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-rw-r--r--tmk_core/common/avr/bootloader.c10
-rw-r--r--tmk_core/common/keyboard.c37
-rw-r--r--tmk_core/common/keyboard.h9
-rw-r--r--tmk_core/common/matrix.h3
-rw-r--r--tmk_core/common/mousekey.c80
-rw-r--r--tmk_core/common/mousekey.h43
-rw-r--r--tmk_core/common/sync_timer.c58
-rw-r--r--tmk_core/common/sync_timer.h54
-rw-r--r--tmk_core/common/wait.h79
9 files changed, 354 insertions, 19 deletions
diff --git a/tmk_core/common/avr/bootloader.c b/tmk_core/common/avr/bootloader.c
index a1db55da93..4e3a27022d 100644
--- a/tmk_core/common/avr/bootloader.c
+++ b/tmk_core/common/avr/bootloader.c
@@ -77,7 +77,7 @@ uint32_t reset_key __attribute__((section(".noinit,\"aw\",@nobits;")));
*
* FIXME: needs doc
*/
-void bootloader_jump(void) {
+__attribute__((weak)) void bootloader_jump(void) {
#if !defined(BOOTLOADER_SIZE)
uint8_t high_fuse = boot_lock_fuse_bits_get(GET_HIGH_FUSE_BITS);
@@ -237,13 +237,13 @@ void bootloader_jump(void) {
"bootloader_startup_loop%=: \n\t"
"rjmp bootloader_startup_loop%= \n\t"
:
- : [mcucsrio] "I"(_SFR_IO_ADDR(MCUCSR)),
+ : [ mcucsrio ] "I"(_SFR_IO_ADDR(MCUCSR)),
# if (FLASHEND > 131071)
- [ramendhi] "M"(((RAMEND - 2) >> 8) & 0xff), [ramendlo] "M"(((RAMEND - 2) >> 0) & 0xff), [bootaddrhi] "M"((((FLASH_SIZE - BOOTLOADER_SIZE) >> 1) >> 16) & 0xff),
+ [ ramendhi ] "M"(((RAMEND - 2) >> 8) & 0xff), [ ramendlo ] "M"(((RAMEND - 2) >> 0) & 0xff), [ bootaddrhi ] "M"((((FLASH_SIZE - BOOTLOADER_SIZE) >> 1) >> 16) & 0xff),
# else
- [ramendhi] "M"(((RAMEND - 1) >> 8) & 0xff), [ramendlo] "M"(((RAMEND - 1) >> 0) & 0xff),
+ [ ramendhi ] "M"(((RAMEND - 1) >> 8) & 0xff), [ ramendlo ] "M"(((RAMEND - 1) >> 0) & 0xff),
# endif
- [bootaddrme] "M"((((FLASH_SIZE - BOOTLOADER_SIZE) >> 1) >> 8) & 0xff), [bootaddrlo] "M"((((FLASH_SIZE - BOOTLOADER_SIZE) >> 1) >> 0) & 0xff));
+ [ bootaddrme ] "M"((((FLASH_SIZE - BOOTLOADER_SIZE) >> 1) >> 8) & 0xff), [ bootaddrlo ] "M"((((FLASH_SIZE - BOOTLOADER_SIZE) >> 1) >> 0) & 0xff));
#else // Assume remaining boards are DFU, even if the flag isn't set
diff --git a/tmk_core/common/keyboard.c b/tmk_core/common/keyboard.c
index 8c7bdc8b55..0ca4546128 100644
--- a/tmk_core/common/keyboard.c
+++ b/tmk_core/common/keyboard.c
@@ -23,6 +23,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "led.h"
#include "keycode.h"
#include "timer.h"
+#include "sync_timer.h"
#include "print.h"
#include "debug.h"
#include "command.h"
@@ -96,6 +97,20 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
# include "dip_switch.h"
#endif
+static uint32_t last_input_modification_time = 0;
+uint32_t last_input_activity_time(void) { return last_input_modification_time; }
+uint32_t last_input_activity_elapsed(void) { return timer_elapsed32(last_input_modification_time); }
+
+static uint32_t last_matrix_modification_time = 0;
+uint32_t last_matrix_activity_time(void) { return last_matrix_modification_time; }
+uint32_t last_matrix_activity_elapsed(void) { return timer_elapsed32(last_matrix_modification_time); }
+void last_matrix_activity_trigger(void) { last_matrix_modification_time = last_input_modification_time = timer_read32(); }
+
+static uint32_t last_encoder_modification_time = 0;
+uint32_t last_encoder_activity_time(void) { return last_encoder_modification_time; }
+uint32_t last_encoder_activity_elapsed(void) { return timer_elapsed32(last_encoder_modification_time); }
+void last_encoder_activity_trigger(void) { last_encoder_modification_time = last_input_modification_time = timer_read32(); }
+
// Only enable this if console is enabled to print to
#if defined(DEBUG_MATRIX_SCAN_RATE) && defined(CONSOLE_ENABLE)
static uint32_t matrix_timer = 0;
@@ -255,6 +270,7 @@ __attribute__((weak)) void housekeeping_task_user(void) {}
*/
void keyboard_init(void) {
timer_init();
+ sync_timer_init();
