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add files from nrf52832 bootloader project

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hathach
2018-02-07 23:32:49 +07:00
parent ac1f0e7955
commit 9f1d9f321e
186 changed files with 83021 additions and 0 deletions
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187
nRF5_SDK_11.0.0_89a8197/components/libraries/simple_timer/app_simple_timer.c Normal file
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/* Copyright (c) 2015 Nordic Semiconductor. All Rights Reserved.
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
*
*/
#include "app_simple_timer.h"
#include "nrf.h"
#include "app_util_platform.h"
#include "app_error.h"
#include "nrf_timer.h"
#include "nrf_drv_timer.h"
#include "sdk_common.h"
/**@brief States of simple timer state machine.
*/
typedef enum
{
SIMPLE_TIMER_STATE_IDLE = 0,
SIMPLE_TIMER_STATE_INITIALIZED,
SIMPLE_TIMER_STATE_STOPPED,
SIMPLE_TIMER_STATE_STARTED
}simple_timer_states_t;
static app_simple_timer_mode_t m_mode; /**< Registered timer mode. */
static app_simple_timer_timeout_handler_t m_timeout_handler = NULL; /**< Registered time-out handler. */
static void * mp_timeout_handler_context = NULL; /**< Registered time-out handler context. */
static simple_timer_states_t m_simple_timer_state = SIMPLE_TIMER_STATE_IDLE; /**< State machine state. */
#define APP_SIMPLE_TIMER_INSTANCE 1
#if (APP_SIMPLE_TIMER_INSTANCE == 0)
#if (TIMER_CONFIG_MODE(0) != TIMER_MODE_MODE_Timer)
#error "Unsupported timer mode."
#endif
#if (TIMER_CONFIG_BIT_WIDTH(0) != TIMER_BITMODE_BITMODE_16Bit)
#error "Unsupported timer bit width."
#endif
const nrf_drv_timer_t SIMPLE_TIMER = NRF_DRV_TIMER_INSTANCE(0);
#elif (APP_SIMPLE_TIMER_INSTANCE == 1)
#if (TIMER_CONFIG_MODE(1) != TIMER_MODE_MODE_Timer)
#error "Unsupported timer mode."
#endif
#if (TIMER_CONFIG_BIT_WIDTH(1) != TIMER_BITMODE_BITMODE_16Bit)
#error "Unsupported timer bit width."
#endif
const nrf_drv_timer_t SIMPLE_TIMER = NRF_DRV_TIMER_INSTANCE(1);
#elif (APP_SIMPLE_TIMER_INSTANCE == 2)
#if (TIMER_CONFIG_MODE(2) != TIMER_MODE_MODE_Timer)
#error "Unsupported timer mode."
#endif
#if (TIMER_CONFIG_BIT_WIDTH(2) != TIMER_BITMODE_BITMODE_16Bit)
#error "Unsupported timer bit width."
#endif
const nrf_drv_timer_t SIMPLE_TIMER = NRF_DRV_TIMER_INSTANCE(2);
#else
#error "Wrong timer instance id."
#endif
/**
* @brief Handler for timer events.
*/
static void app_simple_timer_event_handler(nrf_timer_event_t event_type, void * p_context)
{
switch(event_type)
{
case NRF_TIMER_EVENT_COMPARE0:
if (m_mode == APP_SIMPLE_TIMER_MODE_SINGLE_SHOT)
{
m_simple_timer_state = SIMPLE_TIMER_STATE_STOPPED;
}
//@note: No NULL check required as performed in timer_start(...).
m_timeout_handler(mp_timeout_handler_context);
break;
default:
//Do nothing.
