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ChibiOS
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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
This commit is contained in:
Fabio Utzig 2016-10-21 11:53:17 +00:00
parent 566f91822b
commit 6de99ec69c
1 changed files with 3 additions and 11 deletions
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12
os/hal/ports/AVR/hal_serial_lld.c
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@ -139,11 +139,7 @@ static void usart0_init(const SerialConfig *config) {
uint8_t ucsr0c; uint8_t ucsr0c;
UBRR0L = config->sc_brr; UBRR0L = config->sc_brr;
#if defined(__AVR_ATmega162__)
UBRR0H = (config->sc_brr >> 8) & 0x0f; UBRR0H = (config->sc_brr >> 8) & 0x0f;
#else
UBRR0H = config->sc_brr >> 8;
#endif
UCSR0A = 0; UCSR0A = 0;
UCSR0B = (1 << RXEN0) | (1 << TXEN0) | (1 << RXCIE0); UCSR0B = (1 << RXEN0) | (1 << TXEN0) | (1 << RXCIE0);
switch (config->sc_bits_per_char) { switch (config->sc_bits_per_char) {
@ -180,7 +176,7 @@ static void usart0_deinit(void) {
UCSR0A = 0; UCSR0A = 0;
UCSR0B = 0; UCSR0B = 0;
#if defined(__AVR_ATmega162__) #if defined(__AVR_ATmega162__)
UCSR0C = (1 << URSEL0) | 0; UCSR0C = (1 << URSEL0);
#else #else
UCSR0C = 0; UCSR0C = 0;
#endif #endif
@ -204,11 +200,7 @@ static void usart1_init(const SerialConfig *config) {
uint8_t ucsr1c; uint8_t ucsr1c;
UBRR1L = config->sc_brr; UBRR1L = config->sc_brr;
#if defined(__AVR_ATmega162__)
UBRR1H = (config->sc_brr >> 8) & 0x0f; UBRR1H = (config->sc_brr >> 8) & 0x0f;
#else
UBRR1H = config->sc_brr >> 8;
#endif
UCSR1A = 0; UCSR1A = 0;
UCSR1B = (1 << RXEN1) | (1 << TXEN1) | (1 << RXCIE1); UCSR1B = (1 << RXEN1) | (1 << TXEN1) | (1 << RXCIE1);
switch (config->sc_bits_per_char) { switch (config->sc_bits_per_char) {
@ -245,7 +237,7 @@ static void usart1_deinit(void) {
UCSR1A = 0; UCSR1A = 0;
UCSR1B = 0; UCSR1B = 0;
#if defined(__AVR_ATmega162__) #if defined(__AVR_ATmega162__)
UCSR1C = (1 << URSEL1) | 0; UCSR1C = (1 << URSEL1);
#else #else
UCSR1C = 0; UCSR1C = 0;
#endif #endif