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;
}
