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@@ -0,0 +1,648 @@
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+
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+#include "mmodbus.h"
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+#include "usart.h"
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+#include "delay.h"
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+#include "log.h"
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+MModBus_t mmodbus;
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+
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+// #####################################################################################################
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+#if (_MMODBUS_RTU == 1)
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+static const uint16_t wCRCTable[] =
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+ {
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+ 0X0000, 0XC0C1, 0XC181, 0X0140, 0XC301, 0X03C0, 0X0280, 0XC241,
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+ 0XC601, 0X06C0, 0X0780, 0XC741, 0X0500, 0XC5C1, 0XC481, 0X0440,
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+ 0XCC01, 0X0CC0, 0X0D80, 0XCD41, 0X0F00, 0XCFC1, 0XCE81, 0X0E40,
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+ 0X0A00, 0XCAC1, 0XCB81, 0X0B40, 0XC901, 0X09C0, 0X0880, 0XC841,
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+ 0XD801, 0X18C0, 0X1980, 0XD941, 0X1B00, 0XDBC1, 0XDA81, 0X1A40,
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+ 0X1E00, 0XDEC1, 0XDF81, 0X1F40, 0XDD01, 0X1DC0, 0X1C80, 0XDC41,
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+ 0X1400, 0XD4C1, 0XD581, 0X1540, 0XD701, 0X17C0, 0X1680, 0XD641,
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+ 0XD201, 0X12C0, 0X1380, 0XD341, 0X1100, 0XD1C1, 0XD081, 0X1040,
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+ 0XF001, 0X30C0, 0X3180, 0XF141, 0X3300, 0XF3C1, 0XF281, 0X3240,
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+ 0X3600, 0XF6C1, 0XF781, 0X3740, 0XF501, 0X35C0, 0X3480, 0XF441,
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+ 0X3C00, 0XFCC1, 0XFD81, 0X3D40, 0XFF01, 0X3FC0, 0X3E80, 0XFE41,
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+ 0XFA01, 0X3AC0, 0X3B80, 0XFB41, 0X3900, 0XF9C1, 0XF881, 0X3840,
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+ 0X2800, 0XE8C1, 0XE981, 0X2940, 0XEB01, 0X2BC0, 0X2A80, 0XEA41,
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+ 0XEE01, 0X2EC0, 0X2F80, 0XEF41, 0X2D00, 0XEDC1, 0XEC81, 0X2C40,
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+ 0XE401, 0X24C0, 0X2580, 0XE541, 0X2700, 0XE7C1, 0XE681, 0X2640,
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+ 0X2200, 0XE2C1, 0XE381, 0X2340, 0XE101, 0X21C0, 0X2080, 0XE041,
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+ 0XA001, 0X60C0, 0X6180, 0XA141, 0X6300, 0XA3C1, 0XA281, 0X6240,
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+ 0X6600, 0XA6C1, 0XA781, 0X6740, 0XA501, 0X65C0, 0X6480, 0XA441,
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+ 0X6C00, 0XACC1, 0XAD81, 0X6D40, 0XAF01, 0X6FC0, 0X6E80, 0XAE41,
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+ 0XAA01, 0X6AC0, 0X6B80, 0XAB41, 0X6900, 0XA9C1, 0XA881, 0X6840,
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+ 0X7800, 0XB8C1, 0XB981, 0X7940, 0XBB01, 0X7BC0, 0X7A80, 0XBA41,
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+ 0XBE01, 0X7EC0, 0X7F80, 0XBF41, 0X7D00, 0XBDC1, 0XBC81, 0X7C40,
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+ 0XB401, 0X74C0, 0X7580, 0XB541, 0X7700, 0XB7C1, 0XB681, 0X7640,
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+ 0X7200, 0XB2C1, 0XB381, 0X7340, 0XB101, 0X71C0, 0X7080, 0XB041,
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+ 0X5000, 0X90C1, 0X9181, 0X5140, 0X9301, 0X53C0, 0X5280, 0X9241,
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+ 0X9601, 0X56C0, 0X5780, 0X9741, 0X5500, 0X95C1, 0X9481, 0X5440,
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+ 0X9C01, 0X5CC0, 0X5D80, 0X9D41, 0X5F00, 0X9FC1, 0X9E81, 0X5E40,
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+ 0X5A00, 0X9AC1, 0X9B81, 0X5B40, 0X9901, 0X59C0, 0X5880, 0X9841,
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+ 0X8801, 0X48C0, 0X4980, 0X8941, 0X4B00, 0X8BC1, 0X8A81, 0X4A40,
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+ 0X4E00, 0X8EC1, 0X8F81, 0X4F40, 0X8D01, 0X4DC0, 0X4C80, 0X8C41,
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+ 0X4400, 0X84C1, 0X8581, 0X4540, 0X8701, 0X47C0, 0X4680, 0X8641,
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+ 0X8201, 0X42C0, 0X4380, 0X8341, 0X4100, 0X81C1, 0X8081, 0X4040};
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+// crc校验
