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71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/*****************************************************************************
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* | File : DEV_Config.c
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* | Author : Waveshare team
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* | Function : Hardware underlying interface
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* | Info :
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* Used to shield the underlying layers of each master
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* and enhance portability
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*----------------
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* | This version: V2.0
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* | Date : 2018-10-30
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* | Info :
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# ******************************************************************************
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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******************************************************************************/
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#include "DEV_Config.h"
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#include <esp_err.h>
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#include <driver/spi_master.h>
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#include <memory.h>
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spi_device_handle_t pSpi;
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void DEV_SPI_Init(spi_device_handle_t spi) {
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pSpi = spi;
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}
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void DEV_SPI_WriteByte(UBYTE value)
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{
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spi_transaction_t t;
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memset(&t, 0, sizeof(t));
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t.length = 8;
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t.tx_buffer = &value;
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ESP_ERROR_CHECK(spi_device_polling_transmit(pSpi, &t));
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}
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int DEV_Module_Init(void)
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{
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DEV_Digital_Write(EPD_DC_PIN, 0);
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DEV_Digital_Write(EPD_CS_PIN, 0);
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DEV_Digital_Write(EPD_RST_PIN, 1);
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return 0;
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}
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void DEV_Module_Exit(void)
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{
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DEV_Digital_Write(EPD_DC_PIN, 0);
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DEV_Digital_Write(EPD_CS_PIN, 0);
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//close 5V
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DEV_Digital_Write(EPD_RST_PIN, 0);
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}
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