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lwbtn/examples/test.c
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#include <stdio.h>
#include <stdlib.h>
#include "test.h"
#if defined(WIN32)
#include "windows.h"
#endif /* defined(WIN32) */
#if defined(STM32)
#include "main.h"
#include "stm32l0xx_hal.h"
#endif /* defined(STM32) */
/**
* \brief Input state information
*/
typedef struct {
uint8_t state; /*!< Input state -> 1 = active, 0 = inactive */
uint32_t duration; /*!< Time until this state is enabled */
const char* text; /*!< Text to print. If non-NULL, text is printed and the rest is ignored */
uint8_t text_printed;
} btn_test_time_t;
/**
* \brief Event sequence
*/
typedef struct {
lwbtn_evt_t evt; /*!< Event type */
uint8_t keepalive_cnt; /*!< Number of keep alive events while button is active */
uint8_t conseq_clicks; /*!< Number of consecutive clicks detected */
} btn_test_evt_t;
/* Max number of ms to demonstrate */
#define MAX_TIME_MS 0xFFFF
/* Tests to run */
#define TEST1 1
#define TEST2 1
#define TEST3 1
#define TEST4 1
#define TEST5 1
#define TEST6 1
#define TEST7 1
/* List of used buttons -> test case */
static lwbtn_btn_t btns[1];
static volatile uint32_t time_current;
static volatile uint8_t is_pressed = 0, is_click = 0;
/* Set button state -> used for test purposes */
#define BTN_STATE(_state_, _duration_) {.state = (_state_), .duration = (_duration_)}
#define BTN_PRINT(text_to_print) {.text = (text_to_print)}
/* On-Press event */
#define BTN_EVENT_ONPRESS() {.evt = LWBTN_EVT_ONPRESS}
/* On-Release event */
#define BTN_EVENT_ONRELEASE() {.evt = LWBTN_EVT_ONRELEASE}
/* On-Click event */
#define BTN_EVENT_ONCLICK(_conseq_clicks_) {.evt = LWBTN_EVT_ONCLICK, .conseq_clicks = (_conseq_clicks_)}
/* On-Click event */
#define BTN_EVENT_KEEPALIVE(_keepalive_cnt_) {.evt = LWBTN_EVT_KEEPALIVE, .keepalive_cnt = (_keepalive_cnt_)}
/*
* Simulate click event
*/
static btn_test_time_t test_sequence[] = {
/* Button state must start with 0 */
BTN_STATE(0, 1),
#if TEST1
/*
* Test 1:
*
* Step 1:
* Go to active state and stay there for a period
* of minimum debounce time and minimum
* time input must be active to later detect click event
*
* Step 2:
* Go low and stay inactive until time to report click has elapsed.
* Include debounce timing for release event.
*
* Add +1 to the end, to force click event,
* and not to go to "consecutive clicks" if any further tests are added in this sequence
*/
BTN_PRINT("Test 1"),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MULTI_MAX + 1),
BTN_STATE(0, 100), /* Keep low before next test */
#endif
#if TEST2
/*
* Test 2:
*
* Repeat above steps, this time w/o +1 at the end.
*
* Simulate "2" consecutive clicks and report final "click" event at the end of the sequence,
* with "2" consecutive clicks in the report info
*/
BTN_PRINT("Test 2"),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MAX),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MULTI_MAX + 1),
BTN_STATE(0, 100), /* Keep low before next test */
#endif
#if TEST3
/*
* Test 3:
*
* Triple click with direct report
*/
BTN_PRINT("Test 3"),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MAX),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MAX),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MAX),
BTN_STATE(0, 100), /* Keep low before next test */
#endif
#if TEST4
/*
* Test 4:
*
* Repeat above steps, this time w/o +1 at the end.
*
* Simulate "2" consecutive clicks and report final "click" event at the end of the sequence,
* with "2" consecutive clicks in the report info
*/
BTN_PRINT("Test 4"),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
/* Hold button in release state for time that is max for 2 clicks - time that we will
indicate in the next press state -> this is the frequency between detected events */
BTN_STATE(0, LWBTN_CFG_TIME_CLICK_MULTI_MAX
/* Decrease by active time in next step */
- (LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN) - 1),
/* Active time */
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MULTI_MAX + 1),
BTN_STATE(0, 100), /* Keep low before next test */
#endif
#if TEST5
/*
* Test 5:
*
* This test shows how to handle case when 2 clicks are being executed,
* but time between 2 release events is larger than maximum
* allowed time for consecutive clicks.
