RTC auf true
Diff: platform/mbed_sdk_boot.c
- Revision:
- 0:38ceb79fef03
diff -r 000000000000 -r 38ceb79fef03 platform/mbed_sdk_boot.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/platform/mbed_sdk_boot.c Wed Nov 28 15:10:15 2018 +0000 @@ -0,0 +1,114 @@ +/* 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