readreg(ads1293_t* ads, uint8_t addr);
void ads1293_spi_autoinc_writereg(ads1293_t* ch, uint8_t addr, uint8_t* data, uint8_t len);
void ads1293_spi_autoinc_readreg(ads1293_t* ch, uint8_t addr, uint8_t* data, uint8_t len);
void ads1293_spi_stream_readreg(ads1293_t* ch, uint8_t* data, uint8_t len);
void ads1293_spi_autoinc_writereg(ads1293_t* ads, uint8_t addr, uint8_t* data, uint8_t len);
void ads1293_spi_autoinc_readreg(ads1293_t* ads, uint8_t addr, uint8_t* data, uint8_t len);
void ads1293_spi_stream_readreg(ads1293_t* ads, uint8_t* data, uint8_t len);
void ads1293_read_ecg(ads1293_t* ads, uint32_t ch, uint32_t* data);
uint8_t ads1293_read_error_lod(ads1293_t* ads);
#endif // HEADER_FILE_TI_ADS1293_H #endif // HEADER_FILE_TI_ADS1293_H

21
app/src/three_lead/three_lead_board.c
View File

@ -411,7 +411,7 @@ void ThreeLeadECG_ecg_init() {
spi_config.miso_pin = ADS1293_SPI_MISO_PIN; spi_config.miso_pin = ADS1293_SPI_MISO_PIN;
spi_config.mosi_pin = ADS1293_SPI_MOSI_PIN; spi_config.mosi_pin = ADS1293_SPI_MOSI_PIN;
spi_config.sck_pin = ADS1293_SPI_SCK_PIN; spi_config.sck_pin = ADS1293_SPI_SCK_PIN;
spi_config.frequency = NRF_DRV_SPI_FREQ_1M;
spi_config.frequency = NRF_DRV_SPI_FREQ_8M;
spi_config.mode = NRF_DRV_SPI_MODE_3; spi_config.mode = NRF_DRV_SPI_MODE_3;
// spi_config.mode = // spi_config.mode =
ZERROR_CHECK(nrf_drv_spi_init(&spi, &spi_config, NULL, NULL)); ZERROR_CHECK(nrf_drv_spi_init(&spi, &spi_config, NULL, NULL));
@ -436,6 +436,25 @@ void ThreeLeadECG_ecg_init() {
} }
uint32_t ThreeLeadECG_ready_pin_state_get() { return nrf_gpio_pin_read(ADS1293_READY_PIN); } uint32_t ThreeLeadECG_ready_pin_state_get() { return nrf_gpio_pin_read(ADS1293_READY_PIN); }
uint32_t ThreeLeadECG_ads1293_init() {}
void ThreeLeadECG_ads1293_start_convert() {
ads1293_spi_writereg(&m_ads1293_0, TI_ADS1293_CONFIG_REG, 0x01);
ads1293_spi_writereg(&m_ads1293_1, TI_ADS1293_CONFIG_REG, 0x01);
}
void ThreeLeadECG_ads1293_get_lod_state(uint16_t* state) { //
uint8_t lod0 = ads1293_read_error_lod(&m_ads1293_0);
uint8_t lod1 = ads1293_read_error_lod(&m_ads1293_1);
*state = (lod0) | (lod1 << 8);
}
void ThreeLeadECG_ads1293_sample(uint32_t* sample0, uint32_t* sample1, uint32_t* sample2) {
// *sample0
ads1293_read_ecg(&m_ads1293_0, 0, sample0);
ads1293_read_ecg(&m_ads1293_0, 1, sample1);
ads1293_read_ecg(&m_ads1293_0, 2, sample2);
}
void ThreeLeadECG_LineInputDet_init() { void ThreeLeadECG_LineInputDet_init() {
// LINE_DET_PIN // LINE_DET_PIN
nrf_gpio_cfg_input(LINE_DET_PIN, NRF_GPIO_PIN_PULLUP); nrf_gpio_cfg_input(LINE_DET_PIN, NRF_GPIO_PIN_PULLUP);

379
ble_app_uart_c/RTE/Device/nRF52833_xxAA/arm_startup_nrf52833.s
View File

@ -0,0 +1,379 @@
; 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
ble_app_uart_c/RTE/Device/nRF52833_xxAA/system_nrf52.c
View File

@ -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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<workspace> <project>
<path>$WS_DIR$\pca10040\s132\iar\ble_app_uart_c_pca10040_s132.ewp</path>
</project> <project>
<path>$WS_DIR$\pca10056\s140\iar\ble_app_uart_c_pca10056_s140.ewp</path>
</project> <project>
<path>$WS_DIR$\pca10100\s122\iar\ble_app_uart_c_pca10100_s122.ewp</path>
</project> <project>
<path>$WS_DIR$\pca10100e\s122\iar\ble_app_uart_c_pca10100e_s122.ewp</path>
</project> <project>
<path>$WS_DIR$\pca10100e\s140\iar\ble_app_uart_c_pca10100e_s140.ewp</path>
</project> <batchBuild/>
</workspace>

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/**
* Copyright (c) 2016 - 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.
