Some keys work -- not clear what is going on.
This commit is contained in:
parent
81f0763b80
commit
e0c44391f7
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@ -27,36 +27,43 @@
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#include "driver/gpio.h"
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#include "driver/gpio.h"
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#define M_DEBUG printf
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#define MATRIX_PRESS_INDEX 0
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#define MATRIX_PRESS_INDEX 0
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#define MATRIX_RELEASE_INDEX 1
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#define MATRIX_RELEASE_INDEX 1
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#define MASK(x) (1 << MATRIX_##x##_INDEX)
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#define MATRIX_ALL 0x3
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#define MATRIX_ALL 0x3
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#define CALLBACK_COUNT 2
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#define CALLBACK_COUNT 2
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#define QUEUE_SIZE 8
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#define QUEUE_SIZE 8
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typedef struct {
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int32_t character; // 1 + character for press, -1 - character for release
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uint32_t time_us;
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} matrix_event_t;
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typedef struct {
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typedef struct {
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uint8_t column_count;
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uint8_t column_count;
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uint8_t row_count;
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uint8_t row_count;
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uint8_t *columns;
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uint8_t *columns;
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uint8_t *rows;
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uint8_t *rows;
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bool waiting_for_release;
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bool open;
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int character_ref;
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int character_ref;
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int callback[CALLBACK_COUNT];
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int callback[CALLBACK_COUNT];
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esp_timer_handle_t timer_handle;
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esp_timer_handle_t timer_handle;
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int8_t task_queued;
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int8_t task_queued;
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uint32_t read_offset; // Accessed by task
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uint32_t read_offset; // Accessed by task
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uint32_t write_offset; // Accessed by ISR
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uint32_t write_offset; // Accessed by ISR
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uint32_t last_press_change_time;
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uint8_t last_character;
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int tasknumber;
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matrix_event_t queue[QUEUE_SIZE];
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matrix_event_t queue[QUEUE_SIZE];
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void *callback_arg;
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void *callback_arg;
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} DATA;
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} DATA;
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static task_handle_t tasknumber;
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static task_handle_t tasknumber;
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static void lmatrix_timer_done(void *param);
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static void lmatrix_timer_done(void *param);
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static void lmatrix_check_timer(DATA *d, uint32_t time_us, bool dotimer);
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//
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//
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// Queue is empty if read == write.
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// Queue is empty if read == write.
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// However, we always want to keep the previous value
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// However, we always want to keep the previous value
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@ -67,10 +74,10 @@ static void lmatrix_check_timer(DATA *d, uint32_t time_us, bool dotimer);
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#define HAS_QUEUED_DATA(d) (d->read_offset < d->write_offset)
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#define HAS_QUEUED_DATA(d) (d->read_offset < d->write_offset)
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#define HAS_QUEUE_SPACE(d) (d->read_offset + QUEUE_SIZE - 1 > d->write_offset)
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#define HAS_QUEUE_SPACE(d) (d->read_offset + QUEUE_SIZE - 1 > d->write_offset)
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#define REPLACE_STATUS(d, x) \
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#define REPLACE_IT(d, x) \
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(d->queue[(d->write_offset - 1) & (QUEUE_SIZE - 1)] = \
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(d->queue[(d->write_offset - 1) & (QUEUE_SIZE - 1)] = \
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(matrix_event_t){(x), esp_timer_get_time()})
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(matrix_event_t){(x), esp_timer_get_time()})
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#define QUEUE_STATUS(d, x) \
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#define QUEUE_IT(d, x) \
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(d->queue[(d->write_offset++) & (QUEUE_SIZE - 1)] = \
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(d->queue[(d->write_offset++) & (QUEUE_SIZE - 1)] = \
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(matrix_event_t){(x), esp_timer_get_time()})
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(matrix_event_t){(x), esp_timer_get_time()})
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@ -80,19 +87,6 @@ static void lmatrix_check_timer(DATA *d, uint32_t time_us, bool dotimer);
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d->read_offset++; \
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d->read_offset++; \
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}
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}
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typedef struct matrix_driver_handle {
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int8_t phase_a_pin;