matrix_init();
#ifdef VIA_ENABLE
via_init();
@@ -332,15 +348,15 @@ void keyboard_task(void) {
#ifdef QMK_KEYS_PER_SCAN
uint8_t keys_processed = 0;
#endif
+#ifdef ENCODER_ENABLE
+ bool encoders_changed = false;
+#endif
housekeeping_task_kb();
housekeeping_task_user();
-#if defined(OLED_DRIVER_ENABLE) && !defined(OLED_DISABLE_TIMEOUT)
- uint8_t ret = matrix_scan();
-#else
- matrix_scan();
-#endif
+ uint8_t matrix_changed = matrix_scan();
+ if (matrix_changed) last_matrix_activity_trigger();
if (should_process_keypress()) {
for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
@@ -396,7 +412,8 @@ MATRIX_LOOP_END:
#endif
#ifdef ENCODER_ENABLE
- encoder_read();
+ encoders_changed = encoder_read();
+ if (encoders_changed) last_encoder_activity_trigger();
#endif
#ifdef QWIIC_ENABLE
@@ -406,8 +423,12 @@ MATRIX_LOOP_END:
#ifdef OLED_DRIVER_ENABLE
oled_task();
# ifndef OLED_DISABLE_TIMEOUT
- // Wake up oled if user is using those fabulous keys!
- if (ret) oled_on();
+ // Wake up oled if user is using those fabulous keys or spinning those encoders!
+# ifdef ENCODER_ENABLE
+ if (matrix_changed || encoders_changed) oled_on();
+# else
+ if (matrix_changed) oled_on();
+# endif
# endif
#endif
diff --git a/tmk_core/common/keyboard.h b/tmk_core/common/keyboard.h
index d04e685cdb..88b3896e9e 100644
--- a/tmk_core/common/keyboard.h
+++ b/tmk_core/common/keyboard.h
@@ -73,6 +73,15 @@ void keyboard_post_init_user(void);
void housekeeping_task_kb(void);
void housekeeping_task_user(void);
+uint32_t last_input_activity_time(void); // Timestamp of the last matrix or encoder activity
+uint32_t last_input_activity_elapsed(void); // Number of milliseconds since the last matrix or encoder activity
+
+uint32_t last_matrix_activity_time(void); // Timestamp of the last matrix activity
+uint32_t last_matrix_activity_elapsed(void); // Number of milliseconds since the last matrix activity
+
+uint32_t last_encoder_activity_time(void); // Timestamp of the last encoder activity
+uint32_t last_encoder_activity_elapsed(void); // Number of milliseconds since the last encoder activity
+
#ifdef __cplusplus
}
#endif
diff --git a/tmk_core/common/matrix.h b/tmk_core/common/matrix.h
index b570227a31..ce57010a47 100644
--- a/tmk_core/common/matrix.h
+++ b/tmk_core/common/matrix.h
@@ -55,6 +55,9 @@ matrix_row_t matrix_get_row(uint8_t row);
/* print matrix for debug */
void matrix_print(void);
/* delay between changing matrix pin state and reading values */
+void matrix_output_select_delay(void);
+void matrix_output_unselect_delay(void);
+/* only for backwards compatibility. delay between changing matrix pin state and reading values */
void matrix_io_delay(void);
/* power control */
diff --git a/tmk_core/common/mousekey.c b/tmk_core/common/mousekey.c
index ef18bcf1a8..6c9df67236 100644
--- a/tmk_core/common/mousekey.c
+++ b/tmk_core/common/mousekey.c
@@ -36,6 +36,9 @@ static void mousekey_debug(void);
static uint8_t mousekey_accel = 0;
static uint8_t mousekey_repeat = 0;
static uint8_t mousekey_wheel_repeat = 0;
+#ifdef MK_KINETIC_SPEED
+static uint16_t mouse_timer = 0;
+#endif
#ifndef MK_3_SPEED
@@ -43,7 +46,7 @@ static uint16_t last_timer_c = 0;
static uint16_t last_timer_w = 0;
/*
- * Mouse keys acceleration algorithm
+ * Mouse keys acceleration algorithm
* http://en.wikipedia.org/wiki/Mouse_keys
*
* speed = delta * max_speed * (repeat / time_to_max)**((1000+curve)/1000)
@@ -105,6 +108,65 @@ static uint8_t wheel_unit(void) {
}
# else /* #ifndef MK_COMBINED */
+# ifndef MK_KINETIC_SPEED
+
+/*
+ * Kinetic movement acceleration algorithm
+ *
+ * current speed = I + A * T/50 + A * 0.5 * T^2 | maximum B
+ *
+ * T: time since the mouse movement started
+ * E: mouse events per second (set through MOUSEKEY_INTERVAL, UHK sends 250, the
+ * pro micro on my Signum 3.0 sends only 125!)
