arduino/optiboot
1
0
Fork 0
mirror of https://github.com/Optiboot/optiboot.git synced 2025-12-25 02:40:59 +03:00
Code Activity

Merge pull request #249 from Mm7/master

Browse Source 
Fix baud rate setting for single speed mode
This commit is contained in:
Bill Westfield
2018-09-05 01:35:10 -04:00
committed by GitHub
parent 9b8e1f9a8b 97ae2a52f4
commit e0f998df41
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
optiboot/bootloaders/optiboot/optiboot.c
View File

@@ -609,13 +609,13 @@ int main(void) {
#endif //singlespeed
UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx
UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1
UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
UBRRL = (uint8_t)BAUD_SETTING;
#else // mega8/etc
#ifdef LIN_UART
//DDRB|=3;
LINCR = (1 << LSWRES);
//LINBRRL = (((F_CPU * 10L / 32L / BAUD_RATE) + 5L) / 10L) - 1;
LINBRRL=(uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
LINBRRL=(uint8_t)BAUD_SETTING;
LINBTR = (1 << LDISR) | (8 << LBT0);
LINCR = _BV(LENA) | _BV(LCMD2) | _BV(LCMD1) | _BV(LCMD0);
LINDAT=0;
@@ -625,7 +625,7 @@ int main(void) {
#endif
UART_SRB = _BV(RXEN0) | _BV(TXEN0);
UART_SRC = _BV(UCSZ00) | _BV(UCSZ01);
UART_SRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
UART_SRL = (uint8_t)BAUD_SETTING;
#endif // LIN_UART
#endif // mega8/etc
#endif // soft_uart