static void ser_phy_init_gpiote(void) { if (!nrf_drv_gpiote_is_init()) { (void)nrf_drv_gpiote_init(); } NVIC_SetPriority(GPIOTE_IRQn, APP_IRQ_PRIORITY_HIGH); nrf_drv_gpiote_in_config_t config = GPIOTE_CONFIG_IN_SENSE_TOGGLE(true); /* Enable pullup to ensure high state while connectivity device is reset */ config.pull = NRF_GPIO_PIN_PULLUP; (void)nrf_drv_gpiote_in_init(SER_PHY_SPI_MASTER_PIN_SLAVE_REQUEST, &config, ser_phy_spi_master_request); nrf_drv_gpiote_in_event_enable(SER_PHY_SPI_MASTER_PIN_SLAVE_REQUEST,true); m_slave_request_flag = !(nrf_gpio_pin_read(SER_PHY_SPI_MASTER_PIN_SLAVE_REQUEST)); #ifdef _SPI_5W_ m_slave_ready_flag = true; #else (void)nrf_drv_gpiote_in_init(SER_PHY_SPI_MASTER_PIN_SLAVE_READY, &config, ser_phy_spi_master_ready); nrf_drv_gpiote_in_event_enable(SER_PHY_SPI_MASTER_PIN_SLAVE_READY,true); m_slave_ready_flag = !(nrf_gpio_pin_read(SER_PHY_SPI_MASTER_PIN_SLAVE_READY)); #endif NVIC_ClearPendingIRQ(SW_IRQn); }
void BSP_init(void) { uint32_t err_code; err_code = nrf_drv_timer_init(&TIMER1, NULL, Timer1_handler); APP_ERROR_CHECK(err_code); nrf_drv_timer_extended_compare(&TIMER1, NRF_TIMER_CC_CHANNEL0 , nrf_drv_timer_ms_to_ticks(&TIMER1, 1000/BSP_TICKS_PER_SEC) , NRF_TIMER_SHORT_COMPARE0_CLEAR_MASK, true); // Configure button 1 for low accuracy (why not high accuracy?) Q_ALLEGE(nrf_drv_gpiote_init() == NRF_SUCCESS); nrf_drv_gpiote_in_config_t config = GPIOTE_CONFIG_IN_SENSE_TOGGLE(true); config.pull = NRF_GPIO_PIN_PULLUP; Q_ALLEGE(nrf_drv_gpiote_in_init(BTN_PIN, &config, btn1_event_handler) == NRF_SUCCESS); nrf_drv_gpiote_in_event_enable(BTN_PIN, /* int enable = */ true); NRF_GPIO->DIRSET = 1 << GPIO_TP; /* initialize the QS software tracing... */ if (QS_INIT((void *)0) == 0) { Q_ERROR(); } }
IOEventFlags jshPinWatch(Pin pin, bool shouldWatch) { if (!jshIsPinValid(pin)) return EV_NONE; uint32_t p = (uint32_t)pinInfo[pin].pin; if (shouldWatch) { nrf_drv_gpiote_in_config_t cls_1_config = GPIOTE_CONFIG_IN_SENSE_TOGGLE(true); nrf_drv_gpiote_in_init(p, &cls_1_config, jsvPinWatchHandler); nrf_drv_gpiote_in_event_enable(p, true); return jshGetEventFlagsForWatchedPin(p); } else { nrf_drv_gpiote_in_event_disable(p); return EV_NONE; } } // start watching pin - return the EXTI associated with it
void nrf_gpiote_init(void){ uint32_t err_code; if(!nrf_drv_gpiote_is_init()) { err_code = nrf_drv_gpiote_init(); } APP_ERROR_CHECK(err_code); nrf_drv_gpiote_in_config_t rfid_config = GPIOTE_CONFIG_IN_SENSE_TOGGLE(false); rfid_config.pull = NRF_GPIO_PIN_PULLDOWN; nrf_drv_gpiote_in_init(RFID_INTERRUPT_PIN, &rfid_config, pin_event_handler); nrf_drv_gpiote_in_event_enable(RFID_INTERRUPT_PIN, true); }
