mbed he
Test
Revision 0:bc6e22bac566, committed 2019-10-22
- Comitter:
- mbedhe
- Date:
- Tue Oct 22 09:20:58 2019 +0000
- Commit message:
- TEst
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Modbus.lib Tue Oct 22 09:20:58 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/rajit/code/Modbus/#3e360cf155b6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Oct 22 09:20:58 2019 +0000
@@ -0,0 +1,146 @@
+#include "mbed.h"
+
+/* ----------------------- Modbus includes ----------------------------------*/
+#include "mb.h"
+#include "mbport.h"
+
+/* ----------------------- Defines ------------------------------------------*/
+#define REG_INPUT_START 1000
+#define REG_INPUT_NREGS 4
+#define SLAVE_ID 0x0A
+
+//------------------------------------
+// Hyperterminal configuration
+// 9600 bauds, 8-bit data, no parity
+//------------------------------------
+
+Serial pc_port(SERIAL_TX, SERIAL_RX);
+
+DigitalOut myled(LED1);
+/*
+int main()
+{
+ int i = 1;
+ pc_port.printf("Hello World !\n");
+ while(1) {
+ wait(1);
+ pc_port.printf("This program runs since %d seconds.\n", i++);
+ myled = !myled;
+ }
+}
+*/
+
+/* ----------------------- Static variables ---------------------------------*/
+static USHORT usRegInputStart = REG_INPUT_START;
+static USHORT usRegInputBuf[REG_INPUT_NREGS];
+
+/* ----------------------- Start implementation -----------------------------*/
+int
+main( void )
+{
+ eMBErrorCode eStatus;
+
+ eStatus = eMBInit( MB_RTU, SLAVE_ID, 0, 9600, MB_PAR_NONE );
+
+ /* Enable the Modbus Protocol Stack. */
+ eStatus = eMBEnable( );
+
+ // Initialise some registers
+ usRegInputBuf[1] = 0x1234;
+ usRegInputBuf[2] = 0x5678;
+ usRegInputBuf[3] = 0x9abc;
+
+ for( ;; )
+ {
+ ( void )eMBPoll( );
+
+ /* Here we simply count the number of poll cycles. */
+ usRegInputBuf[0]++;
+ }
+}
+
+eMBErrorCode
+eMBRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
+{
+ eMBErrorCode eStatus = MB_ENOERR;
+ int iRegIndex;
+
+ if( ( usAddress >= REG_INPUT_START )
+ && ( usAddress + usNRegs <= REG_INPUT_START + REG_INPUT_NREGS ) )
+ {
+ iRegIndex = ( int )( usAddress - usRegInputStart );
+ while( usNRegs > 0 )
+ {
+ *pucRegBuffer++ =
+ ( unsigned char )( usRegInputBuf[iRegIndex] >> 8 );
+ *pucRegBuffer++ =
+ ( unsigned char )( usRegInputBuf[iRegIndex] & 0xFF );
+ iRegIndex++;
+ usNRegs--;
+ }
+ }
+ else
+ {
+ eStatus = MB_ENOREG;
+ }
+
+ return eStatus;
+}
+
+eMBErrorCode
+eMBRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs, eMBRegisterMode eMode )
+{
+ eMBErrorCode eStatus = MB_ENOERR;
+ int iRegIndex;
+
+ if (eMode == MB_REG_READ)
+ {
+ if( ( usAddress >= REG_INPUT_START )
+ && ( usAddress + usNRegs <= REG_INPUT_START + REG_INPUT_NREGS ) )
+ {
+ iRegIndex = ( int )( usAddress - usRegInputStart );
+ while( usNRegs > 0 )
+ {
+ *pucRegBuffer++ =
+ ( unsigned char )( usRegInputBuf[iRegIndex] >> 8 );
+ *pucRegBuffer++ =
+ ( unsigned char )( usRegInputBuf[iRegIndex] & 0xFF );
+ iRegIndex++;
+ usNRegs--;
+ }
+ }
+ }
+
+ if (eMode == MB_REG_WRITE)
+ {
+ if( ( usAddress >= REG_INPUT_START )
+ && ( usAddress + usNRegs <= REG_INPUT_START + REG_INPUT_NREGS ) )
+ {
+ iRegIndex = ( int )( usAddress - usRegInputStart );
+ while( usNRegs > 0 )
+ {
+ usRegInputBuf[iRegIndex] = ((unsigned int) *pucRegBuffer << 8) | ((unsigned int) *(pucRegBuffer+1));
+ pucRegBuffer+=2;
+ iRegIndex++;
+ usNRegs--;
+ }
+ }
+ }
+
+ return eStatus;
+}
+
+
+eMBErrorCode
+eMBRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNCoils,
+ eMBRegisterMode eMode )
+{
+ return MB_ENOREG;
+}
+
+eMBErrorCode
+eMBRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
+{
+ return MB_ENOREG;
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Oct 22 09:20:58 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc \ No newline at end of file