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int8_t phase_b_pin;
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int8_t press_pin;
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int8_t task_queued;
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uint32_t read_offset; // Accessed by task
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uint32_t write_offset; // Accessed by ISR
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uint32_t last_press_change_time;
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int tasknumber;
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matrix_event_t queue[QUEUE_SIZE];
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void *callback_arg;
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} *matrix_driver_handle_t;
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static void set_gpio_mode_input(int pin, gpio_int_type_t intr) {
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static void set_gpio_mode_input(int pin, gpio_int_type_t intr) {
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gpio_config_t config = {.pin_bit_mask = 1LL << pin,
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gpio_config_t config = {.pin_bit_mask = 1LL << pin,
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.mode = GPIO_MODE_INPUT,
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.mode = GPIO_MODE_INPUT,
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@ -105,7 +99,7 @@ static void set_gpio_mode_input(int pin, gpio_int_type_t intr) {
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static void set_gpio_mode_output(int pin) {
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static void set_gpio_mode_output(int pin) {
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gpio_config_t config = {.pin_bit_mask = 1LL << pin,
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gpio_config_t config = {.pin_bit_mask = 1LL << pin,
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.mode = GPIO_MODE_OUTPUT,
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.mode = GPIO_MODE_OUTPUT_OD,
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.pull_up_en = GPIO_PULLUP_DISABLE,
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.pull_up_en = GPIO_PULLUP_DISABLE,
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.pull_down_en = GPIO_PULLDOWN_DISABLE
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.pull_down_en = GPIO_PULLDOWN_DISABLE
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};
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};
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@ -113,24 +107,28 @@ static void set_gpio_mode_output(int pin) {
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gpio_config(&config);
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gpio_config(&config);
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}
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}
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static void matrix_clear_pin(int pin) {
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static void set_columns(DATA *d, int level) {
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if (pin >= 0) {
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gpio_isr_handler_remove(pin);
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set_gpio_mode_input(pin, GPIO_INTR_DISABLE);
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}
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}
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static void set_row_interrupts(DATA *d, bool enable)
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{
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for (int i = 0; i < d->row_count; i++) {
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set_gpio_mode_input(d->row[i], enable ? GPIO_INTR_NEGEDGE : GPIO_INTR_DISABLE);
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}
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}
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static int set_columns_as_input(DATA *d)
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{
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for (int i = 0; i < d->column_count; i++) {
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for (int i = 0; i < d->column_count; i++) {
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set_gpio_mode_input(d->column[i], GPIO_INTR_DISABLE);
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gpio_set_level(d->columns[i], level);
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}
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}
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static void initialize_pins(DATA *d) {
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for (int i = 0; i < d->column_count; i++) {
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set_gpio_mode_output(d->columns[i]);
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}
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set_columns(d, 0);
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for (int i = 0; i < d->row_count; i++) {
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set_gpio_mode_input(d->rows[i], d->waiting_for_release ? GPIO_INTR_POSEDGE
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: GPIO_INTR_NEGEDGE);
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}
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}
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static void disable_row_interrupts(DATA *d) {
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for (int i = 0; i < d->row_count; i++) {
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gpio_set_intr_type(d->rows[i], GPIO_INTR_DISABLE);
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}
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}
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}
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}
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@ -140,97 +138,90 @@ int matrix_close(DATA *d) {
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return 0;
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return 0;
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}
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}
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disable_row_interrupts(d);
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for (int i = 0; i < d->row_count; i++) {
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for (int i = 0; i < d->row_count; i++) {
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matrix_clear_pin(d->row[i]);
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gpio_isr_handler_remove(d->rows[i]);
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}
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}
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set_columns_as_input(d);
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for (int i = 0; i < d->column_count; i++) {
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set_gpio_mode_input(d->columns[i], GPIO_INTR_DISABLE);
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}
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return 0;
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return 0;
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}
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}
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// Character returned is 0 .. max if pressed. -1 if not.
