| Marc Moreno Berengue | 20dab39 | 2017-11-29 13:18:58 +0000 | [diff] [blame] | 1 | /*
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| 2 | * Copyright (c) 2017 ARM Limited
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 |
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| 17 | #ifndef __UART_STDOUT_H__
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| 18 | #define __UART_STDOUT_H__
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| 19 |
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| 20 | #include <stdint.h>
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| 21 |
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| 22 | /**
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| 23 | * \brief UART channels that
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| 24 | * can be used from TFM
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| 25 | */
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| 26 | enum uart_channel {
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| 27 | UART0_CHANNEL = 0,
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| 28 | UART1_CHANNEL,
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| 29 | UART_INVALID
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| 30 | };
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| 31 |
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| 32 | /**
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| 33 | * \brief Initializes the UART.
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| 34 | *
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| 35 | * \param[in] uchan UART channel
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| 36 | * to use, 0 or 1.
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| 37 | */
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| 38 | void uart_init(enum uart_channel uchan);
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| 39 |
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| 40 | /**
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| 41 | * \brief Puts a character in the UART.
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| 42 | *
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| 43 | * \param[in] ch Character to write.
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| 44 | */
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| 45 | void uart_putc(unsigned char ch);
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| 46 |
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| 47 | /**
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| 48 | * \brief Gets a character from the UART.
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| 49 | *
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| 50 | * \return Character read from UART.
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| 51 | */
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| 52 | unsigned char uart_getc(void);
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| 53 |
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| 54 | #endif /* __UART_STDOUT_H__ */
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