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+uint16_t mmodbus_crc16(const uint8_t *nData, uint16_t wLength)
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+{
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+ uint8_t nTemp;
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+ uint16_t wCRCWord = 0xFFFF;
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+ while (wLength--)
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+ {
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+ nTemp = *nData++ ^ wCRCWord;
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+ wCRCWord >>= 8;
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+ wCRCWord ^= wCRCTable[nTemp];
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+ }
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+ return wCRCWord;
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+}
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+
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+
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+
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+#endif
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+volatile uint8_t flag;
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+// #####################################################################################################
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+//void mmodbus_callback(void)
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+//{
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+// uint16_t data;
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+// if (RESET != usart_flag_get(_MMODBUS_USART, USART_FLAG_RBNE))
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+// {
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+// flag=0;
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+// if (mmodbus.rxIndex < _MMODBUS_RXSIZE - 1)
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+// {
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+// mmodbus.rxBuf[mmodbus.rxIndex] = usart_data_receive(_MMODBUS_USART);
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+// mmodbus.rxIndex++;
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+// }
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+// else
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+// usart_data_receive(_MMODBUS_USART);
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+// }
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+
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+// if ((mmodbus.rxIndex > 0) && RESET != usart_flag_get(_MMODBUS_USART, USART_FLAG_IDLE) )
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+// {
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+// mmodbus.done = 1;
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+// usart_data_receive(_MMODBUS_USART);
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+// usart_interrupt_flag_clear(_MMODBUS_USART, USART_INT_FLAG_IDLE);
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+
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+// return;
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+// }
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+// else
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+// {
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+// data = usart_data_receive(_MMODBUS_USART);
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+// usart_interrupt_flag_clear(_MMODBUS_USART, USART_INT_FLAG_RBNE);
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+//
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+// }
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+// mmodbus.rxTime = gettick();
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+//}
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+
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+void mmodbus_callback(void)
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+{
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+ if (RESET != usart_interrupt_flag_get(_MMODBUS_USART, USART_INT_FLAG_RBNE))
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+ {
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+ if (mmodbus.rxIndex < _MMODBUS_RXSIZE - 1)
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+ {
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+ mmodbus.rxBuf[mmodbus.rxIndex] = usart_data_receive(_MMODBUS_USART);
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+ mmodbus.rxIndex++;
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+ }
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+ else
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+ {
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+ usart_data_receive(_MMODBUS_USART);
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+ }
