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136 lines
3.7 KiB
136 lines
3.7 KiB
#include "board_light_ctrl.h"
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#include "board.h"
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#include "znordic.h"
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#define BLINK_CNT 1
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#define BLINK_PERIOD_MS (100)
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#define LIGHT_PWM_DRIVER 1
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// LED_GREEN_PIN
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#if LIGHT_PWM_DRIVER
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typedef struct {
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nrf_drv_pwm_t driver;
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nrf_pwm_values_individual_t seq_values;
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nrf_pwm_sequence_t seq;
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nrf_drv_pwm_config_t config;
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} pwm_light_ctrl_t;
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#endif
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static pwm_light_ctrl_t light_ctrl = {
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.driver = NRF_DRV_PWM_INSTANCE(LIGHT_PWM_INSTANCE),
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.seq_values = {0},
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.seq =
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{
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.values.p_individual = &light_ctrl.seq_values,
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.length = NRF_PWM_VALUES_LENGTH(light_ctrl.seq_values),
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.repeats = 0,
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.end_delay = 0,
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},
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.config =
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{
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.output_pins =
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{
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LED_GREEN_PIN, //
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NRF_DRV_PWM_PIN_NOT_USED,
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NRF_DRV_PWM_PIN_NOT_USED,
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NRF_DRV_PWM_PIN_NOT_USED,
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},
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.irq_priority = APP_IRQ_PRIORITY_LOWEST,
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.base_clock = NRF_PWM_CLK_250kHz,
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.count_mode = NRF_PWM_MODE_UP,
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.top_value = 100, // 125kHz / 46 = 2.717k
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.load_mode = NRF_PWM_LOAD_INDIVIDUAL,
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.step_mode = NRF_PWM_STEP_AUTO,
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},
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};
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static LightEffect m_light_effect;
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static bool m_led_green_light_state;
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static int m_blink_cnt;
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APP_TIMER_DEF(m_green_light_effect_tmr);
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void BoardLight_setGreenLightState(bool state) {
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#if LIGHT_PWM_DRIVER
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if (state) {
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light_ctrl.seq_values.channel_0 = 95; // 设置占空比，数值最大不超过 top_value
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nrfx_pwm_simple_playback(&light_ctrl.driver, &light_ctrl.seq, 1, NRF_DRV_PWM_FLAG_LOOP);
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} else {
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nrfx_pwm_stop(&light_ctrl.driver, true);
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}
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#else
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if (state) {
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nrf_gpio_pin_set(LED_GREEN_PIN);
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m_led_green_light_state = true;
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} else {
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nrf_gpio_pin_clear(LED_GREEN_PIN);
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m_led_green_light_state = false;
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}
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#endif
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}
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static void BoardLight_effect_tmr_handler(void* p_context) { //
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if (m_light_effect == kLightEffect_close) {
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if (m_led_green_light_state) {
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BoardLight_setGreenLightState(false);
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}
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} else if (m_light_effect == kLightEffect_open) {
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if (!m_led_green_light_state) {
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BoardLight_setGreenLightState(true);
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}
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} else if (m_light_effect == kLightEffect_slowFlash) {
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if (m_blink_cnt < 2) {
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if (m_blink_cnt % 2 == 0) {
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BoardLight_setGreenLightState(true);
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} else if (m_blink_cnt % 2 == 1) {
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BoardLight_setGreenLightState(false);
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}
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} else {
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if (BLINK_PERIOD_MS * m_blink_cnt >= 1000) {
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m_blink_cnt = 0;
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return;
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}
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}
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}
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m_blink_cnt++;
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}
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void BoardLight_Init() {
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ZERROR_CHECK(app_timer_create(&m_green_light_effect_tmr, APP_TIMER_MODE_REPEATED, BoardLight_effect_tmr_handler));
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#if LIGHT_PWM_DRIVER
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APP_ERROR_CHECK(nrfx_pwm_init(&light_ctrl.driver, &light_ctrl.config, NULL));
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#else
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znrf_gpio_cfg_output(LED_GREEN_PIN, NRF_GPIO_PIN_NOPULL);
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#endif
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}
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void BoardLight_load() {}
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void BoardLight_unload() { BoardLight_setGreenLightEffect(kLightEffect_close); }
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void BoardLight_toggleGreenLightState() { nrf_gpio_pin_toggle(LED_GREEN_PIN); }
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void BoardLight_setGreenLightEffect(LightEffect effect) {
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m_light_effect = effect;
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switch (effect) {
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case kLightEffect_close:
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app_timer_stop(m_green_light_effect_tmr);
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BoardLight_setGreenLightState(false);
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break;
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case kLightEffect_open:
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app_timer_stop(m_green_light_effect_tmr);
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BoardLight_setGreenLightState(true);
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break;
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case kLightEffect_slowFlash:
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app_timer_start(m_green_light_effect_tmr, APP_TIMER_TICKS(BLINK_PERIOD_MS), NULL);
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break;
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default:
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break;
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}
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return;
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}
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