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static int matrix_get_character(DATA *d, bool trace)
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{
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set_columns(d, 1);
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disable_row_interrupts(d);
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int character = -1;
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// We are either waiting for a negative edge (keypress) or a positive edge
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// (keyrelease)
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//M_DEBUG("matrix_get_character called\n");
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for (int i = 0; i < d->column_count && character < 0; i++) {
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gpio_set_level(d->columns[i], 0);
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for (int j = 0; j < d->row_count && character < 0; j++) {
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if (gpio_get_level(d->rows[j]) == 0) {
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if (trace) {
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M_DEBUG("Found keypress at %d %d\n", i, j);
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}
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// We found a keypress
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character = j * d->column_count + i;
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}
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}
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gpio_set_level(d->columns[i], 1);
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}
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//M_DEBUG("returning %d\n", character);
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return character;
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}
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static void matrix_queue_character(DATA *d, int character)
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{
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// If character is >= 0 then we have found the character -- so send it.
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// M_DEBUG("Skipping queuing\n");
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if (d->waiting_for_release == (character < 0)) {
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if (character >= 0) {
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character++;
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d->last_character = character;
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} else {
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character = -d->last_character;
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}
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if (HAS_QUEUE_SPACE(d)) {
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QUEUE_IT(d, character);
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if (!d->task_queued) {
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if (task_post_medium(tasknumber, (task_param_t)d)) {
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d->task_queued = 1;
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}
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}
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}
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}
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}
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static void matrix_interrupt(void *arg) {
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static void matrix_interrupt(void *arg) {
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// This function runs with high priority
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// This function runs with high priority
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DATA *d = (DATA *)arg;
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DATA *d = (DATA *)arg;
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uint32_t now = esp_timer_get_time();
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int character = matrix_get_character(d, false);
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int i;
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matrix_queue_character(d, character);
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set_columns_as_input(d);
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d->waiting_for_release = character >= 0;
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set_row_interrupts(d, false);
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esp_timer_start_once(d->timer_handle, 5000);
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int character = -1;
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for (int i = 0; i < d->column_count && character < 0; i++) {
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set_gpio_mode_output(d->columns[i]);
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gpio_set_level(d->columns[i], 0);
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for (int j = 0; i < d->row_count && character < 0; j++) {
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if (gpio_get_level(d->rows[j]) == 0) {
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// We found a keypress
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character = j * d->column_count + i;
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}
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}
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set_gpio_mode_input(d->columns[i], GPIO_INTR_DISABLE);