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+ usart_interrupt_flag_clear(_MMODBUS_USART, USART_INT_FLAG_RBNE);
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+ }
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+
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+
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+ if ((mmodbus.rxIndex > 0) && RESET != usart_interrupt_flag_get(_MMODBUS_USART, USART_INT_FLAG_IDLE))
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+ {
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+ mmodbus.done = 1;
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+ usart_data_receive(_MMODBUS_USART);
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+ usart_interrupt_flag_clear(_MMODBUS_USART, USART_INT_FLAG_IDLE);
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+
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+ return;
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+ }
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+ else
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+ {
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+ usart_data_receive(USART0);
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+ usart_interrupt_flag_clear(USART0, USART_INT_FLAG_RBNE);
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+ }
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+ mmodbus.rxTime = gettick();
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+}
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+
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+
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+// ##################################################################################################
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+uint16_t mmodbus_receiveRaw(uint32_t timeout)
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+{
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+ uint32_t startTime = gettick();
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+ while (1)
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+ {
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+ if (gettick() - startTime> timeout)
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+ return 0;
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+ if (mmodbus.done == 1)
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+ {
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+ return mmodbus.rxIndex;
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+ }
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+ mmodbus_delay(1);
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+ }
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+}
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+// ##################################################################################################
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+bool mmodbus_sendRaw(uint8_t *data, uint16_t size, uint32_t timeout)
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+ {
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+ while(mmodbus.txBusy == 1)
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+ mmodbus_delay(1);
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+ mmodbus.txBusy = 1;
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+ memset(mmodbus.rxBuf, 0, _MMODBUS_RXSIZE);
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+ mmodbus.rxIndex = 0;
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+ mmodbus.done = 0;
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+ uint32_t startTime = gettick();
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+ portENTER_CRITICAL();
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+ gpio_bit_write(_MMODBUS_CTRL_GPIO, _MMODBUS_CTRL_PIN,1);
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+ mmodbus_delay(1);
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+ for (uint16_t i = 0; i < size; i++)
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+ {
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+ usart_data_transmit(_MMODBUS_USART,data[i]);
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+ while (usart_flag_get(_MMODBUS_USART, USART_FLAG_TBE ) == RESET);
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+ }
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+ while (RESET == usart_flag_get(_MMODBUS_USART, USART_FLAG_TC));
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+ gpio_bit_write(_MMODBUS_CTRL_GPIO, _MMODBUS_CTRL_PIN,0);
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+ portEXIT_CRITICAL();
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+ mmodbus.done=0;
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+ mmodbus.txBusy = 0;
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+
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+ return true;
