flipperzero-firmware/applications/gpio-tester/gpio-tester.c
あく d3ff787864
GUI: abolish API injection into instances. (#265)
* GUI: abolish API injection into instances. Update usage by 3rd party apps.
* GUI: update documentation. Cleanup api usage. Adjust status bar item spacing.
2020-12-14 13:50:32 +03:00

129 lines
3.8 KiB
C

#include "flipper_v2.h"
typedef struct {
const char* name;
GpioPin pin;
} GpioItem;
const GpioItem GPIO_PINS[] = {
{"1.2: PA7", {GPIOA, GPIO_PIN_7}},
{"1.3: PA6", {GPIOA, GPIO_PIN_6}},
{"1.4: PA5", {GPIOA, GPIO_PIN_5}},
{"1.5: PA4", {GPIOA, GPIO_PIN_4}},
{"1.6: PB2", {GPIOB, GPIO_PIN_2}},
{"1.7: PC3", {GPIOC, GPIO_PIN_3}},
{"2.7: PC1", {GPIOC, GPIO_PIN_1}},
{"2.8: PC0", {GPIOC, GPIO_PIN_0}},
};
typedef enum {
EventTypeTick,
EventTypeKey,
} EventType;
typedef struct {
union {
InputEvent input;
} value;
EventType type;
} AppEvent;
typedef struct {
uint8_t gpio_index;
} State;
static void render_callback(Canvas* canvas, void* ctx) {
State* state = (State*)acquire_mutex((ValueMutex*)ctx, 25);
canvas_clear(canvas);
canvas_set_color(canvas, ColorBlack);
canvas_set_font(canvas, FontPrimary);
canvas_draw_str(canvas, 2, 10, "GPIO demo");
canvas_set_font(canvas, FontSecondary);
canvas_draw_str(canvas, 2, 25, GPIO_PINS[state->gpio_index].name);
release_mutex((ValueMutex*)ctx, state);
}
static void input_callback(InputEvent* input_event, void* ctx) {
osMessageQueueId_t event_queue = (QueueHandle_t)ctx;
AppEvent event;
event.type = EventTypeKey;
event.value.input = *input_event;
osMessageQueuePut(event_queue, &event, 0, 0);
}
void app_gpio_test(void* p) {
osMessageQueueId_t event_queue = osMessageQueueNew(1, sizeof(AppEvent), NULL);
furi_check(event_queue);
State _state;
_state.gpio_index = 0;
ValueMutex state_mutex;
if(!init_mutex(&state_mutex, &_state, sizeof(State))) {
printf("[gpio-tester] cannot create mutex\n");
furiac_exit(NULL);
}
Widget* widget = widget_alloc();
widget_draw_callback_set(widget, render_callback, &state_mutex);
widget_input_callback_set(widget, input_callback, event_queue);
// Open GUI and register widget
Gui* gui = (Gui*)furi_open("gui");
if(gui == NULL) {
printf("[gpio-tester] gui is not available\n");
furiac_exit(NULL);
}
gui_add_widget(gui, widget, GuiLayerFullscreen);
// configure pin
for(uint8_t i = 0; i < sizeof(GPIO_PINS) / sizeof(GPIO_PINS[0]); i++) {
gpio_init((GpioPin*)&GPIO_PINS[i].pin, GpioModeOutputPushPull);
}
gpio_init((GpioPin*)&led_gpio[1], GpioModeOutputOpenDrain);
AppEvent event;
while(1) {
osStatus_t event_status = osMessageQueueGet(event_queue, &event, NULL, 150);
State* state = (State*)acquire_mutex_block(&state_mutex);
if(event_status == osOK) {
if(event.type == EventTypeKey) {
if(event.value.input.state && event.value.input.input == InputBack) {
printf("[gpio-tester] bye!\n");
// TODO remove all widgets create by app
widget_enabled_set(widget, false);
furiac_exit(NULL);
}
if(event.value.input.state && event.value.input.input == InputRight) {
if(state->gpio_index < (sizeof(GPIO_PINS) / sizeof(GPIO_PINS[0]) - 1)) {
state->gpio_index++;
}
}
if(event.value.input.state && event.value.input.input == InputLeft) {
if(state->gpio_index > 0) {
state->gpio_index--;
}
}
if(event.value.input.input == InputOk) {
gpio_write(
(GpioPin*)&GPIO_PINS[state->gpio_index].pin, event.value.input.state);
gpio_write((GpioPin*)&led_gpio[1], !event.value.input.state);
}
}
}
release_mutex(&state_mutex, state);
widget_update(widget);
}
}