+ * I: initial speed at time 0
+ * A: acceleration
+ * B: base mouse travel speed
+ */
+const uint16_t mk_accelerated_speed = MOUSEKEY_ACCELERATED_SPEED;
+const uint16_t mk_base_speed = MOUSEKEY_BASE_SPEED;
+const uint16_t mk_decelerated_speed = MOUSEKEY_DECELERATED_SPEED;
+const uint16_t mk_initial_speed = MOUSEKEY_INITIAL_SPEED;
+
+static uint8_t move_unit(void) {
+ float speed = mk_initial_speed;
+
+ if (mousekey_accel & ((1 << 0) | (1 << 2))) {
+ speed = mousekey_accel & (1 << 2) ? mk_accelerated_speed : mk_decelerated_speed;
+ } else if (mousekey_repeat && mouse_timer) {
+ const float time_elapsed = timer_elapsed(mouse_timer) / 50;
+ speed = mk_initial_speed + MOUSEKEY_MOVE_DELTA * time_elapsed + MOUSEKEY_MOVE_DELTA * 0.5 * time_elapsed * time_elapsed;
+
+ speed = speed > mk_base_speed ? mk_base_speed : speed;
+ }
+
+ /* convert speed to USB mouse speed 1 to 127 */
+ speed = (uint8_t)(speed / (1000.0f / mk_interval));
+ speed = speed < 1 ? 1 : speed;
+
+ return speed > MOUSEKEY_MOVE_MAX ? MOUSEKEY_MOVE_MAX : speed;
+}
+
+float mk_wheel_interval = 1000.0f / MOUSEKEY_WHEEL_INITIAL_MOVEMENTS;
+
+static uint8_t wheel_unit(void) {
+ float speed = MOUSEKEY_WHEEL_INITIAL_MOVEMENTS;
+
+ if (mousekey_accel & ((1 << 0) | (1 << 2))) {
+ speed = mousekey_accel & (1 << 2) ? MOUSEKEY_WHEEL_ACCELERATED_MOVEMENTS : MOUSEKEY_WHEEL_DECELERATED_MOVEMENTS;
+ } else if (mousekey_repeat && mouse_timer) {
+ if (mk_wheel_interval != MOUSEKEY_WHEEL_BASE_MOVEMENTS) {
+ const float time_elapsed = timer_elapsed(mouse_timer) / 50;
+ speed = MOUSEKEY_WHEEL_INITIAL_MOVEMENTS + 1 * time_elapsed + 1 * 0.5 * time_elapsed * time_elapsed;
+ }
+ speed = speed > MOUSEKEY_WHEEL_BASE_MOVEMENTS ? MOUSEKEY_WHEEL_BASE_MOVEMENTS : speed;
+ }
+
+ mk_wheel_interval = 1000.0f / speed;
+
+ return 1;
+}
+
+# else /* #ifndef MK_KINETIC_SPEED */
static uint8_t move_unit(void) {
uint16_t unit;
@@ -142,7 +204,8 @@ static uint8_t wheel_unit(void) {
return (unit > MOUSEKEY_WHEEL_MAX ? MOUSEKEY_WHEEL_MAX : (unit == 0 ? 1 : unit));
}
-# endif /* #ifndef MK_COMBINED */
+# endif /* #ifndef MK_KINETIC_SPEED */
+# endif /* #ifndef MK_COMBINED */
void mousekey_task(void) {
// report cursor and scroll movement independently
@@ -193,6 +256,12 @@ void mousekey_task(void) {
}
void mousekey_on(uint8_t code) {
+# ifdef MK_KINETIC_SPEED
+ if (mouse_timer == 0) {
+ mouse_timer = timer_read();
+ }
+# endif /* #ifdef MK_KINETIC_SPEED */
+
if (code == KC_MS_UP)
mouse_report.y = move_unit() * -1;
else if (code == KC_MS_DOWN)
@@ -260,7 +329,12 @@ void mousekey_off(uint8_t code) {
mousekey_accel &= ~(1 << 1);
else if (code == KC_MS_ACCEL2)
mousekey_accel &= ~(1 << 2);
- if (mouse_report.x == 0 && mouse_report.y == 0) mousekey_repeat = 0;
+ if (mouse_report.x == 0 && mouse_report.y == 0) {
+ mousekey_repeat = 0;
+# ifdef MK_KINETIC_SPEED
+ mouse_timer = 0;
+# endif /* #ifdef MK_KINETIC_SPEED */
+ }
if (mouse_report.v == 0 && mouse_report.h == 0) mousekey_wheel_repeat = 0;
}
diff --git a/tmk_core/common/mousekey.h b/tmk_core/common/mousekey.h
index 300d262f5d..52b8fe10e1 100644
--- a/tmk_core/common/mousekey.h
+++ b/tmk_core/common/mousekey.h
@@ -36,16 +36,28 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
# endif
# ifndef MOUSEKEY_MOVE_DELTA
-# define MOUSEKEY_MOVE_DELTA 5