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+}
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+
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+
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+// ##################################################################################################
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+bool mmodbus_init(uint32_t timeout)
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+{
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+ // HAL_GPIO_WritePin(_MMODBUS_CTRL_GPIO, _MMODBUS_CTRL_PIN, GPIO_PIN_RESET); 此处初始化在485 init过
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+ gpio_bit_write(_MMODBUS_CTRL_GPIO, _MMODBUS_CTRL_PIN,0);
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+ memset(&mmodbus, 0, sizeof(mmodbus));
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+ mmodbus.timeout = timeout;
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+ return true;
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+}
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+// ##################################################################################################
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+void mmodbus_set16bitOrder(MModBus_16bitOrder_t MModBus_16bitOrder_)
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+{
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+ mmodbus.byteOrder16 = MModBus_16bitOrder_;
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+}
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+// ##################################################################################################
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+void mmodbus_set32bitOrder(MModBus_32bitOrder_t MModBus_32bitOrder_)
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+{
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+ mmodbus.byteOrder32 = MModBus_32bitOrder_;
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+}
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+// ##################################################################################################
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+bool mmodbus_readCoil(uint8_t slaveAddress, uint16_t number, uint8_t *data)
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+{
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+ return mmodbus_readCoils(slaveAddress, number, 1, data);
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+}
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+// ##################################################################################################
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+// 读线圈
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+bool mmodbus_readCoils(uint8_t slaveAddress, uint16_t startnumber, uint16_t length, uint8_t *data)
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+{
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+#if (_MMODBUS_RTU == 1)
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+ uint8_t txData[8];
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+ txData[0] = slaveAddress;
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+ txData[1] = MModbusCMD_ReadCoilStatus;
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+ txData[2] = (startnumber & 0xFF00) >> 8;
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+ txData[3] = (startnumber & 0x00FF);
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+ txData[4] = (length & 0xFF00) >> 8;
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+ txData[5] = (length & 0x00FF);
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+ static uint16_t crc;
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+ crc = mmodbus_crc16(txData, 6);
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+ txData[6] = (crc & 0x00FF);
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+ txData[7] = (crc & 0xFF00) >> 8;
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+ mmodbus_sendRaw(txData, 8, 100);
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+ uint16_t recLen = mmodbus_receiveRaw(mmodbus.timeout);
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+ if (recLen == 0)
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+ return false;
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+ if (mmodbus.rxBuf[0] != slaveAddress)
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+ return false;
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+ if (mmodbus.rxBuf[1] != MModbusCMD_ReadCoilStatus)
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+ return false;
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+ crc = mmodbus_crc16(mmodbus.rxBuf, mmodbus.rxBuf[2] + 3);
