1 /* 2 * Copyright (C) 2014 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 * hal_uart_dma.h 40 * 41 * Hardware abstraction layer that provides 42 * - blockwise IRQ-driven read/write 43 * - CSR IRQs 44 * 45 */ 46 47 #ifndef __HAL_UART_DMA_H 48 #define __HAL_UART_DMA_H 49 50 #include <stdint.h> 51 52 #if defined __cplusplus 53 extern "C" { 54 #endif 55 56 void hal_uart_dma_init(void); 57 void hal_uart_dma_set_block_received( void (*block_handler)(void)); 58 void hal_uart_dma_set_block_sent( void (*block_handler)(void)); 59 void hal_uart_dma_set_csr_irq_handler( void (*csr_irq_handler)(void)); 60 int hal_uart_dma_set_baud(uint32_t baud); 61 void hal_uart_dma_send_block(const uint8_t *buffer, uint16_t length); 62 void hal_uart_dma_receive_block(uint8_t *buffer, uint16_t len); 63 void hal_uart_dma_set_sleep(uint8_t sleep); 64 65 #if defined __cplusplus 66 } 67 #endif 68 #endif // __HAL_UART_DMA_H 69