void radio_sb_init( hal_nrf_operation_mode_t operational_mode )
{
if( !bus_initialized )
radio_bus_init();
switch( operational_mode )
{
case HAL_NRF_PRX:
radio_mode = DEVICE_PRX_SB;
break;
case HAL_NRF_PTX:
radio_mode = DEVICE_PTX_SB;
break;
}
hal_nrf_close_pipe(HAL_NRF_ALL); // First close all radio pipes
// Pipe 0 and 1 open by default
hal_nrf_open_pipe(HAL_NRF_PIPE0, false); // Open pipe0, without/autoack
hal_nrf_set_crc_mode(HAL_NRF_CRC_16BIT); // Operates in 16bits CRC mode
hal_nrf_set_auto_retr(0, RF_RETRANS_DELAY); // Disables auto retransmit
hal_nrf_set_address_width(HAL_NRF_AW_5BYTES); // 5 bytes address width
hal_nrf_set_address(HAL_NRF_TX, address); // Set device's addresses
hal_nrf_set_address(HAL_NRF_PIPE0, address); // Sets recieving address on
// pipe0
if(operational_mode == HAL_NRF_PTX) // Mode depentant settings
{
hal_nrf_set_operation_mode(HAL_NRF_PTX); // Enter TX mode
}
else
{
hal_nrf_set_operation_mode(HAL_NRF_PRX); // Enter RX mode
hal_nrf_set_rx_pload_width((uint8_t)HAL_NRF_PIPE0, RF_PAYLOAD_LENGTH);
// Pipe0 expect
// PAYLOAD_LENGTH byte payload
// PAYLOAD_LENGTH in radio.h
}
hal_nrf_set_rf_channel(RF_CHANNEL); // Operating on static channel
// Defined in radio.h.
// Frequenzy =
// 2400 + RF_CHANNEL
hal_nrf_set_power_mode(HAL_NRF_PWR_UP); // Power up device
//hal_nrf_set_datarate(HAL_NRF_1MBPS); // Uncomment this line for
// compatibility with nRF2401
// and nRF24E1
radio_wait();
radio_set_status (RF_IDLE); // Radio now ready
}
void radio_esb_init( hal_nrf_operation_mode_t operational_mode )
{
if( !bus_initialized )
radio_bus_init();
switch( operational_mode )
{
case HAL_NRF_PRX:
radio_mode = DEVICE_PRX_ESB;
break;
case HAL_NRF_PTX:
radio_mode = DEVICE_PTX_ESB;
break;
}
hal_nrf_close_pipe( HAL_NRF_ALL ); // First close all radio pipes
// Pipe 0 and 1 open by default
hal_nrf_open_pipe( HAL_NRF_PIPE0, true ); // Then open pipe0, w/autoack
// Changed from sb/radio_sb.c
hal_nrf_set_crc_mode( HAL_NRF_CRC_16BIT ); // Operates in 16bits CRC mode
hal_nrf_set_auto_retr( RF_RETRANSMITS, RF_RETRANS_DELAY );
// Enables auto retransmit.
// 3 retrans with 250ms delay
// Changed from sb/radio_sb.c
hal_nrf_set_address_width( HAL_NRF_AW_5BYTES ); // 5 bytes address width
hal_nrf_set_address( HAL_NRF_TX, address ); // Set device's addresses
hal_nrf_set_address( HAL_NRF_PIPE0, address ); // Sets recieving address on
// pipe0
if( operational_mode == HAL_NRF_PTX ) // Mode depentant settings
{
hal_nrf_set_operation_mode( HAL_NRF_PTX ); // Enter TX mode
}
else
{
hal_nrf_set_operation_mode( HAL_NRF_PRX ); // Enter RX mode
hal_nrf_set_rx_pload_width( (uint8_t)HAL_NRF_PIPE0, RF_PAYLOAD_LENGTH );
// Pipe0 expect
// PAYLOAD_LENGTH byte payload
// PAYLOAD_LENGTH in radio.h
}
hal_nrf_set_rf_channel( RF_CHANNEL ); // Operating on static channel
// Defined in radio.h.
