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samples: subsys: usb: hid-mouse: Activate pull on switch pin

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This commit would add the pull-up or pull-down on the switch pin and
makes it functional on the board where there is no external pull-up.

Signed-off-by: Radoslaw Koppel <radoslaw.koppel@nordicsemi.no>
This commit is contained in:
Radoslaw Koppel 2018-09-06 12:36:07 +02:00 committed by Anas Nashif
parent 1e31faad06
commit f9be2c563d
1 changed files with 12 additions and 3 deletions
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15
samples/subsys/usb/hid-mouse/src/main.c
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@ -15,7 +15,7 @@
#ifdef SW0_GPIO_NAME
#define SW0_GPIO_CONTROLLER SW0_GPIO_NAME
#else
#error SW0_GPIO_NAME or SW0_GPIO_CONTROLLER needs to be set in board.h
#error SW0_GPIO_NAME or SW0_GPIO_CONTROLLER needs to be set
#endif
#endif
#define PORT SW0_GPIO_CONTROLLER
@ -24,9 +24,17 @@
#ifdef SW0_GPIO_PIN
#define PIN SW0_GPIO_PIN
#else
#error SW0_GPIO_PIN needs to be set in board.h
#error SW0_GPIO_PIN needs to be set
#endif
/* The switch pin pull-up/down flags */
#ifdef SW0_GPIO_FLAGS
#define PIN_FLAGS SW0_GPIO_FLAGS
#else
#error SW0_GPIO_FLAGS needs to be set
#endif
static const u8_t hid_report_desc[] = {
HID_GI_USAGE_PAGE, USAGE_GEN_DESKTOP,
/* USAGE_PAGE (Generic Desktop) 05 01 */
@ -137,7 +145,8 @@ void main(void)
gpio_pin_configure(gpio, PIN,
GPIO_DIR_IN | GPIO_INT |
GPIO_INT_EDGE | GPIO_INT_DOUBLE_EDGE);
GPIO_INT_EDGE | GPIO_INT_DOUBLE_EDGE |
PIN_FLAGS);
gpio_pin_read(gpio, PIN, &def_val);
gpio_init_callback(&gpio_cb, button_pressed, BIT(PIN));