// 0 = success // 1 = init failed // 2 = set tx_power failed // 3 = enabled failed // 4 = set channel selection policy failed int RFduinoGZLL_begin(device_t device) { _device = device; if (! nrf_gzll_init(device == HOST ? NRF_GZLL_MODE_HOST : NRF_GZLL_MODE_DEVICE)) return 1; nrf_gzll_tx_power_t tx_power; if (RFduinoGZLL_tx_power_level <= -20) tx_power = NRF_GZLL_TX_POWER_N20_DBM; else if (RFduinoGZLL_tx_power_level <= -16) tx_power = NRF_GZLL_TX_POWER_N16_DBM; else if (RFduinoGZLL_tx_power_level <= -12) tx_power = NRF_GZLL_TX_POWER_N12_DBM; else if (RFduinoGZLL_tx_power_level <= -16) tx_power = NRF_GZLL_TX_POWER_N16_DBM; else if (RFduinoGZLL_tx_power_level <= -8) tx_power = NRF_GZLL_TX_POWER_N8_DBM; else if (RFduinoGZLL_tx_power_level <= -4) tx_power = NRF_GZLL_TX_POWER_N4_DBM; else if (RFduinoGZLL_tx_power_level <= 0) tx_power = NRF_GZLL_TX_POWER_0_DBM; else tx_power = NRF_GZLL_TX_POWER_4_DBM; if (! nrf_gzll_set_tx_power(tx_power)) return 2; if (! nrf_gzll_set_device_channel_selection_policy(NRF_GZLL_DEVICE_CHANNEL_SELECTION_POLICY_USE_CURRENT)) return 4; if (RFduinoGZLL_host_base_address ) { uint8_t msb = RFduinoGZLL_host_base_address >> 24; if (msb == 0x55 || msb == 0xAA) return 5; // msb of base address should not be alternating 0s and 1s if ( !nrf_gzll_set_base_address_0(RFduinoGZLL_host_base_address) ) return 5; } if (RFduinoGZLL_device_base_address) { uint8_t msb = RFduinoGZLL_device_base_address >> 24; if (msb == 0x55 || msb == 0xAA) return 6; // msb of base address should not be alternating 0s and 1s if ( !nrf_gzll_set_base_address_1(RFduinoGZLL_device_base_address) ) return 6; } if (! nrf_gzll_enable()) return 3; RFduinoGZLL_enabled = 1; return 0; }
bool gzp_update_radio_params(const uint8_t* system_address) { uint8_t i; uint8_t channels[NRF_GZLL_CONST_MAX_CHANNEL_TABLE_SIZE]; uint32_t channel_table_size; uint32_t pairing_base_address_32, system_address_32; bool update_ok = true; bool gzll_enabled_state; gzll_enabled_state = nrf_gzll_is_enabled(); // Configure "global" pairing address pairing_base_address_32 = (pairing_base_address[0]) + ((uint32_t)pairing_base_address[1] << 8) + ((uint32_t)pairing_base_address[2] << 16) + ((uint32_t)pairing_base_address[3] << 24) ; if(system_address != NULL) { system_address_32 = (system_address[0]) + ((uint32_t)system_address[1] << 8) + ((uint32_t)system_address[2] << 16) + ((uint32_t)system_address[3] << 24) ; } else { return false; } nrf_gzp_disable_gzll(); update_ok = update_ok && nrf_gzll_set_base_address_0(pairing_base_address_32); update_ok = update_ok && nrf_gzll_set_address_prefix_byte(GZP_PAIRING_PIPE, pairing_address_prefix_byte); update_ok = update_ok && nrf_gzll_set_base_address_1(system_address_32); // Configure address for pipe 1 - 5. Address byte set to equal pipe number. for(i = 1; i < NRF_GZLL_CONST_PIPE_COUNT; i++) { update_ok = update_ok && nrf_gzll_set_address_prefix_byte(i,i); } channel_table_size = nrf_gzll_get_channel_table_size(); gzp_generate_channels(&channels[0], system_address, channel_table_size); // Write generated channel subset to Gazell Link Layer update_ok = update_ok && nrf_gzll_set_channel_table(&channels[0], channel_table_size); if(gzll_enabled_state) { update_ok = update_ok && nrf_gzll_enable(); } return update_ok; }