90 lines
2.9 KiB
C
90 lines
2.9 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: V1.0
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* | Date : 2018-11-22
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* | Info :
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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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UWORD IIC_Addr_t = IIC_Addr;
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void DEV_Set_I2CAddress(UBYTE add_)
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{
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IIC_Addr_t = add_;
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}
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/******************************************************************************
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function:
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I2C Write and Read
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******************************************************************************/
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void DEV_I2C_WriteByte(UBYTE add_, UBYTE data_)
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{
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UBYTE Buf[1] = {0};
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Buf[0] = data_;
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HAL_I2C_Mem_Write(&hi2c1, IIC_Addr_t, add_, I2C_MEMADD_SIZE_8BIT, Buf, 1, 0x10);
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}
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void DEV_I2C_WriteWord(UBYTE add_, UWORD data_)
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{
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UBYTE Buf[2] = {0};
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Buf[0] = data_ >> 8;
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Buf[1] = data_;
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HAL_I2C_Mem_Write(&hi2c1, IIC_Addr_t, add_, I2C_MEMADD_SIZE_8BIT, Buf, 2, 0x10);
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}
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UBYTE DEV_I2C_ReadByte(UBYTE add_)
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{
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UBYTE Buf[1]={add_};
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HAL_I2C_Mem_Read(&hi2c1, IIC_Addr_t, add_, I2C_MEMADD_SIZE_8BIT, Buf, 1, 0x10);
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return Buf[0];
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}
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UWORD DEV_I2C_ReadWord(UBYTE add_)
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{
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UBYTE Buf[2]={0, 0};
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HAL_I2C_Mem_Read(&hi2c1, IIC_Addr_t, add_, I2C_MEMADD_SIZE_8BIT, Buf, 2, 0x10);
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return ((Buf[1] << 8) | (Buf[0] & 0xff));
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}
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/******************************************************************************
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function:
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Redefine printf --UART2
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******************************************************************************/
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int fputc(int ch, FILE *f)
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{
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HAL_UART_Transmit(&huart2, (uint8_t *)&ch, 1, 0xFFFF);
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return ch;
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}
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