*
*/
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include "nordic_common.h"
#include "app_error.h"
#include "app_uart.h"
#include "ble_db_discovery.h"
#include "app_timer.h"
#include "app_util.h"
#include "bsp_btn_ble.h"
#include "ble.h"
#include "ble_gap.h"
#include "ble_hci.h"
#include "nrf_sdh.h"
#include "nrf_sdh_ble.h"
#include "nrf_sdh_soc.h"
#include "ble_nus_c.h"
#include "nrf_ble_gatt.h"
#include "nrf_pwr_mgmt.h"
#include "nrf_ble_scan.h"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"
#define APP_BLE_CONN_CFG_TAG 1 /**< Tag that refers to the BLE stack configuration set with @ref sd_ble_cfg_set. The default tag is @ref BLE_CONN_CFG_TAG_DEFAULT. */
#define APP_BLE_OBSERVER_PRIO 3 /**< BLE observer priority of the application. There is no need to modify this value. */
#define UART_TX_BUF_SIZE 256 /**< UART TX buffer size. */
#define UART_RX_BUF_SIZE 256 /**< UART RX buffer size. */
#define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */
#define ECHOBACK_BLE_UART_DATA 1 /**< Echo the UART data that is received over the Nordic UART Service (NUS) back to the sender. */
BLE_NUS_C_DEF(m_ble_nus_c); /**< BLE Nordic UART Service (NUS) client instance. */
NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */
BLE_DB_DISCOVERY_DEF(m_db_disc); /**< Database discovery module instance. */
NRF_BLE_SCAN_DEF(m_scan); /**< Scanning Module instance. */
NRF_BLE_GQ_DEF(m_ble_gatt_queue, /**< BLE GATT Queue instance. */
NRF_SDH_BLE_CENTRAL_LINK_COUNT,
NRF_BLE_GQ_QUEUE_SIZE);
static uint16_t m_ble_nus_max_data_len = BLE_GATT_ATT_MTU_DEFAULT - OPCODE_LENGTH - HANDLE_LENGTH; /**< Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. */
/**@brief NUS UUID. */
static ble_uuid_t const m_nus_uuid =
{
.uuid = BLE_UUID_NUS_SERVICE,
.type = NUS_SERVICE_UUID_TYPE
};
/**@brief Function for handling asserts in the SoftDevice.
*
* @details This function is called in case of an assert in the SoftDevice.
*
* @warning This handler is only an example and is not meant for the final product. You need to analyze
* 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(0xDEADBEEF, line_num, p_file_name);
}
/**@brief Function for handling the Nordic UART Service Client errors.
*
* @param[in] nrf_error Error code containing information about what went wrong.
*/
static void nus_error_handler(uint32_t nrf_error)
{
APP_ERROR_HANDLER(nrf_error);
}
/**@brief Function to start scanning. */
static void scan_start(void)
{
ret_code_t ret;
ret = nrf_ble_scan_start(&m_scan);
APP_ERROR_CHECK(ret);
ret = bsp_indication_set(BSP_INDICATE_SCANNING);
APP_ERROR_CHECK(ret);
}
/**@brief Function for handling Scanning Module events.
