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+#include <stdint.h>
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+#include "MBMsg.h"
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+
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+#define BRODADDR0_DEF (200)/*默认的广播地址*/
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+
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+
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+#define MB_PAK_BUFF_SIZE (MB_MSG_SIZE_MAX + 8)
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+
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+static cbSTKOut_t _cbSTKOut = 0;
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+static cbMsgRdy_t _cbMsgRdy = 0;
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+static uint8_t _RxBuff[MB_PAK_BUFF_SIZE];
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+static uint16_t _RxIndex = 0;
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+static uint16_t _RxRdy = 0;
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+static uint8_t _TxBuff[MB_PAK_BUFF_SIZE];
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+static uint16_t _TxRdy = 0;
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+static uint8_t _Addr = MB_STK_ADDR_DEF;
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+static uint8_t _LstAddr = 0;
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+static uint8_t _FC = MB_STK_FC_DEF;;
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+
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+
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+/*Private variables-----------------------------------------------------------*/
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+static const uint8_t _CRCHi[] = {
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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+ 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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+ 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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+ 0x00, 0xC1, 0x81, 0x40
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+};
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+static const uint8_t _CRCLo[] = {
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+ 0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7,
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+ 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E,
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+ 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9,
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+ 0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC,
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+ 0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
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+ 0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32,
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+ 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D,
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+ 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38,
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+ 0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF,
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+ 0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
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+ 0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1,
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+ 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4,
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+ 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB,
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+ 0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA,
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+ 0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
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+ 0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0,
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+ 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97,
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+ 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E,
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+ 0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89,
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+ 0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
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+ 0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83,
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+ 0x41, 0x81, 0x80, 0x40
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+};
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+
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+/*
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+ CRC16校验函数
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+*/
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+uint16_t MB_CRC16(uint8_t *pFrame, uint16_t count)
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+{
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+ uint8_t CRCHi = 0xFF;
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+ uint8_t CRCLo = 0xFF;
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+ int32_t index;
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+ while(count--) {
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+ index = CRCLo ^ *(pFrame++);
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+ CRCLo = (uint8_t)(CRCHi ^ _CRCHi[index]);
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+ CRCHi = _CRCLo[index];
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+ }
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+ return (uint16_t)(CRCHi << 8 | CRCLo );
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+}
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+
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+/*
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+ 协议栈数据输入
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+ Addr + FC + PN[2] + MSGID + DLEN + DATA[...] + CRC[2]
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+*/
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+int8_t MB_STK_In(uint8_t * pBuff,uint16_t Size)
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+{
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+ uint16_t i;
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+ uint8_t Data;
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+
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+ if(_RxRdy) {
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+ return -1;
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+ }
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+
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+ for(i = 0;i < Size;i ++) {
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+ Data = pBuff[i];
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+ if(_RxIndex == 0) {
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+ if((Data == _Addr) || (Data == BRODADDR0_DEF)) {
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+ _RxBuff[_RxIndex ++] = Data;
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+ _LstAddr = Data;
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+ }
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+ } else if(_RxIndex == 1) {
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+ if(Data == _FC) {
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+ _RxBuff[_RxIndex ++] = Data;
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+ } else {
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+ _RxIndex = 0;
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+ }
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+ } else if(_RxIndex < MB_PAK_BUFF_SIZE) {
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+ _RxBuff[_RxIndex ++] = Data;
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+ if(_RxIndex == 6) {
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+ if(Data > (Size - i - 1)) {
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+ Data = (Size - i - 1);
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+ }
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+ while(Data --) {
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+ _RxBuff[_RxIndex ++] = pBuff[++i];
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+ }
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+ } else if(_RxIndex > 6) {
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+ if(_RxIndex >= (_RxBuff[5] + 2 + 6)) {
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+ uint16_t CRC16;
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+ uint16_t CheckCode;
