hid-keyboard-dongle-nRF/SDK/nRF5_SDK_17.0.2_d674dde/examples/peripheral/cli/main.c

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C

/**
* Copyright (c) 2016 - 2020, 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 <stdbool.h>
#include <stddef.h>
#include "nrf.h"
#include "nrf_drv_clock.h"
#include "nrf_gpio.h"
#include "nrf_delay.h"
#include "app_timer.h"
#include "fds.h"
#include "app_error.h"
#include "app_util.h"
#include "nrf_cli.h"
#include "nrf_cli_rtt.h"
#include "nrf_cli_types.h"
#include "boards.h"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"
#include "nrf_log_backend_flash.h"
#include "nrf_fstorage_nvmc.h"
#include "nrf_mpu_lib.h"
#include "nrf_stack_guard.h"
#if defined(APP_USBD_ENABLED) && APP_USBD_ENABLED
#define CLI_OVER_USB_CDC_ACM 1
#else
#define CLI_OVER_USB_CDC_ACM 0
#endif
#if CLI_OVER_USB_CDC_ACM
#include "nrf_cli_cdc_acm.h"
#include "nrf_drv_usbd.h"
#include "app_usbd_core.h"
#include "app_usbd.h"
#include "app_usbd_string_desc.h"
#include "app_usbd_cdc_acm.h"
#endif //CLI_OVER_USB_CDC_ACM
#if defined(TX_PIN_NUMBER) && defined(RX_PIN_NUMBER)
#define CLI_OVER_UART 1
#else
#define CLI_OVER_UART 0
#endif
#if CLI_OVER_UART
#include "nrf_cli_uart.h"
#endif
/* If enabled then CYCCNT (high resolution) timestamp is used for the logger. */
#define USE_CYCCNT_TIMESTAMP_FOR_LOG 0
/**@file
* @defgroup CLI_example main.c
*
* @{
*
*/
#if NRF_LOG_BACKEND_FLASHLOG_ENABLED
NRF_LOG_BACKEND_FLASHLOG_DEF(m_flash_log_backend);
#endif
#if NRF_LOG_BACKEND_CRASHLOG_ENABLED
NRF_LOG_BACKEND_CRASHLOG_DEF(m_crash_log_backend);
#endif
/* Counter timer. */
APP_TIMER_DEF(m_timer_0);
/* Declared in demo_cli.c */
extern uint32_t m_counter;
extern bool m_counter_active;
#if CLI_OVER_USB_CDC_ACM
/**
* @brief Enable power USB detection
*
* Configure if example supports USB port connection
*/
#ifndef USBD_POWER_DETECTION
#define USBD_POWER_DETECTION true
#endif
static void usbd_user_ev_handler(app_usbd_event_type_t event)
{
switch (event)
{
case APP_USBD_EVT_STOPPED:
app_usbd_disable();
break;
case APP_USBD_EVT_POWER_DETECTED:
if (!nrf_drv_usbd_is_enabled())
{
app_usbd_enable();
}
break;
case APP_USBD_EVT_POWER_REMOVED:
app_usbd_stop();
break;
case APP_USBD_EVT_POWER_READY:
app_usbd_start();
break;
default:
break;
}
}
#endif //CLI_OVER_USB_CDC_ACM
/**
* @brief Command line interface instance
* */
#define CLI_EXAMPLE_LOG_QUEUE_SIZE (4)
#if CLI_OVER_USB_CDC_ACM
NRF_CLI_CDC_ACM_DEF(m_cli_cdc_acm_transport);
NRF_CLI_DEF(m_cli_cdc_acm,
"usb_cli:~$ ",
&m_cli_cdc_acm_transport.transport,
'\r',
CLI_EXAMPLE_LOG_QUEUE_SIZE);
#endif //CLI_OVER_USB_CDC_ACM
#if CLI_OVER_UART
NRF_CLI_UART_DEF(m_cli_uart_transport, 0, 64, 16);
NRF_CLI_DEF(m_cli_uart,
"uart_cli:~$ ",
&m_cli_uart_transport.transport,
'\r',
CLI_EXAMPLE_LOG_QUEUE_SIZE);
#endif
NRF_CLI_RTT_DEF(m_cli_rtt_transport);
NRF_CLI_DEF(m_cli_rtt,
"rtt_cli:~$ ",
&m_cli_rtt_transport.transport,
'\n',
CLI_EXAMPLE_LOG_QUEUE_SIZE);
static void timer_handle(void * p_context)
{
UNUSED_PARAMETER(p_context);
if (m_counter_active)
{
m_counter++;
NRF_LOG_RAW_INFO("counter = %d\n", m_counter);
}
}
static void cli_start(void)
{
ret_code_t ret;
#if CLI_OVER_USB_CDC_ACM
ret = nrf_cli_start(&m_cli_cdc_acm);
APP_ERROR_CHECK(ret);
#endif
#if CLI_OVER_UART
ret = nrf_cli_start(&m_cli_uart);
APP_ERROR_CHECK(ret);
#endif
ret = nrf_cli_start(&m_cli_rtt);
