app_states_t app_init(void)
{
if(usb_get_state() == USB_REM_WU_ENABLE)
{
return APP_SUSP_WE;
}
if(usb_get_state() == USB_REM_WU_DISABLE)
{
return APP_SUSP_WD;
}
/*
I3FR = 1; // rising edge SPI ready detect
INTEXP = 0x01; //Slave SPI Interrupt
SPI = 1; // Enable SPI Interrupt
*/
hal_nrf_enable_ack_payload(1);
hal_nrf_enable_dynamic_payload(1);
hal_nrf_setup_dynamic_payload(1 << 0); // Set up PIPE 0 to handle dynamic lengths
hal_nrf_set_operation_mode(HAL_NRF_PRX); // Configure radio as primary receiver (PTX)
//hal_nrf_set_rx_payload_width(HAL_NRF_PIPE0, 30); // Set payload width to 30 bytes
hal_nrf_set_power_mode(HAL_NRF_PWR_UP); // Power up radio
CE_HIGH(); // Enable receiver
return APP_NORMAL;
}
void init_radio()
{
// Enable the radio clock
RFCKEN = 1;
// Enable RF interrupt
RF = 1;
// Power up radio
hal_nrf_set_power_mode(HAL_NRF_PWR_UP);
hal_nrf_set_output_power(HAL_NRF_0DBM);
hal_nrf_enable_ack_payload(1);
hal_nrf_enable_dynamic_payload(1);
hal_nrf_setup_dynamic_payload(1); // Set up PIPE 0 to handle dynamic lengths
hal_nrf_set_rf_channel(125); // 2525 MHz
hal_nrf_set_auto_retr(5, 250); // Retry 5x
// Configure radio as primary receiver (PTX)
hal_nrf_set_operation_mode(HAL_NRF_PTX);
// Set payload width to 32 bytes
// hal_nrf_set_rx_payload_width(HAL_NRF_PIPE0, MAXLENGTH);
// Enable global interrupt
EA = 1;
}
void gzll_init(void)
{
uint32_t flag;
uint8_t temp_adr[GZLL_ADDRESS_WIDTH] = GZLL_DEFAULT_ADDRESS_PIPE1;
flag = gzll_interupts_save();
GZLL_RFCE_LOW();
hal_nrf_enable_ack_payload(true);
hal_nrf_enable_dynamic_payload(true);
hal_nrf_setup_dynamic_payload(0xff);
/*
Initialize status variables.
*/
gzll_channel_tab_index = 0;
gzll_channel_tab_size = GZLL_DEFAULT_CHANNEL_TAB_SIZE;
gzll_pending_goto_idle = false;
gzll_timer_period_modified = false;
gzll_current_tx_pipe = 0;
gzll_pending_tx_start = false;
gzll_tx_setup_modified = true;
gzll_rx_setup_modified = true;
gzll_radio_active_f = false;
gzll_tx_success_f = true;
gzll_sync_period = 0;
gzll_sync_on = false;
gzll_rx_dr = false;
gzll_rx_power_high_f = false;
gzll_ack_rx_pipe_fifo_cnt = 0;
/*
Set up default addresses.
*/
hal_nrf_set_address(HAL_NRF_PIPE0, gzll_p0_adr);
hal_nrf_set_address(HAL_NRF_PIPE1, temp_adr);
temp_adr[0] = GZLL_DEFAULT_ADDRESS_PIPE2;
hal_nrf_set_address(HAL_NRF_PIPE2, temp_adr);
temp_adr[0] = GZLL_DEFAULT_ADDRESS_PIPE3;
hal_nrf_set_address(HAL_NRF_PIPE3, temp_adr);
temp_adr[0] = GZLL_DEFAULT_ADDRESS_PIPE4;
hal_nrf_set_address(HAL_NRF_PIPE4, temp_adr);
temp_adr[0] = GZLL_DEFAULT_ADDRESS_PIPE5;
hal_nrf_set_address(HAL_NRF_PIPE5, temp_adr);
/*
Set up default channel.