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}
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// If character is >= 0 then we have found the character -- so send it.
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if (last_status != new_status) {
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// Either we overwrite the status or we add a new one
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if (!HAS_QUEUED_DATA(d) || STATUS_IS_PRESSED(last_status ^ new_status) ||
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STATUS_IS_PRESSED(last_status ^ GET_PREV_STATUS(d).pos)) {
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if (HAS_QUEUE_SPACE(d)) {
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QUEUE_STATUS(d, new_status);
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if (!d->task_queued) {
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if (task_post_medium(d->tasknumber, (task_param_t)d->callback_arg)) {
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d->task_queued = 1;
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}
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}
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} else {
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REPLACE_STATUS(d, new_status);
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}
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} else {
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REPLACE_STATUS(d, new_status);
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}
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}
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}
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}
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void matrix_event_handled(matrix_driver_handle_t d) { d->task_queued = 0; }
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bool matrix_has_queued_event(DATA *d) {
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// The pin numbers are actual platform GPIO numbers
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matrix_driver_handle_t matrix_setup(int phase_a, int phase_b, int press,
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task_handle_t tasknumber, void *arg) {
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matrix_driver_handle_t d = (matrix_driver_handle_t)calloc(1, sizeof(*d));
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if (!d) {
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return NULL;
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}
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d->tasknumber = tasknumber;
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d->callback_arg = arg;
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set_gpio_mode(phase_a, GPIO_INTR_ANYEDGE);
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gpio_isr_handler_add(phase_a, matrix_interrupt, d);
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d->phase_a_pin = phase_a;
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set_gpio_mode(phase_b, GPIO_INTR_ANYEDGE);
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gpio_isr_handler_add(phase_b, matrix_interrupt, d);
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d->phase_b_pin = phase_b;
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if (press >= 0) {
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set_gpio_mode(press, GPIO_INTR_ANYEDGE);
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gpio_isr_handler_add(press, matrix_interrupt, d);
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}
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d->press_pin = press;
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return d;
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}
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bool matrix_has_queued_event(matrix_driver_handle_t d) {
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if (!d) {
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if (!d) {
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return false;
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return false;
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}
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}
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@ -239,7 +230,7 @@ bool matrix_has_queued_event(matrix_driver_handle_t d) {
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}
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}
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// Get the oldest event in the queue and remove it (if possible)
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// Get the oldest event in the queue and remove it (if possible)
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bool matrix_getevent(matrix_driver_handle_t d, matrix_event_t *resultp) {
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static bool matrix_getevent(DATA *d, matrix_event_t *resultp) {
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matrix_event_t result = {0};
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matrix_event_t result = {0};
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if (!d) {
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if (!d) {
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@ -261,14 +252,6 @@ bool matrix_getevent(matrix_driver_handle_t d, matrix_event_t *resultp) {
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return status;
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return status;
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}
