diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/shared/can/grcan.c')
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/can/grcan.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/can/grcan.c b/c/src/lib/libbsp/sparc/shared/can/grcan.c index ac1c71849a..b1eacc01bd 100644 --- a/c/src/lib/libbsp/sparc/shared/can/grcan.c +++ b/c/src/lib/libbsp/sparc/shared/can/grcan.c @@ -979,12 +979,11 @@ static int grcan_wait_rxdata(struct grcan_priv *pDev, int min) return 0; } -/* Wait until min bytes available in TX circular buffer. TXIRQ is used to pin +/* Wait for TX circular buffer to have room for min CAN messagges. TXIRQ is used to pin * point the location of the CAN message corresponding to min. * - * min must be at least WRAP_AROUND_TX_BYTES bytes less - * than max buffer for this algo to work. - * + * min must be at least WRAP_AROUND_TX_MSGS less than max buffer capacity + * (pDev->txbuf_size/GRCAN_MSG_SIZE) for this algo to work. */ static int grcan_wait_txspace(struct grcan_priv *pDev, int min) { |