diff options
Diffstat (limited to 'hardware/cmx589a_teensy_test/uart.c')
-rw-r--r-- | hardware/cmx589a_teensy_test/uart.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/hardware/cmx589a_teensy_test/uart.c b/hardware/cmx589a_teensy_test/uart.c index 2fdcc43..94afe7e 100644 --- a/hardware/cmx589a_teensy_test/uart.c +++ b/hardware/cmx589a_teensy_test/uart.c @@ -48,9 +48,16 @@ void uart_init(uint32_t baud) UBRR1 = (F_CPU / 4 / baud - 1) / 2; UCSR1A = (1<<U2X1); UCSR1B = (1<<RXEN1) | (1<<TXEN1) | (1<<RXCIE1); - UCSR1C = (1<<UCSZ11) | (1<<UCSZ10); + //UCSR1C = (1<<UCSZ11) | (1<<UCSZ10); tx_buffer_head = tx_buffer_tail = 0; rx_buffer_head = rx_buffer_tail = 0; + + UCSR1C = 0; + UCSR1C |= (1 << UMSEL10) | (1 << UCSZ10) | (1 << UCSZ11); + //use external clk by settting PD5 aka XCK1 to Input + DDRD |= 1<<5; + + sei(); } |