/*
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* Copyright (c) 2019-2023 Beijing Hanwei Innovation Technology Ltd. Co. and
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* its subsidiaries and affiliates (collectly called MKSEMI).
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into an MKSEMI
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* integrated circuit in a product or a software update for such product,
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* must reproduce the above copyright notice, this list of conditions and
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* the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of MKSEMI nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* MKSEMI integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be
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* reverse engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY MKSEMI "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL MKSEMI OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <errno.h>
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#include <string.h>
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#include <ctype.h>
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#include <stdint.h>
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#include "mk_common.h"
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#include "mk_uart.h"
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#include "uart_in_spi.h"
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// come from uart_example
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#define TEST_UART_POLL_MODE 0
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#define TEST_UART_INTERUPT_MODE 1
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#define TEST_UART_DMA_MODE 2
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#define TEST_UART_MODE TEST_UART_POLL_MODE
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#define TEST_PORT_UART UART_ID0
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/*******************************************************************************
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* @Function uart_in_spi_init
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* @Parameters None.
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* @Returns void.
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******************************************************************************/
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void uart_in_spi_init(void)
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{
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struct UART_CFG_T test_uart_cfg =
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{
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.parity = UART_PARITY_NONE,
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.stop = UART_STOP_BITS_1,
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.data = UART_DATA_BITS_8,
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.flow = UART_FLOW_CONTROL_NONE,
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.rx_level = UART_RXFIFO_CHAR_1,
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.tx_level = UART_TXFIFO_EMPTY,
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.baud = BAUD_921600,
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#if (TEST_UART_MODE == TEST_UART_POLL_MODE)
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.dma_en = false,
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.int_rx = false,
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.int_tx = false,
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#elif (TEST_UART_MODE == TEST_UART_INTERUPT_MODE)
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.dma_en = false,
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.int_rx = true,
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.int_tx = true,
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#elif (TEST_UART_MODE == TEST_UART_DMA_MODE)
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.dma_en = true,
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.int_rx = false,
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.int_tx = false,
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#endif
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};
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uart_open(TEST_PORT_UART, &test_uart_cfg);
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return;
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}
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#define TAG_UART_CMD_START_HIGH ((uint8_t)0xf1)
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#define TAG_UART_CMS_START_LOW ((uint8_t)0xbc)
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/*******************************************************************************
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*
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* @Function uart_receive_in_spi
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* @Parameters rx_buf - the buffer for receiving the data from UART.
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* buf_size - the buffer size
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* callback - call back function
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* @Returns the data length.
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******************************************************************************/
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int uart_receive_in_spi(uint8_t *rx_buf, uint16_t buf_size, drv_callback_t callback)
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{
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int ret;
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uint16_t len;
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uint8_t tmp_buf[8];
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do
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{
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ret = uart_receive(TEST_PORT_UART, tmp_buf, 1, callback);
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if ((ret != DRV_OK) || (tmp_buf[0] != TAG_UART_CMD_START_HIGH))
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{
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continue;
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}
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ret = uart_receive(TEST_PORT_UART, tmp_buf + 1, 1, callback);
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if ((ret != DRV_OK) || (tmp_buf[1] != TAG_UART_CMS_START_LOW))
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{
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continue;
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}
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ret = uart_receive(TEST_PORT_UART, tmp_buf + 2, 2, callback);
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if (ret != DRV_OK)
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{
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// sofCnt++;
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continue;
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}
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len = (uint16_t)(((uint16_t)tmp_buf[2] << 8) + tmp_buf[3]);
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if ((len < 5) || (len > (255 + 5)))
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{
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continue;
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}
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else
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{
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break;
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}
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} while (1); // (sofCnt < sofMaxCnt);
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ret = uart_receive(TEST_PORT_UART, rx_buf, len, callback);
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if (ret != DRV_OK)
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{
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return ret;
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}
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else
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{
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return len;
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}
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}
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/*******************************************************************************
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*
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* @Function uart_send_in_spi
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* @Parameters tx_buf - the buffer for sending the data from UART.
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* len - the data size
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* callback - call back function
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* @Returns tx status.
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******************************************************************************/
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int uart_send_in_spi(uint8_t *tx_buf, uint16_t len, drv_callback_t callback)
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{
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return uart_send(TEST_PORT_UART, tx_buf, len, callback);
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}
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