[PATCH] TMS570 console driver, SCI frame error (baudrate calculation error)
zack
zakthertemsdev at gmail.com
Wed Jul 12 01:40:59 UTC 2023
fixes #4903 adressing an error in the TMS570 console driver
---
bsps/arm/tms570/console/tms570-sci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Fixes #4903
diff --git a/bsps/arm/tms570/console/tms570-sci.c b/bsps/arm/tms570/console/tms570-sci.c
index 768770a4c8..59a0b7e6f1 100644
--- a/bsps/arm/tms570/console/tms570-sci.c
+++ b/bsps/arm/tms570/console/tms570-sci.c
@@ -311,7 +311,7 @@ bool tms570_sci_set_attributes(
/* Apply baudrate to the hardware */
baudrate *= 2 * 16;
bauddiv = (BSP_PLL_OUT_CLOCK + baudrate / 2) / baudrate;
- ctx->regs->BRS = bauddiv? bauddiv - 1: 0;
+ ctx->regs->BRS = bauddiv? bauddiv - 2: 0;
ctx->regs->GCR1 |= TMS570_SCI_GCR1_SWnRST | TMS570_SCI_GCR1_TXENA |
TMS570_SCI_GCR1_RXENA;
--
2.34.1
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