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71 lines
2.5 KiB
71 lines
2.5 KiB
/****************************************************************************** |
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* |
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* Copyright (C) 2009-2012 Broadcom Corporation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at: |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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******************************************************************************/ |
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// This module manages the serial port over which HCI commands |
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// and data are sent/received. |
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#pragma once |
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#include <stdbool.h> |
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#include <stdint.h> |
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typedef enum { |
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USERIAL_PORT_1, |
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USERIAL_PORT_2, |
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USERIAL_PORT_3, |
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USERIAL_PORT_4, |
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USERIAL_PORT_5, |
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USERIAL_PORT_6, |
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USERIAL_PORT_7, |
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USERIAL_PORT_8, |
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USERIAL_PORT_9, |
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USERIAL_PORT_10, |
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USERIAL_PORT_11, |
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USERIAL_PORT_12, |
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USERIAL_PORT_13, |
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USERIAL_PORT_14, |
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USERIAL_PORT_15, |
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USERIAL_PORT_16, |
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USERIAL_PORT_17, |
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USERIAL_PORT_18, |
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} userial_port_t; |
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// Initializes the userial module. This function should only be called once. |
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// It returns true if the module was initialized, false if there was an error. |
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bool userial_init(void); |
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// Opens the given serial port. Returns true if successful, false otherwise. |
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// Once this function is called, the userial module will begin producing |
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// buffers from data read off the serial port. If you wish to pause the |
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// production of buffers, call |userial_pause_reading|. You can then resume |
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// by calling |userial_resume_reading|. This function returns true if the |
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// serial port was successfully opened and buffer production has started. It |
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// returns false if there was an error. |
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bool userial_open(userial_port_t port); |
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void userial_close(void); |
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void userial_close_reader(void); |
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// Reads a maximum of |len| bytes from the serial port into |p_buffer|. |
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// This function returns the number of bytes actually read, which may be |
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// less than |len|. This function will not block. |
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uint16_t userial_read(uint16_t msg_id, uint8_t* p_buffer, uint16_t len); |
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// Writes a maximum of |len| bytes from |p_data| to the serial port. |
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// This function returns the number of bytes actually written, which may be |
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// less than |len|. This function may block. |
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uint16_t userial_write(uint16_t msg_id, const uint8_t* p_data, uint16_t len);
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