RTC auf true
platform/mbed_sdk_boot.c
- Committer:
- kevman
- Date:
- 2019-03-13
- Revision:
- 2:7aab896b1a3b
- Parent:
- 0:38ceb79fef03
File content as of revision 2:7aab896b1a3b:
/* mbed Microcontroller Library * Copyright (c) 2017 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "mbed_toolchain.h" #include <stdlib.h> #include <stdint.h> #include "cmsis.h" /* This startup is for mbed 2 baremetal. There is no config for RTOS for mbed 2, * therefore we protect this file with MBED_CONF_RTOS_PRESENT * Note: The new consolidated started for mbed OS is in rtos/mbed_boot code file. */ #if !defined(MBED_CONF_RTOS_PRESENT) /* mbed_main is a function that is called before main() * mbed_sdk_init() is also a function that is called before main(), but unlike * mbed_main(), it is not meant for user code, but for the SDK itself to perform * initializations before main() is called. */ MBED_WEAK void mbed_main(void) { } /* This function can be implemented by the target to perform higher level target initialization */ MBED_WEAK void mbed_sdk_init(void) { } MBED_WEAK void software_init_hook_rtos() { // Nothing by default } void mbed_copy_nvic(void) { /* If vector address in RAM is defined, copy and switch to dynamic vectors. Exceptions for M0 which doesn't have VTOR register and for A9 for which CMSIS doesn't define NVIC_SetVector; in both cases target code is responsible for correctly handling the vectors. */ #if !defined(__CORTEX_M0) && !defined(__CORTEX_A9) #ifdef NVIC_RAM_VECTOR_ADDRESS uint32_t *old_vectors = (uint32_t *)SCB->VTOR; uint32_t *vectors = (uint32_t *)NVIC_RAM_VECTOR_ADDRESS; for (int i = 0; i < NVIC_NUM_VECTORS; i++) { vectors[i] = old_vectors[i]; } SCB->VTOR = (uint32_t)NVIC_RAM_VECTOR_ADDRESS; #endif /* NVIC_RAM_VECTOR_ADDRESS */ #endif /* !defined(__CORTEX_M0) && !defined(__CORTEX_A9) */ } /* Toolchain specific main code */ #if defined (__CC_ARM) || (defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 5010060)) int $Super$$main(void); int $Sub$$main(void) { mbed_main(); return $Super$$main(); } void _platform_post_stackheap_init(void) { mbed_copy_nvic(); mbed_sdk_init(); } #elif defined (__GNUC__) extern int __real_main(void); void software_init_hook(void) { mbed_copy_nvic(); mbed_sdk_init(); software_init_hook_rtos(); } int __wrap_main(void) { mbed_main(); return __real_main(); } #elif defined (__ICCARM__) int __low_level_init(void) { mbed_copy_nvic(); return 1; } #endif #endif