302b35c2a0
* fix matrix_io_delay() timing in quantum/matrix.c * Updated comments explaining the need for matrix_io_delay() in quantum/matrix.c * fix matrix_io_delay() timing in quantum/split_common/matrix.c * Update quantum/matrix.c Co-authored-by: Ryan <fauxpark@gmail.com> * Update quantum/split_common/matrix.c Co-authored-by: Ryan <fauxpark@gmail.com> * Update quantum/matrix.c Co-authored-by: Ryan <fauxpark@gmail.com> * Update quantum/split_common/matrix.c Co-authored-by: Ryan <fauxpark@gmail.com> * add waitOutputPinValid() and wait_cpuclock() into quantum/quantum.h and tmk_core/common/wait.h * add matrix_output_select_delay() and matrix_output_unselect_delay() * fix quantum/matrix_common.c, tmk_core/common/matrix.h * fix tmk_core/common/wait.h * fix quantum/quantum.h, tmk_core/common/wait.h * waitOutputPinValid() rename to waitInputPinDelay() in quantum/quantum.h. * waitOutputPinValid() rename to waitInputPinDelay() in quantum/matrix_common.c * update tmk_core/common/wait.h * update comment in quantum/matrix.c, quantum/split_common/matrix.c * update quantum/quantum.h: Make more margin in the GPIO_INPUT_PIN_DELAY default value. Co-authored-by: Ryan <fauxpark@gmail.com>
94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
#pragma once
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#include <inttypes.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(__ARMEL__) || defined(__ARMEB__)
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# ifndef __OPTIMIZE__
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# pragma message "Compiler optimizations disabled; wait_cpuclock() won't work as designed"
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# endif
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# define wait_cpuclock(x) wait_cpuclock_allnop(x)
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# 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"
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__attribute__((always_inline))
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static inline void wait_cpuclock_allnop(unsigned int n) { /* n: 1..135 */
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/* The argument n must be a constant expression.
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* That way, compiler optimization will remove unnecessary code. */
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if (n < 1) { return; }
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if (n > 8) {
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unsigned int n8 = n/8;
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n = n - n8*8;
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switch (n8) {
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case 16: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 15: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 14: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 13: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 12: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 11: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 10: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 9: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 8: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 7: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 6: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 5: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 4: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 3: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 2: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 1: asm volatile (CLOCK_DELAY_NOP8::: "memory");
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case 0: break;
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}
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}
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switch (n) {
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case 8: asm volatile ("nop"::: "memory");
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case 7: asm volatile ("nop"::: "memory");
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case 6: asm volatile ("nop"::: "memory");
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case 5: asm volatile ("nop"::: "memory");
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case 4: asm volatile ("nop"::: "memory");
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case 3: asm volatile ("nop"::: "memory");
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case 2: asm volatile ("nop"::: "memory");
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case 1: asm volatile ("nop"::: "memory");
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case 0: break;
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}
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}
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#endif
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#if defined(__AVR__)
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# include <util/delay.h>
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# define wait_ms(ms) _delay_ms(ms)
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# define wait_us(us) _delay_us(us)
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# define wait_cpuclock(x) __builtin_avr_delay_cycles(x)
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#elif defined PROTOCOL_CHIBIOS
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# include <ch.h>
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# define wait_ms(ms) \
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do { \
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if (ms != 0) { \
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chThdSleepMilliseconds(ms); \
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} else { \
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chThdSleepMicroseconds(1); \
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} \
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} while (0)
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# define wait_us(us) \
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do { \
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if (us != 0) { \
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chThdSleepMicroseconds(us); \
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} else { \
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chThdSleepMicroseconds(1); \
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} \
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} while (0)
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#elif defined PROTOCOL_ARM_ATSAM
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# include "clks.h"
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# define wait_ms(ms) CLK_delay_ms(ms)
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# define wait_us(us) CLK_delay_us(us)
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#else // Unit tests
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void wait_ms(uint32_t ms);
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# define wait_us(us) wait_ms(us / 1000)
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#endif
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#ifdef __cplusplus
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}
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#endif
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