lpcware

UART3 settings in LPC1788

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 15, 2016 by lpcware
Content originally posted in LPCWare by ybacem on Fri Feb 06 07:36:43 MST 2015
Hi All,

I have a little problem with my configuration of UART3.
I have 2 functions UART0 and UART1 works with no problems.

But in my UART3 initialisation i can't write in register . At the moment of the program write in register of UART3 , the LPC1788 don't works.
someone there already you had this problem?

thanks

my code of uart3_init :

       //P0.00 = TX
Init_fonction_pin(0,0,2,0); //page 120 
//P0.01 = RX
Init_fonction_pin(0,1,2,0); //page 120 
//P4.31 = IO = sense 485
Init_fonction_pin(4,31,0,2); //page 123 



LPC_UART3->LCR = 0x0083 ; //DLAB = 1,sans parité,1 stop,1 start,8 bits data
 
        LPC_UART3->DLM = 0;
LPC_UART3->DLL = 52;
LPC_UART3->FDR = 0x10;

        //fifo
LPC_UART3->FCR = 0xC7 ; //page 484 ,raz fifos , RX fifo = 14

LPC_UART3->LCR = 0x03 ; //DLAB = 0,sans parité,1 stop,1 start,8 bits data


  
//pas d'interruptions
LPC_UART3->IER = 0x00; //page 480

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