Description: The external interface of the RF chip FM1702SL SPI bus way the FM1702 operation is actually through the SPI bus of FM1702SL internal register read and write operations, enabling RF read/write card function. The driver is based on writing (compatible PIC instruction set MCU also the same trial) FM2306A, through IO port software simulation SPI bus timing.
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FM1702SL
........\RFDriver.asm
........\RFMeter.inc
........\spi.c
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