uint32_t app_button_init(app_button_cfg_t * p_buttons, uint8_t button_count, uint32_t detection_delay) { uint32_t err_code; if (detection_delay < APP_TIMER_MIN_TIMEOUT_TICKS) { return NRF_ERROR_INVALID_PARAM; } if (!nrf_drv_gpiote_is_init()) { err_code = nrf_drv_gpiote_init(); if (err_code != NRF_SUCCESS) { return err_code; } } // Save configuration. mp_buttons = p_buttons; m_button_count = button_count; m_detection_delay = detection_delay; m_pin_state = 0; m_pin_transition = 0; while (button_count--) { app_button_cfg_t * p_btn = &p_buttons[button_count]; nrf_drv_gpiote_in_config_t config = GPIOTE_CONFIG_IN_SENSE_TOGGLE(false); config.pull = p_btn->pull_cfg; err_code = nrf_drv_gpiote_in_init(p_btn->pin_no, &config, gpiote_event_handler); if (err_code != NRF_SUCCESS) { return err_code; } } // Create polling timer. return app_timer_create(&m_detection_delay_timer_id, APP_TIMER_MODE_SINGLE_SHOT, detection_delay_timeout_handler); }
uint32_t app_gpiote_user_register(app_gpiote_user_id_t * p_user_id, uint32_t pins_low_to_high_mask, uint32_t pins_high_to_low_mask, app_gpiote_event_handler_t event_handler) { uint32_t user_pin_mask; uint32_t ret_val = NRF_SUCCESS; // Check state and parameters. VERIFY_MODULE_INITIALIZED(); if (event_handler == NULL) { return NRF_ERROR_INVALID_PARAM; } if (m_user_count >= m_user_array_size) { return NRF_ERROR_NO_MEM; } user_pin_mask = pins_low_to_high_mask | pins_high_to_low_mask; // Allocate new user. mp_users[m_user_count].pins_mask = user_pin_mask; mp_users[m_user_count].pins_low_to_high_mask = pins_low_to_high_mask; mp_users[m_user_count].pins_high_to_low_mask = pins_high_to_low_mask; mp_users[m_user_count].event_handler = event_handler; mp_users[m_user_count].enabled = false; *p_user_id = m_user_count++; uint32_t mask = 1; uint32_t i; const nrf_drv_gpiote_in_config_t config = GPIOTE_CONFIG_IN_SENSE_TOGGLE(false); for (i = 0; i < 32; i++) { if ((mask & user_pin_mask) & ~m_pins) { ret_val = nrf_drv_gpiote_in_init(i, &config, gpiote_handler); VERIFY_SUCCESS(ret_val); m_pins |= mask; } mask <<= 1; } return ret_val; }
static void gpio_init(void) { ret_code_t err_code; err_code = nrf_drv_gpiote_init(); APP_ERROR_CHECK(err_code); nrf_drv_gpiote_out_config_t out_config = GPIOTE_CONFIG_OUT_SIMPLE(false); err_code = nrf_drv_gpiote_out_init(PIN_OUT, &out_config); APP_ERROR_CHECK(err_code); nrf_drv_gpiote_in_config_t in_config = GPIOTE_CONFIG_IN_SENSE_TOGGLE(true); in_config.pull = NRF_GPIO_PIN_PULLUP; err_code = nrf_drv_gpiote_in_init(PIN_IN, &in_config, in_pin_handler); APP_ERROR_CHECK(err_code); nrf_drv_gpiote_in_event_enable(PIN_IN, true); }
