void radio_end_listen(void)
{
/* Stop the radio task */
radio_shutdown(0);
_debug_printf("XCVR should shutdown%s", "");
}
void test_main(void)
{
radio_shutdown(); // put radio into shutdown to avoid damage when writing to radio output pins
// testing dec_to_str
char test_buf[10];
const uint32_t a = 1023;
udec_to_str(test_buf, 9, a);
const int32_t b = -1023;
dec_to_str(test_buf, 9, b);
// setup uart
uart_init();
// setup packet handler
ph_setup();
test_ph_setup();
// start packet receiving
ph_start();
while (1) {
// testing packet handler
_delay_cycles(10000000);
test_packet_handler(test_message_0);
_delay_cycles(10000000);
test_packet_handler(test_message_1);
_delay_cycles(10000000);
test_packet_handler(test_message_2);
}
}
void radio_start_listen(volatile radio_packet_t * data, uint8_t is_manufacturing_mode)
{
if (!data)
{
_debug_printf("NULL data pointer%s", "");
return;
}
/* Set up the radio */
radio_init();
/* Set the pipe to some value that could never happen */
data->pipe = RADIO_PIPE_NONE;
/* Turn off the RADIO Task */
radio_shutdown(0);
/* Set the packet source pointer */
RadioPtr->PACKETPTR = (uint32_t)data->payload;
/* Set up the RADIO parameters */
RadioPtr->PCNF1 =
/* Disable data whitening agent */
(RADIO_PCNF1_WHITEEN_Disabled << RADIO_PCNF1_WHITEEN_Pos) |
/* Set endianness to BIG */
(RADIO_PCNF1_ENDIAN_Big << RADIO_PCNF1_ENDIAN_Pos) |
/* Set 'base' address length */
((ADDRESS_LENGTH - 1) << RADIO_PCNF1_BALEN_Pos) |
/* Set expected packet length */
(data->payloadLength << RADIO_PCNF1_STATLEN_Pos) |
/* Set the maximum length to the actual max packet size */
(MAX_PACKET_SIZE << RADIO_PCNF1_MAXLEN_Pos);
/* Set the listen addresses */
if (is_manufacturing_mode)
{
RadioPtr->PREFIX0 = radio_convert_byte('S') << 24 | /* 4. Manufacture secrets */
radio_convert_byte('M') << 16; /* 3. Manufacture uuid? */
RadioPtr->RXADDRESSES = 0x0C;
}
else
{
RadioPtr->PREFIX0 = radio_convert_byte('R') << 8 |
radio_convert_byte('K');
RadioPtr->RXADDRESSES = 0x03;
}
/* Set address bases */
RadioPtr->BASE0 = radio_convert_bytes("KIWI"); /* Beacon pipe */
RadioPtr->BASE1 = radio_convert_bytes("RNKI"); /* Random pipe */
/* Clear the event ready task flag */
RadioPtr->EVENTS_READY = 0U;
/* Tell the radio that the task is now receiving */
RadioPtr->TASKS_RXEN = 1U;
/* Wait for radio to ramp up */
wait_for_val_ne(&RadioPtr->EVENTS_READY);
_debug_printf("XCVR Turned on in RX mode%s", "");
}
/*
* Transmit a packet
* * to the specified address
* * the specified number of times
* * and wait a certain amount of microseconds between each packet.
*/
void radio_send_packet(volatile radio_packet_t * data, char * address, uint8_t count, uint8_t us_wait_after)
{
if (!count || !data || !address)
{
return;
}
/* Turn off the RADIO Task */
RadioPtr->TASKS_DISABLE = 1U;
/* Block until the radio is off */
wait_for_val_ne(&RadioPtr->EVENTS_DISABLED);
/* Set the packet source pointer */
RadioPtr->PACKETPTR = (uint32_t)data->payload;
/* Set up the RADIO parameters */
RadioPtr->PCNF1 =
/* Disable data whitening agent */
(RADIO_PCNF1_WHITEEN_Disabled << RADIO_PCNF1_WHITEEN_Pos) |
/* Set endianness to BIG */
(RADIO_PCNF1_ENDIAN_Big << RADIO_PCNF1_ENDIAN_Pos) |
/* Set 'base' address length */
((ADDRESS_LENGTH - 1) << RADIO_PCNF1_BALEN_Pos) |
/* Set packet length */
((data->payloadLength) << RADIO_PCNF1_STATLEN_Pos) |
/* Set the maximum length to zero (ignore) */
(MAX_PACKET_SIZE << RADIO_PCNF1_MAXLEN_Pos);
/* Clear the SHORTS register */
RadioPtr->SHORTS = 0b00000000;
/* Calculate the proper addresses */
RadioPtr->PREFIX0 = (uint32_t)radio_convert_byte(address[0]);
RadioPtr->BASE0 = radio_convert_bytes(address);
_debug_printf("Sending packet to address %s 0x%02x%08x",
address,
RadioPtr->PREFIX0,
RadioPtr->BASE0);
/* Tell the RADIO to use the above address */
RadioPtr->TXADDRESS = 0;
/* Clear event ready */
RadioPtr->EVENTS_READY = 0U;
/* Enable the TX Task */
RadioPtr->TASKS_TXEN = 1U;
/* Block until Radio is powered up */
wait_for_val_ne(&RadioPtr->EVENTS_READY);
while (count--)
{
/* Clear event flag */
RadioPtr->EVENTS_END = 0U;
/* Start the task */
RadioPtr->TASKS_START = 1U;
/* Reset the hold-down timer */
uint8_t hold_down_timer = 255;
/* Block until sent */
while (!RadioPtr->EVENTS_END && hold_down_timer--);
/* Wait the packet spacing */
nrf_delay_us(us_wait_after);
}
/* Stop Radio Task */
radio_shutdown(0);
}
