hal_uart.c File Reference

UART configuration. More...

#include "cleon_conf.h"
#include "app_define.h"
#include "sys_define.h"
#include "hal_define.h"
#include "fs_define.h"

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Functions
void	HAL_UART_Init ()
	Initializing UART.
__interrupt void	USCI_A1_VECTOR_ISR (void)

Variables
bool	bFLAG_USBFrameReceived

Detailed Description

UART configuration.

Definition in file hal_uart.c.

Function Documentation

void HAL_UART_Init

(

)

Initializing UART.

Returns

void

Parameters

void

Definition at line 24 of file hal_uart.c.

{ 
    USB_PORT(SEL) |= BV(USB_TXD_PIN);
    USB_PORT(SEL) |= BV(USB_RXD_PIN);

    // UART, which is used for USB, is set to 57600 bps
    // (see, pp909 of 'MSP430x5xx and MSP430x6xx family user's guide')    
    UCA1CTL1 |=  UCSWRST;       // **Put state machine in reset**
    UCA1CTL1 |=  UCSSEL_2;      // Set SMCLK as clock source
    UCA1BRW   =  208;           // 12MHz 57600 bps (see User's Guide)
    UCA1MCTL  =  UCBRS_2;       // Modln UCBRSx=2, UCBRFx=0,

    UCA1CTL1 &= ~UCSWRST;       // **Initialize USCI state machine**
    UCA1IE   |=  UCRXIE;        // Enable USCI_A1 RX interrupt
}

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__interrupt void USCI_A1_VECTOR_ISR

(

void

)

Definition at line 44 of file hal_uart.c.

{
    unsigned char ucRxData;
    switch(__even_in_range(UCA1IV,12)){
        case  0: break;
        case  2: 
            ucRxData = UCA1RXBUF;
            SYS_USB_ReceiveFrame(ucRxData);
            // If a complete USB frame has received successfully, exit low-power-mode
            if(bFLAG_USBFrameReceived == _SET_){
                __low_power_mode_off_on_exit();
            }
            break;     
        case  4: break;
        case  6: break;
        case  8: break;
        case 10: break;
        case 12: break;
        default: break;
    }
}

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Variable Documentation

bool bFLAG_USBFrameReceived

Definition at line 19 of file sys_usb.c.