*
* In this case, 2 onclick events are sent,
* both with consecutive clicks counter set to 1
*/
BTN_PRINT("Test 5"),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MULTI_MAX
- (LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN)),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MULTI_MAX + 1),
BTN_STATE(0, 100), /* Keep low before next test */
#endif
#if TEST6
/*
* Test 6:
*
* Make a click event, followed by the longer press.
* Simulate "long press" w/ previous click, that has click counter set to 1
*/
BTN_PRINT("Test 6"),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MAX),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN + 1000),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MAX),
#endif
#if TEST7
/* This one will pass only if LWBTN_CFG_CLICK_CONSECUTIVE_KEEP_AFTER_SHORT_PRESS is enabled */
/* Make 2 clicks, and 3rd one with short press (shorter than minimum required) */
BTN_PRINT("Test 7"),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MAX),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE + LWBTN_CFG_TIME_CLICK_MAX),
BTN_STATE(1, LWBTN_CFG_TIME_DEBOUNCE_PRESS + LWBTN_CFG_TIME_CLICK_MIN - 2),
BTN_STATE(0, LWBTN_CFG_TIME_DEBOUNCE_RELEASE),
#endif
};
/* List of expected test events during different input states and their timings */
static const btn_test_evt_t test_events[] = {
#if TEST1
/* Test 1 */
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
BTN_EVENT_ONCLICK(1),
#endif /* TEST1 */
#if TEST2
/* Test 2 */
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
BTN_EVENT_ONCLICK(2),
#endif /* TEST2 */
#if TEST3
/* Test 3 */
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
BTN_EVENT_ONCLICK(3),
#endif /* TEST3 */
#if TEST4
/* Test 4 */
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
BTN_EVENT_ONCLICK(2),
#endif /* TEST4 */
#if TEST5
/* Test 5 */
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
/* This one is to handle click for first sequence */
BTN_EVENT_ONCLICK(1),
/* This one is to handle click for second sequence */
BTN_EVENT_ONCLICK(1),
#endif /* TEST5 */
#if TEST6
/* Test 6 */
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
BTN_EVENT_ONPRESS(),
BTN_EVENT_KEEPALIVE(1),
BTN_EVENT_KEEPALIVE(2),
BTN_EVENT_KEEPALIVE(3),
BTN_EVENT_KEEPALIVE(4),
BTN_EVENT_KEEPALIVE(5),
BTN_EVENT_KEEPALIVE(6),
BTN_EVENT_KEEPALIVE(7),
BTN_EVENT_KEEPALIVE(8),
BTN_EVENT_KEEPALIVE(9),
BTN_EVENT_KEEPALIVE(10),
BTN_EVENT_ONRELEASE(),
#endif /* TEST6 */
#if TEST7
/* Test 7 */
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
/* This one is short... */
BTN_EVENT_ONPRESS(),
BTN_EVENT_ONRELEASE(),
#if LWBTN_CFG_CLICK_CONSECUTIVE_KEEP_AFTER_SHORT_PRESS
BTN_EVENT_ONCLICK(2),
#endif /* LWBTN_CFG_CLICK_CONSECUTIVE_KEEP_AFTER_SHORT_PRESS */
#endif /* TEST7 */
};
/* Get button state for given current time */
static uint8_t
prv_get_state_for_time(uint32_t time) {
uint8_t state = 0;
uint32_t duration = 0;
for (size_t i = 0; i < sizeof(test_sequence) / sizeof(test_sequence[0]); ++i) {
duration += test_sequence[i].duration; /* Advance time */
if (time <= duration) {
state = test_sequence[i].state;
if (i > 0 && test_sequence[i - 1].text != NULL && !test_sequence[i - 1].text_printed) {
printf("Text: %s\r\n", test_sequence[i - 1].text);
test_sequence[i - 1].text_printed = 1;
}
break;
}
}
return state;
}
/* Get button state */
static uint8_t
prv_btn_get_state(struct lwbtn* lw, struct lwbtn_btn* btn) {
uint8_t state = prv_get_state_for_time(time_current);
#if defined(STM32)
HAL_GPIO_WritePin(BTN_GPIO_Port, BTN_Pin, state ? GPIO_PIN_SET : GPIO_PIN_RESET);
#endif /* defined(STM32) */
(void)btn;
(void)lw;
return state;
}
/* Process button event */
static void
