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Add AcSocket example
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‎examples/Modules/AcSocket/AcSocket.ino

Lines changed: 67 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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1+
#include <Arduino.h>
2+
#include <M5Stack.h>
3+
#include "protocol.h"
4+
#include "modbus.h"
5+
volatile uint32_t tim = 0;
6+
7+
uint32_t time_now = 0;
8+
uint8_t ucTestFlag = 0;
9+
bool ubCoilState = false;
10+
11+
void setup() {
12+
M5.begin(true, false, true, false);
13+
mb_init(0xac, 9600, &tim);
14+
Serial1.begin(9600, SERIAL_8N1, 16, 17);
15+
time_now = millis();
16+
// put your setup code here, to run once:
17+
}
18+
19+
20+
void loop() {
21+
M5.update();
22+
23+
if(millis() - time_now > 60000UL) {
24+
time_now = millis();
25+
if(ucTestFlag) {
26+
if(ubCoilState) {
27+
char data_str[] = {0xAA, 5, 0x00, 0x00, 0x00, 0x00};
28+
mb_send_frame((uint8_t *)data_str, 6);
29+
} else {
30+
char data_str[] = {0xAA, 5, 0x00, 0x00, 0xff, 0x00};
31+
mb_send_frame((uint8_t *)data_str, 6);
32+
}
33+
ubCoilState = 1 - ubCoilState;
34+
}
35+
}
36+
37+
if(M5.BtnA.wasPressed()) {
38+
char data_str[] = {0xAA, 5, 0x00, 0x00, 0x00, 0x00};
39+
mb_send_frame((uint8_t *)data_str, 6);
40+
}
41+
42+
if(M5.BtnB.wasPressed()) {
43+
char data_str[] = {0xAA, 5, 0x00, 0x00, 0xff, 0x00};
44+
mb_send_frame((uint8_t *)data_str, 6);
45+
}
46+
47+
48+
if(M5.BtnC.wasPressed()) {
49+
ucTestFlag = 1 - ucTestFlag;
50+
}
51+
52+
vTaskDelay(pdMS_TO_TICKS(10));
53+
54+
// while(Serial1.available()) {
55+
// protocol_rec_put(Serial1.read());
56+
// micros();
57+
// }
58+
// put your main code here, to run repeatedly:
59+
}
60+
61+
void mb_send_one_byte(uint8_t data) {
62+
Serial1.write(data);
63+
}
64+
65+
void protocol_callback(CmdData cmd) {
66+
Serial.printf("got ... \r\n");
67+
}

