diff options
| author | Min Xu <min.xu@min-info.net> | 2014-10-25 22:04:30 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2014-11-11 22:30:55 +0100 |
| commit | 478c2332b74c3ee7dfd8d70873419cf0ef19619e (patch) | |
| tree | cc17de873e6cffeec5d5b4ab38bc59381722527f /firmware/src | |
| parent | 8701086cacca088ae34580908cec45f77042b94e (diff) | |
Allow some USB interrupts to be handled during dbgu_append
Diffstat (limited to 'firmware/src')
| -rw-r--r-- | firmware/src/os/dbgu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/firmware/src/os/dbgu.c b/firmware/src/os/dbgu.c index d8bf8d1..72eaa88 100644 --- a/firmware/src/os/dbgu.c +++ b/firmware/src/os/dbgu.c @@ -55,7 +55,6 @@ #define DEBUG_BUFFER_SIZE (1 << 10) #define DEBUG_BUFFER_MASK (DEBUG_BUFFER_SIZE - 1) -#define USART_SYS_LEVEL 4 /*---------------------------- Global Variable ------------------------------*/ //*---------------------------------------------------------------------------- @@ -370,6 +369,9 @@ void dbgu_rb_append(char *data, int len) avail = (dbgu.out_head - 1 - dbgu.in_tail) & DEBUG_BUFFER_MASK; local_head = (unsigned)len; if (local_head > avail) { + local_irq_restore(intcFlags); + while ((AT91C_BASE_DBGU->DBGU_CSR & AT91C_US_TXBUFE) == 0); + local_irq_save(intcFlags); while ((AT91C_BASE_DBGU->DBGU_CSR & AT91C_US_TXBUFE) == 0); dbgu.out_head = dbgu.out_tail; avail = (dbgu.out_head - 1 - dbgu.in_tail) & DEBUG_BUFFER_MASK; |