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pulse_counter_ulp: Fix whitespace
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brisk
parent
bc8dd18bf5
commit
ad3b75601e
2 changed files with 118 additions and 118 deletions
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@ -31,161 +31,161 @@
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#include "soc/soc_ulp.h"
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#include "soc/sens_reg.h"
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/* Define variables, which go into .bss section (zero-initialized data) */
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.bss
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/* Next input signal edge expected: 0 (negative) or 1 (positive) */
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.global next_edge
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/* Define variables, which go into .bss section (zero-initialized data) */
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.bss
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/* Next input signal edge expected: 0 (negative) or 1 (positive) */
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.global next_edge
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next_edge:
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.long 0
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.long 0
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/* Counter started when signal value changes.
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Edge is "debounced" when the counter reaches zero. */
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.global debounce_counter
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/* Counter started when signal value changes.
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Edge is "debounced" when the counter reaches zero. */
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.global debounce_counter
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debounce_counter:
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.long 0
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.long 0
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/* Value to which debounce_counter gets reset.
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Set by the main program. */
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.global debounce_max_count
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/* Value to which debounce_counter gets reset.
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Set by the main program. */
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.global debounce_max_count
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debounce_max_count:
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.long 0
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.long 0
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/* Number of rising signal edges acquired since last read */
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.global rising_edge_count
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/* Number of rising signal edges acquired since last read */
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.global rising_edge_count
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rising_edge_count:
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.long 0
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.long 0
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/* Number of falling signal edges acquired since last read */
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.global falling_edge_count
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/* Number of falling signal edges acquired since last read */
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.global falling_edge_count
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falling_edge_count:
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.long 0
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.long 0
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/* Number of times program run since last read */
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.global run_count
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/* Number of times program run since last read */
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.global run_count
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run_count:
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.long 0
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.long 0
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/* Total number of signal edges acquired */
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.global edge_count_total
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/* Total number of signal edges acquired */
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.global edge_count_total
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edge_count_total:
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.long 0
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.long 0
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/* RTC IO number used to sample the input signal.
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Set by main program. */
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.global io_number
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/* RTC IO number used to sample the input signal.
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Set by main program. */
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.global io_number
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io_number:
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.long 0
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.long 0
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/* Estimate of how long each execution of the ULP program takes. Managed
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* entirely by main program, it is only defined here to survive deep sleep */
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.global mean_exec_time
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/* Estimate of how long each execution of the ULP program takes. Managed
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* entirely by main program, it is only defined here to survive deep sleep */
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.global mean_exec_time
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mean_exec_time:
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.long 0
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.long 0
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/* Code goes into .text section */
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.text
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.global entry
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/* Code goes into .text section */
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.text
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.global entry
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entry:
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/* Increment run_count */
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move r3, run_count
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ld r2, r3, 0
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add r2, r2, 1
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st r2, r3, 0
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/* Increment run_count */
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move r3, run_count
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ld r2, r3, 0
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add r2, r2, 1
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st r2, r3, 0
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/* Load io_number */
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move r3, io_number
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ld r3, r3, 0
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/* Load io_number */
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move r3, io_number
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ld r3, r3, 0
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#if CONFIG_IDF_TARGET_ESP32S2
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/* ESP32S2 powers down RTC periph when entering deep sleep and thus by association SENS_SAR_IO_MUX_CONF_REG */
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WRITE_RTC_FIELD(SENS_SAR_IO_MUX_CONF_REG, SENS_IOMUX_CLK_GATE_EN, 1)
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WRITE_RTC_FIELD(SENS_SAR_IO_MUX_CONF_REG, SENS_IOMUX_CLK_GATE_EN, 1)
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#elif CONFIG_IDF_TARGET_ESP32S3
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/* ESP32S3 powers down RTC periph when entering deep sleep and thus by association SENS_SAR_PERI_CLK_GATE_CONF_REG */
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WRITE_RTC_FIELD(SENS_SAR_PERI_CLK_GATE_CONF_REG, SENS_IOMUX_CLK_EN, 1);
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#endif
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/* Lower 16 IOs and higher need to be handled separately,
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* because r0-r3 registers are 16 bit wide.
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* Check which IO this is.
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*/
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move r0, r3
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jumpr read_io_high, 16, ge
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/* Lower 16 IOs and higher need to be handled separately,
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* because r0-r3 registers are 16 bit wide.
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* Check which IO this is.