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}
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int matrix_getpos(matrix_driver_handle_t d) {
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if (!d) {
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return -1;
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}
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return GET_LAST_STATUS(d).pos;
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}
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static void callback_free_one(lua_State *L, int *cb_ptr)
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static void callback_free_one(lua_State *L, int *cb_ptr)
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{
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{
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if (*cb_ptr != LUA_NOREF) {
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if (*cb_ptr != LUA_NOREF) {
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@ -338,11 +321,18 @@ static void callback_call(lua_State* L, DATA *d, int cbnum, int key, uint32_t ti
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}
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}
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}
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}
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static void getpins(lua_State *L, int argno, int count, uint8_t *dest)
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{
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for (int i = 1; i <= count; i++) {
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lua_rawgeti(L, argno, i);
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*dest++ = lua_tonumber(L, -1);
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lua_pop(L, 1);
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}
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}
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// Lua: setup({cols}, {rows}, {characters})
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// Lua: setup({cols}, {rows}, {characters})
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static int lmatrix_setup( lua_State* L )
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static int lmatrix_setup( lua_State* L )
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{
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{
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int nargs = lua_gettop(L);
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// Get the sizes of the first two tables
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// Get the sizes of the first two tables
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luaL_checktype(L, 1, LUA_TTABLE);
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luaL_checktype(L, 1, LUA_TTABLE);
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luaL_checktype(L, 2, LUA_TTABLE);
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luaL_checktype(L, 2, LUA_TTABLE);
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||||||
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@ -355,7 +345,6 @@ static int lmatrix_setup( lua_State* L )
|
||||||
return luaL_error(L, "Too many rows or columns");
|
return luaL_error(L, "Too many rows or columns");
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
DATA *d = (DATA *)lua_newuserdata(L, sizeof(DATA) + rows + columns);
|
DATA *d = (DATA *)lua_newuserdata(L, sizeof(DATA) + rows + columns);
|
||||||
if (!d) return luaL_error(L, "not enough memory");
|
if (!d) return luaL_error(L, "not enough memory");
|
||||||
memset(d, 0, sizeof(*d) + rows + columns);
|
memset(d, 0, sizeof(*d) + rows + columns);
|
||||||
|
@ -376,20 +365,21 @@ static int lmatrix_setup( lua_State* L )
|
||||||
|
|
||||||
esp_timer_create(&timer_args, &d->timer_handle);
|
esp_timer_create(&timer_args, &d->timer_handle);
|
||||||
|
|
||||||
int i;
|
for (int i = 0; i < CALLBACK_COUNT; i++) {
|
||||||
for (i = 0; i < CALLBACK_COUNT; i++) {
|
|
||||||
d->callback[i] = LUA_NOREF;
|
d->callback[i] = LUA_NOREF;
|
||||||
}
|
}
|
||||||
|
getpins(L, 1, columns, d->columns);
|
||||||
getpins(L, 1, columns, &d->columns);
|
getpins(L, 2, rows, d->rows);
|
||||||
getpins(L, 2, rows, &d->rows);
|
|
||||||
lua_pushvalue(L, 3);
|
lua_pushvalue(L, 3);
|
||||||
d->character_ref = luaL_ref(L, LUA_REGISTRYINDEX);
|
d->character_ref = luaL_ref(L, LUA_REGISTRYINDEX);
|
||||||
|
|
||||||
d->handle = matrix_setup(phase_a, phase_b, press, tasknumber, d);
|
d->open = true;
|
||||||
if (!d->handle) {
|
|
||||||
return luaL_error(L, "Unable to setup matrix switch.");
|
for (int i = 0; i < d->row_count; i++) {
|
||||||
|
gpio_isr_handler_add(d->rows[i], matrix_interrupt, d);
|
||||||
}
|
}
|
||||||
|
initialize_pins(d);
|
||||||
|
|
||||||
return 1;
|
return 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -398,14 +388,18 @@ static int lmatrix_close( lua_State* L )
|
||||||
{
|
{
|
||||||
DATA *d = (DATA *)luaL_checkudata(L, 1, "matrix.keyboard");
|
DATA *d = (DATA *)luaL_checkudata(L, 1, "matrix.keyboard");
|
||||||
|
|
||||||
if (d->handle) {
|
if (d->open) {
|
||||||
callback_free(L, d, MATRIX_ALL);
|
callback_free(L, d, MATRIX_ALL);
|
||||||
|
|
||||||
if (matrix_close( d->handle )) {
|
if (matrix_close( d )) {
|
||||||
return luaL_error( L, "Unable to close switch." );
|
return luaL_error( L, "Unable to close switch." );
|
||||||
}
|
}
|
||||||
|
|
||||||
d->handle = NULL;
|
esp_timer_stop(d->timer_handle);
|
||||||
|
esp_timer_delete(d->timer_handle);
|
||||||
|
luaL_unref(L, LUA_REGISTRYINDEX, d->character_ref);
|
||||||
