From 8c7ee88332652e7e79f6c1e4baacabe2183f7e8e Mon Sep 17 00:00:00 2001
From: root <root@ka-ata-killa.ourano.james.local>
Date: Tue, 2 Mar 2021 12:54:03 +0000
Subject: working, with hybrid FLL/PLL, new refclk input and support for
 max7219 displays, neo 5 and neo 7 and a bazillion other fixes

---
 app/usb.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 48 insertions(+), 15 deletions(-)

(limited to 'app/usb.c')

diff --git a/app/usb.c b/app/usb.c
index 053f126..ea432ef 100644
--- a/app/usb.c
+++ b/app/usb.c
@@ -13,12 +13,12 @@ static const struct usb_device_descriptor dev = {
   .bLength = USB_DT_DEVICE_SIZE,
   .bDescriptorType = USB_DT_DEVICE,
   .bcdUSB = 0x0200,
-  .bDeviceClass = USB_CLASS_CDC,
-  .bDeviceSubClass = 0,
-  .bDeviceProtocol = 0,
+  .bDeviceClass = 0xef,
+  .bDeviceSubClass = 0x02,
+  .bDeviceProtocol = 0x01,
   .bMaxPacketSize0 = 64,
-  .idVendor = ID_VENDOR,
-  .idProduct = ID_PRODUCT,
+  .idVendor = 0x0483,
+  .idProduct = 0xff03,
   .bcdDevice = 0x0200,
   .iManufacturer = 1,
   .iProduct = 2,
@@ -30,15 +30,22 @@ static const struct usb_device_descriptor dev = {
 static const struct usb_interface ifaces[] = {
   {
     .num_altsetting = 1,
-    .altsetting = &comm_iface,
+    .altsetting = &dummy_kb_iface,
+    .iface_assoc = &dummy_kb_iface_assoc,
   },
   {
     .num_altsetting = 1,
-    .altsetting = &data_iface,
+    .altsetting = &dfu_iface,
+    .iface_assoc = &dfu_iface_assoc,
   },
   {
     .num_altsetting = 1,
-    .altsetting = &dfu_iface,
+    .altsetting = &comm_iface,
+    .iface_assoc = &cdc_iface_assoc,
+  },
+  {
+    .num_altsetting = 1,
+    .altsetting = &data_iface,
   },
 };
 
@@ -46,7 +53,7 @@ static const struct usb_config_descriptor config = {
   .bLength = USB_DT_CONFIGURATION_SIZE,
   .bDescriptorType = USB_DT_CONFIGURATION,
   .wTotalLength = 0,
-  .bNumInterfaces = 3,
+  .bNumInterfaces = 4,
   .bConfigurationValue = 1,
   .iConfiguration = 0,
   .bmAttributes = 0x80,
@@ -55,10 +62,12 @@ static const struct usb_config_descriptor config = {
 };
 
 static const char *usb_strings[] = {
-  VENDOR_NAME,
-  PRODUCT_NAME,
-  SERIAL_NUMBER,
-  "DFU",
+  VENDOR_NAME, /*1*/
+  PRODUCT_NAME, /*2*/
+  SERIAL_NUMBER, /*3*/
+  "dummy device", /*4*/
+  "Dfu iface", /*5*/
+  "Clock iface", /*6*/
 };
 
 void otg_fs_isr (void)
@@ -67,6 +76,30 @@ void otg_fs_isr (void)
 }
 
 
+static int control_request (usbd_device *usbd_dev,
+                            struct usb_setup_data *req,
+                            uint8_t **buf,
+                            uint16_t *len,
+                            usbd_control_complete_callback *complete)
+{
+  if (dfu_control_request (usbd_dev, req, buf, len, complete))
+    return 1;
+
+  return cdcacm_control_request (usbd_dev, req, buf, len, complete);
+}
+
+static void set_config (usbd_device *usbd_dev, uint16_t wValue)
+{
+
+  cdcacm_set_config (usbd_dev, wValue);
+
+  usbd_register_control_callback (usbd_dev,
+                                  USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
+                                  USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
+                                  control_request);
+
+}
+
 
 
 void  usb_init (void)
@@ -79,7 +112,7 @@ void  usb_init (void)
                           &dev,
                           &config,
                           usb_strings,
-                          4,
+                          6,
                           usbd_control_buffer,
                           sizeof (usbd_control_buffer));
 
@@ -89,7 +122,7 @@ void  usb_init (void)
   OTG_FS_GCCFG &= ~OTG_GCCFG_VBUSASEN;
   OTG_FS_GCCFG &= ~OTG_GCCFG_VBUSBSEN;
 
-  usbd_register_set_config_callback (usb_device, cdcacm_set_config);
+  usbd_register_set_config_callback (usb_device, set_config);
 
 
   nvic_enable_irq (NVIC_OTG_FS_IRQ);
-- 
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