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tools/lib/atben.c (atben_interrupt_wait): complain about stray interrupts

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If INT_RF is high but IRQ_STATUS is clear, something strange is
happening. We complain but continue waiting.
This commit is contained in:
Werner Almesberger 2011-06-20 20:46:52 -03:00
parent b7276d282a
commit 9952a20fda
1 changed files with 7 additions and 2 deletions
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9
tools/lib/atben.c
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@ -388,12 +388,17 @@ int atben_interrupt_wait(void *handle, int timeout_ms)
{ {
struct timeout to; struct timeout to;
int timedout; int timedout;
uint8_t irq;
timeout_start(&to, timeout_ms); timeout_start(&to, timeout_ms);
while (1) { while (1) {
timedout = timeout_reached(&to); timedout = timeout_reached(&to);
if (atben_interrupt(handle)) if (atben_interrupt(handle)) {
return atben_reg_read(handle, REG_IRQ_STATUS); irq = atben_reg_read(handle, REG_IRQ_STATUS);
if (irq)
return irq;
fprintf(stderr, "ignoring stray interrupt\n");
}
if (timedout) if (timedout)
return 0; return 0;
usleep(1000); usleep(1000);