Skip to content

drivers: gpio: Add SDL simulated GPIO support #50080

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 4 commits into from
Oct 3, 2022
+261 −3
Merged

drivers: gpio: Add SDL simulated GPIO support #50080

Changes from 1 commit
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
7d67130
drivers: gpio: pca953x: select I2C
pdgendt Sep 14, 2022
57d2614
drivers: gpio: Add SDL emulated GPIO support
pdgendt Sep 9, 2022
14d1753
samples: subsys: display: lvgl: Add button to reset counter
pdgendt Sep 13, 2022
380bfc0
samples: subsys: display: lvgl: Add native_posix overlay for SDL input
pdgendt Sep 13, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
51 changes: 49 additions & 2 deletions samples/subsys/display/lvgl/src/main.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,9 @@
*/

#include <zephyr/device.h>
#include <zephyr/devicetree.h>
#include <zephyr/drivers/display.h>
#include <zephyr/drivers/gpio.h>
#include <lvgl.h>
#include <stdio.h>
#include <string.h>
Expand All @@ -15,9 +17,28 @@
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(app);

static uint32_t count;

#ifdef CONFIG_GPIO
static struct gpio_dt_spec button_gpio = GPIO_DT_SPEC_GET_OR(
DT_ALIAS(sw0), gpios, {0});
static struct gpio_callback button_callback;

static void button_isr_callback(const struct device *port,
struct gpio_callback *cb,
uint32_t pins)
{
ARG_UNUSED(port);
ARG_UNUSED(cb);
ARG_UNUSED(pins);

count = 0;
}
#endif

void main(void)
{
uint32_t count = 0U;
int err;
char count_str[11] = {0};
const struct device *display_dev;
lv_obj_t *hello_world_label;
Expand All @@ -29,6 +50,32 @@ void main(void)
return;
}

#ifdef CONFIG_GPIO
if (device_is_ready(button_gpio.port)) {
err = gpio_pin_configure_dt(&button_gpio, GPIO_INPUT);
if (err) {
LOG_ERR("failed to configure button gpio: %d", err);
return;
}

gpio_init_callback(&button_callback, button_isr_callback,
BIT(button_gpio.pin));

err = gpio_add_callback(button_gpio.port, &button_callback);
if (err) {
LOG_ERR("failed to add button callback: %d", err);
return;
}

err = gpio_pin_interrupt_configure_dt(&button_gpio,
GPIO_INT_EDGE_TO_ACTIVE);
if (err) {
LOG_ERR("failed to enable button callback: %d", err);
return;
}
}
#endif

if (IS_ENABLED(CONFIG_LV_Z_POINTER_KSCAN)) {
lv_obj_t *hello_world_button;

Expand All @@ -54,7 +101,7 @@ void main(void)
lv_label_set_text(count_label, count_str);
}
lv_task_handler();
k_sleep(K_MSEC(10));
++count;
k_sleep(K_MSEC(10));
}
}