‎examples/Modules/AcSocket/modbus.c

Lines changed: 130 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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1+
#include "modbus.h"
2+
3+
typedef enum
4+
{
5+
STATE_RX_INIT, /*!< Receiver is in initial state. */
6+
STATE_RX_IDLE, /*!< Receiver is in idle state. */
7+
STATE_RX_RCV, /*!< Frame is beeing received. */
8+
STATE_RX_ERROR /*!< If the frame is invalid. */
9+
} eMBRcvState;
10+
11+
typedef enum {
12+
STATE_TX_IDLE, /*!< Transmitter is in idle state. */
13+
STATE_TX_XMIT /*!< Transmitter is in transfer state. */
14+
} eMBSndState;
15+
16+
/* ----------------------- Static variables ---------------------------------*/
17+
static volatile eMBSndState eSndState;
18+
static volatile eMBRcvState eRcvState;
19+
static uint8_t ucMbId;
20+
static uint16_t usframeT35_50us;
21+
volatile uint32_t *puiTimeTicks;
22+
volatile uint32_t usFrameIdleTicks;
23+
static volatile uint8_t ucMasterRTURcvBuf[MB_SER_PDU_SIZE_MAX];
24+
static volatile uint16_t usRcvBuffPos;
25+
26+
static const uint8_t aucCRCHi[] = {
27+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
28+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
29+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
30+
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
31+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
32+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
33+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
34+
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
35+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
36+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
37+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
38+
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
39+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
40+
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
41+
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
42+
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
43+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
44+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
45+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
46+
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
47+
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
48+
0x00, 0xC1, 0x81, 0x40
49+
};
50+
51+
static const uint8_t aucCRCLo[] = {
52+
0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7,
53+
0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E,
54+
0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9,
55+
0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC,
56+
0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
57+
0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32,
58+
0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D,
59+
0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38,
60+
0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF,
61+
0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
62+
0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1,
63+
0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4,
64+
0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB,
65+
0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA,
66+
0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
67+
0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0,
68+
0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97,
69+
0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E,
70+
0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89,
71+
0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
72+
0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83,
73+
0x41, 0x81, 0x80, 0x40
74+
};
75+
76+
uint16_t usMBCRC16(uint8_t * pucFrame, uint16_t usLen) {
77+
uint8_t ucCRCHi = 0xFF;
78+
uint8_t ucCRCLo = 0xFF;
79+
int iIndex;
80+
81+
while (usLen--) {
82+
iIndex = ucCRCLo ^ *(pucFrame++);
83+
ucCRCLo = (uint8_t)(ucCRCHi ^ aucCRCHi[iIndex]);
84+
ucCRCHi = aucCRCLo[iIndex];
85+
}
86+
return (uint16_t)(ucCRCHi << 8 | ucCRCLo);
87+
}
88+
89+
void mb_init(uint8_t id, uint32_t boudrate, volatile uint32_t * time_base) {
90+
ucMbId = id;
91+
puiTimeTicks = time_base;
92+
if (boudrate > 19200) {
93+
usframeT35_50us = 35;
94+
} else {
95+
usframeT35_50us = (7UL * 220000UL) / (2UL * boudrate);
96+
}
97+
}
98+
99+
void mb_put_rec_data(uint8_t data) {
100+
usFrameIdleTicks = *puiTimeTicks;
101+
ucMasterRTURcvBuf[usRcvBuffPos++] = data;
102+
if (usRcvBuffPos == MB_SER_PDU_SIZE_MAX) {
103+
mb_get_frame_error_cb(MB_EIO);
104+
usRcvBuffPos = 0;
105+
}
106+
}
107+
108+
void mb_poll() {
109+
if ((uint16_t)*puiTimeTicks - usframeT35_50us > usFrameIdleTicks) {
110+
if (usRcvBuffPos > MB_SER_PDU_SIZE_MIN && usMBCRC16((uint8_t *)ucMasterRTURcvBuf, usRcvBuffPos) == 0) {
111+
mb_get_frame_cb(ucMasterRTURcvBuf[0], (uint8_t *)ucMasterRTURcvBuf, usRcvBuffPos - 2 - 1);
112+
usRcvBuffPos = 0;
113+
} else if (usRcvBuffPos > 0) {
114+
mb_get_frame_error_cb(MB_EIO);
115+
usRcvBuffPos = 0;
116+
}
117+
}
118+
}
119+
120+
void mb_send_frame(uint8_t* frame, uint16_t length) {
121+
uint16_t usCRC16;
122+
uint8_t frame_out[length + 2];
123+
memcpy(frame_out, frame, length);
124+
usCRC16 = usMBCRC16(frame, length);
125+
frame_out[length] = (uint8_t)(usCRC16 & 0xff);
126+
frame_out[length+1] = (uint8_t)(usCRC16 >> 8);
127+
for (uint16_t i = 0; i < length + 2; i++) {
128+
mb_send_one_byte(frame_out[i]);
129+
}
130+
}