*/
static void scan_evt_handler(scan_evt_t const * p_scan_evt)
{
ret_code_t err_code;
switch(p_scan_evt->scan_evt_id)
{
case NRF_BLE_SCAN_EVT_CONNECTING_ERROR:
{
err_code = p_scan_evt->params.connecting_err.err_code;
APP_ERROR_CHECK(err_code);
} break;
case NRF_BLE_SCAN_EVT_CONNECTED:
{
ble_gap_evt_connected_t const * p_connected =
p_scan_evt->params.connected.p_connected;
// Scan is automatically stopped by the connection.
NRF_LOG_INFO("Connecting to target %02x%02x%02x%02x%02x%02x",
p_connected->peer_addr.addr[0],
p_connected->peer_addr.addr[1],
p_connected->peer_addr.addr[2],
p_connected->peer_addr.addr[3],
p_connected->peer_addr.addr[4],
p_connected->peer_addr.addr[5]
);
} break;
case NRF_BLE_SCAN_EVT_SCAN_TIMEOUT:
{
NRF_LOG_INFO("Scan timed out.");
scan_start();
} break;
default:
break;
}
}
/**@brief Function for initializing the scanning and setting the filters.
*/
static void scan_init(void)
{
ret_code_t err_code;
nrf_ble_scan_init_t init_scan;
memset(&init_scan, 0, sizeof(init_scan));
init_scan.connect_if_match = true;
init_scan.conn_cfg_tag = APP_BLE_CONN_CFG_TAG;
err_code = nrf_ble_scan_init(&m_scan, &init_scan, scan_evt_handler);
APP_ERROR_CHECK(err_code);
err_code = nrf_ble_scan_filter_set(&m_scan, SCAN_UUID_FILTER, &m_nus_uuid);
APP_ERROR_CHECK(err_code);
err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_UUID_FILTER, false);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling database discovery events.
*
* @details This function is a callback function to handle events from the database discovery module.
* Depending on the UUIDs that are discovered, this function forwards the events
* to their respective services.
*
* @param[in] p_event Pointer to the database discovery event.
*/
static void db_disc_handler(ble_db_discovery_evt_t * p_evt)
{
ble_nus_c_on_db_disc_evt(&m_ble_nus_c, p_evt);
}
/**@brief Function for handling characters received by the Nordic UART Service (NUS).
*
* @details This function takes a list of characters of length data_len and prints the characters out on UART.
* If @ref ECHOBACK_BLE_UART_DATA is set, the data is sent back to sender.
*/
static void ble_nus_chars_received_uart_print(uint8_t * p_data, uint16_t data_len)
{
ret_code_t ret_val;
NRF_LOG_DEBUG("Receiving data.");
NRF_LOG_HEXDUMP_DEBUG(p_data, data_len);
for (uint32_t i = 0; i < data_len; i++)
{
do
{
ret_val = app_uart_put(p_data[i]);
if ((ret_val != NRF_SUCCESS) && (ret_val != NRF_ERROR_BUSY))
{
NRF_LOG_ERROR("app_uart_put failed for index 0x%04x.", i);
APP_ERROR_CHECK(ret_val);
}
} while (ret_val == NRF_ERROR_BUSY);
}
if (p_data[data_len-1] == '\r')
{
while (app_uart_put('\n') == NRF_ERROR_BUSY);
}
if (ECHOBACK_BLE_UART_DATA)
{
// Send data back to the peripheral.
do
{
ret_val = ble_nus_c_string_send(&m_ble_nus_c, p_data, data_len);
if ((ret_val != NRF_SUCCESS) && (ret_val != NRF_ERROR_BUSY))
{
NRF_LOG_ERROR("Failed sending NUS message. Error 0x%x. ", ret_val);
APP_ERROR_CHECK(ret_val);
}
} while (ret_val == NRF_ERROR_BUSY);
}
}
/**@brief Function for handling app_uart events.
*
* @details This function receives a single character from the app_uart module and appends it to
* a string. The string is sent over BLE when the last character received is a
* 'new line' '\n' (hex 0x0A) or if the string reaches the maximum data length.