|
|
||||||
|
d->open = false;
|
||||||
}
|
}
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
@ -436,50 +430,14 @@ static bool lmatrix_dequeue_single(lua_State* L, DATA *d)
|
||||||
if (d) {
|
if (d) {
|
||||||
matrix_event_t result;
|
matrix_event_t result;
|
||||||
|
|
||||||
if (matrix_getevent(d->handle, &result)) {
|
if (matrix_getevent(d, &result)) {
|
||||||
int pos = result.pos;
|
int character = result.character;
|
||||||
|
|
||||||
lmatrix_check_timer(d, result.time_us, 0);
|
callback_call(L, d, character > 0 ? MATRIX_PRESS_INDEX : MATRIX_RELEASE_INDEX, character < 0 ? -character : character, result.time_us);
|
||||||
|
|
||||||
if (pos != d->lastpos) {
|
d->task_queued = 0;
|
||||||
// We have something to enqueue
|
something_pending = matrix_has_queued_event(d);
|
||||||
if ((pos ^ d->lastpos) & 0x7fffffff) {
|
|
||||||
// Some turning has happened
|
|
||||||
callback_call(L, d, matrix_TURN_INDEX, (pos << 1) >> 1, result.time_us);
|
|
||||||
}
|
|
||||||
if ((pos ^ d->lastpos) & 0x80000000) {
|
|
||||||
// pressing or releasing has happened
|
|
||||||
callback_call(L, d, (pos & 0x80000000) ? matrix_PRESS_INDEX : matrix_RELEASE_INDEX, (pos << 1) >> 1, result.time_us);
|
|
||||||
if (pos & 0x80000000) {
|
|
||||||
// Press
|
|
||||||
if (d->last_recent_event_was_release && result.time_us - d->last_event_time < d->click_delay_us) {
|
|
||||||
d->possible_dbl_click = 1;
|
|
||||||
}
|
|
||||||
d->last_recent_event_was_press = 1;
|
|
||||||
d->last_recent_event_was_release = 0;
|
|
||||||
} else {
|
|
||||||
// Release
|
|
||||||
d->last_recent_event_was_press = 0;
|
|
||||||
if (d->possible_dbl_click) {
|
|
||||||
callback_call(L, d, matrix_DBLCLICK_INDEX, (pos << 1) >> 1, result.time_us);
|
|
||||||
d->possible_dbl_click = 0;
|
|
||||||
// Do this to suppress the CLICK event
|
|
||||||
d->last_recent_event_was_release = 0;
|
|
||||||
} else {
|
|
||||||
d->last_recent_event_was_release = 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
d->last_event_time = result.time_us;
|
|
||||||
}
|
|
||||||
|
|
||||||
d->lastpos = pos;
|
|
||||||
}
|
|
||||||
|
|
||||||
matrix_event_handled(d->handle);
|
|
||||||
something_pending = matrix_has_queued_event(d->handle);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
lmatrix_check_timer(d, esp_timer_get_time(), 1);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
return something_pending;
|
return something_pending;
|
||||||
|
@ -489,48 +447,30 @@ static void lmatrix_timer_done(void *param)
|
||||||
{
|
{
|
||||||
DATA *d = (DATA *) param;
|
DATA *d = (DATA *) param;
|
||||||
|
|
||||||
d->timer_running = 0;
|
// We need to see if the key is still pressed, and if so, enable rising edge interrupts
|
||||||
|
|
||||||
lmatrix_check_timer(d, esp_timer_get_time(), 1);
|
int character = matrix_get_character(d, true);
|
||||||
}
|
|
||||||
|
|
||||||
static void lmatrix_check_timer(DATA *d, uint32_t time_us, bool dotimer)
|
M_DEBUG("Timer fired with character %d (waiting for release %d)\n", character, d->waiting_for_release);
|
||||||
{
|
|
||||||
uint32_t delay = time_us - d->last_event_time;
|
matrix_queue_character(d, character);
|
||||||
if (d->timer_running) {
|
d->waiting_for_release = (character >= 0);
|
||||||
esp_timer_stop(d->timer_handle);
|
|
||||||
d->timer_running = 0;
|
M_DEBUG("Timer: Waiting for release is %d\n", d->waiting_for_release);
|
||||||
}
|
|
||||||
|
for (int i = 0; i < d->row_count; i++) {
|
||||||
int timeout = -1;
|
gpio_set_intr_type(d->rows[i], d->waiting_for_release ? GPIO_INTR_POSEDGE
|
||||||
|
: GPIO_INTR_NEGEDGE);
|
||||||
if (d->last_recent_event_was_press) {
|
|
||||||
if (delay > d->longpress_delay_us) {
|
|
||||||
callback_call(lua_getstate(), d, matrix_LONGPRESS_INDEX, (d->lastpos << 1) >> 1, d->last_event_time + d->longpress_delay_us);
|
|
||||||
d->last_recent_event_was_press = 0;
|
|
||||||
} else {
|
|
||||||
timeout = (d->longpress_delay_us - delay) / 1000;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (d->last_recent_event_was_release) {
|
|
||||||
if (delay > d->click_delay_us) {
|
|
||||||
callback_call(lua_getstate(), d, matrix_CLICK_INDEX, (d->lastpos << 1) >> 1, d->last_event_time + d->click_delay_us);
|
|
||||||
d->last_recent_event_was_release = 0;
|
|
||||||
} else {
|
|
||||||
timeout = (d->click_delay_us - delay) / 1000;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (dotimer && timeout >= 0) {
|
|
||||||
d->timer_running = 1;
|
|
||||||
esp_timer_start_once(d->timer_handle, timeout + 1);
|
|
||||||
}
|
}
|
||||||
|
set_columns(d, 0);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void lmatrix_task(task_param_t param, task_prio_t prio)
|
static void lmatrix_task(task_param_t param, task_prio_t prio)
|
||||||
{
|
{
|
||||||
(void) prio;
|
(void) prio;
|
||||||
|
|
||||||
|
M_DEBUG("Task invoked\n");
|
||||||
|
|
||||||
bool need_to_post = false;
|
bool need_to_post = false;
|
||||||
lua_State *L = lua_getstate();
|
lua_State *L = lua_getstate();
|
||||||
|
|
||||||
|
@ -545,6 +485,8 @@ static void lmatrix_task(task_param_t param, task_prio_t prio)
|
||||||
// If there is pending stuff, queue another task
|
// If there is pending stuff, queue another task
|
||||||
task_post_medium(tasknumber, param);
|
task_post_medium(tasknumber, param);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
M_DEBUG("Task done\n");
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
@ -571,4 +513,4 @@ static int matrix_open(lua_State *L) {
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
NODEMCU_MODULE(matrix, "matrix", matrix, matrix_open);
|
NODEMCU_MODULE(MATRIX, "matrix", matrix, matrix_open);
|
||||||
|
|
Loading…
Reference in New Issue