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*/
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move r0, r3
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jumpr read_io_high, 16, ge
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/* Read the value of lower 16 RTC IOs into R0 */
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READ_RTC_REG(RTC_GPIO_IN_REG, RTC_GPIO_IN_NEXT_S, 16)
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rsh r0, r0, r3
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jump read_done
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/* Read the value of lower 16 RTC IOs into R0 */
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READ_RTC_REG(RTC_GPIO_IN_REG, RTC_GPIO_IN_NEXT_S, 16)
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rsh r0, r0, r3
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jump read_done
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/* Read the value of RTC IOs 16-17, into R0 */
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/* Read the value of RTC IOs 16-17, into R0 */
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read_io_high:
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READ_RTC_REG(RTC_GPIO_IN_REG, RTC_GPIO_IN_NEXT_S + 16, 2)
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sub r3, r3, 16
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rsh r0, r0, r3
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READ_RTC_REG(RTC_GPIO_IN_REG, RTC_GPIO_IN_NEXT_S + 16, 2)
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sub r3, r3, 16
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rsh r0, r0, r3
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read_done:
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and r0, r0, 1
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/* State of input changed? */
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move r3, next_edge
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ld r3, r3, 0
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add r3, r0, r3
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and r3, r3, 1
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jump changed, eq
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/* Not changed */
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/* Reset debounce_counter to debounce_max_count */
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move r3, debounce_max_count
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move r2, debounce_counter
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ld r3, r3, 0
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st r3, r2, 0
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/* End program */
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halt
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and r0, r0, 1
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/* State of input changed? */
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move r3, next_edge
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ld r3, r3, 0
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add r3, r0, r3
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and r3, r3, 1
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jump changed, eq
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/* Not changed */
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/* Reset debounce_counter to debounce_max_count */
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move r3, debounce_max_count
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move r2, debounce_counter
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ld r3, r3, 0
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st r3, r2, 0
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/* End program */
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halt
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.global changed
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.global changed
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changed:
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/* Input state changed */
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/* Has debounce_counter reached zero? */
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move r3, debounce_counter
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ld r2, r3, 0
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add r2, r2, 0 /* dummy ADD to use "jump if ALU result is zero" */
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jump edge_detected, eq
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/* Not yet. Decrement debounce_counter */
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sub r2, r2, 1
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st r2, r3, 0
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/* End program */
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halt
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/* Input state changed */
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/* Has debounce_counter reached zero? */
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move r3, debounce_counter
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ld r2, r3, 0
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add r2, r2, 0 /* dummy ADD to use "jump if ALU result is zero" */
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jump edge_detected, eq
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/* Not yet. Decrement debounce_counter */
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sub r2, r2, 1
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st r2, r3, 0
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/* End program */
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halt
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.global edge_detected
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.global edge_detected
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edge_detected:
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/* Reset debounce_counter to debounce_max_count */
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move r3, debounce_max_count
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move r2, debounce_counter
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ld r3, r3, 0
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st r3, r2, 0
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/* Flip next_edge */
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move r3, next_edge
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ld r2, r3, 0
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add r2, r2, 1
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and r2, r2, 1
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st r2, r3, 0
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/* Jump to increment of current edge counter */
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add r2, r2, 0 /* dummy ADD to use "jump if ALU result is zero" */
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jump rising, eq
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/* Reset debounce_counter to debounce_max_count */
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move r3, debounce_max_count
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move r2, debounce_counter
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ld r3, r3, 0
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st r3, r2, 0
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/* Flip next_edge */
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move r3, next_edge
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ld r2, r3, 0
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add r2, r2, 1
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and r2, r2, 1
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st r2, r3, 0
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/* Jump to increment of current edge counter */
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add r2, r2, 0 /* dummy ADD to use "jump if ALU result is zero" */
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jump rising, eq
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.global falling
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.global falling
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falling:
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/* Increment falling_edge_count */
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move r3, falling_edge_count
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ld r2, r3, 0
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add r2, r2, 1
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st r2, r3, 0
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/* End program */
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halt
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/* Increment falling_edge_count */
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move r3, falling_edge_count
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ld r2, r3, 0
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add r2, r2, 1
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st r2, r3, 0
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/* End program */
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halt
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.global rising
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.global rising
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rising:
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/* Increment rising_edge_count */
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move r3, rising_edge_count
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ld r2, r3, 0
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add r2, r2, 1
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st r2, r3, 0
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/* End program */
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halt
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/* Increment rising_edge_count */
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move r3, rising_edge_count
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ld r2, r3, 0
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add r2, r2, 1
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st r2, r3, 0
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/* End program */
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halt
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