*/
void uart_event_handle(app_uart_evt_t * p_event)
{
static uint8_t data_array[BLE_NUS_MAX_DATA_LEN];
static uint16_t index = 0;
uint32_t ret_val;
switch (p_event->evt_type)
{
/**@snippet [Handling data from UART] */
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)))
{
NRF_LOG_DEBUG("Ready to send data over BLE NUS");
NRF_LOG_HEXDUMP_DEBUG(data_array, index);
do
{
ret_val = ble_nus_c_string_send(&m_ble_nus_c, data_array, index);
if ( (ret_val != NRF_ERROR_INVALID_STATE) && (ret_val != NRF_ERROR_RESOURCES) )
{
APP_ERROR_CHECK(ret_val);
}
} while (ret_val == NRF_ERROR_RESOURCES);
index = 0;
}
break;
/**@snippet [Handling data from UART] */
case APP_UART_COMMUNICATION_ERROR:
NRF_LOG_ERROR("Communication error occurred while handling UART.");
APP_ERROR_HANDLER(p_event->data.error_communication);
break;
case APP_UART_FIFO_ERROR:
NRF_LOG_ERROR("Error occurred in FIFO module used by UART.");
APP_ERROR_HANDLER(p_event->data.error_code);
break;
default:
break;
}
}
/**@brief Callback handling Nordic UART Service (NUS) client events.
*
* @details This function is called to notify the application of NUS client events.
*
* @param[in] p_ble_nus_c NUS client handle. This identifies the NUS client.
* @param[in] p_ble_nus_evt Pointer to the NUS client event.
*/
/**@snippet [Handling events from the ble_nus_c module] */
static void ble_nus_c_evt_handler(ble_nus_c_t * p_ble_nus_c, ble_nus_c_evt_t const * p_ble_nus_evt)
{
ret_code_t err_code;
switch (p_ble_nus_evt->evt_type)
{
case BLE_NUS_C_EVT_DISCOVERY_COMPLETE:
NRF_LOG_INFO("Discovery complete.");
err_code = ble_nus_c_handles_assign(p_ble_nus_c, p_ble_nus_evt->conn_handle, &p_ble_nus_evt->handles);
APP_ERROR_CHECK(err_code);
err_code = ble_nus_c_tx_notif_enable(p_ble_nus_c);
APP_ERROR_CHECK(err_code);
NRF_LOG_INFO("Connected to device with Nordic UART Service.");
break;
case BLE_NUS_C_EVT_NUS_TX_EVT:
ble_nus_chars_received_uart_print(p_ble_nus_evt->p_data, p_ble_nus_evt->data_len);
break;
case BLE_NUS_C_EVT_DISCONNECTED:
NRF_LOG_INFO("Disconnected.");
scan_start();
break;
}
}
/**@snippet [Handling events from the ble_nus_c module] */
/**
* @brief Function for handling shutdown events.
*
* @param[in] event Shutdown type.
*/
static bool shutdown_handler(nrf_pwr_mgmt_evt_t event)
{
ret_code_t err_code;
err_code = bsp_indication_set(BSP_INDICATE_IDLE);
APP_ERROR_CHECK(err_code);
switch (event)
{
case NRF_PWR_MGMT_EVT_PREPARE_WAKEUP:
// Prepare wakeup buttons.
err_code = bsp_btn_ble_sleep_mode_prepare();
APP_ERROR_CHECK(err_code);
break;
default:
break;
}
return true;
}
NRF_PWR_MGMT_HANDLER_REGISTER(shutdown_handler, APP_SHUTDOWN_HANDLER_PRIORITY);
/**@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)
{
ret_code_t err_code;
ble_gap_evt_t const * p_gap_evt = &p_ble_evt->evt.gap_evt;
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_CONNECTED:
err_code = ble_nus_c_handles_assign(&m_ble_nus_c, p_ble_evt->evt.gap_evt.conn_handle, NULL);
APP_ERROR_CHECK(err_code);
err_code = bsp_indication_set(BSP_INDICATE_CONNECTED);
APP_ERROR_CHECK(err_code);
// start discovery of services. The NUS Client waits for a discovery result
err_code = ble_db_discovery_start(&m_db_disc, p_ble_evt->evt.gap_evt.conn_handle);
APP_ERROR_CHECK(err_code);
break;
case BLE_GAP_EVT_DISCONNECTED:
NRF_LOG_INFO("Disconnected. conn_handle: 0x%x, reason: 0x%x",
p_gap_evt->conn_handle,
p_gap_evt->params.disconnected.reason);
break;
case BLE_GAP_EVT_TIMEOUT:
if (p_gap_evt->params.timeout.src == BLE_GAP_TIMEOUT_SRC_CONN)
{
NRF_LOG_INFO("Connection Request timed out.");
}
break;
case BLE_GAP_EVT_SEC_PARAMS_REQUEST:
// Pairing not supported.