prv_btn_event(struct lwbtn* lw, struct lwbtn_btn* btn, lwbtn_evt_t evt) {
#if defined(WIN32)
const char* s;
uint32_t color, keepalive_cnt = 0, diff_time;
static uint32_t time_prev;
static uint32_t array_index = 0;
const btn_test_evt_t* test_evt_data = NULL;
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
/* Test errors variable */
uint32_t test_errors = 0;
if (array_index >= sizeof(test_events) / sizeof(test_events[0])) {
#if defined(WIN32)
SetConsoleTextAttribute(hConsole, FOREGROUND_RED);
printf("[%7u] ERROR! Array index is out of bounds!\r\n", (unsigned)time_current);
SetConsoleTextAttribute(hConsole, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
#endif /* defined(WIN32) */
} else {
test_evt_data = &test_events[array_index];
}
/* Handle timing */
diff_time = time_current - time_prev;
time_prev = time_current;
#if LWBTN_CFG_USE_KEEPALIVE
keepalive_cnt = btn->keepalive.cnt;
#endif
/* Event type must match */
test_errors += test_evt_data == NULL || test_evt_data->evt != evt;
/* Get event string */
if (0) {
#if LWBTN_CFG_USE_KEEPALIVE
} else if (evt == LWBTN_EVT_KEEPALIVE) {
s = "KEEPALIVE";
color = FOREGROUND_RED;
test_errors += test_evt_data == NULL || test_evt_data->keepalive_cnt != keepalive_cnt;
#endif /* LWBTN_CFG_USE_KEEPALIVE */
} else if (evt == LWBTN_EVT_ONPRESS) {
s = " ONPRESS";
color = FOREGROUND_GREEN;
is_pressed = 1;
} else if (evt == LWBTN_EVT_ONRELEASE) {
s = "ONRELEASE";
color = FOREGROUND_BLUE;
} else if (evt == LWBTN_EVT_ONCLICK) {
s = " ONCLICK";
color = FOREGROUND_RED | FOREGROUND_GREEN;
is_click = 1;
test_errors += test_evt_data == NULL || test_evt_data->conseq_clicks != btn->click.cnt;
} else {
s = " UNKNOWN";
color = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
}
SetConsoleTextAttribute(hConsole, color);
printf("[%7u][%6u] evt: %s, keep-alive cnt: %3u, click cnt: %3u\r\n", (unsigned)time_current, (unsigned)diff_time,
s, (unsigned)keepalive_cnt, (unsigned)btn->click.cnt);
if (test_errors > 0) {
printf("TEST FAILED...\r\n");
}
SetConsoleTextAttribute(hConsole, FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
++array_index; /* Go to next step in next event */
#else
/* Control GPIO pin in STM32 */
if (evt == LWBTN_EVT_ONPRESS) {
HAL_GPIO_WritePin(OUT_GPIO_Port, OUT_Pin, GPIO_PIN_SET);
} else if (evt == LWBTN_EVT_ONRELEASE) {
HAL_GPIO_WritePin(OUT_GPIO_Port, OUT_Pin, GPIO_PIN_RESET);
} else if (evt == LWBTN_EVT_ONCLICK) {
is_click = 1;
HAL_GPIO_WritePin(OUT_CLICK_GPIO_Port, OUT_CLICK_Pin, GPIO_PIN_SET);
}
#endif /* defined(WIN32) */
(void)lw;
}
#if defined(WIN32)
/**
* \brief Test function
*/
int
test_win32(void) {
printf("Test running\r\n");
/* Define buttons */
lwbtn_init_ex(NULL, btns, sizeof(btns) / sizeof(btns[0]), prv_btn_get_state, prv_btn_event);
/* Counter simulates ms tick */
for (size_t i = 0; i < MAX_TIME_MS; ++i) {
time_current = i; /* Set current time used in callback */
lwbtn_process(i); /* Now run processing */
}
return 0;
}
#endif /* defined(WIN32) */
#if defined(STM32)
int
test_stm32(void) {
uint32_t tick, tick_old = 0;
/* Define buttons */
lwbtn_init_ex(NULL, btns, sizeof(btns) / sizeof(btns[0]), prv_btn_get_state, prv_btn_event);
/* Counter simulates ms tick */
tick_old = 0;
for (size_t i = 0; i < MAX_TIME_MS; ++i) {
/* Wait for a tick to have real time data */
while ((tick = HAL_GetTick()) == tick_old) {}
tick_old = tick;
/* Reset from previous click event */
if (is_click) {
HAL_GPIO_WritePin(OUT_CLICK_GPIO_Port, OUT_CLICK_Pin, GPIO_PIN_RESET);
is_click = 0;
}
/* Set current tick time in ms */
time_current = i; /* Set current time used in callback */
lwbtn_process(i); /* Now run processing */
}
return 0;
}
#endif /* defined(STM32) */
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