/*
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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 "se_common.h"
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#include "mk_gpio.h"
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#include "mk_spi.h"
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#include "mk_common.h"
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#include "mk_trace.h"
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#include "phdriver.h"
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#ifndef SE_SPI_PORT
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#define SE_SPI_PORT SPI_ID0
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#endif
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#ifndef SE_SPI_CS
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#define SE_SPI_CS IO_PIN_14
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#endif
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/*******************************************************************************
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* @Function phdriver_open
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* @Description Open physical interface, SPI or I2C.
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* @Parameters
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* @Returns
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*******************************************************************************/
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int phdriver_open(void)
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{
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struct SPI_CFG_T usr_spi_cfg = {
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.bit_rate = 10000000,
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.data_bits = 8,
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.slave = 0,
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.clk_phase = 0,
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.clk_polarity = 0,
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.ti_mode = 0,
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.dma_rx = false,
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.dma_tx = false,
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.int_rx = false,
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.int_tx = false,
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};
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spi_open(SE_SPI_PORT, &usr_spi_cfg);
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gpio_pin_set_dir(SE_SPI_CS, GPIO_DIR_OUT, 1);
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return 0;
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}
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/*******************************************************************************
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* @Function phdriver_read
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* @Description Reads bytes_to_read bytes from the physical interface, SPI or I2C.
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* @Parameters rx_buf - Buffer to store received data.
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* bytes_to_read - Expected number of bytes to be read.
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* @Returns The amount of bytes read from the slave, -1 if something failed.
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*******************************************************************************/
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int phdriver_read(uint8_t *rx_buf, uint16_t bytes_to_read)
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{
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int ret;
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gpio_pin_clr(SE_SPI_CS);
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ret = spi_receive(SE_SPI_PORT, rx_buf, bytes_to_read, NULL);
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gpio_pin_set(SE_SPI_CS);
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#if 0
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LOG_INFO(TRACE_MODULE_SE, "[RD][%u]", bytes_to_read);
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for (uint16_t i = 0; i < bytes_to_read; i++)
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{
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LOG_INFO(TRACE_MODULE_SE|TRACE_NO_OPTION, " %02x", rx_buf[i]);
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}
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LOG_INFO(TRACE_MODULE_SE|TRACE_NO_OPTION, "\r\n");
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#endif
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if (ret == DRV_OK)
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{
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return bytes_to_read;
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}
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else
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{
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return -1;
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}
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}
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/*******************************************************************************
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* @Function phdriver_write
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* @Description Write tx_len bytes to the physical interface, SPI or I2C.
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* @Parameters tx_buf - Buffer to transmit.
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* tx_len - Number of bytes to be written.
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* @Returns The amount of bytes written to the slave, -1 if something failed.
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*******************************************************************************/
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int phdriver_write(uint8_t *tx_buf, uint16_t tx_len)
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{
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int ret;
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while (spi_is_busy(SE_SPI_PORT))
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{
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}
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#if 0
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LOG_INFO(TRACE_MODULE_SE, "[WR][%u]", tx_len);
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for (uint16_t i = 0; i < tx_len; i++)
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{
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LOG_INFO(TRACE_MODULE_SE|TRACE_NO_OPTION, " %02x", tx_buf[i]);
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}
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LOG_INFO(TRACE_MODULE_SE|TRACE_NO_OPTION, "\r\n");
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#endif
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gpio_pin_clr(SE_SPI_CS);
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ret = spi_send(SE_SPI_PORT, tx_buf, tx_len, NULL);
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gpio_pin_set(SE_SPI_CS);
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if (ret == DRV_OK)
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{
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return tx_len;
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}
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else
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{
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return -1;
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}
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}
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