Changeset 6c47e45 in avrstuff

Timestamp:

Sep 24, 2017, 7:47:43 PM (7 years ago)

Author:

Adrien Destugues <pulkomandy@…>

Branches:

main

Children:

c0a8b2a

Parents:

6390cc3

Message:

libusart: configure as 7E1 when using atmega128.

I'm using a Minitel as a terminal today. It can do only that.

File:

• libs/usart/usart.c (modified) (4 diffs)

libs/usart/usart.c

@@ -40 +40 @@
         UCSRC = (1 << UCSZ1) | (1 << UCSZ0);
 #elif defined __AVR_ATmega128__
-        UCSRC = (3 << UCSZ0);
+        UCSR0C = (2 << UCSZ0) | (2 << UPM0) ; /* 7 bits + even parity.
+                                                                                        TODO make this configurable. */
 #else
         UCSRC = (1 << URSEL) | (3 << UCSZ0);
@@ -55 +56 @@
 {
         //Wait untill the transmitter is ready
-        while(!(UCSRA & (1<<UDRE)))
+        while(!(UCSR0A & (1<<UDRE0)))
         {
                 //Do nothing
@@ -72 +73 @@
 {
         //Wait untill a data is available
-        while(!(UCSRA & (1<<RXC)))
+        while(!(UCSR0A & (1<<RXC0)))
         {
                 //Do nothing
@@ -80 +81 @@
         //and is available is buffer
 
-        return UDR;
+        return UDR0;
 }