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RTX51_LED_9_STC3chuankou.rar
(267.06 KB, 下載次數(shù): 1)
2024-5-29 14:55 上傳
點擊文件名下載附件
把接收到的數(shù)+頭+尾發(fā)出去。收到數(shù)據(jù)就死機，代碼如下：
void job0 (void) _task_ 0
{
P0M1 = 0;
P0M0 = 0; //設(shè)置為準(zhǔn)雙向口
P1M1 = 0;
P1M0 = 0; //設(shè)置為準(zhǔn)雙向口
P3M1 = 0;
P3M0 = 0; //設(shè)置為準(zhǔn)雙向口
P5n_standard(0xff); //設(shè)置為準(zhǔn)雙向口
LED1=0;
LED2=1;
LED3=1;
LED4=1;
LED5=1;
LED6=1;
LED7=1;
LED8=1;
UART4_config(4); // 選擇波特率, 2: 使用Timer2做波特率, 其它值: 使用Timer4做波特率.
EA = 1;
youshuju=0;
os_create_task (1);
os_create_task (2);
os_create_task (3);
os_create_task (4);
os_create_task (5);
os_create_task (6);
os_create_task (7);
os_delete_task (0);
while(1)
{
os_wait(K_IVL,2,0);
LED1=!LED1;
}
}
void job1 (void) _task_ 1
{
//1602顯示
while(1)
{
LED2=!LED2;
delay_ms(1);
if(youshuju==1)//收到數(shù)據(jù)標(biāo)志
{
send_UART4(0XFF);//加頭發(fā)送
send_UART4(RX4_Buffer[0]);
send_UART4(RX4_Buffer[1]);
send_UART4(RX4_Buffer[2]);
send_UART4(RX4_Buffer[3]);
send_UART4(0XEE);//加尾發(fā)送
youshuju=0;
RX4_write = 0;
B_TX4_Busy = 0; //標(biāo)志發(fā)送忙
}
}
}
void job2 (void) _task_ 2
{
while(1)
{
os_wait(K_IVL,2,0);
LED3=!LED3;
}
}
void send_UART4(u8 dat)
{
u8 temp = 0;
B_TX4_Busy = 1; //標(biāo)志發(fā)送忙
S4BUF = dat; //寫數(shù)據(jù)到UART數(shù)據(jù)寄存器
while (!TI4)
; //不忙后發(fā)送數(shù)據(jù)
CLR_TI4();
B_TX4_Busy = 0; //標(biāo)志發(fā)送忙
}
/********************* UART4中斷函數(shù)************************/
void UART4_int (void) interrupt UART4_VECTOR
{
if(RI4)
{
CLR_RI4();
RX4_Buffer[RX4_write] = S4BUF;
if(++RX4_write >= RX4_Length)
youshuju=1;
else
{
youshuju=0;
}
//RX4_write = 0;
}
if(TI4)
{
CLR_TI4();
B_TX4_Busy = 0;
}
}
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