// Frequenzy =
// 2400 + RF_CHANNEL
hal_nrf_set_power_mode( HAL_NRF_PWR_UP ); // Power up device
radio_wait();
radio_set_status( RF_IDLE ); // Radio now ready
}
void radio_sb_init (const uint8_t *address, hal_nrf_operation_mode_t operational_mode)
{
hal_nrf_close_pipe(HAL_NRF_ALL); // First close all radio pipes
// Pipe 0 and 1 open by default
hal_nrf_open_pipe(HAL_NRF_PIPE0, FALSE); // Open pipe0, without/autoack
hal_nrf_set_crc_mode(HAL_NRF_CRC_16BIT); // Operates in 16bits CRC mode
hal_nrf_set_auto_retr(0, RF_RETRANS_DELAY); // Disables auto retransmit
hal_nrf_set_address_width(HAL_NRF_AW_5BYTES); // 5 bytes address width
hal_nrf_set_address(HAL_NRF_TX, address); // Set device's addresses
hal_nrf_set_address(HAL_NRF_PIPE0, address); // Sets recieving address on
// pipe0
if(operational_mode == HAL_NRF_PTX) // Mode depentant settings
{
hal_nrf_set_operation_mode(HAL_NRF_PTX); // Enter TX mode
}
else
{
hal_nrf_set_operation_mode(HAL_NRF_PRX); // Enter RX mode
hal_nrf_set_rx_pload_width((uint8_t)HAL_NRF_PIPE0, RF_PAYLOAD_LENGTH);
// Pipe0 expect
// PAYLOAD_LENGTH byte payload
// PAYLOAD_LENGTH in radio.h
}
hal_nrf_set_rf_channel(RF_CHANNEL); // Operating on static channel
// Defined in radio.h.
// Frequenzy =
// 2400 + RF_CHANNEL
hal_nrf_set_power_mode(HAL_NRF_PWR_UP); // Power up device
hal_nrf_set_datarate(HAL_NRF_250KBPS); // Uncomment this line for
// compatibility with nRF2401
// and nRF24E1
//hal_nrf_set_output_power(hal_nrf_output_power_t power); //default reset value is 0dbm
// Wait for the radio to power up, max. 4.5ms depending on crystal Ls
Timeout_SetTimeout2(5);
while(!Timeout_IsTimeout2());
radio_set_status (RF_IDLE); // Radio now ready
}
void gzll_rx_start()
{
uint8_t i;
uint32_t flag;
gzll_goto_idle();
if(gzll_rx_setup_modified)
{
flag = gzll_interupts_save();
gzll_rx_setup_modified = false;
gzll_tx_setup_modified = true;
/*
Restore pipe 0 address (this may have been altered during transmission)
*/
hal_nrf_set_address(HAL_NRF_PIPE0, gzll_p0_adr);
/*
Enable the receive pipes selected by gzll_set_param()
*/
hal_nrf_close_pipe(HAL_NRF_ALL);
for(i = 0; i < 6; i++)
{
if(gzll_dyn_params[GZLL_PARAM_RX_PIPES] & (1 << i))
{
hal_nrf_open_pipe((hal_nrf_address_t)i, EN_AA);
}
}
hal_nrf_set_operation_mode(HAL_NRF_PRX);
}
gzll_set_radio_power_on(true);
gzll_timeout_counter = 0;
gzll_state_var = GZLL_HOST_ACTIVE;
GZLL_RFCE_HIGH();
gzll_interupts_restore(flag);
}
bool gzll_tx_data(const uint8_t *src, uint8_t length, uint8_t pipe)
{
uint8_t temp_address[GZLL_ADDRESS_WIDTH];
uint16_t temp;
uint32_t flag;
ASSERT(length <= GZLL_MAX_FW_PAYLOAD_LENGTH && length > 0);
ASSERT(pipe <= 5);
/*
Length check to prevent memory corruption. (Note, assertion
will capture this as well).
