Thomas Lyp / DevLibMemoryController

Initial commit

Dependencies:   FastPWM

mbed-dev-master/hal/itm_api.h@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?

UserRevisionLine numberNew contents of line
lypinator 0:bb348c97df44 1 /** \addtogroup hal */
lypinator 0:bb348c97df44 2 /** @{*/
lypinator 0:bb348c97df44 3 /* mbed Microcontroller Library
lypinator 0:bb348c97df44 4 * Copyright (c) 2017 ARM Limited
lypinator 0:bb348c97df44 5 *
lypinator 0:bb348c97df44 6 * Licensed under the Apache License, Version 2.0 (the "License");
lypinator 0:bb348c97df44 7 * you may not use this file except in compliance with the License.
lypinator 0:bb348c97df44 8 * You may obtain a copy of the License at
lypinator 0:bb348c97df44 9 *
lypinator 0:bb348c97df44 10 * http://www.apache.org/licenses/LICENSE-2.0
lypinator 0:bb348c97df44 11 *
lypinator 0:bb348c97df44 12 * Unless required by applicable law or agreed to in writing, software
lypinator 0:bb348c97df44 13 * distributed under the License is distributed on an "AS IS" BASIS,
lypinator 0:bb348c97df44 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
lypinator 0:bb348c97df44 15 * See the License for the specific language governing permissions and
lypinator 0:bb348c97df44 16 * limitations under the License.
lypinator 0:bb348c97df44 17 */
lypinator 0:bb348c97df44 18
lypinator 0:bb348c97df44 19 #ifndef MBED_ITM_API_H
lypinator 0:bb348c97df44 20 #define MBED_ITM_API_H
lypinator 0:bb348c97df44 21
lypinator 0:bb348c97df44 22 #if defined(DEVICE_ITM)
lypinator 0:bb348c97df44 23
lypinator 0:bb348c97df44 24 #include <stdint.h>
lypinator 0:bb348c97df44 25 #include <stddef.h>
lypinator 0:bb348c97df44 26
lypinator 0:bb348c97df44 27 #ifdef __cplusplus
lypinator 0:bb348c97df44 28 extern "C" {
lypinator 0:bb348c97df44 29 #endif
lypinator 0:bb348c97df44 30
lypinator 0:bb348c97df44 31 /**
lypinator 0:bb348c97df44 32 * \defgroup itm_hal Instrumented Trace Macrocell HAL API
lypinator 0:bb348c97df44 33 * @{
lypinator 0:bb348c97df44 34 */
lypinator 0:bb348c97df44 35
lypinator 0:bb348c97df44 36 enum {
lypinator 0:bb348c97df44 37 ITM_PORT_SWO = 0
lypinator 0:bb348c97df44 38 };
lypinator 0:bb348c97df44 39
lypinator 0:bb348c97df44 40 /**
lypinator 0:bb348c97df44 41 * @brief Target specific initialization function.
lypinator 0:bb348c97df44 42 * This function is responsible for initializing and configuring
lypinator 0:bb348c97df44 43 * the debug clock for the ITM and setting up the SWO pin for
lypinator 0:bb348c97df44 44 * debug output.
lypinator 0:bb348c97df44 45 *
lypinator 0:bb348c97df44 46 * The only Cortex-M register that should be modified is the clock
lypinator 0:bb348c97df44 47 * prescaler in TPI->ACPR.
lypinator 0:bb348c97df44 48 *
lypinator 0:bb348c97df44 49 * The generic mbed_itm_init initialization function will setup:
lypinator 0:bb348c97df44 50 *
lypinator 0:bb348c97df44 51 * ITM->LAR
lypinator 0:bb348c97df44 52 * ITM->TPR
lypinator 0:bb348c97df44 53 * ITM->TCR
lypinator 0:bb348c97df44 54 * ITM->TER
lypinator 0:bb348c97df44 55 * TPI->SPPR
lypinator 0:bb348c97df44 56 * TPI->FFCR
lypinator 0:bb348c97df44 57 * DWT->CTRL
lypinator 0:bb348c97df44 58 *
lypinator 0:bb348c97df44 59 * for SWO output on stimulus port 0.
lypinator 0:bb348c97df44 60 */
lypinator 0:bb348c97df44 61 void itm_init(void);
lypinator 0:bb348c97df44 62
lypinator 0:bb348c97df44 63 /**
lypinator 0:bb348c97df44 64 * @brief Initialization function for both generic registers and target specific clock and pin.
lypinator 0:bb348c97df44 65 */
lypinator 0:bb348c97df44 66 void mbed_itm_init(void);
lypinator 0:bb348c97df44 67
lypinator 0:bb348c97df44 68 /**
lypinator 0:bb348c97df44 69 * @brief Send data over ITM stimulus port.
lypinator 0:bb348c97df44 70 *
lypinator 0:bb348c97df44 71 * @param[in] port The stimulus port to send data over.
lypinator 0:bb348c97df44 72 * @param[in] data The 32-bit data to send.
lypinator 0:bb348c97df44 73 *
lypinator 0:bb348c97df44 74 * The data is written as a single 32-bit write to the port.
lypinator 0:bb348c97df44 75 *
lypinator 0:bb348c97df44 76 * @return value of data sent.
lypinator 0:bb348c97df44 77 */
lypinator 0:bb348c97df44 78 uint32_t mbed_itm_send(uint32_t port, uint32_t data);
lypinator 0:bb348c97df44 79
lypinator 0:bb348c97df44 80 /**
lypinator 0:bb348c97df44 81 * @brief Send a block of data over ITM stimulus port.
lypinator 0:bb348c97df44 82 *
lypinator 0:bb348c97df44 83 * @param[in] port The stimulus port to send data over.
lypinator 0:bb348c97df44 84 * @param[in] data The block of data to send.
lypinator 0:bb348c97df44 85 * @param[in] len The number of bytes of data to send.
lypinator 0:bb348c97df44 86 *
lypinator 0:bb348c97df44 87 * The data is written using multiple appropriately-sized port accesses for
lypinator 0:bb348c97df44 88 * efficient transfer.
lypinator 0:bb348c97df44 89 */
lypinator 0:bb348c97df44 90 void mbed_itm_send_block(uint32_t port, const void *data, size_t len);
lypinator 0:bb348c97df44 91
lypinator 0:bb348c97df44 92 /**@}*/
lypinator 0:bb348c97df44 93
lypinator 0:bb348c97df44 94 #ifdef __cplusplus
lypinator 0:bb348c97df44 95 }
lypinator 0:bb348c97df44 96 #endif
lypinator 0:bb348c97df44 97
lypinator 0:bb348c97df44 98 #endif
lypinator 0:bb348c97df44 99
lypinator 0:bb348c97df44 100 #endif /* MBED_ITM_API_H */
lypinator 0:bb348c97df44 101
lypinator 0:bb348c97df44 102 /**@}*/