+# ifndef MK_KINETIC_SPEED
+# define MOUSEKEY_MOVE_DELTA 5
+# else
+# define MOUSEKEY_MOVE_DELTA 25
+# endif
# endif
# ifndef MOUSEKEY_WHEEL_DELTA
# define MOUSEKEY_WHEEL_DELTA 1
# endif
# ifndef MOUSEKEY_DELAY
-# define MOUSEKEY_DELAY 300
+# ifndef MK_KINETIC_SPEED
+# define MOUSEKEY_DELAY 300
+# else
+# define MOUSEKEY_DELAY 8
+# endif
# endif
# ifndef MOUSEKEY_INTERVAL
-# define MOUSEKEY_INTERVAL 50
+# ifndef MK_KINETIC_SPEED
+# define MOUSEKEY_INTERVAL 50
+# else
+# define MOUSEKEY_INTERVAL 8
+# endif
# endif
# ifndef MOUSEKEY_MAX_SPEED
# define MOUSEKEY_MAX_SPEED 10
@@ -66,6 +78,31 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
# define MOUSEKEY_WHEEL_TIME_TO_MAX 40
# endif
+# ifndef MOUSEKEY_INITIAL_SPEED
+# define MOUSEKEY_INITIAL_SPEED 100
+# endif
+# ifndef MOUSEKEY_BASE_SPEED
+# define MOUSEKEY_BASE_SPEED 1000
+# endif
+# ifndef MOUSEKEY_DECELERATED_SPEED
+# define MOUSEKEY_DECELERATED_SPEED 400
+# endif
+# ifndef MOUSEKEY_ACCELERATED_SPEED
+# define MOUSEKEY_ACCELERATED_SPEED 3000
+# endif
+# ifndef MOUSEKEY_WHEEL_INITIAL_MOVEMENTS
+# define MOUSEKEY_WHEEL_INITIAL_MOVEMENTS 16
+# endif
+# ifndef MOUSEKEY_WHEEL_BASE_MOVEMENTS
+# define MOUSEKEY_WHEEL_BASE_MOVEMENTS 32
+# endif
+# ifndef MOUSEKEY_WHEEL_ACCELERATED_MOVEMENTS
+# define MOUSEKEY_WHEEL_ACCELERATED_MOVEMENTS 48
+# endif
+# ifndef MOUSEKEY_WHEEL_DECELERATED_MOVEMENTS
+# define MOUSEKEY_WHEEL_DECELERATED_MOVEMENTS 8
+# endif
+
#else /* #ifndef MK_3_SPEED */
# ifndef MK_C_OFFSET_UNMOD
diff --git a/tmk_core/common/sync_timer.c b/tmk_core/common/sync_timer.c
new file mode 100644
index 0000000000..de24b463b6
--- /dev/null
+++ b/tmk_core/common/sync_timer.c
@@ -0,0 +1,58 @@
+/*
+Copyright (C) 2020 Ryan Caltabiano <https://github.com/XScorpion2>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+If you happen to meet one of the copyright holders in a bar you are obligated
+to buy them one pint of beer.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#include "sync_timer.h"
+#include "keyboard.h"
+
+#if defined(SPLIT_KEYBOARD) && !defined(DISABLE_SYNC_TIMER)
+volatile int32_t sync_timer_ms;
+
+void sync_timer_init(void) { sync_timer_ms = 0; }
+
+void sync_timer_update(uint32_t time) {
+ if (is_keyboard_master()) return;
+ sync_timer_ms = time - timer_read32();
+}
+
+uint16_t sync_timer_read(void) {
+ if (is_keyboard_master()) return timer_read();
+ return sync_timer_read32();
+}
+
+uint32_t sync_timer_read32(void) {
+ if (is_keyboard_master()) return timer_read32();
+ return sync_timer_ms + timer_read32();
+}
+
+uint16_t sync_timer_elapsed(uint16_t last) {
+ if (is_keyboard_master()) return timer_elapsed(last);
+ return TIMER_DIFF_16(sync_timer_read(), last);
+}
+
+uint32_t sync_timer_elapsed32(uint32_t last) {
+ if (is_keyboard_master()) return timer_elapsed32(last);
+ return TIMER_DIFF_32(sync_timer_read32(), last);
+}
+#endif
diff --git a/tmk_core/common/sync_timer.h b/tmk_core/common/sync_timer.h
new file mode 100644
index 0000000000..9ddef45bb2
--- /dev/null
+++ b/tmk_core/common/sync_timer.h
@@ -0,0 +1,54 @@
+/*
+Copyright (C) 2020 Ryan Caltabiano <https://github.com/XScorpion2>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+If you happen to meet one of the copyright holders in a bar you are obligated