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+ CRC16 = MB_CRC16(&_RxBuff[0],_RxIndex - 2);
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+ CheckCode = _RxBuff[_RxIndex - 2];
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+ CheckCode |= _RxBuff[_RxIndex - 1] << 8;
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+ if(CRC16 == CheckCode) {
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+ _RxRdy = 1;
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+ if(_cbMsgRdy) {
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+ if(_cbMsgRdy((MB_MSG_T *) &_RxBuff[2]) == 0) {
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+ _RxRdy = 0;
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+ }
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+ }
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+ }
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+ _RxIndex = 0;
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+ }
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+ }
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+ } else {
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+ _RxIndex = 0;
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+ }
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+ }
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+ return 1;
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+}
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+
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+/*
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+ 设置地址
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+*/
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+uint8_t MB_STK_SetAddr(uint8_t NewAddr)
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+{
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+ uint8_t Old;
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+ Old = _Addr;
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+ _Addr = NewAddr;
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+ return Old;
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+}
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+
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+/*
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+ 设置消息就绪回调函数
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+*/
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+void MB_STK_SetOutCallback(cbSTKOut_t cb)
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+{
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+ _cbSTKOut = cb;
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+}
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+
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+/*
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+ 设置消息就绪回调函数
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+*/
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+void MB_MSG_SetMsgRdyCallback(cbMsgRdy_t cb)
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+{
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+ _cbMsgRdy = cb;
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+}
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+
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+
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+/*
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+ 发送消息
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+ PN + MSGID + DLEN + DATA
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+*/
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+int8_t MB_MSG_Send(MB_MSG_T * pMsg,uint32_t Ovtime)
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+{
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+ uint16_t CRC16;
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+ int8_t Ret;
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+ uint16_t Index;
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+ uint16_t i;
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+
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+ if(_TxRdy || (!pMsg)) {
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+ return -1;
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+ }
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+ if(sizeof(MB_MSG_T) > sizeof(_TxBuff)) {
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+ return -2;
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+ }
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+
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+ _RxRdy = 0;
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+ _TxRdy = 1;
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+ Index = 0;
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+ _TxBuff[Index ++] = _LstAddr;//_Addr;
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+ _TxBuff[Index ++] = _FC;
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+ _TxBuff[Index ++] = pMsg->PN[0];
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+ _TxBuff[Index ++] = pMsg->PN[1];
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+ _TxBuff[Index ++] = pMsg->MsgId;
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+ _TxBuff[Index ++] = pMsg->DLen;
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+ for(i = 0;i < pMsg->DLen;i ++) {
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+ _TxBuff[Index ++] = pMsg->Data[i];
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+ }
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+ CRC16 = MB_CRC16(&_TxBuff[0],Index);
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+ _TxBuff[Index ++] = CRC16 & 0XFF;
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+ _TxBuff[Index ++] = (CRC16 >> 8) & 0XFF;
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+
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+ if(_cbSTKOut) {
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+ Ret = _cbSTKOut(_TxBuff,Index);
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+ } else {
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+ Ret = 0;
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+ }
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+ _TxRdy = 0;
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+
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+ return Ret;
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+}
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+
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+/*
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+ 读消息
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+ PN + MSGID + DLEN + DATA
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+*/
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+int8_t MB_MSG_Read(MB_MSG_T * pMsg,uint32_t Ovtime)
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+{
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+ uint16_t i;
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+ if(!_RxRdy || (!pMsg)) {
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+ return -1;
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+ }
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+ pMsg->PN[0] = _RxBuff[2];
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+ pMsg->PN[1] = _RxBuff[3];
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+ pMsg->MsgId = _RxBuff[4];
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+ pMsg->DLen = _RxBuff[5];
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+ for(i = 0;i < pMsg->DLen;i ++) {
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+ pMsg->Data[i] = _RxBuff[6 + i];
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+ }
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+ _RxRdy = 0;
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+ return 0;
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+}
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+
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+
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+/*
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+ 读消息
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+ PN + MSGID + DLEN + DATA
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+*/
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+MB_MSG_T * MB_MSG_ReadEx(uint32_t Ovtime)
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+{
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+ if(!_RxRdy) {
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+ return 0;
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+ }
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+ _RxRdy = 0;
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+ return (MB_MSG_T *)&_RxBuff[2];
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+}
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