*/
if(length == 0 || length > GZLL_MAX_FW_PAYLOAD_LENGTH)
{
return false;
}
gzll_current_tx_payload_length = length;
if(gzll_state_var == GZLL_HOST_ACTIVE)
{
gzll_goto_idle();
}
flag = gzll_interupts_save();
/*
If the specified pipe is different from the previous TX pipe,
the TX setup must be updated
*/
if(pipe != gzll_current_tx_pipe)
{
gzll_current_tx_pipe = pipe;
gzll_tx_setup_modified = true;
}
/*
Here, state can be GZLL_IDLE or GZLL_DEVICE_ACTIVE
*/
if(gzll_state_var == GZLL_IDLE)
{
if(gzll_tx_setup_modified) // TX setup has to be restored?
{
gzll_tx_setup_modified = false;
gzll_rx_setup_modified = true;
hal_nrf_set_operation_mode(HAL_NRF_PTX);
hal_nrf_open_pipe(HAL_NRF_PIPE0, EN_AA);
//Read out the full RX address for pipe number "pipe"
if(pipe == HAL_NRF_PIPE0)
{
hal_nrf_set_address(HAL_NRF_TX, gzll_p0_adr);
hal_nrf_set_address(HAL_NRF_PIPE0, gzll_p0_adr);
}
else
{
//lint -esym(550,bytes_in_buffer) "variable not accessed"
//lint -esym(438,bytes_in_buffer) "last assigned value not used"
uint8_t bytes_in_buffer;
bytes_in_buffer = hal_nrf_get_address(HAL_NRF_PIPE1, temp_address);
if(pipe != HAL_NRF_PIPE1)
{
switch(pipe)
{
default:
case HAL_NRF_PIPE2:
bytes_in_buffer = hal_nrf_get_address(HAL_NRF_PIPE2, temp_address);
break;
case HAL_NRF_PIPE3:
bytes_in_buffer = hal_nrf_get_address(HAL_NRF_PIPE3, temp_address);
break;
case HAL_NRF_PIPE4:
bytes_in_buffer = hal_nrf_get_address(HAL_NRF_PIPE4, temp_address);
break;
case HAL_NRF_PIPE5:
bytes_in_buffer = hal_nrf_get_address(HAL_NRF_PIPE5, temp_address);
break;
}
bytes_in_buffer = bytes_in_buffer;
}
//Here, temp_address will contain the full TX address
hal_nrf_set_address(HAL_NRF_PIPE0, temp_address);
hal_nrf_set_address(HAL_NRF_TX, temp_address);
/*
Change seed for random generator. Will prevent different devices
transmitting to the same host from using the same channel hopping
sequence.
*/
//lint -esym(534, gzll_lfsr_get) "return value ignored"
gzll_lfsr_get(pipe, 1);
}
}
// Prepare for new transmission
gzll_timeout_counter = 0;
gzll_channel_switch_counter = 0;
gzll_try_counter = 0;
hal_nrf_flush_tx();
GZLL_UPLOAD_PAYLOAD_TO_RADIO();
gzll_tx_success_f = false; // Transmission by default "failure"
temp = gzll_dyn_params[GZLL_PARAM_DEVICE_MODE];
gzll_set_radio_power_on(true);
if(gzll_sync_on)
{
switch(temp)
{
case GZLL_DEVICE_MODE_2:
default:
gzll_start_new_tx(GZLL_CHANNEL_PREVIOUS_SUCCESS);
break;
case GZLL_DEVICE_MODE_3:
gzll_start_new_tx(GZLL_CHANNEL_RANDOM);
break;
case GZLL_DEVICE_MODE_4:
gzll_start_new_tx(GZLL_CHANNEL_ESTIMATED);
break;
}
}
else
{
switch(temp)
{
case GZLL_DEVICE_MODE_0:
case GZLL_DEVICE_MODE_2:
gzll_start_new_tx(GZLL_CHANNEL_PREVIOUS_SUCCESS);
break;
default:
gzll_start_new_tx(GZLL_CHANNEL_RANDOM);
break;
}
}
gzll_state_var = GZLL_DEVICE_ACTIVE;
gzll_interupts_restore(flag);
return true; // Payload successfully written to TX FIFO
}
else // Else TRANSMIT state
{
/*
Check if criteria for starting new transmission when already transmitting
is fulfilled
*/
if(!gzll_tx_setup_modified &&
!hal_nrf_tx_fifo_full()
)
{
GZLL_UPLOAD_PAYLOAD_TO_RADIO();
gzll_interupts_restore(flag);
return true; // Payload successfully written to TX FIFO
}
else
{
gzll_interupts_restore(flag);
return false; // Payload not written to TX FIFO
}
}
}
void radio_pl_init (const uint8_t *address, hal_nrf_operation_mode_t operational_mode)
{
hal_nrf_close_pipe(HAL_NRF_ALL); // First close all radio pipes
// Pipe 0 and 1 open by default
hal_nrf_open_pipe(HAL_NRF_PIPE0, true); // Then open pipe0, w/autoack
hal_nrf_set_crc_mode(HAL_NRF_CRC_16BIT); // Operates in 16bits CRC mode
hal_nrf_set_auto_retr(RF_RETRANSMITS, RF_RETRANS_DELAY);
// Enables auto retransmit.