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+ if (((crc & 0x00FF) != mmodbus.rxBuf[mmodbus.rxBuf[2] + 3]) || (((crc & 0xFF00) >> 8) != mmodbus.rxBuf[mmodbus.rxBuf[2] + 4]))
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+ return false;
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+ if (data != NULL)
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+ memcpy(data, &mmodbus.rxBuf[3], mmodbus.rxBuf[2]);
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+ return true;
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+#endif
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+#if (_MMODBUS_ASCII == 1)
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+
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+#endif
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+}
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+// ##################################################################################################
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+bool mmodbus_readDiscreteInput(uint8_t slaveAddress, uint16_t number, uint8_t *data)
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+{
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+ return mmodbus_readDiscreteInputs(slaveAddress, number, 1, data);
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+}
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+// ##################################################################################################
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+// 读取线圈功能码处理
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+bool mmodbus_readDiscreteInputs(uint8_t slaveAddress, uint16_t startnumber, uint16_t length, uint8_t *data)
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+{
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+#if (_MMODBUS_RTU == 1)
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+ uint8_t txData[8];
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+ txData[0] = slaveAddress;
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+ txData[1] = MModbusCMD_ReadDiscreteInputs;
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+ txData[2] = (startnumber & 0xFF00) >> 8;
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+ txData[3] = (startnumber & 0x00FF);
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+ txData[4] = (length & 0xFF00) >> 8;
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+ txData[5] = (length & 0x00FF);
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+ static uint16_t crc;
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+ crc = mmodbus_crc16(txData, 6);
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+ txData[6] = (crc & 0x00FF);
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+ txData[7] = (crc & 0xFF00) >> 8;
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+ mmodbus_sendRaw(txData, 8, 100);
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+ uint16_t recLen = mmodbus_receiveRaw(mmodbus.timeout);
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+ if (recLen == 0)
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+ return false;
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+ if (mmodbus.rxBuf[0] != slaveAddress)
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+ return false;
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+ if (mmodbus.rxBuf[1] != MModbusCMD_ReadDiscreteInputs)
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+ return false;
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+ crc = mmodbus_crc16(mmodbus.rxBuf, mmodbus.rxBuf[2] + 3);
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+ if (((crc & 0x00FF) != mmodbus.rxBuf[mmodbus.rxBuf[2] + 3]) || (((crc & 0xFF00) >> 8) != mmodbus.rxBuf[mmodbus.rxBuf[2] + 4]))
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+ return false;
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+ if (data != NULL)
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+ memcpy(data, &mmodbus.rxBuf[3], mmodbus.rxBuf[2]);
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+ return true;
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+#endif
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+}
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+// ##################################################################################################
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+
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+bool mmodbus_readInputRegisters8i(uint8_t slaveAddress, uint16_t startnumber, uint16_t length, uint8_t *data)
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+{
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+#if (_MMODBUS_RTU == 1)
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+ uint8_t txData[8];
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+ txData[0] = slaveAddress;
