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webusb Always lit LED if connected

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This commit is contained in:
hathach 2019-07-26 11:43:34 +07:00
parent d2b60b6755
commit 4ed1a96311
1 changed files with 15 additions and 3 deletions
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18
examples/device/webusb/src/main.c
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@ -42,8 +42,11 @@
*/
enum {
BLINK_NOT_MOUNTED = 250,
BLINK_MOUNTED = 1000,
BLINK_SUSPENDED = 2500,
BLINK_MOUNTED = 1000,
BLINK_SUSPENDED = 2500,
BLINK_ALWAYS_ON = UINT32_MAX,
BLINK_ALWAYS_OFF = 0
};
static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
@ -153,9 +156,18 @@ bool tud_vendor_control_request_cb(uint8_t rhport, tusb_control_request_t const
case 0x22:
// Webserial simulate the CDC_REQUEST_SET_CONTROL_LINE_STATE (0x22) to
// connect and disconnect.
web_serial_connected = (request->wValue != 0);
// Always lit LED if connected
if ( web_serial_connected )
{
board_led_write(true);
blink_interval_ms = BLINK_ALWAYS_ON;
}else
{
blink_interval_ms = BLINK_MOUNTED;
}
// response with status OK
return tud_control_status(rhport, request);