mbed library sources
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targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/TARGET_DELTA_DFCM_NNN40/mbed_overrides.c@472:7bbab527289d, 2015-02-12 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Feb 12 13:00:07 2015 +0000
- Revision:
- 472:7bbab527289d
- Parent:
- 459:397407b8d9f7
- Child:
- 505:0be0981777d7
Synchronized with git revision 4a7b7d067deeff485150756fa782d3952e160017
Full URL: https://github.com/mbedmicro/mbed/commit/4a7b7d067deeff485150756fa782d3952e160017/
Modify 32MHz crystal setting for NRF51822, overrides file for DFCM-NNN40 target
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 459:397407b8d9f7 | 1 | /* mbed Microcontroller Library |
mbed_official | 472:7bbab527289d | 2 | * Copyright (c) 2006-2013 ARM Limited |
mbed_official | 472:7bbab527289d | 3 | * |
mbed_official | 472:7bbab527289d | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mbed_official | 472:7bbab527289d | 5 | * you may not use this file except in compliance with the License. |
mbed_official | 472:7bbab527289d | 6 | * You may obtain a copy of the License at |
mbed_official | 472:7bbab527289d | 7 | * |
mbed_official | 472:7bbab527289d | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mbed_official | 472:7bbab527289d | 9 | * |
mbed_official | 472:7bbab527289d | 10 | * Unless required by applicable law or agreed to in writing, software |
mbed_official | 472:7bbab527289d | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mbed_official | 472:7bbab527289d | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mbed_official | 472:7bbab527289d | 13 | * See the License for the specific language governing permissions and |
mbed_official | 472:7bbab527289d | 14 | * limitations under the License. |
mbed_official | 459:397407b8d9f7 | 15 | */ |
mbed_official | 472:7bbab527289d | 16 | |
mbed_official | 459:397407b8d9f7 | 17 | #include "cmsis.h" |
mbed_official | 459:397407b8d9f7 | 18 | |
mbed_official | 459:397407b8d9f7 | 19 | void mbed_sdk_init() |
mbed_official | 459:397407b8d9f7 | 20 | { |
mbed_official | 472:7bbab527289d | 21 | // Default SWIO setting, pull SWIO(p19) to low for turning antenna switch to BLE radiated path |
mbed_official | 459:397407b8d9f7 | 22 | NRF_GPIO->PIN_CNF[19] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos) |
mbed_official | 459:397407b8d9f7 | 23 | | (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos) |
mbed_official | 459:397407b8d9f7 | 24 | | (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos) |
mbed_official | 459:397407b8d9f7 | 25 | | (GPIO_PIN_CNF_INPUT_Disconnect << GPIO_PIN_CNF_INPUT_Pos) |
mbed_official | 459:397407b8d9f7 | 26 | | (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos); |
mbed_official | 459:397407b8d9f7 | 27 | |
mbed_official | 459:397407b8d9f7 | 28 | NRF_GPIO->OUTCLR = (GPIO_OUTCLR_PIN19_Clear << GPIO_OUTCLR_PIN19_Pos); |
mbed_official | 472:7bbab527289d | 29 | |
mbed_official | 472:7bbab527289d | 30 | // Config External Crystal to 32MHz |
mbed_official | 472:7bbab527289d | 31 | NRF_CLOCK->XTALFREQ = 0x00; |
mbed_official | 472:7bbab527289d | 32 | NRF_CLOCK->EVENTS_HFCLKSTARTED = 0; |
mbed_official | 472:7bbab527289d | 33 | NRF_CLOCK->TASKS_HFCLKSTART = 1; |
mbed_official | 472:7bbab527289d | 34 | while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0) |
mbed_official | 472:7bbab527289d | 35 | {// Do nothing. |
mbed_official | 472:7bbab527289d | 36 | } |
mbed_official | 459:397407b8d9f7 | 37 | } |