Initial commit
mbed-dev-master/targets/TARGET_STM/mbed_overrides.c@0:bb348c97df44, 2020-09-16 (annotated)
- Committer:
- lypinator
- Date:
- Wed Sep 16 01:11:49 2020 +0000
- Revision:
- 0:bb348c97df44
Added PWM
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
lypinator | 0:bb348c97df44 | 1 | /* mbed Microcontroller Library |
lypinator | 0:bb348c97df44 | 2 | * Copyright (c) 2017, STMicroelectronics |
lypinator | 0:bb348c97df44 | 3 | * All rights reserved. |
lypinator | 0:bb348c97df44 | 4 | * |
lypinator | 0:bb348c97df44 | 5 | * Redistribution and use in source and binary forms, with or without |
lypinator | 0:bb348c97df44 | 6 | * modification, are permitted provided that the following conditions are met: |
lypinator | 0:bb348c97df44 | 7 | * |
lypinator | 0:bb348c97df44 | 8 | * 1. Redistributions of source code must retain the above copyright notice, |
lypinator | 0:bb348c97df44 | 9 | * this list of conditions and the following disclaimer. |
lypinator | 0:bb348c97df44 | 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
lypinator | 0:bb348c97df44 | 11 | * this list of conditions and the following disclaimer in the documentation |
lypinator | 0:bb348c97df44 | 12 | * and/or other materials provided with the distribution. |
lypinator | 0:bb348c97df44 | 13 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
lypinator | 0:bb348c97df44 | 14 | * may be used to endorse or promote products derived from this software |
lypinator | 0:bb348c97df44 | 15 | * without specific prior written permission. |
lypinator | 0:bb348c97df44 | 16 | * |
lypinator | 0:bb348c97df44 | 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
lypinator | 0:bb348c97df44 | 18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
lypinator | 0:bb348c97df44 | 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
lypinator | 0:bb348c97df44 | 20 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
lypinator | 0:bb348c97df44 | 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
lypinator | 0:bb348c97df44 | 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
lypinator | 0:bb348c97df44 | 23 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
lypinator | 0:bb348c97df44 | 24 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
lypinator | 0:bb348c97df44 | 25 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
lypinator | 0:bb348c97df44 | 26 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
lypinator | 0:bb348c97df44 | 27 | */ |
lypinator | 0:bb348c97df44 | 28 | #include "cmsis.h" |
lypinator | 0:bb348c97df44 | 29 | |
lypinator | 0:bb348c97df44 | 30 | int mbed_sdk_inited = 0; |
lypinator | 0:bb348c97df44 | 31 | |
lypinator | 0:bb348c97df44 | 32 | // This function is called after RAM initialization and before main. |
lypinator | 0:bb348c97df44 | 33 | void mbed_sdk_init() |
lypinator | 0:bb348c97df44 | 34 | { |
lypinator | 0:bb348c97df44 | 35 | #if TARGET_STM32F7 |
lypinator | 0:bb348c97df44 | 36 | // The mbed_sdk_init can be called either during cold boot or during |
lypinator | 0:bb348c97df44 | 37 | // application boot after bootloader has been executed. |
lypinator | 0:bb348c97df44 | 38 | // In case the bootloader has already enabled the cache, |
lypinator | 0:bb348c97df44 | 39 | // is is needed to not enable it again. |
lypinator | 0:bb348c97df44 | 40 | if ((SCB->CCR & (uint32_t)SCB_CCR_IC_Msk) == 0) { // If ICache is disabled |
lypinator | 0:bb348c97df44 | 41 | SCB_EnableICache(); |
lypinator | 0:bb348c97df44 | 42 | } |
lypinator | 0:bb348c97df44 | 43 | if ((SCB->CCR & (uint32_t)SCB_CCR_DC_Msk) == 0) { // If DCache is disabled |
lypinator | 0:bb348c97df44 | 44 | SCB_EnableDCache(); |
lypinator | 0:bb348c97df44 | 45 | } |
lypinator | 0:bb348c97df44 | 46 | #endif /* TARGET_STM32F7 */ |
lypinator | 0:bb348c97df44 | 47 | |
lypinator | 0:bb348c97df44 | 48 | // Update the SystemCoreClock variable. |
lypinator | 0:bb348c97df44 | 49 | SystemCoreClockUpdate(); |
lypinator | 0:bb348c97df44 | 50 | HAL_Init(); |
lypinator | 0:bb348c97df44 | 51 | |
lypinator | 0:bb348c97df44 | 52 | /* Configure the System clock source, PLL Multiplier and Divider factors, |
lypinator | 0:bb348c97df44 | 53 | AHB/APBx prescalers and Flash settings */ |
lypinator | 0:bb348c97df44 | 54 | SetSysClock(); |
lypinator | 0:bb348c97df44 | 55 | SystemCoreClockUpdate(); |
lypinator | 0:bb348c97df44 | 56 | |
lypinator | 0:bb348c97df44 | 57 | mbed_sdk_inited = 1; |
lypinator | 0:bb348c97df44 | 58 | } |