3outof6.zip_3outof6_number

/****************************************************************************** File name: 3outof6.c ******************************************************************************/ #include "efm32.h" //#include <hal_types.h> #include <3outof6.h> //---------------------------------------------------------------------------- // Variables //---------------------------------------------------------------------------- // Table for encoding for a 4-bit data into 6-bit // "3 out of 6" coded data. static uint8_t encodeTab[16] = {0x16, // 0x0 "3 out of 6" encoded 0x0D, // 0x1 "3 out of 6" encoded 0x0E, // 0x2 "3 out of 6" encoded 0x0B, // 0x3 "3 out of 6" encoded 0x1C, // 0x4 "3 out of 6" encoded 0x19, // 0x5 "3 out of 6" encoded 0x1A, // 0x6 "3 out of 6" encoded 0x13, // 0x7 "3 out of 6" encoded 0x2C, // 0x8 "3 out of 6" encoded 0x25, // 0x9 "3 out of 6" encoded 0x26, // 0xA "3 out of 6" encoded 0x23, // 0xB "3 out of 6" encoded 0x34, // 0xC "3 out of 6" encoded 0x31, // 0xD "3 out of 6" encoded 0x32, // 0xE "3 out of 6" encoded 0x29}; // 0xF "3 out of 6" encoded // Table for decoding a 6-bit "3 out of 6" encoded data into 4-bit // data. The value 0xFF indicates invalid "3 out of 6" coding static uint8_t decodeTab[64] = {0xFF, // "3 out of 6" encoded 0x00 decoded 0xFF, // "3 out of 6" encoded 0x01 decoded 0xFF, // "3 out of 6" encoded 0x02 decoded 0xFF, // "3 out of 6" encoded 0x03 decoded 0xFF, // "3 out of 6" encoded 0x04 decoded 0xFF, // "3 out of 6" encoded 0x05 decoded 0xFF, // "3 out of 6" encoded 0x06 decoded 0xFF, // "3 out of 6" encoded 0x07 decoded 0xFF, // "3 out of 6" encoded 0x08 decoded 0xFF, // "3 out of 6" encoded 0x09 decoded 0xFF, // "3 out of 6" encoded 0x0A decoded 0x03, // "3 out of 6" encoded 0x0B decoded 0xFF, // "3 out of 6" encoded 0x0C decoded 0x01, // "3 out of 6" encoded 0x0D decoded 0x02, // "3 out of 6" encoded 0x0E decoded 0xFF, // "3 out of 6" encoded 0x0F decoded 0xFF, // "3 out of 6" encoded 0x10 decoded 0xFF, // "3 out of 6" encoded 0x11 decoded 0xFF, // "3 out of 6" encoded 0x12 decoded 0x07, // "3 out of 6" encoded 0x13 decoded 0xFF, // "3 out of 6" encoded 0x14 decoded 0xFF, // "3 out of 6" encoded 0x15 decoded 0x00, // "3 out of 6" encoded 0x16 decoded 0xFF, // "3 out of 6" encoded 0x17 decoded 0xFF, // "3 out of 6" encoded 0x18 decoded 0x05, // "3 out of 6" encoded 0x19 decoded 0x06, // "3 out of 6" encoded 0x1A decoded 0xFF, // "3 out of 6" encoded 0x1B decoded 0x04, // "3 out of 6" encoded 0x1C decoded 0xFF, // "3 out of 6" encoded 0x1D decoded 0xFF, // "3 out of 6" encoded 0x1E decoded 0xFF, // "3 out of 6" encoded 0x1F decoded 0xFF, // "3 out of 6" encoded 0x20 decoded 0xFF, // "3 out of 6" encoded 0x21 decoded 0xFF, // "3 out of 6" encoded 0x22 decoded 0x0B, // "3 out of 6" encoded 0x23 decoded 0xFF, // "3 out of 6" encoded 0x24 decoded 0x09, // "3 out of 6" encoded 0x25 decoded 0x0A, // "3 out of 6" encoded 0x26 decoded 0xFF, // "3 out of 6" encoded 0x27 decoded 0xFF, // "3 out of 6" encoded 0x28 decoded 0x0F, // "3 out of 6" encoded 0x29 decoded 0xFF, // "3 out of 6" encoded 0x2A decoded 0xFF, // "3 out of 6" encoded 0x2B decoded 0x08, // "3 out of 6" encoded 0x2C decoded 0xFF, // "3 out of 6" encoded 0x2D decoded 0xFF, // "3 out of 6" encoded 0x2E decoded 0xFF, // "3 out of 6" encoded 0x2F decoded 0xFF, // "3 out of 6" encoded 0x30 decoded 0x0D, // "3 out of 6" encoded 0x31 decoded 0x0E, // "3 out of 6" encoded 0x32 decoded 0xFF, // "3 out of 6" encoded 0x33 decoded 0x0C, // "3 out of 6" encoded 0x34 decoded 0xFF, // "3 out of 6" encoded 0x35 decoded 0xFF, // "3 out of 6" encoded 0x36 decoded 0xFF, // "3 out of 6" encoded 0x37 decoded 0xFF, // "3 out of 6" encoded 0x38 decoded 0xFF, // "3 out of 6" encoded 0x39 decoded 0xFF, // "3 out of 6" encoded 0x3A decoded 0xFF, // "3 out of 6" encoded 0x3B decoded 0xFF, // "3 out of 6" encoded 0x3C decoded 0xFF, // "3 out of 6" encoded 0x3D decoded 0xFF, // "3 out of 6" encoded 0x3E decoded 0xFF}; // "3 out of 6" encoded 0x3F decoded //---------------------------------------------------------------------------- // Functions //---------------------------------------------------------------------------- //---------------------------------------------------------------------------- // void encode3outof6 (uint8 *uncodedData, uint8 *encodedData, uint8 lastByte) // // DESCRIPTION: // Performs the "3 out 6" encoding on a 16-bit data value into a // 24-bit data value. When encoding on a 8 bit variable, a postamle // sequence is added. // // ARGUMENTS: // uint8 *uncodedData - Pointer to data // uint8 *encodedData - Pointer to store the encoded data // uint8 lastByte - Only one byte left in data buffer //---------------------------------------------------------------------------- void encode3outof6(uint8_t *uncodedData, uint8_t *encodedData, uint16_t size) { uint16_t i, n; uint8_t idata, odata[ 4 ]; n = size & 0xF