mirror of
https://github.com/dimoniche/solarium.git
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162 lines
3.0 KiB
C
162 lines
3.0 KiB
C
#include <includes.h>
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#include "spi.h"
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#include "fram.h"
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void Write_ON(unsigned short address)
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{
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spi_selectChip(FM25_SPI);
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SpiExchange(FM25_SPI, FRAM_WRITE_ON);
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spi_unselectChip(FM25_SPI);
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}
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void Write_OFF(unsigned short address)
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{
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spi_selectChip(FM25_SPI);
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SpiExchange(FM25_SPI, FRAM_WRITE_OFF);
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spi_unselectChip(FM25_SPI);
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}
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void Write_Status_Register(unsigned char byte, unsigned short address)
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{
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spi_getSem();
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Write_ON(address);
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spi_selectChip(FM25_SPI);
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SpiExchange(FM25_SPI, FRAM_WRITE_STATUS);
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SpiExchange(FM25_SPI, byte);
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spi_unselectChip(FM25_SPI);
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spi_freeSem();
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}
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void WriteArrayFram(unsigned short uAddress,unsigned short uBytesNumber,unsigned char * Array)
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{
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unsigned short i;
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spi_getSem();
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Write_ON(uAddress);
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spi_selectChip(FM25_SPI);
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SpiExchange(FM25_SPI, FRAM_WRITE);
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SpiExchange(FM25_SPI, (char)(uAddress >> 8));
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SpiExchange(FM25_SPI, (char)uAddress);
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for(i=0;i<uBytesNumber;i++)
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{
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SpiExchange(FM25_SPI, *(Array+i));
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}
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spi_unselectChip(FM25_SPI);
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Write_OFF(uAddress);
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spi_freeSem();
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}
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// çàïèñü îäíîãî è òîãî æå áàéòà â ìàññèâ àäðåñîâ ôðàì
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void SetArrayFram(unsigned short uAddress, unsigned short uBytesNumber, unsigned char byte)
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{
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unsigned short i;
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spi_getSem();
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Write_ON(uAddress);
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spi_selectChip(FM25_SPI);
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SpiExchange(FM25_SPI, FRAM_WRITE);
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SpiExchange(FM25_SPI, (char)(uAddress >> 8));
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SpiExchange(FM25_SPI, (char)uAddress);
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for(i=0;i<uBytesNumber;i++)
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{
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SpiExchange(FM25_SPI, byte);
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}
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spi_unselectChip(FM25_SPI);
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Write_OFF(uAddress);
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spi_freeSem();
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}
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void WriteByteFram(unsigned short adress,unsigned char byte)
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{
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spi_getSem();
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Write_ON(adress);
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spi_selectChip(FM25_SPI);
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SpiExchange(FM25_SPI, FRAM_WRITE);
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SpiExchange(FM25_SPI, (char)(adress >> 8));
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SpiExchange(FM25_SPI, (char)adress);
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SpiExchange(FM25_SPI, byte);
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spi_unselectChip(FM25_SPI);
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Write_OFF(adress);
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spi_freeSem();
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}
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unsigned char Read_Status_Register(unsigned short adress)
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{
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unsigned char temp = 0;
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spi_getSem();
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Write_OFF(adress);
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spi_selectChip(FM25_SPI);
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SpiExchange(FM25_SPI, FRAM_READ_STATUS);
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temp = SpiExchange(FM25_SPI, 0x00);
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spi_unselectChip(FM25_SPI);
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spi_freeSem();
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return temp;
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}
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void ReadArrayFram(unsigned short uAddress,unsigned short uBytesNumber,unsigned char * Array)
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{
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unsigned short i;
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spi_getSem();
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Write_OFF(uAddress);
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spi_selectChip(FM25_SPI);
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SpiExchange(FM25_SPI, FRAM_READ);
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SpiExchange(FM25_SPI, (char)(uAddress >> 8));
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SpiExchange(FM25_SPI, (char)uAddress);
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for(i=0;i<uBytesNumber;i++)
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{
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*(Array + i) = SpiExchange(FM25_SPI, 0xFF);
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}
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spi_unselectChip(FM25_SPI);
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spi_freeSem();
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}
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unsigned char ReadByteFram(unsigned short adress)
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{
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unsigned char temp = 0;
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spi_getSem();
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Write_OFF(adress);
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spi_selectChip(FM25_SPI);
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SpiExchange(FM25_SPI, FRAM_READ);
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SpiExchange(FM25_SPI, (char)(adress >> 8));
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SpiExchange(FM25_SPI, (char)adress);
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temp = SpiExchange(FM25_SPI, 0xFF);
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spi_unselectChip(FM25_SPI);
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spi_freeSem();
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return temp;
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}
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void WriteFullControl(void)
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{
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}
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