diff options
| author | NIIBE Yutaka <gniibe@fsij.org> | 2013-08-21 11:17:11 +0900 |
|---|---|---|
| committer | NIIBE Yutaka <gniibe@fsij.org> | 2013-08-21 11:17:11 +0900 |
| commit | 32614537238ea442a62a4acc9ba2c9f36615288a (patch) | |
| tree | 3b21d771bc306b620001face31a679f1827e7c47 /example-cdc/usb-cdc.c | |
| parent | 102f30092baef5ff06458fd3afee7611e18d1211 (diff) | |
example update
Diffstat (limited to 'example-cdc/usb-cdc.c')
| -rw-r--r-- | example-cdc/usb-cdc.c | 60 |
1 files changed, 24 insertions, 36 deletions
diff --git a/example-cdc/usb-cdc.c b/example-cdc/usb-cdc.c index b44cb89..cd6e2d1 100644 --- a/example-cdc/usb-cdc.c +++ b/example-cdc/usb-cdc.c @@ -158,6 +158,7 @@ static const uint8_t vcom_string3[28] = { #define NUM_INTERFACES 2 uint32_t bDeviceState = UNCONNECTED; /* USB device status */ +uint8_t connected; void usb_cb_device_reset (void) @@ -179,11 +180,18 @@ void usb_cb_ctrl_write_finish (uint8_t req, uint8_t req_no, uint16_t value, uint16_t index, uint16_t len) { - (void)req; - (void)req_no; - (void)value; - (void)index; - (void)len; + uint8_t type_rcp = req & (REQUEST_TYPE|RECIPIENT); + + if (type_rcp == (CLASS_REQUEST | INTERFACE_RECIPIENT) + && index == 0 && USB_SETUP_SET (req) && len == 0 + && req_no == USB_CDC_REQ_SET_CONTROL_LINE_STATE) + { + /* Open/close the connection. */ + chopstx_mutex_lock (&usb_mtx); + connected = (value != 0)? 1 : 0; + chopstx_cond_signal (&cnd_usb); + chopstx_mutex_unlock (&usb_mtx); + } } struct line_coding @@ -192,7 +200,7 @@ struct line_coding uint8_t format; uint8_t paritytype; uint8_t datatype; -}; +} __attribute__((packed)); static struct line_coding line_coding = { 115200, /* baud rate: 115200 */ @@ -201,50 +209,30 @@ static struct line_coding line_coding = { 0x08 /* bits: 8 */ }; -uint8_t connected; static int -vcom_port_data_setup (uint8_t req, uint8_t req_no, uint16_t value) +vcom_port_data_setup (uint8_t req, uint8_t req_no, uint16_t value, uint16_t len) { + (void)value; if (USB_SETUP_GET (req)) { - if (req_no == USB_CDC_REQ_GET_LINE_CODING) + if (req_no == USB_CDC_REQ_GET_LINE_CODING + && len == sizeof (line_coding)) { - usb_lld_set_data_to_send (&line_coding, sizeof(line_coding)); + usb_lld_set_data_to_send (&line_coding, sizeof (line_coding)); return USB_SUCCESS; } } else /* USB_SETUP_SET (req) */ { - if (req_no == USB_CDC_REQ_SET_LINE_CODING) + if (req_no == USB_CDC_REQ_SET_LINE_CODING + && len == sizeof (line_coding)) { - usb_lld_set_data_to_recv (&line_coding, sizeof(line_coding)); + usb_lld_set_data_to_recv (&line_coding, sizeof (line_coding)); return USB_SUCCESS; } else if (req_no == USB_CDC_REQ_SET_CONTROL_LINE_STATE) - { - uint8_t connected_saved = connected; - - if (value != 0) - { - if (connected == 0) - /* It's Open call */ - connected++; - } - else - { - if (connected) - /* Close call */ - connected = 0; - } - - chopstx_mutex_lock (&usb_mtx); - if (connected != connected_saved) - chopstx_cond_signal (&cnd_usb); - chopstx_mutex_unlock (&usb_mtx); - - return USB_SUCCESS; - } + return USB_SUCCESS; } return USB_UNSUPPORT; @@ -259,7 +247,7 @@ usb_cb_setup (uint8_t req, uint8_t req_no, (void)len; if (type_rcp == (CLASS_REQUEST | INTERFACE_RECIPIENT)) if (index == 0) - return vcom_port_data_setup (req, req_no, value); + return vcom_port_data_setup (req, req_no, value, len); return USB_UNSUPPORT; } |