356 lines
12 KiB
C++
356 lines
12 KiB
C++
#include "vsmd_parser.h"
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#include "ble.h"
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extern HardwareSerial DebugSerial;
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// BCC 校验函数
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uint8_t VSMDParser::bcc_checksum(uint8_t* data, int size) {
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uint8_t sum = 0;
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for (int index = 0; index < size; index++) {
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sum ^= data[index];
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}
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return sum;
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}
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// 构造函数
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VSMDParser::VSMDParser() {
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// 可选初始化
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}
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// 数据转换函数
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void VSMDParser::convert(uint8_t* data, value_info& info) {
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info.udata = data[0];
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info.udata <<= 7;
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info.udata |= data[1];
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info.udata <<= 7;
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info.udata |= data[2];
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info.udata <<= 7;
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info.udata |= data[3];
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info.udata <<= 7;
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info.udata |= data[4];
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}
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// VSMD 解析函数
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void VSMDParser::parse(uint8_t* data, int size) {
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// if (size < 10) {
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// DebugSerial.println("data too short");
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// return;
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// }
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if (data[0] == 0xFF && data[size - 1] == 0xFE) {
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uint8_t checksum = bcc_checksum(&data[1], size - 3);
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if (checksum == data[size - 2]) {
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switch (data[2]) {
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case 1: { // dev 01
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DebugSerial.print("dev:");
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int start = 0;
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while (start < size && data[start] != 'V') start++;
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if (start < size) {
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int end = start;
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while (end < size && data[end] >= 32 && data[end] < 127) end++;
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for (int i = start; i < end; i++) {
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DebugSerial.print((char)data[i]);
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}
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DebugSerial.println();
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} else {
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DebugSerial.println("dev err");
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}
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break;
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}
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case 2: { // sts 02
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float spd = 0;
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int pos = 0;
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uint32_t sts = 0;
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value_info info;
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convert(&data[3], info);
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spd = info.fdata;
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convert(&data[8], info);
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pos = info.idata;
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convert(&data[13], info);
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sts = info.udata;
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DebugSerial.print("Speed: ");
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DebugSerial.print(spd);
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DebugSerial.print(", Position: ");
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DebugSerial.print(pos);
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DebugSerial.print(", Status: ");
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DebugSerial.println(sts);
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break;
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}
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case 3: { // cfg 03
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DebugSerial.print("cfg:");
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int payloadStart = 3;
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int payloadEnd = size - 3;
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if (payloadStart < payloadEnd) {
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for (int i = payloadStart; i < payloadEnd; i++) {
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DebugSerial.print((char)data[i]);
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}
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DebugSerial.println();
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} else {
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DebugSerial.println(" 数据长度不足");
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}
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break;
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}
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case 4: { // demo 04
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DebugSerial.print("demo:");
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int payloadStart = 3;
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int payloadEnd = size - 3;
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if (payloadStart < payloadEnd) {
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for (int i = payloadStart; i < payloadEnd; i++) {
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DebugSerial.print((char)data[i]);
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}
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DebugSerial.println();
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} else {
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DebugSerial.println(" 数据长度不足");
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}
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break;
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}
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default:
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DebugSerial.print("Unknow cmd: ");
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DebugSerial.println(data[2]);
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break;
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}
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} else {
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return;
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DebugSerial.println("BCC ERROR");
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DebugSerial.print("CHECK BCC: ");
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DebugSerial.println(checksum);
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DebugSerial.print("RES BCC: ");
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DebugSerial.println(data[size - 2], HEX);
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}
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} else {
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DebugSerial.println("Head or Tail ERROR");
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DebugSerial.print("Receive Data: ");
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for (int i = 0; i < size; i++) {
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DebugSerial.print(data[i], HEX);
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DebugSerial.print(" ");
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}
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DebugSerial.println();
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}
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}
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// 新增parseInfo函数,返回解析结果
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String VSMDParser::parseInfo(uint8_t* data, int size) {
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String result = "";
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if (data[0] == 0xFF && data[size - 1] == 0xFE) {
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uint8_t checksum = bcc_checksum(&data[1], size - 3);
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if (checksum == data[size - 2]) {
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switch (data[2]) {
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case 1: { // dev 01
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int start = 0;
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while (start < size && data[start] != 'V') start++;
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if (start < size) {
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int end = start;
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while (end < size && data[end] >= 32 && data[end] < 127) end++;
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for (int i = start; i < end; i++) {
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result += (char)data[i];
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}
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} else {
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result = "dev err";
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}
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break;
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}
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case 2: { // sts 02
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float spd = 0;
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int pos = 0;
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uint32_t sts = 0;
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value_info info;
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convert(&data[3], info);
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spd = info.fdata;
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convert(&data[8], info);
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pos = info.idata;
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convert(&data[13], info);
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sts = info.udata;
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result = "Speed: " + String(spd) + ", Position: " + String(pos) + ", Status: " + String(sts);
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break;
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}
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case 3: { // cfg 03
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int payloadStart = 3;
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int payloadEnd = size - 3;
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if (payloadStart < payloadEnd) {
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for (int i = payloadStart; i < payloadEnd; i++) {
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result += (char)data[i];
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}
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} else {
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result = "Not enough data";
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}
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break;
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}
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case 4: { // demo 04
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int payloadStart = 3;
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int payloadEnd = size - 3;
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if (payloadStart < payloadEnd) {
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for (int i = payloadStart; i < payloadEnd; i++) {
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result += (char)data[i];
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}
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} else {
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result = "Not enough data";
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}
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break;
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}
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default:
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result = "Unknown cmd: " + String(data[2]);
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break;
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}
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} else {
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result = "BCC ERROR";
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}
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} else {
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result = "Head or Tail ERROR";
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}
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return result;
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}
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// ... existing code ...