*/
hal_nrf_set_rf_channel(gzll_channel_tab[gzll_channel_tab_index]);
/*
Initialize dynamic parameters using default values.
*/
gzll_dyn_params[GZLL_PARAM_DEVICE_MODE] = GZLL_DEFAULT_PARAM_DEVICE_MODE;
gzll_dyn_params[GZLL_PARAM_TX_TIMEOUT] = GZLL_DEFAULT_PARAM_TX_TIMEOUT;
gzll_dyn_params[GZLL_PARAM_TX_ATTEMPTS_PR_CHANNEL_WHEN_SYNC_ON] = GZLL_DEFAULT_PARAM_TX_ATTEMPTS_PR_CHANNEL_WHEN_SYNC_ON;
gzll_dyn_params[GZLL_PARAM_TX_ATTEMPTS_PR_CHANNEL_WHEN_SYNC_OFF] = GZLL_DEFAULT_PARAM_TX_ATTEMPTS_PR_CHANNEL_WHEN_SYNC_OFF;
gzll_dyn_params[GZLL_PARAM_HOST_MODE] = GZLL_DEFAULT_PARAM_HOST_MODE;
gzll_dyn_params[GZLL_PARAM_RX_PIPES] = GZLL_DEFAULT_PARAM_RX_PIPES;
gzll_dyn_params[GZLL_PARAM_CRYPT_PIPES] = GZLL_DEFAULT_PARAM_CRYPT_PIPES;
gzll_dyn_params[GZLL_PARAM_RX_TIMEOUT] = GZLL_DEFAULT_PARAM_RX_TIMEOUT;
gzll_dyn_params[GZLL_PARAM_HOST_MODE_1_CYCLE_PERIOD] = GZLL_DEFAULT_PARAM_HOST_MODE_1_CYCLE_PERIOD;
gzll_dyn_params[GZLL_PARAM_RX_PERIOD] = GZLL_DEFAULT_PARAM_RX_PERIOD;
gzll_dyn_params[GZLL_PARAM_RX_PERIOD_MODIFIER] = GZLL_DEFAULT_PARAM_RX_PERIOD_MODIFIER;
gzll_dyn_params[GZLL_PARAM_RX_CHANNEL_HOLD_PERIODS] = GZLL_DEFAULT_PARAM_RX_CHANNEL_HOLD_PERIODS;
gzll_dyn_params[GZLL_PARAM_OUTPUT_POWER] = GZLL_DEFAULT_PARAM_OUTPUT_POWER;
gzll_dyn_params[GZLL_PARAM_POWER_DOWN_IDLE_ENABLE] = GZLL_DEFAULT_PARAM_POWER_DOWN_IDLE_ENABLE;
gzll_dyn_params[GZLL_PARAM_MAX_SYNC_PERIOD] = GZLL_DEFAULT_PARAM_MAX_SYNC_PERIOD;
gzll_dyn_params[GZLL_PARAM_COLLISION_CHANNEL_SWITCH_LIMIT] = GZLL_DEFAULT_PARAM_COLLISION_CHANNEL_SWITCH_LIMIT;
/*
Set up default output power.
*/
hal_nrf_set_output_power((hal_nrf_output_power_t) gzll_dyn_params[GZLL_PARAM_OUTPUT_POWER]);
/*
Static radio setup.
*/
hal_nrf_set_datarate(GZLL_HAL_DATARATE);
hal_nrf_set_crc_mode(GZLL_CRC);
hal_nrf_set_address_width(GZLL_ADDRESS_WIDTH);
/*
Clear radio IRQ flags.
*/
//lint -esym(534, hal_nrf_get_clear_irq_flags) "return value ignored"
hal_nrf_get_clear_irq_flags();
hal_nrf_flush_rx();
hal_nrf_flush_tx();
gzll_set_timer_period(GZLL_DEFAULT_PARAM_RX_PERIOD);
gzll_set_system_idle();
gzll_interupts_restore(flag);
}