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-rw-r--r--app/cdcacm.c232
1 files changed, 117 insertions, 115 deletions
diff --git a/app/cdcacm.c b/app/cdcacm.c
index 930d5ec..05f12b9 100644
--- a/app/cdcacm.c
+++ b/app/cdcacm.c
@@ -2,154 +2,156 @@
static const struct usb_endpoint_descriptor comm_endp[] = {
{
- .bLength = USB_DT_ENDPOINT_SIZE,
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = 0x83,
- .bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
- .wMaxPacketSize = 16,
- .bInterval = 255,
- }
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 0x83,
+ .bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
+ .wMaxPacketSize = 16,
+ .bInterval = 255,
+ }
};
static const struct usb_endpoint_descriptor data_endp[] = {
{
- .bLength = USB_DT_ENDPOINT_SIZE,
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = 0x01,
- .bmAttributes = USB_ENDPOINT_ATTR_BULK,
- .wMaxPacketSize = 64,
- .bInterval = 1,
- },
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 0x01,
+ .bmAttributes = USB_ENDPOINT_ATTR_BULK,
+ .wMaxPacketSize = 64,
+ .bInterval = 1,
+ },
{
- .bLength = USB_DT_ENDPOINT_SIZE,
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = 0x82,
- .bmAttributes = USB_ENDPOINT_ATTR_BULK,
- .wMaxPacketSize = 64,
- .bInterval = 1,
- }
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+ .bEndpointAddress = 0x82,
+ .bmAttributes = USB_ENDPOINT_ATTR_BULK,
+ .wMaxPacketSize = 64,
+ .bInterval = 1,
+ }
};
-static const struct {
+static const struct
+{
struct usb_cdc_header_descriptor header;
struct usb_cdc_call_management_descriptor call_mgmt;
struct usb_cdc_acm_descriptor acm;
struct usb_cdc_union_descriptor cdc_union;
-} __attribute__((packed)) cdcacm_functional_descriptors = {
- .header = {
- .bFunctionLength = sizeof(struct usb_cdc_header_descriptor),
- .bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_CDC_TYPE_HEADER,
- .bcdCDC = 0x0110,
- },
- .call_mgmt = {
- .bFunctionLength =
- sizeof(struct usb_cdc_call_management_descriptor),
- .bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_CDC_TYPE_CALL_MANAGEMENT,
- .bmCapabilities = 0,
- .bDataInterface = 1,
- },
- .acm = {
- .bFunctionLength = sizeof(struct usb_cdc_acm_descriptor),
- .bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_CDC_TYPE_ACM,
- .bmCapabilities = 0,
- },
- .cdc_union = {
- .bFunctionLength = sizeof(struct usb_cdc_union_descriptor),
- .bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_CDC_TYPE_UNION,
- .bControlInterface = 0,
- .bSubordinateInterface0 = 1,
- }
+} __attribute__ ((packed)) cdcacm_functional_descriptors =
+{
+ .header =
+ {
+ .bFunctionLength =
+ sizeof (struct usb_cdc_header_descriptor),.bDescriptorType =
+ CS_INTERFACE,.bDescriptorSubtype = USB_CDC_TYPE_HEADER,.bcdCDC =
+ 0x0110,},.call_mgmt =
+ {
+ .bFunctionLength =
+ sizeof (struct usb_cdc_call_management_descriptor),.bDescriptorType =
+ CS_INTERFACE,.bDescriptorSubtype =
+ USB_CDC_TYPE_CALL_MANAGEMENT,.bmCapabilities = 0,.bDataInterface =
+ 1,},.acm =
+ {
+ .bFunctionLength =
+ sizeof (struct usb_cdc_acm_descriptor),.bDescriptorType =
+ CS_INTERFACE,.bDescriptorSubtype = USB_CDC_TYPE_ACM,.bmCapabilities =
+ 0,},.cdc_union =
+ {
+ .bFunctionLength =
+ sizeof (struct usb_cdc_union_descriptor),.bDescriptorType =
+ CS_INTERFACE,.bDescriptorSubtype =
+ USB_CDC_TYPE_UNION,.bControlInterface = 0,.bSubordinateInterface0 = 1,}
};
const struct usb_interface_descriptor comm_iface[] = {
{
- .bLength = USB_DT_INTERFACE_SIZE,
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = 0,
- .bAlternateSetting = 0,
- .bNumEndpoints = 1,
- .bInterfaceClass = USB_CLASS_CDC,
- .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
- .bInterfaceProtocol = USB_CDC_PROTOCOL_AT,
- .iInterface = 0,
- .endpoint = comm_endp,