‎examples/Modules/AcSocket/modbus.h

Lines changed: 84 additions & 0 deletions
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1+
#pragma once
2+
#ifndef __MODBUS__H_
3+
#define __MODBUS__H_
4+
5+
#ifdef __cplusplus
6+
extern "C" {
7+
#endif
8+
9+
#include "Arduino.h"
10+
11+
#define MB_ID 0xAA
12+
13+
/* ----------------------- Defines ------------------------------------------*/
14+
#define MB_SER_PDU_SIZE_MIN 4 /*!< Minimum size of a Modbus RTU frame. */
15+
#define MB_SER_PDU_SIZE_MAX 256 /*!< Maximum size of a Modbus RTU frame. */
16+
#define MB_SER_PDU_SIZE_CRC 2 /*!< Size of CRC field in PDU. */
17+
#define MB_SER_PDU_ADDR_OFF 0 /*!< Offset of slave address in Ser-PDU. */
18+
#define MB_SER_PDU_PDU_OFF 1 /*!< Offset of Modbus-PDU in Ser-PDU. */
19+
20+
#define MB_ADDRESS_BROADCAST ( 0 ) /*! Modbus broadcast address. */
21+
#define MB_ADDRESS_MIN ( 1 ) /*! Smallest possible slave address. */
22+
#define MB_ADDRESS_MAX ( 247 ) /*! Biggest possible slave address. */
23+
24+
#define MB_FUNC_NONE ( 0 )
25+
#define MB_FUNC_READ_COILS ( 1 )
26+
#define MB_FUNC_READ_DISCRETE_INPUTS ( 2 )
27+
#define MB_FUNC_WRITE_SINGLE_COIL ( 5 )
28+
#define MB_FUNC_WRITE_MULTIPLE_COILS ( 15 )
29+
#define MB_FUNC_READ_HOLDING_REGISTER ( 3 )
30+
#define MB_FUNC_READ_INPUT_REGISTER ( 4 )
31+
#define MB_FUNC_WRITE_REGISTER ( 6 )
32+
#define MB_FUNC_WRITE_MULTIPLE_REGISTERS ( 16 )
33+
#define MB_FUNC_READWRITE_MULTIPLE_REGISTERS ( 23 )
34+
#define MB_FUNC_DIAG_READ_EXCEPTION ( 7 )
35+
#define MB_FUNC_DIAG_DIAGNOSTIC ( 8 )
36+
#define MB_FUNC_DIAG_GET_COM_EVENT_CNT ( 11 )
37+
#define MB_FUNC_DIAG_GET_COM_EVENT_LOG ( 12 )
38+
#define MB_FUNC_OTHER_REPORT_SLAVEID ( 17 )
39+
#define MB_FUNC_ERROR ( 128 )
40+
41+
enum MB_FC {
42+
MB_FC_NONE = 0, /*!< null operator */
43+
MB_FC_READ_COILS = 1, /*!< FCT=1 -> read coils or digital outputs */
44+
MB_FC_READ_DISCRETE_INPUT = 2, /*!< FCT=2 -> read digital inputs */
45+
MB_FC_READ_REGISTERS = 3, /*!< FCT=3 -> read registers or analog outputs */
46+
MB_FC_READ_INPUT_REGISTER = 4, /*!< FCT=4 -> read analog inputs */
47+
MB_FC_WRITE_COIL = 5, /*!< FCT=5 -> write single coil or output */
48+
MB_FC_WRITE_REGISTER = 6, /*!< FCT=6 -> write single register */
49+
MB_FC_WRITE_MULTIPLE_COILS = 15, /*!< FCT=15 -> write multiple coils or outputs */
50+
MB_FC_WRITE_MULTIPLE_REGISTERS = 16 /*!< FCT=16 -> write multiple registers */
51+
};
52+
53+
enum MB_STATUS {
54+
MB_OK = 0,
55+
MB_FRAME = -1,
56+
MB_BUFF_OVERFLOW = -2,
57+
MB_CRC_ERROR = -3,
58+
};
59+
60+
typedef enum {
61+
MB_ENOERR, /*!< no error. */
62+
MB_ENOREG, /*!< illegal register address. */
63+
MB_EINVAL, /*!< illegal argument. */
64+
MB_EPORTERR, /*!< porting layer error. */
65+
MB_ENORES, /*!< insufficient resources. */
66+
MB_EIO, /*!< I/O error. */
67+
MB_EILLSTATE, /*!< protocol stack in illegal state. */
68+
MB_ETIMEDOUT /*!< timeout error occurred. */
69+
} eMBErrorCode;
70+
71+
void mb_put_rec_data(uint8_t data);
72+
void mb_init(uint8_t id, uint32_t boudrate, volatile uint32_t * time_base);
73+
void mb_poll();
74+
void mb_send_frame(uint8_t *frame, uint16_t length);
75+
76+
__attribute__((weak)) void mb_send_one_byte(uint8_t data);
77+
__attribute__((weak)) void mb_get_frame_cb(uint8_t rcvAddress, uint8_t *frame, uint16_t length);
78+
__attribute__((weak)) void mb_get_frame_error_cb(eMBErrorCode);
79+
80+
#ifdef __cplusplus
81+
}
82+
#endif
83+
84+
#endif

