Henry-Hiles/qmk_userspace
1
0
Fork 0
forked from mirrors/qmk_userspace
Code Pull requests Activity

clang-format changes

Browse source
This commit is contained in:
skullY 2019-08-30 11:19:03 -07:00 • committed by skullydazed
parent 61af76a10d
commit b624f32f94
502 changed files with 32259 additions and 39062 deletions
Download patch file Download diff file Expand all files Collapse all files

58
tmk_core/protocol/serial_uart.c
View file

@ -40,73 +40,71 @@ POSSIBILITY OF SUCH DAMAGE.
#include <avr/interrupt.h>
#include "serial.h"
#if defined(SERIAL_UART_RTS_LO) && defined(SERIAL_UART_RTS_HI)
// Buffer state
// Empty: RBUF_SPACE == RBUF_SIZE(head==tail)
// Last 1 space: RBUF_SPACE == 2
// Full: RBUF_SPACE == 1(last cell of rbuf be never used.)
#define RBUF_SPACE() (rbuf_head < rbuf_tail ? (rbuf_tail - rbuf_head) : (RBUF_SIZE - rbuf_head + rbuf_tail))
// allow to send
#define rbuf_check_rts_lo() do { if (RBUF_SPACE() > 2) SERIAL_UART_RTS_LO(); } while (0)
// prohibit to send
#define rbuf_check_rts_hi() do { if (RBUF_SPACE() <= 2) SERIAL_UART_RTS_HI(); } while (0)
// Buffer state
// Empty: RBUF_SPACE == RBUF_SIZE(head==tail)
// Last 1 space: RBUF_SPACE == 2
// Full: RBUF_SPACE == 1(last cell of rbuf be never used.)
# define RBUF_SPACE() (rbuf_head < rbuf_tail ? (rbuf_tail - rbuf_head) : (RBUF_SIZE - rbuf_head + rbuf_tail))
// allow to send
# define rbuf_check_rts_lo() \
do { \
if (RBUF_SPACE() > 2) SERIAL_UART_RTS_LO(); \
} while (0)
// prohibit to send
# define rbuf_check_rts_hi() \
do { \
if (RBUF_SPACE() <= 2) SERIAL_UART_RTS_HI(); \
} while (0)
#else
#define rbuf_check_rts_lo()
#define rbuf_check_rts_hi()
# define rbuf_check_rts_lo()
# define rbuf_check_rts_hi()
#endif
void serial_init(void)
{
SERIAL_UART_INIT();
}
void serial_init(void) { SERIAL_UART_INIT(); }
// RX ring buffer
#define RBUF_SIZE 256
#define RBUF_SIZE 256
static uint8_t rbuf[RBUF_SIZE];
static uint8_t rbuf_head = 0;
static uint8_t rbuf_tail = 0;
uint8_t serial_recv(void)
{
uint8_t serial_recv(void) {
uint8_t data = 0;
if (rbuf_head == rbuf_tail) {
return 0;
}
data = rbuf[rbuf_tail];
data = rbuf[rbuf_tail];
rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE;
rbuf_check_rts_lo();
return data;
}
int16_t serial_recv2(void)
{
int16_t serial_recv2(void) {
uint8_t data = 0;
if (rbuf_head == rbuf_tail) {
return -1;
}
data = rbuf[rbuf_tail];
data = rbuf[rbuf_tail];
rbuf_tail = (rbuf_tail + 1) % RBUF_SIZE;
rbuf_check_rts_lo();
return data;
}
void serial_send(uint8_t data)
{
while (!SERIAL_UART_TXD_READY) ;
void serial_send(uint8_t data) {
while (!SERIAL_UART_TXD_READY)
;
SERIAL_UART_DATA = data;
}
// USART RX complete interrupt
ISR(SERIAL_UART_RXD_VECT)
{
ISR(SERIAL_UART_RXD_VECT) {
uint8_t next = (rbuf_head + 1) % RBUF_SIZE;
if (next != rbuf_tail) {
rbuf[rbuf_head] = SERIAL_UART_DATA;
rbuf_head = next;
rbuf_head = next;
}
rbuf_check_rts_hi();
}