X-Git-Url: http://cloudbase.mooo.com/gitweb/avrcpm.git/blobdiff_plain/623dd899f6326f34aaf298fd4f83dbd69d7ef750..e8384f88b1a073f47591b9ca13b73da12a7c59a8:/avr/sw-uart.asm

diff --git a/avr/sw-uart.asm b/avr/sw-uart.asm
index 7e81d98..3216293 100644
--- a/avr/sw-uart.asm
+++ b/avr/sw-uart.asm
@@ -26,6 +26,7 @@
 #endif
 
 #define SSER_BIT_TC	(F_CPU+BAUD/2) / BAUD 
+#define SSER_CHAR_TC	(10 * 1000 / BAUD) + 2
 
 #define RXBUFMASK  	RXBUFSIZE-1
 #define TXBUFMASK  	TXBUFSIZE-1
@@ -36,6 +37,8 @@ srx_state:
 	.byte	1
 srx_char_to:
 	.byte	1
+srx_char_time:
+	.byte	1
 srx_dr:
 	.byte	1
 srx_lastedge:
@@ -88,6 +91,9 @@ uart_init:
 	ori	temp,(1<<ICIE1)			;Enable input capture int.  (UART RX)
 	outm8	TIMSK1,temp			;
 
+	ldi	temp,SSER_CHAR_TC		;Character TO
+	sts	srx_char_time,temp
+
 	ret
 	
 ;------------------------------------------------------------------
@@ -132,7 +138,7 @@ uart_init:
 	sts	srx_dr,_0
 	ldi	temp,1
 	sts	srx_state,temp
-	ldi	temp,2
+	lds	temp,srx_char_time
 	sts	srx_char_to,temp
 	sbis	P_RXD-2,RXD			;RXD still low?
 	rjmp	srxi_end
@@ -251,7 +257,7 @@ srxi_2l:
 srxi_complete1:
 	ldi	temp2,1			;We are in start bit now.
 	sts	srx_state,temp2
-	ldi	temp2,2
+	lds	temp2,srx_char_time
 	sts	srx_char_to,temp2
 	rjmp	srxi_complete