mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_GigaDevice/TARGET_GD32E10X/mbed_overrides.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 189:f392fc9709a3 1 /* mbed Microcontroller Library
AnnaBridge 189:f392fc9709a3 2 * Copyright (c) 2018 GigaDevice Semiconductor Inc.
AnnaBridge 189:f392fc9709a3 3 *
AnnaBridge 189:f392fc9709a3 4 * SPDX-License-Identifier: Apache-2.0
AnnaBridge 189:f392fc9709a3 5 *
AnnaBridge 189:f392fc9709a3 6 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 189:f392fc9709a3 7 * you may not use this file except in compliance with the License.
AnnaBridge 189:f392fc9709a3 8 * You may obtain a copy of the License at
AnnaBridge 189:f392fc9709a3 9 *
AnnaBridge 189:f392fc9709a3 10 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 189:f392fc9709a3 11 *
AnnaBridge 189:f392fc9709a3 12 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 189:f392fc9709a3 13 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 189:f392fc9709a3 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 189:f392fc9709a3 15 * See the License for the specific language governing permissions and
AnnaBridge 189:f392fc9709a3 16 * limitations under the License.
AnnaBridge 189:f392fc9709a3 17 */
AnnaBridge 189:f392fc9709a3 18 #include "gd32e10x.h"
AnnaBridge 189:f392fc9709a3 19 #include "cmsis.h"
AnnaBridge 189:f392fc9709a3 20 #include "hal_tick.h"
AnnaBridge 189:f392fc9709a3 21
AnnaBridge 189:f392fc9709a3 22 int mbed_sdk_inited = 0;
AnnaBridge 189:f392fc9709a3 23
AnnaBridge 189:f392fc9709a3 24 /*!
AnnaBridge 189:f392fc9709a3 25 \brief configure the system clock to 120M by PLL which selects HXTAL(8M) as its clock source
AnnaBridge 189:f392fc9709a3 26 \param[in] none
AnnaBridge 189:f392fc9709a3 27 \param[out] none
AnnaBridge 189:f392fc9709a3 28 \retval none
AnnaBridge 189:f392fc9709a3 29 */
AnnaBridge 189:f392fc9709a3 30 #if TICKER_TIMER_WIDTH_BIT == 16
AnnaBridge 189:f392fc9709a3 31 extern void ticker_16bits_timer_init(void);
AnnaBridge 189:f392fc9709a3 32 #else
AnnaBridge 189:f392fc9709a3 33 extern void ticker_32bits_timer_init(void);
AnnaBridge 189:f392fc9709a3 34 #endif
AnnaBridge 189:f392fc9709a3 35
AnnaBridge 189:f392fc9709a3 36 /**
AnnaBridge 189:f392fc9709a3 37 * SDK hook for running code before ctors or OS
AnnaBridge 189:f392fc9709a3 38 *
AnnaBridge 189:f392fc9709a3 39 * This is a weak function which can be overridden by a target's
AnnaBridge 189:f392fc9709a3 40 * SDK to allow code to run after ram is initialized but before
AnnaBridge 189:f392fc9709a3 41 * the OS has been started or constructors have run.
AnnaBridge 189:f392fc9709a3 42 *
AnnaBridge 189:f392fc9709a3 43 * Preconditions:
AnnaBridge 189:f392fc9709a3 44 * - Ram is initialized
AnnaBridge 189:f392fc9709a3 45 * - NVIC is setup
AnnaBridge 189:f392fc9709a3 46 */
AnnaBridge 189:f392fc9709a3 47 /**
AnnaBridge 189:f392fc9709a3 48 * This function is called after RAM initialization and before main.
AnnaBridge 189:f392fc9709a3 49 */
AnnaBridge 189:f392fc9709a3 50 void mbed_sdk_init()
AnnaBridge 189:f392fc9709a3 51 {
AnnaBridge 189:f392fc9709a3 52 nvic_priority_group_set(NVIC_PRIGROUP_PRE4_SUB0);
AnnaBridge 189:f392fc9709a3 53
AnnaBridge 189:f392fc9709a3 54 /* configure 1ms tick */
AnnaBridge 189:f392fc9709a3 55 #if TICKER_TIMER_WIDTH_BIT == 16
AnnaBridge 189:f392fc9709a3 56 ticker_16bits_timer_init();
AnnaBridge 189:f392fc9709a3 57 #else
AnnaBridge 189:f392fc9709a3 58 ticker_32bits_timer_init();
AnnaBridge 189:f392fc9709a3 59 #endif
AnnaBridge 189:f392fc9709a3 60
AnnaBridge 189:f392fc9709a3 61 mbed_sdk_inited = 1;
AnnaBridge 189:f392fc9709a3 62 }