RTC auf true
Diff: hal/itm_api.h
- Revision:
- 0:38ceb79fef03
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hal/itm_api.h Wed Nov 28 15:10:15 2018 +0000 @@ -0,0 +1,102 @@ +/** \addtogroup hal */ +/** @{*/ +/* 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. + */ + +#ifndef MBED_ITM_API_H +#define MBED_ITM_API_H + +#if defined(DEVICE_ITM) + +#include <stdint.h> +#include <stddef.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \defgroup itm_hal Instrumented Trace Macrocell HAL API + * @{ + */ + +enum { + ITM_PORT_SWO = 0 +}; + +/** + * @brief Target specific initialization function. + * This function is responsible for initializing and configuring + * the debug clock for the ITM and setting up the SWO pin for + * debug output. + * + * The only Cortex-M register that should be modified is the clock + * prescaler in TPI->ACPR. + * + * The generic mbed_itm_init initialization function will setup: + * + * ITM->LAR + * ITM->TPR + * ITM->TCR + * ITM->TER + * TPI->SPPR + * TPI->FFCR + * DWT->CTRL + * + * for SWO output on stimulus port 0. + */ +void itm_init(void); + +/** + * @brief Initialization function for both generic registers and target specific clock and pin. + */ +void mbed_itm_init(void); + +/** + * @brief Send data over ITM stimulus port. + * + * @param[in] port The stimulus port to send data over. + * @param[in] data The 32-bit data to send. + * + * The data is written as a single 32-bit write to the port. + * + * @return value of data sent. + */ +uint32_t mbed_itm_send(uint32_t port, uint32_t data); + +/** + * @brief Send a block of data over ITM stimulus port. + * + * @param[in] port The stimulus port to send data over. + * @param[in] data The block of data to send. + * @param[in] len The number of bytes of data to send. + * + * The data is written using multiple appropriately-sized port accesses for + * efficient transfer. + */ +void mbed_itm_send_block(uint32_t port, const void *data, size_t len); + +/**@}*/ + +#ifdef __cplusplus +} +#endif + +#endif + +#endif /* MBED_ITM_API_H */ + +/**@}*/