ChinaUWBProject.git

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			/*
			* Copyright (c) 2019-2023 Beijing Hanwei Innovation Technology Ltd. Co. and
			* its subsidiaries and affiliates (collectly called MKSEMI).
			*
			* All rights reserved.
			*
			* Redistribution and use in source and binary forms, with or without
			* modification, are permitted provided that the following conditions are met:
			*
			* 1. Redistributions of source code must retain the above copyright notice,
			* this list of conditions and the following disclaimer.
			*
			* 2. Redistributions in binary form, except as embedded into an MKSEMI
			* integrated circuit in a product or a software update for such product,
			* must reproduce the above copyright notice, this list of conditions and
			* the following disclaimer in the documentation and/or other materials
			* provided with the distribution.
			*
			* 3. Neither the name of MKSEMI nor the names of its contributors may be used
			* to endorse or promote products derived from this software without
			* specific prior written permission.
			*
			* 4. This software, with or without modification, must only be used with a
			* MKSEMI integrated circuit.
			*
			* 5. Any software provided in binary form under this license must not be
			* reverse engineered, decompiled, modified and/or disassembled.
			*
			* THIS SOFTWARE IS PROVIDED BY MKSEMI "AS IS" AND ANY EXPRESS OR IMPLIED
			* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
			* MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
			* DISCLAIMED. IN NO EVENT SHALL MKSEMI OR CONTRIBUTORS BE LIABLE FOR ANY
			* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
			* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
			* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
			* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
			* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
			* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
			*/

			#include "se_common.h"
			#include "mk_gpio.h"
			#include "mk_spi.h"
			#include "mk_common.h"
			#include "mk_trace.h"
			#include "phdriver.h"

			#ifndef SE_SPI_PORT
			#define SE_SPI_PORT SPI_ID0
			#endif
			#ifndef SE_SPI_CS
			#define SE_SPI_CS IO_PIN_14
			#endif

			/*******************************************************************************
			* @Function phdriver_open
			* @Description Open physical interface, SPI or I2C.
			* @Parameters
			* @Returns
			*******************************************************************************/
			int phdriver_open(void)
			{
			struct SPI_CFG_T usr_spi_cfg = {
			.bit_rate = 10000000,
			.data_bits = 8,
			.slave = 0,

			.clk_phase = 0,
			.clk_polarity = 0,
			.ti_mode = 0,

			.dma_rx = false,
			.dma_tx = false,
			.int_rx = false,
			.int_tx = false,

			};

			spi_open(SE_SPI_PORT, &usr_spi_cfg);
			gpio_pin_set_dir(SE_SPI_CS, GPIO_DIR_OUT, 1);

			return 0;
			}

			/*******************************************************************************
			* @Function phdriver_read
			* @Description Reads bytes_to_read bytes from the physical interface, SPI or I2C.
			* @Parameters rx_buf - Buffer to store received data.
			* bytes_to_read - Expected number of bytes to be read.
			* @Returns The amount of bytes read from the slave, -1 if something failed.
			*******************************************************************************/
			int phdriver_read(uint8_t *rx_buf, uint16_t bytes_to_read)
			{
			int ret;

			gpio_pin_clr(SE_SPI_CS);
			ret = spi_receive(SE_SPI_PORT, rx_buf, bytes_to_read, NULL);
			gpio_pin_set(SE_SPI_CS);
			#if 0
			LOG_INFO(TRACE_MODULE_SE, "[RD][%u]", bytes_to_read);
			for (uint16_t i = 0; i < bytes_to_read; i++)
			{
			LOG_INFO(TRACE_MODULE_SE\|TRACE_NO_OPTION, " %02x", rx_buf[i]);
			}
			LOG_INFO(TRACE_MODULE_SE\|TRACE_NO_OPTION, "\r\n");
			#endif
			if (ret == DRV_OK)
			{
			return bytes_to_read;
			}
			else
			{
			return -1;
			}
			}

			/*******************************************************************************
			* @Function phdriver_write
			* @Description Write tx_len bytes to the physical interface, SPI or I2C.
			* @Parameters tx_buf - Buffer to transmit.
			* tx_len - Number of bytes to be written.
			* @Returns The amount of bytes written to the slave, -1 if something failed.
			*******************************************************************************/
			int phdriver_write(uint8_t *tx_buf, uint16_t tx_len)
			{
			int ret;
			while (spi_is_busy(SE_SPI_PORT))
			{
			}
			#if 0
			LOG_INFO(TRACE_MODULE_SE, "[WR][%u]", tx_len);
			for (uint16_t i = 0; i < tx_len; i++)
			{
			LOG_INFO(TRACE_MODULE_SE\|TRACE_NO_OPTION, " %02x", tx_buf[i]);
			}
			LOG_INFO(TRACE_MODULE_SE\|TRACE_NO_OPTION, "\r\n");
			#endif
			gpio_pin_clr(SE_SPI_CS);
			ret = spi_send(SE_SPI_PORT, tx_buf, tx_len, NULL);
			gpio_pin_set(SE_SPI_CS);

			if (ret == DRV_OK)
			{
			return tx_len;
			}
			else
			{
			return -1;
			}
			}