+to buy them one pint of beer.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#pragma once
+
+#include <stdint.h>
+#include "timer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(SPLIT_KEYBOARD) && !defined(DISABLE_SYNC_TIMER)
+void sync_timer_init(void);
+void sync_timer_update(uint32_t time);
+uint16_t sync_timer_read(void);
+uint32_t sync_timer_read32(void);
+uint16_t sync_timer_elapsed(uint16_t last);
+uint32_t sync_timer_elapsed32(uint32_t last);
+#else
+# define sync_timer_init()
+# define sync_timer_clear()
+# define sync_timer_update(t)
+# define sync_timer_read() timer_read()
+# define sync_timer_read32() timer_read32()
+# define sync_timer_elapsed(t) timer_elapsed(t)
+# define sync_timer_elapsed32(t) timer_elapsed32(t)
+#endif
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/tmk_core/common/wait.h b/tmk_core/common/wait.h
index 89128e9daf..28224fe3aa 100644
--- a/tmk_core/common/wait.h
+++ b/tmk_core/common/wait.h
@@ -6,10 +6,89 @@
extern "C" {
#endif
+#if defined(__ARMEL__) || defined(__ARMEB__)
+# ifndef __OPTIMIZE__
+# pragma message "Compiler optimizations disabled; wait_cpuclock() won't work as designed"
+# endif
+
+# define wait_cpuclock(x) wait_cpuclock_allnop(x)
+
+# define CLOCK_DELAY_NOP8 "nop\n\t nop\n\t nop\n\t nop\n\t nop\n\t nop\n\t nop\n\t nop\n\t"
+
+__attribute__((always_inline)) static inline void wait_cpuclock_allnop(unsigned int n) { /* n: 1..135 */
+ /* The argument n must be a constant expression.
+ * That way, compiler optimization will remove unnecessary code. */
+ if (n < 1) {
+ return;
+ }
+ if (n > 8) {
+ unsigned int n8 = n / 8;
+ n = n - n8 * 8;
+ switch (n8) {
+ case 16:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 15:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 14:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 13:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 12:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 11:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 10:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 9:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 8:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 7:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 6:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 5:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 4:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 3:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 2:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 1:
+ asm volatile(CLOCK_DELAY_NOP8::: "memory");
+ case 0:
+ break;
+ }
+ }
+ switch (n) {
+ case 8:
+ asm volatile("nop" ::: "memory");
+ case 7:
+ asm volatile("nop" ::: "memory");
+ case 6:
+ asm volatile("nop" ::: "memory");
+ case 5:
+ asm volatile("nop" ::: "memory");
+ case 4:
+ asm volatile("nop" ::: "memory");
+ case 3:
+ asm volatile("nop" ::: "memory");
+ case 2:
+ asm volatile("nop" ::: "memory");
+ case 1:
+ asm volatile("nop" ::: "memory");
+ case 0:
+ break;
+ }
+}
+#endif
+
#if defined(__AVR__)
# include <util/delay.h>
# define wait_ms(ms) _delay_ms(ms)
# define wait_us(us) _delay_us(us)
+# define wait_cpuclock(x) __builtin_avr_delay_cycles(x)
#elif defined PROTOCOL_CHIBIOS
# include <ch.h>
# define wait_ms(ms) \
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