‎examples/Modules/AcSocket/protocol.cpp

Lines changed: 109 additions & 0 deletions
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1+
#include "protocol.h"
2+
3+
CmdData cmd_save;
4+
5+
static protocolComType_t pUartHandle;
6+
7+
__attribute__((weak)) void protocol_callback(CmdData cmd);
8+
__attribute__((weak)) void protocol_data_write(uint8_t data);
9+
10+
static uint8_t CheckSumCal(uint8_t *pData, uint32_t num) {
11+
if (pData == NULL) { return 0x00; }
12+
if (num == 0) { return 0x00; }
13+
uint8_t crc_data = 0x00;
14+
15+
for (uint32_t i = 0; i < num; i++) {
16+
/*仅保留低位*/
17+
crc_data += 0xff & pData[i];
18+
}
19+
return crc_data;
20+
}
21+
22+
static void InitPtcStruct() {
23+
pUartHandle.step = 0;
24+
pUartHandle.tmpCnt = 0;
25+
pUartHandle.aRxBufIndex = 0;
26+
pUartHandle.aRxCrcIndex = 0;
27+
}
28+
29+
void protocol_rec_put(uint8_t data) {
30+
switch (pUartHandle.step) {
31+
case 0:
32+
if (data == FRAME_HEAD_SAME_FA) { /*帧头正确*/
33+
pUartHandle.step++;/*跳转下一步骤*/
34+
pUartHandle.aRxBuf[pUartHandle.aRxBufIndex++] = data;
35+
}
36+
break;
37+
case 1:
38+
if (data == FRAME_HEAD_SAME_FA) {
39+
pUartHandle.step = 1;/*第一帧头重复，回到第二帧头判断处,AA 55 AA 55的情况*/
40+
pUartHandle.aRxBufIndex = 1;/*更新第二帧头*/
41+
}
42+
else {
43+
pUartHandle.tmpCnt = data + 1;/*临时计数值*/
44+
pUartHandle.step++;/*跳转下一步骤*/
45+
pUartHandle.aRxBuf[pUartHandle.aRxBufIndex++] = data;/*压入缓冲区*/
46+
if (((RX_BUF_LENGTH - pUartHandle.aRxBufIndex) < data) || (data == 0)) {/*缓冲区溢出或数据长度为 0*/
47+
InitPtcStruct();/*初始化结构体值,准备下一次接收*/
48+
}
49+
}
50+
break;
51+
case 2:
52+
if ((--pUartHandle.tmpCnt) > 0) {/*接收数据到缓冲区*/
53+
pUartHandle.aRxBuf[pUartHandle.aRxBufIndex++] = data;
54+
if (pUartHandle.aRxBufIndex >= RX_BUF_LENGTH) {/*长度被意外修改，导致缓冲区溢出*/
55+
InitPtcStruct();/*初始化结构体值,准备下一次接收*/
56+
}
57+
}
58+
else {
59+
if (pUartHandle.aRxBufIndex > 7 && CheckSumCal(&pUartHandle.aRxBuf[0], pUartHandle.aRxBufIndex + 1) == data) {
60+
cmd_save.src = pUartHandle.aRxBuf[2];
61+
cmd_save.dst = pUartHandle.aRxBuf[3];
62+
cmd_save.seq = pUartHandle.aRxBuf[4];
63+
cmd_save.res = pUartHandle.aRxBuf[5];
64+
cmd_save.payload.cmd_id = pUartHandle.aRxBuf[6];
65+
cmd_save.payload.ack_flag = pUartHandle.aRxBuf[7];
66+
cmd_save.payload.cmd_length = pUartHandle.aRxBufIndex - 8;
67+
cmd_save.payload.cmd_value = (uint8_t *)malloc(sizeof(uint8_t) * cmd_save.payload.cmd_length);
68+
for (int i = 0; i < cmd_save.payload.cmd_length; i++) {
69+
cmd_save.payload.cmd_value[i] = pUartHandle.aRxBuf[8 + i];
70+
}
71+
protocol_callback(cmd_save);
72+
free(cmd_save.payload.cmd_value);
73+
}
74+
InitPtcStruct(); /*初始化结构体值,准备下一次接收*/
75+
}
76+
break;
77+
78+
default:
79+
InitPtcStruct();/*初始化结构体值,准备下一次接收*/
80+
break;
81+
}
82+
}
83+
84+
void protocol_send_data(CmdData data) {
85+
protocolComType_t pUartHandle;
86+
pUartHandle.aRxBufIndex = 0;
87+
pUartHandle.aRxBuf[pUartHandle.aRxBufIndex++] = FRAME_HEAD_SAME_FA;
88+
89+
pUartHandle.aRxBuf[pUartHandle.aRxBufIndex++] = data.payload.cmd_length + 6;
90+
uint8_t *ptx = (uint8_t *)&data;
91+
for (int i = 0; i < 6; i++) {
92+
pUartHandle.aRxBuf[pUartHandle.aRxBufIndex++] = ptx[i];
93+
}
94+
95+
if (data.payload.cmd_length) {
96+
ptx = data.payload.cmd_value;
97+
for (int i = 0; i < data.payload.cmd_length; i++) {
98+
pUartHandle.aRxBuf[pUartHandle.aRxBufIndex++] = ptx[i];
99+
}
100+
}
101+
102+
uint8_t check = CheckSumCal(&pUartHandle.aRxBuf[0], 8 + data.payload.cmd_length);
103+
pUartHandle.aRxBuf[pUartHandle.aRxBufIndex++] = check;
104+
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for (int i = 0; i < pUartHandle.aRxBufIndex; i++) {
106+
protocol_data_write(pUartHandle.aRxBuf[i]);
107+
}
108+
InitPtcStruct();
109+
}

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