break;
}
}
uint32_t app_simple_timer_init(void)
{
uint32_t err_code = NRF_SUCCESS;
err_code = nrf_drv_timer_init(&SIMPLE_TIMER, NULL, app_simple_timer_event_handler);
if(NRF_SUCCESS == err_code)
{
m_simple_timer_state = SIMPLE_TIMER_STATE_INITIALIZED;
}
return err_code;
}
uint32_t app_simple_timer_start(app_simple_timer_mode_t mode,
app_simple_timer_timeout_handler_t timeout_handler,
uint16_t timeout_ticks,
void * p_context)
{
uint32_t err_code = NRF_SUCCESS;
nrf_timer_short_mask_t timer_short;
VERIFY_PARAM_NOT_NULL(timeout_handler);
if (APP_SIMPLE_TIMER_MODE_REPEATED == mode)
{
timer_short = NRF_TIMER_SHORT_COMPARE0_CLEAR_MASK;
}
else if(APP_SIMPLE_TIMER_MODE_SINGLE_SHOT == mode)
{
timer_short = NRF_TIMER_SHORT_COMPARE0_STOP_MASK;
}
else
{
return NRF_ERROR_INVALID_PARAM;
}
if(SIMPLE_TIMER_STATE_IDLE == m_simple_timer_state)
{
return NRF_ERROR_INVALID_STATE;
}
if(SIMPLE_TIMER_STATE_STARTED == m_simple_timer_state)
{
err_code = app_simple_timer_stop();
APP_ERROR_CHECK(err_code);
}
if(SIMPLE_TIMER_STATE_STOPPED == m_simple_timer_state)
{
nrf_drv_timer_clear(&SIMPLE_TIMER);
}
m_mode = mode;
m_timeout_handler = timeout_handler;
mp_timeout_handler_context = p_context;
nrf_drv_timer_extended_compare(
&SIMPLE_TIMER, NRF_TIMER_CC_CHANNEL0, (uint32_t)timeout_ticks, timer_short, true);
if (m_simple_timer_state == SIMPLE_TIMER_STATE_STOPPED)
{
nrf_drv_timer_resume(&SIMPLE_TIMER);
}
else
{
nrf_drv_timer_enable(&SIMPLE_TIMER);
}
m_simple_timer_state = SIMPLE_TIMER_STATE_STARTED;
return NRF_SUCCESS;
}
uint32_t app_simple_timer_stop(void)
{
if(SIMPLE_TIMER_STATE_STARTED == m_simple_timer_state)
{
nrf_drv_timer_pause(&SIMPLE_TIMER);
m_simple_timer_state = SIMPLE_TIMER_STATE_STOPPED;
}
return NRF_SUCCESS;
}
uint32_t app_simple_timer_uninit(void)
{
uint32_t err_code = NRF_SUCCESS;
if(SIMPLE_TIMER_STATE_IDLE != m_simple_timer_state)
{
nrf_drv_timer_uninit(&SIMPLE_TIMER);
m_simple_timer_state = SIMPLE_TIMER_STATE_IDLE;
}
return err_code;
}

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nRF5_SDK_11.0.0_89a8197/components/libraries/simple_timer/app_simple_timer.h Normal file
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/* Copyright (c) 2015 Nordic Semiconductor. All Rights Reserved.
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
*
*/
/**@file
*
* @defgroup lib_driver_simple_timer Simple Timer
* @{
* @ingroup app_common
*
* @brief Simple timer module.
*
* Supported features and limitations:
* - Two modes: single shot mode and repeated mode.
* - No more than one timer can run simultaneously.
* - The timer is hard-coded to use the TIMER1 peripheral and compare channel 0.
*/
#ifndef TIMER_H__
#define TIMER_H__
#include <stdint.h>
/**@brief Timer time-out handler type. */
typedef void (*app_simple_timer_timeout_handler_t)(void * p_context);
/**@brief Timer modes. */
typedef enum
{
APP_SIMPLE_TIMER_MODE_SINGLE_SHOT, /**< The timer will expire only once. */
APP_SIMPLE_TIMER_MODE_REPEATED /**< The timer will restart each time it expires. */
} app_simple_timer_mode_t;
/**@brief Function for configuring and setting up the timer hardware.
*
* @note Configuration parameters should be set in nrf_drv_config.h file.
* The TIMER1_CONFIG_MODE has to be set to NRF_TIMER_MODE_TIMER value.
* The TIMER1_CONFIG_BIT_WIDTH has to be set to NRF_TIMER_BIT_WIDTH_16 value.
*
* @retval NRF_SUCCESS If the operation is successful.
* @retval NRF_ERROR_INVALID_STATE If the operation fails because the timer is already initialized.
* @retval NRF_ERROR_INVALID_PARAM If the operation fails because some configuration parameter is
* not valid.
*/
uint32_t app_simple_timer_init(void);
/**@brief Function for starting a timer.
*
* @note If this function is called for a timer that is already running, the currently running
* timer is stopped before starting the new one.
*
* @param[in] mode Timer mode (see @ref app_simple_timer_mode_t).
* @param[in] timeout_handler Function to be executed when the timer expires
* (see @ref app_simple_timer_timeout_handler_t).
* @param[in] timeout_ticks Number of timer ticks to time-out event.
* @param[in] p_context General purpose pointer. Will be passed to the time-out handler
* when the timer expires.
*
* @retval NRF_SUCCESS If the operation is successful.
* @retval NRF_ERROR_INVALID_STATE If the operation fails because @ref app_simple_timer_init has not
* been called and the operation is not allowed in this state.
* @retval NRF_ERROR_NULL If the operation fails because timeout_handler is NULL.
* @retval NRF_ERROR_INVALID_PARAM If the operation fails because "mode" parameter is not valid.
*/
uint32_t app_simple_timer_start(app_simple_timer_mode_t mode,
app_simple_timer_timeout_handler_t timeout_handler,
uint16_t timeout_ticks,
void * p_context);
/**@brief Function for stopping the timer.
*
* @retval NRF_SUCCESS If the operation is successful.
*/
uint32_t app_simple_timer_stop(void);
/**@brief Function for uninitializing the timer. Should be called also when the timer is not used
* anymore to reach lowest power consumption in system.
*
* @note The function switches off the internal core of the timer to reach lowest power consumption
* in system. The startup time from this state may be longer compared to starting the timer
* from the stopped state.
*
* @retval NRF_SUCCESS If the operation is successful.
*/
uint32_t app_simple_timer_uninit(void);
#endif // TIMER_H__
/** @} */