APP_ERROR_CHECK(ret);
}
static void cli_init(void)
{
ret_code_t ret;
#if CLI_OVER_USB_CDC_ACM
ret = nrf_cli_init(&m_cli_cdc_acm, NULL, true, true, NRF_LOG_SEVERITY_INFO);
APP_ERROR_CHECK(ret);
#endif
#if CLI_OVER_UART
nrf_drv_uart_config_t uart_config = NRF_DRV_UART_DEFAULT_CONFIG;
uart_config.pseltxd = TX_PIN_NUMBER;
uart_config.pselrxd = RX_PIN_NUMBER;
uart_config.hwfc = NRF_UART_HWFC_DISABLED;
ret = nrf_cli_init(&m_cli_uart, &uart_config, true, true, NRF_LOG_SEVERITY_INFO);
APP_ERROR_CHECK(ret);
#endif
ret = nrf_cli_init(&m_cli_rtt, NULL, true, true, NRF_LOG_SEVERITY_INFO);
APP_ERROR_CHECK(ret);
}
static void usbd_init(void)
{
#if CLI_OVER_USB_CDC_ACM
ret_code_t ret;
static const app_usbd_config_t usbd_config = {
.ev_handler = app_usbd_event_execute,
.ev_state_proc = usbd_user_ev_handler
};
ret = app_usbd_init(&usbd_config);
APP_ERROR_CHECK(ret);
app_usbd_class_inst_t const * class_cdc_acm =
app_usbd_cdc_acm_class_inst_get(&nrf_cli_cdc_acm);
ret = app_usbd_class_append(class_cdc_acm);
APP_ERROR_CHECK(ret);
if (USBD_POWER_DETECTION)
{
ret = app_usbd_power_events_enable();
APP_ERROR_CHECK(ret);
}
else
{
NRF_LOG_INFO("No USB power detection enabled\nStarting USB now");
app_usbd_enable();
app_usbd_start();
}
/* Give some time for the host to enumerate and connect to the USB CDC port */
nrf_delay_ms(1000);
#endif
}
static void cli_process(void)
{
#if CLI_OVER_USB_CDC_ACM
nrf_cli_process(&m_cli_cdc_acm);
#endif
#if CLI_OVER_UART
nrf_cli_process(&m_cli_uart);
#endif
nrf_cli_process(&m_cli_rtt);
}
static void flashlog_init(void)
{
ret_code_t ret;
int32_t backend_id;
ret = nrf_log_backend_flash_init(&nrf_fstorage_nvmc);
APP_ERROR_CHECK(ret);
#if NRF_LOG_BACKEND_FLASHLOG_ENABLED
backend_id = nrf_log_backend_add(&m_flash_log_backend, NRF_LOG_SEVERITY_WARNING);
APP_ERROR_CHECK_BOOL(backend_id >= 0);
nrf_log_backend_enable(&m_flash_log_backend);
#endif
#if NRF_LOG_BACKEND_CRASHLOG_ENABLED
backend_id = nrf_log_backend_add(&m_crash_log_backend, NRF_LOG_SEVERITY_INFO);
APP_ERROR_CHECK_BOOL(backend_id >= 0);
nrf_log_backend_enable(&m_crash_log_backend);
#endif
}
static inline void stack_guard_init(void)
{
APP_ERROR_CHECK(nrf_mpu_lib_init());
APP_ERROR_CHECK(nrf_stack_guard_init());
}
uint32_t cyccnt_get(void)
{
return DWT->CYCCNT;
}
int main(void)
{
ret_code_t ret;
if (USE_CYCCNT_TIMESTAMP_FOR_LOG)
{
CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk;
DWT->CYCCNT = 0;
APP_ERROR_CHECK(NRF_LOG_INIT(cyccnt_get, 64000000));
}
else
{
APP_ERROR_CHECK(NRF_LOG_INIT(app_timer_cnt_get));
}
ret = nrf_drv_clock_init();
APP_ERROR_CHECK(ret);
nrf_drv_clock_lfclk_request(NULL);
ret = app_timer_init();
APP_ERROR_CHECK(ret);
ret = app_timer_create(&m_timer_0, APP_TIMER_MODE_REPEATED, timer_handle);
APP_ERROR_CHECK(ret);
ret = app_timer_start(m_timer_0, APP_TIMER_TICKS(1000), NULL);
APP_ERROR_CHECK(ret);
cli_init();
usbd_init();
ret = fds_init();
APP_ERROR_CHECK(ret);
UNUSED_RETURN_VALUE(nrf_log_config_load());
cli_start();
flashlog_init();
stack_guard_init();
NRF_LOG_RAW_INFO("Command Line Interface example started.\n");
NRF_LOG_RAW_INFO("Please press the Tab key to see all available commands.\n");
while (true)
{
UNUSED_RETURN_VALUE(NRF_LOG_PROCESS());
#if CLI_OVER_USB_CDC_ACM && APP_USBD_CONFIG_EVENT_QUEUE_ENABLE
while (app_usbd_event_queue_process())
{
/* Nothing to do */
}
#endif
cli_process();
}
}
/** @} */