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path: root/tmk_core/protocol/ps2_io_avr.c
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Diffstat (limited to 'tmk_core/protocol/ps2_io_avr.c')
-rw-r--r--tmk_core/protocol/ps2_io_avr.c69
1 files changed, 26 insertions, 43 deletions
diff --git a/tmk_core/protocol/ps2_io_avr.c b/tmk_core/protocol/ps2_io_avr.c
index ed462345ba..a9ac5d338d 100644
--- a/tmk_core/protocol/ps2_io_avr.c
+++ b/tmk_core/protocol/ps2_io_avr.c
@@ -3,73 +3,56 @@
#include <util/delay.h>
/* Check port settings for clock and data line */
-#if !(defined(PS2_CLOCK_PORT) && \
- defined(PS2_CLOCK_PIN) && \
- defined(PS2_CLOCK_DDR) && \
- defined(PS2_CLOCK_BIT))
-# error "PS/2 clock port setting is required in config.h"
+#if !(defined(PS2_CLOCK_PORT) && defined(PS2_CLOCK_PIN) && defined(PS2_CLOCK_DDR) && defined(PS2_CLOCK_BIT))
+# error "PS/2 clock port setting is required in config.h"
#endif
-#if !(defined(PS2_DATA_PORT) && \
- defined(PS2_DATA_PIN) && \
- defined(PS2_DATA_DDR) && \
- defined(PS2_DATA_BIT))
-# error "PS/2 data port setting is required in config.h"
+#if !(defined(PS2_DATA_PORT) && defined(PS2_DATA_PIN) && defined(PS2_DATA_DDR) && defined(PS2_DATA_BIT))
+# error "PS/2 data port setting is required in config.h"
#endif
-
/*
* Clock
*/
-void clock_init(void)
-{
-}
+void clock_init(void) {}
-void clock_lo(void)
-{
- PS2_CLOCK_PORT &= ~(1<<PS2_CLOCK_BIT);
- PS2_CLOCK_DDR |= (1<<PS2_CLOCK_BIT);
+void clock_lo(void) {
+ PS2_CLOCK_PORT &= ~(1 << PS2_CLOCK_BIT);
+ PS2_CLOCK_DDR |= (1 << PS2_CLOCK_BIT);
}
-void clock_hi(void)
-{
+void clock_hi(void) {
/* input with pull up */
- PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT);
- PS2_CLOCK_PORT |= (1<<PS2_CLOCK_BIT);
+ PS2_CLOCK_DDR &= ~(1 << PS2_CLOCK_BIT);
+ PS2_CLOCK_PORT |= (1 << PS2_CLOCK_BIT);
}
-bool clock_in(void)
-{
- PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT);
- PS2_CLOCK_PORT |= (1<<PS2_CLOCK_BIT);
+bool clock_in(void) {
+ PS2_CLOCK_DDR &= ~(1 << PS2_CLOCK_BIT);
+ PS2_CLOCK_PORT |= (1 << PS2_CLOCK_BIT);
_delay_us(1);
- return PS2_CLOCK_PIN&(1<<PS2_CLOCK_BIT);
+ return PS2_CLOCK_PIN & (1 << PS2_CLOCK_BIT);
}
/*
* Data
*/
-void data_init(void)
-{
-}
+void data_init(void) {}
-void data_lo(void)
-{
- PS2_DATA_PORT &= ~(1<<PS2_DATA_BIT);
- PS2_DATA_DDR |= (1<<PS2_DATA_BIT);
+void data_lo(void) {
+ PS2_DATA_PORT &= ~(1 << PS2_DATA_BIT);
+ PS2_DATA_DDR |= (1 << PS2_DATA_BIT);
}
-void data_hi(void)
-{
+void data_hi(void) {
/* input with pull up */
- PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT);
- PS2_DATA_PORT |= (1<<PS2_DATA_BIT);
+ PS2_DATA_DDR &= ~(1 << PS2_DATA_BIT);
+ PS2_DATA_PORT |= (1 << PS2_DATA_BIT);
}
-bool data_in(void)
-{
- PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT);
- PS2_DATA_PORT |= (1<<PS2_DATA_BIT);
+bool data_in(void) {
+ PS2_DATA_DDR &= ~(1 << PS2_DATA_BIT);
+ PS2_DATA_PORT |= (1 << PS2_DATA_BIT);
_delay_us(1);
- return PS2_DATA_PIN&(1<<PS2_DATA_BIT);
+ return PS2_DATA_PIN & (1 << PS2_DATA_BIT);
}