uint32_t app_uart_init(const app_uart_comm_params_t * p_comm_params, app_uart_buffers_t * p_buffers, app_uart_event_handler_t event_handler, app_irq_priority_t irq_priority, uint16_t * p_app_uart_uid) { uint32_t err_code; m_current_state = UART_OFF; m_event_handler = event_handler; m_rx_byte = BYTE_INVALID; // Configure RX and TX pins. nrf_gpio_pin_set(p_comm_params->tx_pin_no); nrf_gpio_cfg_output(p_comm_params->tx_pin_no); nrf_gpio_cfg_input(p_comm_params->rx_pin_no, NRF_GPIO_PIN_PULLUP); NRF_UART0->PSELTXD = p_comm_params->tx_pin_no; NRF_UART0->PSELRXD = p_comm_params->rx_pin_no; // Configure baud rate and parity. NRF_UART0->BAUDRATE = (p_comm_params->baud_rate << UART_BAUDRATE_BAUDRATE_Pos); if (p_comm_params->use_parity) { NRF_UART0->CONFIG = (UART_CONFIG_PARITY_Included << UART_CONFIG_PARITY_Pos); } else { NRF_UART0->CONFIG = (UART_CONFIG_PARITY_Excluded << UART_CONFIG_PARITY_Pos); } if (p_comm_params->flow_control == APP_UART_FLOW_CONTROL_LOW_POWER) { if (!nrf_drv_gpiote_is_init()) { err_code = nrf_drv_gpiote_init(); if (err_code != NRF_SUCCESS) { return err_code; } } // Configure hardware flow control. nrf_drv_gpiote_out_config_t rts_config = GPIOTE_CONFIG_OUT_SIMPLE(true); err_code = nrf_drv_gpiote_out_init(p_comm_params->rts_pin_no, &rts_config); if (err_code != NRF_SUCCESS) { return err_code; } NRF_UART0->PSELCTS = UART_PIN_DISCONNECTED; NRF_UART0->PSELRTS = p_comm_params->rts_pin_no; NRF_UART0->CONFIG |= (UART_CONFIG_HWFC_Enabled << UART_CONFIG_HWFC_Pos); // Setup the gpiote to handle pin events on cts-pin. // For the UART we want to detect both low->high and high->low transitions in order to // know when to activate/de-activate the TX/RX in the UART. // Configure pin. nrf_drv_gpiote_in_config_t cts_config = GPIOTE_CONFIG_IN_SENSE_TOGGLE(false); err_code = nrf_drv_gpiote_in_init(p_comm_params->cts_pin_no, &cts_config, gpiote_uart_event_handler); if (err_code != NRF_SUCCESS) { return err_code; } nrf_drv_gpiote_in_event_enable(p_comm_params->cts_pin_no, true); // UART CTS pin is active when low. if (nrf_drv_gpiote_in_is_set(p_comm_params->cts_pin_no)) { on_uart_event(ON_CTS_HIGH); } else { on_uart_event(ON_CTS_LOW); } } else if (p_comm_params->flow_control == APP_UART_FLOW_CONTROL_ENABLED) { uart_standard_flow_control_init(p_comm_params); m_current_state = UART_READY; } else { uart_no_flow_control_init(); m_current_state = UART_READY; } if (*p_app_uart_uid == UART_INSTANCE_ID_INVALID) { *p_app_uart_uid = m_instance_counter++; } // Enable UART interrupt NRF_UART0->INTENCLR = 0xffffffffUL; NRF_UART0->INTENSET = (UART_INTENSET_RXDRDY_Set << UART_INTENSET_RXDRDY_Pos) | (UART_INTENSET_TXDRDY_Set << UART_INTENSET_TXDRDY_Pos) | (UART_INTENSET_ERROR_Set << UART_INTENSET_ERROR_Pos); NVIC_ClearPendingIRQ(UART_IRQ); NVIC_SetPriority(UART_IRQ, irq_priority); NVIC_EnableIRQ(UART_IRQ); return NRF_SUCCESS; }