diff options
Diffstat (limited to 'chip/nrf51/radio.c')
| -rw-r--r-- | chip/nrf51/radio.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/chip/nrf51/radio.c b/chip/nrf51/radio.c deleted file mode 100644 index af9d029a0d..0000000000 --- a/chip/nrf51/radio.c +++ /dev/null @@ -1,59 +0,0 @@ -/* Copyright 2016 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include "radio.h" - -int radio_disable(void) -{ - int timeout = 10000; - - NRF51_RADIO_DISABLED = 0; - NRF51_RADIO_DISABLE = 1; - - while (!NRF51_RADIO_DISABLED && timeout > 0) - timeout--; - - if (timeout == 0) - return EC_ERROR_TIMEOUT; - - return EC_SUCCESS; -} - -int radio_init(enum nrf51_radio_mode_t mode) -{ - int err_code = radio_disable(); - - if (mode == BLE_1MBIT) { - NRF51_RADIO_MODE = NRF51_RADIO_MODE_BLE_1MBIT; - - NRF51_RADIO_TIFS = 150; /* Bluetooth 4.1 Vol 6 pg 58 4.1 */ - - /* - * BLE never sends or receives two packets in a row. - * Enabling the radio means we want to transmit or receive. - * After transmission, disable as quickly as possible. - */ - NRF51_RADIO_SHORTS = NRF51_RADIO_SHORTS_READY_START | - NRF51_RADIO_SHORTS_END_DISABLE; - - /* Use factory parameters if available */ - if (!(NRF51_FICR_OVERRIDEEN & NRF51_FICR_OVERRIDEEN_BLE_BIT_N) - ) { - int i; - - for (i = 0; i < 4; i++) { - NRF51_RADIO_OVERRIDE(i) = - NRF51_FICR_BLE_1MBIT(i); - } - NRF51_RADIO_OVERRIDE(4) = NRF51_FICR_BLE_1MBIT(4) | - NRF51_RADIO_OVERRIDE_EN; - } - } else { - return EC_ERROR_UNIMPLEMENTED; - } - - return err_code; -} - |