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+ txData[1] = MModbusCMD_ReadInputRegisters;
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+ txData[2] = (startnumber & 0xFF00) >> 8;
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+ txData[3] = (startnumber & 0x00FF);
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+ txData[4] = (length & 0xFF00) >> 8;
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+ txData[5] = (length & 0x00FF);
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+ static uint16_t crc;
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+ crc = mmodbus_crc16(txData, 6);
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+ txData[6] = (crc & 0x00FF);
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+ txData[7] = (crc & 0xFF00) >> 8;
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+ mmodbus_sendRaw(txData, 8, 100);
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+ uint16_t recLen = mmodbus_receiveRaw(mmodbus.timeout);
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+ if (recLen == 0)
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+ return false;
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+ if (mmodbus.rxBuf[0] != slaveAddress)
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+ return false;
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+ if (mmodbus.rxBuf[1] != MModbusCMD_ReadInputRegisters)
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+ return false;
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+ crc = mmodbus_crc16(mmodbus.rxBuf, mmodbus.rxBuf[2] + 3);
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+ if (((crc & 0x00FF) != mmodbus.rxBuf[mmodbus.rxBuf[2] + 3]) || (((crc & 0xFF00) >> 8) != mmodbus.rxBuf[mmodbus.rxBuf[2] + 4]))
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+ return false;
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+ if (data != NULL)
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+ memcpy(data, &mmodbus.rxBuf[3], mmodbus.rxBuf[2]);
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+ return true;
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+#endif
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+}
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+// ##################################################################################################
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+bool mmodbus_readInputRegister32f(uint8_t slaveAddress, uint16_t number, float *data)
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+{
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+ return mmodbus_readInputRegisters32f(slaveAddress, number, 1, data);
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+}
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+// ##################################################################################################
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+bool mmodbus_readInputRegisters32f(uint8_t slaveAddress, uint16_t startnumber, uint16_t length, float *data)
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+{
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+ bool ret = mmodbus_readInputRegisters8i(slaveAddress, startnumber, length * 2, (uint8_t *)data);
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+ if (ret == true)
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+ {
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+ for (uint16_t i = 0; i < length; i++)
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+ {
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+ uint8_t tmp1[4], tmp2[4];
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+ switch (mmodbus.byteOrder32)
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+ {
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+ case MModBus_32bitOrder_DCBA:
|
|
|
+ memcpy(tmp1, &data[i], 4);
|
|
|
+ tmp2[0] = tmp1[3];
|
|
|
+ tmp2[1] = tmp1[2];
|
|
|
+ tmp2[2] = tmp1[1];
|
|
|
+ tmp2[3] = tmp1[0];
|
|
|
+ memcpy(&data[i], tmp2, 4);
|
|
|
+ break;
|
|
|
+ case MModBus_32bitOrder_BADC:
|
|
|
+ memcpy(tmp1, &data[i], 4);
|
|
|
+ tmp2[0] = tmp1[1];
|
|
|
+ tmp2[1] = tmp1[0];
|
|
|
+ tmp2[2] = tmp1[3];
|
|
|
+ tmp2[3] = tmp1[2];
|
|
|
+ memcpy(&data[i], tmp2, 4);
|
|
|
+ break;
|
|
|
+ case MModBus_32bitOrder_CDAB:
|
|
|
+ memcpy(tmp1, &data[i], 4);
|
|
|
+ tmp2[0] = tmp1[2];
|
|
|
+ tmp2[1] = tmp1[3];
|
|
|
+ tmp2[2] = tmp1[0];
|
|
|
+ tmp2[3] = tmp1[1];
|
|
|
+ memcpy(&data[i], tmp2, 4);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ return false;
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_readInputRegister32i(uint8_t slaveAddress, uint16_t number, uint32_t *data)
|
|
|
+{
|
|
|
+ return mmodbus_readInputRegisters32i(slaveAddress, number, 1, data);
