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#103 Button Brick

Overview

ボタンを使ったBrickです。I/OピンよりボタンのON/OFFの状態を取得することができます。

Connecting

Schematic

User Include Directories

Solution Option -> Preprocessor -> User Include Directoriesに以下を追加する。(../nRF5_SDKの部分は適宜変えてください。)

Path
../nRF5_SDK/modules/nrfx/drivers/src/prs
../nRF5_SDK/modules/nrfx/drivers/src
../nRF5_SDK/components/libraries/atomic
../nRF5_SDK/components/libraries/ringbuf
../nRF5_SDK/modules/nrfx/drivers/include
../nRF5_SDK/integration/nrfx/legacy
../nRF5_SDK/external/fprintf
../nRF5_SDK/components/libraries/strerror
../nRF5_SDK/components/libraries/experimental_section_vars
../nRF5_SDK/components/libraries/balloc
../nRF5_SDK/components/libraries/memobj
../nRF5_SDK/components/libraries/log/src
../nRF5_SDK/components/libraries/log
../nRF5_SDK/components/libraries/delay
../nRF5_SDK/components/libraries/button
../nRF5_SDK/components/drivers_nrf/nrf_soc_nosd
../nRF5_SDK/components/libraries/util
../nRF5_SDK/integration/nrfx
../nRF5_SDK/modules/nrfx
../nRF5_SDK/modules/nrfx/hal
../nRF5_SDK/components/boards
../nRF5_SDK/components/libraries/bsp
../nRF5_SDK/components/toolchain/cmsis/include
../nRF5_SDK/modules/nrfx/mdk
.

Preprocessor Definitions

Solution Option -> Preprocessor -> Preprocessor Definitionsに以下を追加する。

COPT
BOARD_CUSTOM
NRF52832_XXAA

SDK File

Projectに以下のファイルを追加する。(../nRF5_SDKの部分は適宜変えてください。)

File Path
app_error_handler_gcc.c ../nRF5_SDK/components/libraries/util
app_error_weak.c ../nRF5_SDK/components/libraries/util
app_error.c ../nRF5_SDK/components/libraries/util
app_util_platform.c ../nRF5_SDK/components/libraries/util
nrf_atomic.c ../nRF5_SDK/components/libraries/atomic
nrf_balloc.c ../nRF5_SDK/components/libraries/balloc
nrf_drv_uart.c ../nRF5_SDK/integration/nrfx/legacy
nrf_fprintf_format.c ../nRF5_SDK/external/fprintf
nrf_fprintf.c ../nRF5_SDK/external/fprintf
nrf_log_backend_serial.c ../nRF5_SDK/components/libraries/log/src
nrf_log_backend_uart.c ../nRF5_SDK/components/libraries/log/src
nrf_log_default_backends.c ../nRF5_SDK/components/libraries/log/src
nrf_log_frontend.c ../nRF5_SDK/components/libraries/log/src
nrf_log_str_formatter.c ../nRF5_SDK/components/libraries/log/src
nrf_memobj.c ../nRF5_SDK/components/libraries/memobj
nrf_ringbuf.c ../nRF5_SDK/components/libraries/ringbuf
nrf_strerror.c ../nRF5_SDK/components/libraries/strerror
nrfx_prs.c ../nRF5_SDK/modules/nrfx/drivers/src/prs
nrfx_uart.c ../nRF5_SDK/modules/nrfx/drivers/src
nrfx_uarte.c ../nRF5_SDK/modules/nrfx/drivers/src

Section

SEGGER_Flash.icfファイルを編集する。(SEGGER_Flash.icfはProject配下に自動生成されている。以下抜粋)

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 :

define block log_const_data_start with size = 8 { symbol __start_log_const_data };
define block log_const_data_list { section .log_const_data* };
define block log_const_data_stop with size = 8 { symbol __stop_log_const_data };
define block log_const_data with fixed order { block log_const_data_start, block log_const_data_list, block log_const_data_stop };

 :

place in FLASH                           {
                                           block tdata_load,                       // Thread-local-storage load image
                                           section .log_backends,
                                           section .nrf_balloc,
                                           block log_const_data
                                         };
 :

IRQHandler

Cortex_M_Startup.sファイルを編集する。(長いので抜粋)

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ISR_HANDLER ExternalISR0
ISR_HANDLER ExternalISR1
ISR_HANDLER UARTE0_UART0_IRQHandler //ExternalISR2
ISR_HANDLER ExternalISR3
ISR_HANDLER ExternalISR4
ISR_HANDLER ExternalISR5
ISR_HANDLER ExternalISR6
ISR_HANDLER ExternalISR7
ISR_HANDLER ExternalISR8
ISR_HANDLER ExternalISR9
ISR_HANDLER ExternalISR10

Sample Code

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#include <stdbool.h>
#include <stdint.h>
#include "nrf.h"
#include "bsp.h"
#include "nrf_delay.h"
#include "app_util_platform.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"
#define NRF_LOG_MODULE_NAME FABO_103_BUTTON
#include "nrf_log.h"
NRF_LOG_MODULE_REGISTER();

#define FaBo_Shinobi_ANALOGPIN 3
#define FaBo_Shinobi_LEDPIN 18

nrf_log_module_const_data_t*    __start_log_const_data;
nrf_log_module_dynamic_data_t*  __start_log_dynamic_data;
void*                           __stop_log_const_data;
void*                           __stop_log_dynamic_data;
static void gpio_init(void)
{
    nrf_gpio_cfg_sense_input(FaBo_Shinobi_ANALOGPIN, NRF_GPIO_PIN_PULLDOWN, NRF_GPIO_PIN_SENSE_HIGH);
    nrf_gpio_cfg_output(FaBo_Shinobi_LEDPIN);
    nrf_gpio_pin_clear(FaBo_Shinobi_LEDPIN);
}

int main(void)
{
    APP_ERROR_CHECK(NRF_LOG_INIT(NULL));
    NRF_LOG_DEFAULT_BACKENDS_INIT();

    gpio_init();

    while (true)
    {
        uint32_t BUTTON_SWITCH = 0;
        static uint32_t push_time = 0;
        BUTTON_SWITCH = nrf_gpio_pin_read(FaBo_Shinobi_ANALOGPIN);
        if (BUTTON_SWITCH == 1) {
            nrf_gpio_pin_set(FaBo_Shinobi_LEDPIN);
            NRF_LOG_INFO("PUSH BUTTON push_time:%d", push_time);
            NRF_LOG_FLUSH();
            push_time++;
        } else {
            nrf_gpio_pin_clear(FaBo_Shinobi_LEDPIN);
        }    
    }
}

構成Parts

  • 12mm角タクトスイッチ

GitHub