err_code = sd_ble_gap_sec_params_reply(p_ble_evt->evt.gap_evt.conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL);
APP_ERROR_CHECK(err_code);
break;
case BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST:
// Accepting parameters requested by peer.
err_code = sd_ble_gap_conn_param_update(p_gap_evt->conn_handle,
&p_gap_evt->params.conn_param_update_request.conn_params);
APP_ERROR_CHECK(err_code);
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_GATTC_EVT_TIMEOUT:
// Disconnect on GATT Client timeout event.
NRF_LOG_DEBUG("GATT Client Timeout.");
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.
NRF_LOG_DEBUG("GATT Server Timeout.");
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:
break;
}
}
/**@brief Function for initializing the BLE stack.
*
* @details 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 (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED)
{
NRF_LOG_INFO("ATT MTU exchange completed.");
m_ble_nus_max_data_len = p_evt->params.att_mtu_effective - OPCODE_LENGTH - HANDLE_LENGTH;
NRF_LOG_INFO("Ble NUS max data length set to 0x%X(%d)", m_ble_nus_max_data_len, m_ble_nus_max_data_len);
}
}
/**@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_central_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)
{
ret_code_t err_code;
switch (event)
{
case BSP_EVENT_SLEEP:
nrf_pwr_mgmt_shutdown(NRF_PWR_MGMT_SHUTDOWN_GOTO_SYSOFF);
break;
case BSP_EVENT_DISCONNECT:
err_code = sd_ble_gap_disconnect(m_ble_nus_c.conn_handle,
BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
break;
default:
break;
}
}
/**@brief Function for initializing the UART. */
static void uart_init(void)
{
ret_code_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,
.baud_rate = UART_BAUDRATE_BAUDRATE_Baud115200
};
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);
}
/**@brief Function for initializing the Nordic UART Service (NUS) client. */
static void nus_c_init(void)
{
ret_code_t err_code;
ble_nus_c_init_t init;
init.evt_handler = ble_nus_c_evt_handler;
init.error_handler = nus_error_handler;
init.p_gatt_queue = &m_ble_gatt_queue;
err_code = ble_nus_c_init(&m_ble_nus_c, &init);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing buttons and leds. */
static void buttons_leds_init(void)
{
ret_code_t err_code;
bsp_event_t startup_event;
err_code = bsp_init(BSP_INIT_LEDS, bsp_event_handler);
APP_ERROR_CHECK(err_code);
err_code = bsp_btn_ble_init(NULL, &startup_event);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing the timer. */
static void timer_init(void)
{
ret_code_t err_code = app_timer_init();
APP_ERROR_CHECK(err_code);
}
/**@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 initializing the database discovery module. */
static void db_discovery_init(void)
{
ble_db_discovery_init_t db_init;
memset(&db_init, 0, sizeof(ble_db_discovery_init_t));
db_init.evt_handler = db_disc_handler;
db_init.p_gatt_queue = &m_ble_gatt_queue;
ret_code_t err_code = ble_db_discovery_init(&db_init);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling the idle state (main loop).
*
* @details Handles any pending log operations, then sleeps until the next event occurs.
*/
static void idle_state_handle(void)
{
if (NRF_LOG_PROCESS() == false)
{
nrf_pwr_mgmt_run();
}
}
int main(void)
{
// Initialize.
log_init();
timer_init();
uart_init();
buttons_leds_init();
db_discovery_init();
power_management_init();
ble_stack_init();
gatt_init();
nus_c_init();
scan_init();
// Start execution.
printf("BLE UART central example started.\r\n");
NRF_LOG_INFO("BLE UART central example started.");
scan_start();
// Enter main loop.
for (;;)
{
idle_state_handle();
}
}
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