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_readInputRegisters32i(uint8_t slaveAddress, uint16_t startnumber, uint16_t length, uint32_t *data)
|
|
|
+{
|
|
|
+ return mmodbus_readInputRegisters32f(slaveAddress, startnumber, length, (float *)data);
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_readInputRegister16i(uint8_t slaveAddress, uint16_t number, uint16_t *data)
|
|
|
+{
|
|
|
+ return mmodbus_readInputRegisters16i(slaveAddress, number, 1, data);
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_readInputRegisters16i(uint8_t slaveAddress, uint16_t startnumber, uint16_t length, uint16_t *data)
|
|
|
+{
|
|
|
+ bool ret = mmodbus_readInputRegisters8i(slaveAddress, startnumber, length * 1, (uint8_t *)data);
|
|
|
+ if (ret == true)
|
|
|
+ {
|
|
|
+ uint8_t tmp1[2], tmp2[2];
|
|
|
+ for (uint16_t i = 0; i < length; i++)
|
|
|
+ {
|
|
|
+ switch (mmodbus.byteOrder16)
|
|
|
+ {
|
|
|
+ case MModBus_16bitOrder_AB:
|
|
|
+ memcpy(tmp1, &data[i], 2);
|
|
|
+ tmp2[0] = tmp1[0];
|
|
|
+ tmp2[1] = tmp1[1];
|
|
|
+ memcpy(&data[i], tmp2, 2);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ memcpy(tmp1, &data[i], 2);
|
|
|
+ tmp2[0] = tmp1[1];
|
|
|
+ tmp2[1] = tmp1[0];
|
|
|
+ memcpy(&data[i], tmp2, 2);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ return false;
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_readHoldingRegisters8i(uint8_t slaveAddress, uint16_t startnumber, uint16_t length, uint8_t *data)
|
|
|
+{
|
|
|
+#if (_MMODBUS_RTU == 1)
|
|
|
+ uint8_t txData[8];
|
|
|
+ txData[0] = slaveAddress;
|
|
|
+ txData[1] = MModbusCMD_ReadHoldingRegisters;
|
|
|
+ txData[2] = (startnumber & 0xFF00) >> 8;
|
|
|
+ txData[3] = (startnumber & 0x00FF);
|
|
|
+ txData[4] = (length & 0xFF00) >> 8;
|
|
|
+ txData[5] = (length & 0x00FF);
|
|
|
+ static uint16_t crc;
|
|
|
+ crc = mmodbus_crc16(txData, 6);
|
|
|
+ txData[6] = (crc & 0x00FF);
|
|
|
+ txData[7] = (crc & 0xFF00) >> 8;
|
|
|
+ mmodbus_sendRaw(txData, 8, 100);
|
|
|
+ uint16_t recLen = mmodbus_receiveRaw(100);
|
|
|
+ if (recLen == 0)
|
|
|
+ return false;
|
|
|
+ if (mmodbus.rxBuf[0] != slaveAddress)
|
|
|
+ return false;
|
|
|
+ if (mmodbus.rxBuf[1] != MModbusCMD_ReadHoldingRegisters)
|
|
|
+ return false;
|
|
|
+ crc = mmodbus_crc16(mmodbus.rxBuf, mmodbus.rxBuf[2] + 3);
|
|
|
+ if (((crc & 0x00FF) != mmodbus.rxBuf[mmodbus.rxBuf[2] + 3]) || (((crc & 0xFF00) >> 8) != mmodbus.rxBuf[mmodbus.rxBuf[2] + 4]))
|
|
|
+ return false;
|
|
|
+ if (data != NULL)
|
|
|
+ {
|
|
|
+ for (uint8_t i = 0; i < mmodbus.rxBuf[2]; i += 2)
|
|
|
+ {
|
|
|
+ uint8_t H = mmodbus.rxBuf[i + 3];
|
|
|
+ mmodbus.rxBuf[i + 3] = mmodbus.rxBuf[i + 3 + 1];
|
|
|
+ mmodbus.rxBuf[i + 3 + 1] = H;
|
|
|
+ }
|
|
|
+ memcpy(data, &mmodbus.rxBuf[3], mmodbus.rxBuf[2]);
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+#endif
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_readHoldingRegister32f(uint8_t slaveAddress, uint16_t number, float *data)
|
|
|
+{
|
|
|
+ return mmodbus_readHoldingRegisters32f(slaveAddress, number, 1, data);
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_readHoldingRegisters32f(uint8_t slaveAddress, uint16_t startnumber, uint16_t length, float *data)
|
|
|
+{
|
|
|
+ bool ret = mmodbus_readHoldingRegisters8i(slaveAddress, startnumber, length * 2, (uint8_t *)data);
|
|
|
+ if (ret == true)
|
|
|
+ {
|
|
|
+ for (uint16_t i = 0; i < length; i++)
|
|
|
+ {
|
|
|
+ uint8_t tmp1[4], tmp2[4];
|
|
|
+ switch (mmodbus.byteOrder32)
|
|
|
+ {
|
|
|
+ case MModBus_32bitOrder_DCBA:
|
|
|
+ memcpy(tmp1, &data[i], 4);
|
|
|
+ tmp2[0] = tmp1[3];
|
|
|
+ tmp2[1] = tmp1[2];
|
|
|
+ tmp2[2] = tmp1[1];
|
|
|
+ tmp2[3] = tmp1[0];
|
|
|
+ memcpy(&data[i], tmp2, 4);
|
|
|
+ break;
|
|
|
+ case MModBus_32bitOrder_BADC:
|
|
|
+ memcpy(tmp1, &data[i], 4);
|
|
|
+ tmp2[0] = tmp1[1];
|
|
|
+ tmp2[1] = tmp1[0];
|
|
|
+ tmp2[2] = tmp1[3];
|
|
|
+ tmp2[3] = tmp1[2];
|
|
|
+ memcpy(&data[i], tmp2, 4);
|
|
|
+ break;
|
|
|
+ case MModBus_32bitOrder_CDAB:
|
|
|
+ memcpy(tmp1, &data[i], 4);
|
|
|
+ tmp2[0] = tmp1[2];
|
|
|
+ tmp2[1] = tmp1[3];
|
|
|
+ tmp2[2] = tmp1[0];
|
|
|
+ tmp2[3] = tmp1[1];
|
|
|
+ memcpy(&data[i], tmp2, 4);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ return false;
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_readHoldingRegister32i(uint8_t slaveAddress, uint16_t number, uint32_t *data)
|
|
|
+{
|
|
|
+ return mmodbus_readHoldingRegisters32i(slaveAddress, number, 1, data);
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_readHoldingRegisters32i(uint8_t slaveAddress, uint16_t startnumber, uint16_t length, uint32_t *data)
|
|
|
+{
|
|
|
+ return mmodbus_readHoldingRegisters32f(slaveAddress, startnumber, length, (float *)data);
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_readHoldingRegister16i(uint8_t slaveAddress, uint16_t number, uint16_t *data)
|
|
|
+{
|
|
|
