mirror of
https://github.com/jam422470459/EPD-nRF52-hema213.git
synced 2025-12-10 18:38:13 +08:00
move components to SDK dir
This commit is contained in:
Shuanglei Tao
@@ -0,0 +1,232 @@
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/**
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* Copyright (c) 2015 - 2017, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "sdk_common.h"
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#if NRF_MODULE_ENABLED(LED_SOFTBLINK)
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#include <string.h>
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#include "led_softblink.h"
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#include "nrf_gpio.h"
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#include "app_timer.h"
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#include "nrf_assert.h"
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#include "low_power_pwm.h"
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/* Period for LED softblink PWM. */
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#define PWM_PERIOD UINT8_MAX
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/**@bref Structure to handle timer time-outs
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*
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*/
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typedef struct
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{
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bool leds_is_on; /**< Flag for indicating if LEDs are on. */
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bool is_counting_up; /**< Flag for indicating if counter is incrementing or decrementing. */
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nrf_drv_state_t led_sb_state; /**< Indicates current state of instance. */
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uint16_t duty_cycle; /**< Current pulse width. */
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uint32_t bit_mask; /**< Mask of used pins. */
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led_sb_init_params_t params; /**< Structure holding initialization parameters. */
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low_power_pwm_config_t pwm_config; /**< Structure holding parameters for initializing low level layer. */
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low_power_pwm_t pwm_instance; /**< Structure holding low-power PWM instance parameters. */
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}led_sb_context_t;
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static led_sb_context_t m_led_sb = {0};
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/**@brief Timer event handler for softblink.
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*
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* @param[in] p_context General purpose pointer. Will be passed to the time-out handler
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* when the timer expires.
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*
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*/
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static void led_softblink_on_timeout(void * p_context)
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{
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static int32_t pause_ticks;
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ASSERT(m_led_sb.led_sb_state != NRF_DRV_STATE_UNINITIALIZED);
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ret_code_t err_code;
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if (pause_ticks <= 0)
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{
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if (m_led_sb.is_counting_up)
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{
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if (m_led_sb.duty_cycle >= (m_led_sb.params.duty_cycle_max - m_led_sb.params.duty_cycle_step))
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{
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// Max PWM duty cycle is reached, start decrementing.
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m_led_sb.is_counting_up = false;
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m_led_sb.duty_cycle = m_led_sb.params.duty_cycle_max;
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pause_ticks = m_led_sb.params.on_time_ticks ? m_led_sb.params.on_time_ticks + APP_TIMER_MIN_TIMEOUT_TICKS : 0;
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}
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else
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{
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m_led_sb.duty_cycle += m_led_sb.params.duty_cycle_step;
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}
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}
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else
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{
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if (m_led_sb.duty_cycle <= (m_led_sb.params.duty_cycle_min + m_led_sb.params.duty_cycle_step))
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{
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// Min PWM duty cycle is reached, start incrementing.
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m_led_sb.is_counting_up = true;
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m_led_sb.duty_cycle = m_led_sb.params.duty_cycle_min;
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pause_ticks = m_led_sb.params.off_time_ticks ? m_led_sb.params.off_time_ticks + APP_TIMER_MIN_TIMEOUT_TICKS : 0;
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}
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else
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{
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m_led_sb.duty_cycle -= m_led_sb.params.duty_cycle_step;
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}
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}
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}
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else
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{
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pause_ticks -= PWM_PERIOD;
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}
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err_code = low_power_pwm_duty_set(&m_led_sb.pwm_instance, m_led_sb.duty_cycle);
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APP_ERROR_CHECK(err_code);
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}
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ret_code_t led_softblink_init(led_sb_init_params_t const * p_init_params)
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{
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ret_code_t err_code;
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ASSERT(m_led_sb.led_sb_state == NRF_DRV_STATE_UNINITIALIZED);
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ASSERT(p_init_params);
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if ( (p_init_params->duty_cycle_max == 0) ||
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(p_init_params->duty_cycle_max <= p_init_params->duty_cycle_min) ||
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(p_init_params->duty_cycle_step == 0) ||
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(p_init_params->leds_pin_bm == 0))
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{
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return NRF_ERROR_INVALID_PARAM;
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}
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memset(&m_led_sb, 0, sizeof(led_sb_context_t));
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memcpy(&m_led_sb.params, p_init_params, sizeof(led_sb_init_params_t));
