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fix UART ISR function. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@286 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
fengzi.rtt 2010-01-05 05:03:37 +00:00
parent 329c44a03f
commit 6b77e031db
1 changed files with 20 additions and 20 deletions
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40
libcpu/arm/lm3s/serial.c
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@ -15,18 +15,18 @@
#include <rthw.h> #include <rthw.h>
#include <rtthread.h> #include <rtthread.h>
#include <inc/hw_types.h> #include <inc/hw_types.h>
#include <inc/hw_memmap.h> #include <inc/hw_memmap.h>
#include <inc/hw_uart.h> #include <inc/hw_uart.h>
#include <inc/hw_ints.h> #include <inc/hw_ints.h>
#include <driverlib/gpio.h> #include <driverlib/gpio.h>
#include <driverlib/sysctl.h> #include <driverlib/sysctl.h>
#include <driverlib/interrupt.h> #include <driverlib/interrupt.h>
#include <uart.h> #include <uart.h>
#include "board.h" #include "board.h"
extern void rt_hw_interrupt_thread_switch(void); extern void rt_hw_interrupt_thread_switch(void);
#define RT_UART_RX_BUFFER_SIZE 64 #define RT_UART_RX_BUFFER_SIZE 64
@ -59,7 +59,7 @@ void rt_hw_uart_isr(struct rt_lm3s_serial* serial)
rt_uint32_t status; rt_uint32_t status;
device = (struct rt_device*)serial; device = (struct rt_device*)serial;
UARTIntStatus(serial->hw_base, true); status = UARTIntStatus(serial->hw_base, true);
/* clear interrupt status */ /* clear interrupt status */
UARTIntClear(serial->hw_base, status); UARTIntClear(serial->hw_base, status);
@ -309,20 +309,20 @@ void rt_hw_serial_init(void)
serial->baudrate = 115200; serial->baudrate = 115200;
rt_memset(serial->rx_buffer, 0, sizeof(serial->rx_buffer)); rt_memset(serial->rx_buffer, 0, sizeof(serial->rx_buffer));
serial->read_index = serial->save_index = 0; serial->read_index = serial->save_index = 0;
/* enable UART0 clock */ /* enable UART0 clock */
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0); SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA); SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
/* set UART0 pinmux */ /* set UART0 pinmux */
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1); GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
/* Configure the UART for 115,200, 8-N-1 operation. */
UARTConfigSetExpClk(UART0_BASE, SysCtlClockGet(), serial->baudrate,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE |
UART_CONFIG_PAR_NONE));
/* Configure the UART for 115,200, 8-N-1 operation. */
UARTConfigSetExpClk(UART0_BASE, SysCtlClockGet(), serial->baudrate,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE |
UART_CONFIG_PAR_NONE));
serial->parent.init = rt_serial_init; serial->parent.init = rt_serial_init;
serial->parent.open = rt_serial_open; serial->parent.open = rt_serial_open;
serial->parent.close = rt_serial_close; serial->parent.close = rt_serial_close;