1 /* 2 * Copyright (C) 2016 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 /* 39 * btstack_uart_block.h 40 * 41 * Common code to access serial port via asynchronous block read/write commands 42 * 43 */ 44 45 #ifndef __BTSTACK_UART_BLOCK_H 46 #define __BTSTACK_UART_BLOCK_H 47 48 #include <stdint.h> 49 50 typedef struct { 51 uint32_t baudrate; 52 int flowcontrol; 53 const char *device_name; 54 } btstack_uart_config_t; 55 56 typedef struct { 57 /** 58 * init transport 59 * @param uart_config 60 */ 61 int (*init)(const btstack_uart_config_t * uart_config); 62 63 /** 64 * open transport connection 65 */ 66 int (*open)(void); 67 68 /** 69 * close transport connection 70 */ 71 int (*close)(void); 72 73 /** 74 * set callback for block received 75 */ 76 void (*set_block_received)(void (*block_handler)(void)); 77 78 /** 79 * set callback for sent 80 */ 81 void (*set_block_sent)(void (*block_handler)(void)); 82 83 /** 84 * set baudrate 85 */ 86 int (*set_baudrate)(uint32_t baudrate); 87 88 /** 89 * set parity 90 */ 91 int (*set_parity)(int parity); 92 93 /** 94 * receive block 95 */ 96 void (*receive_block)(uint8_t *buffer, uint16_t len); 97 98 /** 99 * send block 100 */ 101 void (*send_block)(const uint8_t *buffer, uint16_t length); 102 103 // void hal_uart_dma_set_sleep(uint8_t sleep); 104 // void hal_uart_dma_set_csr_irq_handler( void (*csr_irq_handler)(void)); 105 106 } btstack_uart_block_t; 107 108 // common implementations 109 const btstack_uart_block_t * btstack_uart_block_posix_instance(void); 110 const btstack_uart_block_t * btstack_uart_block_embedded_instance(void); 111 112 #endif 113