diff options
Diffstat (limited to 'example-cdc')
| -rw-r--r-- | example-cdc/usb-cdc.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/example-cdc/usb-cdc.c b/example-cdc/usb-cdc.c index 310e454..52871c2 100644 --- a/example-cdc/usb-cdc.c +++ b/example-cdc/usb-cdc.c @@ -173,9 +173,17 @@ usb_cb_device_reset (void) /* Initialize Endpoint 0 */ usb_lld_setup_endpoint (ENDP0, EP_CONTROL, 0, ENDP0_RXADDR, ENDP0_TXADDR, 64); + + chopstx_mutex_lock (&usb_mtx); + connected = 0; + bDeviceState = ATTACHED; + chopstx_cond_signal (&cnd_usb); + chopstx_mutex_unlock (&usb_mtx); } +#define CDC_CTRL_DTR 0x0001 + void usb_cb_ctrl_write_finish (uint8_t req, uint8_t req_no, uint16_t value) { @@ -186,7 +194,7 @@ usb_cb_ctrl_write_finish (uint8_t req, uint8_t req_no, uint16_t value) { /* Open/close the connection. */ chopstx_mutex_lock (&usb_mtx); - connected = (value != 0)? 1 : 0; + connected = ((value & CDC_CTRL_DTR) != 0)? 1 : 0; chopstx_cond_signal (&cnd_usb); chopstx_mutex_unlock (&usb_mtx); } |