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* disable irq-based uart output

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This commit is contained in:
Kaspar Schleiser 2010-11-03 12:03:37 +01:00
parent 74014d0408
commit 65e9364d2f
1 changed files with 6 additions and 5 deletions
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11
msba2/drivers/msba2-uart0.c
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@ -149,7 +149,7 @@ void UART0_IRQHandler(void)
static inline int uart0_puts(char *astring,int length) static inline int uart0_puts(char *astring,int length)
{ {
while (queue_items == (QUEUESIZE-1)) {} ; /* while (queue_items == (QUEUESIZE-1)) {} ;
U0IER = 0; U0IER = 0;
queue[queue_tail] = malloc(length+sizeof(unsigned int)); queue[queue_tail] = malloc(length+sizeof(unsigned int));
queue[queue_tail]->len = length; queue[queue_tail]->len = length;
@ -158,14 +158,14 @@ static inline int uart0_puts(char *astring,int length)
if (!running) if (!running)
push_queue(); push_queue();
U0IER |= BIT0 | BIT1; // enable RX irq U0IER |= BIT0 | BIT1; // enable RX irq
*/
/* alternative without queue: /* alternative without queue:*/
int i; int i;
for (i=0;i<length;i++) { for (i=0;i<length;i++) {
while (!(U0LSR & BIT5)); while (!(U0LSR & BIT5));
U0THR = astring[i]; U0THR = astring[i];
} }
*/ /* */
return length; return length;
} }
@ -199,7 +199,8 @@ bl_uart_init(void)
/* irq */ /* irq */
install_irq(UART0_INT, UART0_IRQHandler, 6); install_irq(UART0_INT, UART0_IRQHandler, 6);
U0IER |= BIT0 | BIT1; // enable RX+TX irq // U0IER |= BIT0 | BIT1; // enable RX+TX irq
U0IER |= BIT0; // enable only RX irq
return 1; return 1;
} }