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thank for helping me friend
its fine to use 8 bit, data will display accurate Laughing

sorry for that hold_regs next time i will remember that
i try that code it showing this

https://drive.google.com/file/d/1XZd3F51ESkn6GRT04BLMJkzGE3_hXU-9/view?usp=sharing

Thanks for reply Ttelmah

Both things you suggested to me it will show wrong values. I think there
is msb and lsb are not stored in correct place.

I try with 8 bit and change the sequence of ...

Thanks for reply friends.
Sorry for that i did not mention that FR & TOTAL value showing correct till 255 when the value is greater than that showing wrong values in both
forget that things
...

Thanks for reply Ttelmah sorry for my silly mistakes.
I know that the holding registers are 16bit values,
but this read_all_holding function gives me that 8 bit value.
When i use unsigned int16 ho ...

hi friends
sprintf(yazi,"%2X%2X",hold_regs[1],hold_regs[2]);
glcd_text57(1,0,yazi,2,ON);
sprintf(yazi,"%2X%2X",hold_regs[3&# ...

thanks for reply friends
i want to send and receive unsigned int32

i try both things as suggested but not working

float value send and receive showing '0' in all the values and i put known v ...

hi friends,

I am using pic18f46k22 as master and slave for modbus using CCS & PCH 16 bit v 5.015.
Slave working fine tested with modbus poll but the master showing two
value correct that is ...

Thanks for helping friends
the problem is solved,
i forget to use read = PORTD and write =LATD
with DSPIC30f6014A
code is working

#BYTE PORTDH=getenv("SFR:PORTD")+1
#B ...

I don't think that's supply problem because its working with same voltage with other compiler that's working fine.

I don't have pdf of HG12864B which i am using.
I search on net but not find rst pin current specification in any PDF.

Saying that code with DSPIC30f6014A
and it will display nothing when rst is ...

thanks for replay Ttelmah

pullup with 100R is not working, direct 5v is working

i try that code with other device i have PIC30f6014Ai try that code with other device i have PIC30f6014A see if ...

Thanks for reply.

Physical connection to the all pin is correct and working properly. I test other compiler "XC16" program for testing is working correctly and PIND7 is also toggle as
...

thanks for reply

its working but after connect rst to 5v

its affecting RST PIN only that is connected to PIND.7 its showing 0v

why affecting only RST PIN ?

output_high(GLCD_RST); IS HIGH ...

Thanks for reply friends
output_d((int16)data<<8);
void glcd_writeByte(int1 side, int8 data)
{
set_tris_d(0x0000);
if(side) // Choose ...