Fixed style / be more defensive writing register

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9869 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 3 insertions, 11 deletions

diff --git a/os/hal/ports/AVR/hal_serial_lld.c b/os/hal/ports/AVR/hal_serial_lld.c
index ab0d7f47b..6b4d00106 100644
--- a/os/hal/ports/AVR/hal_serial_lld.c
+++ b/os/hal/ports/AVR/hal_serial_lld.c
@@ -139,11 +139,7 @@ static void usart0_init(const SerialConfig *config) {
   uint8_t ucsr0c;

 

   UBRR0L = config->sc_brr;

-#if defined(__AVR_ATmega162__)

   UBRR0H = (config->sc_brr >> 8) & 0x0f;

-#else

-  UBRR0H = config->sc_brr >> 8;

-#endif

   UCSR0A = 0;

   UCSR0B = (1 << RXEN0) | (1 << TXEN0) | (1 << RXCIE0);

   switch (config->sc_bits_per_char) {

@@ -180,7 +176,7 @@ static void usart0_deinit(void) {
   UCSR0A = 0;

   UCSR0B = 0;

 #if defined(__AVR_ATmega162__)

-  UCSR0C = (1 << URSEL0) | 0;

+  UCSR0C = (1 << URSEL0);

 #else

   UCSR0C = 0;

 #endif

@@ -204,16 +200,12 @@ static void usart1_init(const SerialConfig *config) {
   uint8_t ucsr1c;

 

   UBRR1L = config->sc_brr;

-#if defined(__AVR_ATmega162__)

   UBRR1H = (config->sc_brr >> 8) & 0x0f;

-#else

-  UBRR1H = config->sc_brr >> 8;

-#endif

   UCSR1A = 0;

   UCSR1B = (1 << RXEN1) | (1 << TXEN1) | (1 << RXCIE1);

   switch (config->sc_bits_per_char) {

   case USART_CHAR_SIZE_5:

-    ucsr1c = 0;

+	ucsr1c = 0;

     break;

   case USART_CHAR_SIZE_6:

     ucsr1c = (1 << UCSZ10);

@@ -245,7 +237,7 @@ static void usart1_deinit(void) {
   UCSR1A = 0;

   UCSR1B = 0;

 #if defined(__AVR_ATmega162__)

-  UCSR1C = (1 << URSEL1) | 0;

+  UCSR1C = (1 << URSEL1);

 #else

   UCSR1C = 0;

 #endif