// 3 retrans with 250ms delay
hal_nrf_set_address_width(HAL_NRF_AW_5BYTES); // 5 bytes address width
hal_nrf_set_address(HAL_NRF_TX, address); // Set device's addresses
hal_nrf_set_address(HAL_NRF_PIPE0, address); // Sets recieving address on
// pipe0
/*****************************************************************************
* Changed from esb/radio_esb.c *
* Enables: *
* - ACK payload *
* - Dynamic payload width *
* - Dynamic ACK *
*****************************************************************************/
hal_nrf_enable_ack_pl(); // Try to enable ack payload
// When the features are locked, the FEATURE and DYNPD are read out 0x00
// even after we have tried to enable ack payload. This mean that we need to
// activate the features.
if(hal_nrf_read_reg(FEATURE) == 0x00 && (hal_nrf_read_reg(DYNPD) == 0x00))
{
hal_nrf_lock_unlock (); // Activate features
hal_nrf_enable_ack_pl(); // Enables payload in ack
}
hal_nrf_enable_dynamic_pl(); // Enables dynamic payload
hal_nrf_setup_dyn_pl(ALL_PIPES); // Sets up dynamic payload on
// all data pipes.
/*****************************************************************************
* End changes from esb/radio_esb.c *
*****************************************************************************/
if(operational_mode == HAL_NRF_PTX) // Mode depentant settings
{
hal_nrf_set_operation_mode(HAL_NRF_PTX); // Enter TX mode
}
else
{
hal_nrf_set_operation_mode(HAL_NRF_PRX); // Enter RX mode
hal_nrf_set_rx_pload_width((uint8_t)HAL_NRF_PIPE0, RF_PAYLOAD_LENGTH);
// Pipe0 expect
// PAYLOAD_LENGTH byte payload
// PAYLOAD_LENGTH in radio.h
}
hal_nrf_set_rf_channel(RF_CHANNEL); // Operating on static channel
// Defined in radio.h.
// Frequenzy =
// 2400 + RF_CHANNEL
hal_nrf_set_power_mode(HAL_NRF_PWR_UP); // Power up device
start_timer(RF_POWER_UP_DELAY); // Wait for the radio to
wait_for_timer(); // power up
radio_set_status (RF_IDLE); // Radio now ready
}
/* To be compatible with nRF24L01, please disable the auto ack function. */
void epl_rf_en_rcv_pipe_config(hal_nrf_address_t in_pipe_num, char *in_pipe_rcv_addr, unsigned char in_pipe_pload_length, epl_rf_en_auto_ack_t in_auto_ack)
{
hal_nrf_open_pipe(in_pipe_num, in_auto_ack); // Open pipe and configure the auto ack function.
hal_nrf_set_address(in_pipe_num, in_pipe_rcv_addr); // Address for PRX pipe
hal_nrf_set_rx_payload_width(in_pipe_num, in_pipe_pload_length);
}
