void bon_w_footer(bon_w_doc* B)
{
if (B->flags & BON_W_FLAG_CRC)
{
// Add contribution of buffered data:
B->crc_inv = crc_update(B->crc_inv, B->buff, B->buff_ix);
uint32_t crc = B->crc_inv ^ 0xffffffff;
uint32_t crc_le = uint32_to_le(crc);
bon_w_raw_uint8 (B, BON_CTRL_FOOTER_CRC);
bon_w_raw_uint32(B, crc_le);
bon_w_raw_uint8 (B, BON_CTRL_FOOTER_CRC);
}
else
{
bon_w_raw_uint8 (B, BON_CTRL_FOOTER);
}
}
static void handle_get_msg(snrf_msg_t* msg)
{
/* capture before modifying */
const uint8_t key = msg->u.set.key;
/* completion sent back, assume success */
MAKE_COMPL_ERROR(msg, SNRF_ERR_SUCCESS);
switch (key)
{
case SNRF_KEY_STATE:
msg->u.compl.val = uint32_to_le(snrf_state);
break ;
case SNRF_KEY_CRC:
msg->u.compl.val = uint32_to_le(nrf_get_crc());
break ;
case SNRF_KEY_RATE:
{
#if (NRF_CONFIG_NRF24L01P == 1)
const uint8_t x = nrf24l01p_read_reg8(NRF24L01P_REG_RF_SETUP);
static const uint8_t map[] =
{
NRF24L01P_RATE_1MBPS,
NRF24L01P_RATE_2MBPS,
NRF24L01P_RATE_250KBPS,
NRF24L01P_RATE_250KBPS,
NRF24L01P_RATE_250KBPS
};
msg->u.compl.val = uint32_to_le(map[(x >> 3) & 5]);
#elif (NRF_CONFIG_NRF905 == 1)
msg->u.compl.val = uint32_to_le(SNRF_RATE_50KBPS);
#endif
break ;
}
#if (NRF_CONFIG_NRF24L01P == 1)
case SNRF_KEY_CHAN:
{
const uint8_t x = nrf24l01p_read_reg8(NRF24L01P_REG_RF_CH);
msg->u.compl.val = uint32_to_le(x);
break ;
}
#endif
case SNRF_KEY_ADDR_WIDTH:
msg->u.compl.val = uint32_to_le(nrf_get_addr_width());
break ;
case SNRF_KEY_RX_ADDR:
nrf_get_rx_addr((uint8_t*)&msg->u.compl.val);
break ;
case SNRF_KEY_TX_ADDR:
nrf_get_tx_addr((uint8_t*)&msg->u.compl.val);
break ;
case SNRF_KEY_TX_ACK:
msg->u.compl.val = uint32_to_le(nrf_get_tx_ack());
break ;
case SNRF_KEY_PAYLOAD_WIDTH:
msg->u.compl.val = uint32_to_le(nrf_get_payload_width());
break ;
case SNRF_KEY_UART_FLAGS:
msg->u.compl.val = uint32_to_le((uint32_t)uart_flags);
break ;
case SNRF_KEY_NRF_CHIPSET:
#if (NRF_CONFIG_NRF24L01P == 1)
msg->u.compl.val = uint32_to_le(SNRF_CHIPSET_NRF24L01P);
#else
msg->u.compl.val = uint32_to_le(SNRF_CHIPSET_NRF905);
#endif
break ;
default:
MAKE_COMPL_ERROR(msg, SNRF_ERR_KEY);
break ;
}
}