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m_led_sb.is_counting_up = true;
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m_led_sb.duty_cycle = p_init_params->duty_cycle_min + p_init_params->duty_cycle_step;
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m_led_sb.leds_is_on = false;
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m_led_sb.bit_mask = p_init_params->leds_pin_bm;
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APP_TIMER_DEF(led_softblink_timer);
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m_led_sb.pwm_config.active_high = m_led_sb.params.active_high;
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m_led_sb.pwm_config.bit_mask = p_init_params->leds_pin_bm;
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m_led_sb.pwm_config.p_port = p_init_params->p_leds_port;
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m_led_sb.pwm_config.period = PWM_PERIOD;
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m_led_sb.pwm_config.p_timer_id = &led_softblink_timer;
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err_code = low_power_pwm_init( &m_led_sb.pwm_instance, &m_led_sb.pwm_config, led_softblink_on_timeout);
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if (err_code == NRF_SUCCESS)
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{
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m_led_sb.led_sb_state = NRF_DRV_STATE_INITIALIZED;
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}
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else
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{
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return err_code;
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}
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err_code = low_power_pwm_duty_set( &m_led_sb.pwm_instance, p_init_params->duty_cycle_min + p_init_params->duty_cycle_step);
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return err_code;
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}
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ret_code_t led_softblink_start(uint32_t leds_pin_bit_mask)
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{
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ret_code_t err_code;
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ASSERT(m_led_sb.led_sb_state == NRF_DRV_STATE_INITIALIZED);
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err_code = low_power_pwm_start(&m_led_sb.pwm_instance, leds_pin_bit_mask);
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return err_code;
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}
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ret_code_t led_softblink_stop(void)
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{
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ret_code_t err_code;
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err_code = low_power_pwm_stop(&m_led_sb.pwm_instance);
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return err_code;
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}
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void led_softblink_off_time_set(uint32_t off_time_ticks)
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{
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ASSERT(m_led_sb.led_sb_state != NRF_DRV_STATE_UNINITIALIZED);
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m_led_sb.params.off_time_ticks = off_time_ticks;
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}
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void led_softblink_on_time_set(uint32_t on_time_ticks)
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{
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ASSERT(m_led_sb.led_sb_state != NRF_DRV_STATE_UNINITIALIZED);
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m_led_sb.params.on_time_ticks = on_time_ticks;
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}
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ret_code_t led_softblink_uninit(void)
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{
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ASSERT(m_led_sb.led_sb_state != NRF_DRV_STATE_UNINITIALIZED);
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ret_code_t err_code;
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err_code = led_softblink_stop();
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if (err_code == NRF_SUCCESS)
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{
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m_led_sb.led_sb_state = NRF_DRV_STATE_UNINITIALIZED;
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}
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else
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{
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return err_code;
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}
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memset(&m_led_sb, 0, sizeof(m_led_sb));
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return NRF_SUCCESS;
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}
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#endif //NRF_MODULE_ENABLED(LED_SOFTBLINK)
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@@ -0,0 +1,172 @@
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/**
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* Copyright (c) 2015 - 2017, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
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||||
*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
|
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* such product, must reproduce the above copyright notice, this list of
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||||
* conditions and the following disclaimer in the documentation and/or other
|
||||
* materials provided with the distribution.
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||||
*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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||||
* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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||||
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/** @file
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*
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* @defgroup led_softblink LED softblink
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* @{
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* @ingroup app_common
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*
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* @brief Module for generating a changing pulse-width modulated output signal that is used to smoothly blink LEDs.
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*
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* @details This module provides an LED softblink implementation using timers and GPIO.
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*
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* LED softblink needs one timer. It can use any number of output channels that are available.
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*
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* Only one instance of LED softblink can run at a time.
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*/
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#ifndef LED_SOFTBLINK_H__
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#define LED_SOFTBLINK_H__
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#include <stdbool.h>
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#include <stdint.h>
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#include "sdk_errors.h"
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#include "nrf_gpio.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Structure holding the initialization parameters.