- .extra = &cdcacm_functional_descriptors,
- .extralen = sizeof(cdcacm_functional_descriptors)
- }
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 0,
+ .bAlternateSetting = 0,
+ .bNumEndpoints = 1,
+ .bInterfaceClass = USB_CLASS_CDC,
+ .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
+ .bInterfaceProtocol = USB_CDC_PROTOCOL_AT,
+ .iInterface = 0,
+ .endpoint = comm_endp,
+ .extra = &cdcacm_functional_descriptors,
+ .extralen = sizeof (cdcacm_functional_descriptors)}
};
const struct usb_interface_descriptor data_iface[] = {
{
- .bLength = USB_DT_INTERFACE_SIZE,
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = 1,
- .bAlternateSetting = 0,
- .bNumEndpoints = 2,
- .bInterfaceClass = USB_CLASS_DATA,
- .bInterfaceSubClass = 0,
- .bInterfaceProtocol = 0,
- .iInterface = 0,
- .endpoint = data_endp,
- }
+ .bLength = USB_DT_INTERFACE_SIZE,
+ .bDescriptorType = USB_DT_INTERFACE,
+ .bInterfaceNumber = 1,
+ .bAlternateSetting = 0,
+ .bNumEndpoints = 2,
+ .bInterfaceClass = USB_CLASS_DATA,
+ .bInterfaceSubClass = 0,
+ .bInterfaceProtocol = 0,
+ .iInterface = 0,
+ .endpoint = data_endp,
+ }
};
-int cdcacm_control_request(usbd_device *usbd_dev,
- struct usb_setup_data *req,
- uint8_t **buf,
- uint16_t *len,
- int (**complete)(usbd_device *usbd_dev,
- struct usb_setup_data *req))
+int
+cdcacm_control_request (usbd_device * usbd_dev,
+ struct usb_setup_data *req,
+ uint8_t ** buf,
+ uint16_t * len,
+ int (**complete) (usbd_device * usbd_dev,
+ struct usb_setup_data * req))
{
- (void)complete;
- (void)buf;
- (void)usbd_dev;
+ (void) complete;
+ (void) buf;
+ (void) usbd_dev;
- switch(req->bRequest) {
- case USB_CDC_REQ_SET_CONTROL_LINE_STATE: {
- /*
- * This Linux cdc_acm driver requires this to be implemented
- * even though it's optional in the CDC spec, and we don't
- * advertise it in the ACM functional descriptor.
- */
- char local_buf[10];
- struct usb_cdc_notification *notif = (void *)local_buf;
+ switch (req->bRequest)
+ {
+ case USB_CDC_REQ_SET_CONTROL_LINE_STATE:
+ {
+ /*
+ * This Linux cdc_acm driver requires this to be implemented
+ * even though it's optional in the CDC spec, and we don't
+ * advertise it in the ACM functional descriptor.
+ */
+ char local_buf[10];
+ struct usb_cdc_notification *notif = (void *) local_buf;
- /* We echo signals back to host as notification. */
- notif->bmRequestType = 0xA1;
- notif->bNotification = USB_CDC_NOTIFY_SERIAL_STATE;
- notif->wValue = 0;
- notif->wIndex = 0;
- notif->wLength = 2;
- local_buf[8] = req->wValue & 3;
- local_buf[9] = 0;
- // usbd_ep_write_packet(0x83, buf, 10);
- return 1;
- }
- case USB_CDC_REQ_SET_LINE_CODING:
- if(*len < sizeof(struct usb_cdc_line_coding)) {
- return 0;
+ /* We echo signals back to host as notification. */
+ notif->bmRequestType = 0xA1;
+ notif->bNotification = USB_CDC_NOTIFY_SERIAL_STATE;
+ notif->wValue = 0;
+ notif->wIndex = 0;
+ notif->wLength = 2;
+ local_buf[8] = req->wValue & 3;
+ local_buf[9] = 0;
+ // usbd_ep_write_packet(0x83, buf, 10);
+ return 1;
+ }
+ case USB_CDC_REQ_SET_LINE_CODING:
+ if (*len < sizeof (struct usb_cdc_line_coding))
+ {
+ return 0;
+ }
+ return 1;
}
- return 1;
- }
return 0;
}
-void cdcacm_data_tx(void *buf,size_t len)
+void
+cdcacm_data_tx (void *buf, size_t len)
{
- usbd_ep_write_packet(usbd_dev, 0x82, buf, len);
+ usbd_ep_write_packet (usbd_dev, 0x82, buf, len);
}
-void cdcacm_data_rx_cb(usbd_device *usbd_dev, uint8_t ep)
+void
+cdcacm_data_rx_cb (usbd_device * usbd_dev, uint8_t ep)
{
- (void)ep;
+ (void) ep;
char buf[64];
- int len = usbd_ep_read_packet(usbd_dev, 0x01, buf, 64);
+ int len = usbd_ep_read_packet (usbd_dev, 0x01, buf, 64);
- if (len)
- usart2_tx(buf,len);
+ if (len)
+ usart2_tx (buf, len);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-13 12:08:30 +0000