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// /**************************** ble read ************************************ */
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// void VSMDParser::parse(uint8_t* data, int size) {
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// if (data[0] == 0xFF && data[size - 1] == 0xFE) {
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// uint8_t checksum = bcc_checksum(&data[1], size - 3);
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// if (checksum == data[size - 2]) {
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// switch (data[2]) {
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// case 1: { // dev
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// String response = "dev:";
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// int start = 0;
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// while (start < size && data[start] != 'V') start++;
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// if (start < size) {
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// int end = start;
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// while (end < size && data[end] >= 32 && data[end] < 127) end++;
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// for (int i = start; i < end; i++) {
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// response += (char)data[i];
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// }
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// response += "\n";
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// } else {
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// response += "dev err\n";
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// }
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// // 发送通过蓝牙
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// if (pCharacteristic) {
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// pCharacteristic->setValue(response.c_str());
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// pCharacteristic->notify();
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// }
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// break;
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// }
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// case 2: { // sts
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// float spd = 0;
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// int pos = 0;
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// uint32_t sts = 0;
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// value_info info;
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// convert(&data[3], info);
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// spd = info.fdata;
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// convert(&data[8], info);
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// pos = info.idata;
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// convert(&data[13], info);
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// sts = info.udata;
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// String response = "Speed: " + String(spd) + ", Position: " + String(pos) + ", Status: " + String(sts) + "\n";
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// // 发送通过蓝牙
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// if (pCharacteristic) {
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// pCharacteristic->setValue(response.c_str());
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// pCharacteristic->notify();
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// }
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// break;
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// }
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// case 3: { // cfg
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// String response = "cfg:";
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// int payloadStart = 3;
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// int payloadEnd = size - 3;
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// if (payloadStart < payloadEnd) {
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// for (int i = payloadStart; i < payloadEnd; i++) {
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// response += (char)data[i];
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// }
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// response += "\n";
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// } else {
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// response += " 数据长度不足\n";
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// }
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// // 发送通过蓝牙
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// if (pCharacteristic) {
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// pCharacteristic->setValue(response.c_str());
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// pCharacteristic->notify();
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// }
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// break;
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// }
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// case 4: { // demo
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// String response = "demo:";
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// int payloadStart = 3;
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// int payloadEnd = size - 3;
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// if (payloadStart < payloadEnd) {
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// for (int i = payloadStart; i < payloadEnd; i++) {
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// response += (char)data[i];
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// }
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// response += "\n";
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// } else {
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// response += " 数据长度不足\n";
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// }
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// // 发送通过蓝牙
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// if (pCharacteristic) {
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// pCharacteristic->setValue(response.c_str());
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// pCharacteristic->notify();
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// }
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// break;
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// }
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// default:
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// String response = "未知命令: ";
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// response += data[2];
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// response += "\n";
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// // 发送通过蓝牙
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// if (pCharacteristic) {
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// pCharacteristic->setValue(response.c_str());
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// pCharacteristic->notify();
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// }
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// break;
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// }
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// } else {
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// // BCC 校验失败
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// String response = "BCC ERROR\nCHECK BCC: ";
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// response += checksum;
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// response += "\nRES BCC: ";
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// response += data[size - 2], HEX;
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// response += "\n";
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// // 发送通过蓝牙
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// if (pCharacteristic) {
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// pCharacteristic->setValue(response.c_str());
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// pCharacteristic->notify();
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// }
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// }
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// } else {
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// String response = "Head or Tail ERROR\nReceive Data: ";
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// for (int i = 0; i < size; i++) {
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// response += data[i], HEX;
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// response += " ";
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// }
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// response += "\n";
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// // 发送通过蓝牙
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// if (pCharacteristic) {
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// pCharacteristic->setValue(response.c_str());
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// pCharacteristic->notify();
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// }
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// }
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// }
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