+ return mmodbus_readHoldingRegisters16i(slaveAddress, number, 1, data);
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_readHoldingRegisters16i(uint8_t slaveAddress, uint16_t startnumber, uint16_t length, uint16_t *data)
|
|
|
+{
|
|
|
+ bool ret = mmodbus_readHoldingRegisters8i(slaveAddress, startnumber, length * 1, (uint8_t *)data);
|
|
|
+ if (ret == true)
|
|
|
+ {
|
|
|
+ uint8_t tmp1[2], tmp2[2];
|
|
|
+ for (uint16_t i = 0; i < length; i++)
|
|
|
+ {
|
|
|
+ switch (mmodbus.byteOrder16)
|
|
|
+ {
|
|
|
+ case MModBus_16bitOrder_AB:
|
|
|
+ memcpy(tmp1, &data[i], 2);
|
|
|
+ tmp2[0] = tmp1[0];
|
|
|
+ tmp2[1] = tmp1[1];
|
|
|
+ memcpy(&data[i], tmp2, 2);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ memcpy(tmp1, &data[i], 2);
|
|
|
+ tmp2[0] = tmp1[1];
|
|
|
+ tmp2[1] = tmp1[0];
|
|
|
+ memcpy(&data[i], tmp2, 2);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ return false;
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_writeCoil(uint8_t slaveAddress, uint16_t number, uint8_t data)
|
|
|
+{
|
|
|
+#if (_MMODBUS_RTU == 1)
|
|
|
+ uint8_t txData[8];
|
|
|
+ txData[0] = slaveAddress;
|
|
|
+ txData[1] = MModbusCMD_WriteSingleCoil;
|
|
|
+ txData[2] = (number & 0xFF00) >> 8;
|
|
|
+ txData[3] = (number & 0x00FF);
|
|
|
+ if (data == 0)
|
|
|
+ txData[4] = 0;
|
|
|
+ else
|
|
|
+ txData[4] = 0xFF;
|
|
|
+ txData[5] = 0;
|
|
|
+ static uint16_t crc;
|
|
|
+ crc = mmodbus_crc16(txData, 6);
|
|
|
+ txData[6] = (crc & 0x00FF);
|
|
|
+ txData[7] = (crc & 0xFF00) >> 8;
|
|
|
+ mmodbus_sendRaw(txData, 8, 100);
|
|
|
+ uint16_t recLen = mmodbus_receiveRaw(mmodbus.timeout);
|
|
|
+ if (recLen == 0)
|
|
|
+ return false;
|
|
|
+ if (memcmp(txData, mmodbus.rxBuf, 8) == 0)
|
|
|
+ return true;
|
|
|
+ else
|
|
|
+ return false;
|
|
|
+#endif
|
|
|
+#if (_MMODBUS_ASCII == 1)
|
|
|
+
|
|
|
+#endif
|
|
|
+}
|
|
|
+
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_writeHoldingRegister16i(uint8_t slaveAddress, uint16_t number, uint16_t data)
|
|
|
+{
|
|
|
+#if (_MMODBUS_RTU == 1)
|
|
|
+ uint8_t txData[8];
|
|
|
+ txData[0] = slaveAddress;
|
|
|
+ txData[1] = MModbusCMD_WriteSingleRegister;
|
|
|
+ txData[2] = (number & 0xFF00) >> 8;
|
|
|
+ txData[3] = (number & 0x00FF);
|
|
|
+ txData[4] = (data & 0xFF00) >> 8;
|
|
|
+ txData[5] = data & 0x00FF;
|
|
|
+ static uint16_t crc;
|
|
|
+ crc = mmodbus_crc16(txData, 6);
|
|
|
+ txData[6] = (crc & 0x00FF);
|
|
|
+ txData[7] = (crc & 0xFF00) >> 8;
|
|
|
+ mmodbus_sendRaw(txData, 8, 100);
|
|
|
+ uint16_t recLen = mmodbus_receiveRaw(mmodbus.timeout);
|
|
|
+ if (recLen == 0)
|
|
|
+ return false;
|
|
|
+ if (memcmp(txData, mmodbus.rxBuf, 8) == 0)
|
|
|
+ return true;
|
|
|
+ else
|
|
|
+ return false;
|
|
|
+#endif
|
|
|
+#if (_MMODBUS_ASCII == 1)
|
|
|
+
|
|
|
+#endif
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+bool mmodbus_writeHoldingRegisters16i(uint8_t slaveAddress, uint16_t startnumber, uint16_t length, uint16_t *data)
|
|
|
+{
|
|
|
+#if (_MMODBUS_RTU == 1)
|
|
|
+ if (length == 1)
|
|
|
+ {
|
|
|
+ return mmodbus_writeHoldingRegister16i(slaveAddress, startnumber, data[0]);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ uint8_t txData[7 + length * 2 + 2];
|
|
|
+ txData[0] = slaveAddress;
|
|
|
+ txData[1] = MModbusCMD_WriteMultipleRegisters;
|
|
|
+ txData[2] = (startnumber & 0xFF00) >> 8;
|
|
|
+ txData[3] = (startnumber & 0x00FF);
|
|
|
+ txData[4] = (length & 0xFF00) >> 8;
|
|
|
+ txData[5] = (length & 0x00FF);
|
|
|
+ txData[6] = (length * 2);
|
|
|
+ uint8_t tmp1[2], tmp2[2];
|
|
|
+ for (uint16_t i = 0; i < length; i++)
|
|
|
+ {
|
|
|
+ switch (mmodbus.byteOrder16)
|
|
|
+ {
|
|
|
+ case MModBus_16bitOrder_AB:
|
|
|
+ memcpy(tmp1, &data[i], 2);
|
|
|
+ tmp2[0] = tmp1[1];
|
|
|
+ tmp2[1] = tmp1[0];
|
|
|
+ memcpy(&txData[7 + i * 2], tmp2, 2);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ memcpy(tmp1, &data[i], 2);
|
|
|
+ tmp2[0] = tmp1[0];
|
|
|
+ tmp2[1] = tmp1[1];
|
|
|
+ memcpy(&txData[7 + i * 2], tmp2, 2);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ static uint16_t crc;
|
|
|
+ crc = mmodbus_crc16(txData, 7 + length * 2);
|
|
|
+ txData[7 + length * 2 + 0] = (crc & 0x00FF);
|
|
|
+ txData[7 + length * 2 + 1] = (crc & 0xFF00) >> 8;
|
|
|
+ mmodbus_sendRaw(txData, 7 + length * 2 + 2, 100);
|
|
|
+ uint16_t recLen = mmodbus_receiveRaw(mmodbus.timeout);
|
|
|
+ if (recLen == 0)
|
|
|
+ return false;
|
|
|
+ crc = mmodbus_crc16(txData, 6);
|
|
|
+ txData[6] = (crc & 0x00FF);
|
|
|
+ txData[7] = (crc & 0xFF00) >> 8;
|
|
|
+ if (memcmp(txData, mmodbus.rxBuf, 8) == 0)
|
|
|
+ return true;
|
|
|
+ else
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+#endif
|
|
|
+#if (_MMODBUS_ASCII == 1)
|
|
|
+
|
|
|
+#endif
|
|
|
+}
|
|
|
+// ##################################################################################################
|
|
|
+
|