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*/
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typedef struct
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{
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bool active_high; /**< Activate negative polarity. */
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uint8_t duty_cycle_max; /**< Maximum impulse width. */
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uint8_t duty_cycle_min; /**< Minimum impulse width. */
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uint8_t duty_cycle_step; /**< Cycle step. */
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uint32_t off_time_ticks; /**< Ticks to stay in low impulse state. */
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uint32_t on_time_ticks; /**< Ticks to stay in high impulse state. */
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uint32_t leds_pin_bm; /**< Mask of used LEDs. */
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NRF_GPIO_Type * p_leds_port; /**< Port of used LEDs mask. */
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}led_sb_init_params_t;
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/**
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* @name Default settings
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* @brief Default settings for LED softblink.
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* @{
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*/
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#define LED_SB_INIT_PARAMS_ACTIVE_HIGH false
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#define LED_SB_INIT_PARAMS_DUTY_CYCLE_MAX 220
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#define LED_SB_INIT_PARAMS_DUTY_CYCLE_MIN 0
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#define LED_SB_INIT_PARAMS_DUTY_CYCLE_STEP 5
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#define LED_SB_INIT_PARAMS_OFF_TIME_TICKS 65536
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#define LED_SB_INIT_PARAMS_ON_TIME_TICKS 0
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#define LED_SB_INIT_PARAMS_LEDS_PIN_BM(mask) (mask)
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#define LED_SB_INIT_PARAMS_LEDS_PORT NRF_GPIO
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/** @} */
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/**
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* @brief LED softblink default configuration.
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*/
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#define LED_SB_INIT_DEFAULT_PARAMS(mask) \
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{ \
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.active_high = LED_SB_INIT_PARAMS_ACTIVE_HIGH, \
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.duty_cycle_max = LED_SB_INIT_PARAMS_DUTY_CYCLE_MAX, \
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.duty_cycle_min = LED_SB_INIT_PARAMS_DUTY_CYCLE_MIN, \
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.duty_cycle_step = LED_SB_INIT_PARAMS_DUTY_CYCLE_STEP, \
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.off_time_ticks = LED_SB_INIT_PARAMS_OFF_TIME_TICKS, \
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.on_time_ticks = LED_SB_INIT_PARAMS_ON_TIME_TICKS, \
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.leds_pin_bm = LED_SB_INIT_PARAMS_LEDS_PIN_BM(mask), \
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.p_leds_port = LED_SB_INIT_PARAMS_LEDS_PORT \
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}
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/**
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* @brief Function for initializing LED softblink.
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*
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* @param[in] p_init_params Pointer to the initialization structure.
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*
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* @return Values returned by @ref app_timer_create.
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*/
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ret_code_t led_softblink_init(led_sb_init_params_t const * p_init_params);
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/**
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* @brief Function for starting to blink LEDs.
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*
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* @param[in] leds_pin_bit_mask Bit mask containing the pins for the LEDs to be blinked.
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*
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* @return Values returned by @ref app_timer_start.
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*/
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ret_code_t led_softblink_start(uint32_t leds_pin_bit_mask);
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/**
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* @brief Function for stopping to blink LEDs.
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*
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* @return Values returned by @ref app_timer_stop.
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*/
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ret_code_t led_softblink_stop(void);
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/**
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* @brief Function for setting the off time.
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*
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* This function configures the time that the LEDs will be off between each blink.
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*
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* @param[in] off_time_ticks Off time in ticks.
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*
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*/
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void led_softblink_off_time_set(uint32_t off_time_ticks);
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/**
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* @brief Function for setting the on time.
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*
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* This function configures the time that the LEDs will be on between each blink.
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*
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* @param[in] on_time_ticks On time in ticks.
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*
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*/
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void led_softblink_on_time_set(uint32_t on_time_ticks);
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/**
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* @brief Function for uninitializing LED softblink.
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*
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* @retval NRF_SUCCESS If LED softblink was uninitialized successfully.
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*/
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ret_code_t led_softblink_uninit(void);
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#ifdef __cplusplus
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}
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#endif
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#endif // LED_SOFTBLINK_H__
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/** @} */
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