STM32: allow high speed USB endpoints

Author: facchinm

drivers/include/drivers/USBCDC.h

@@ -33,6 +33,8 @@ class AsyncOp;
  * @{
  */
 
+#define CDC_MAX_PACKET_SIZE   64
+
 class USBCDC: public USBDevice {
 public:
 
@@ -219,13 +221,13 @@ class USBCDC: public USBDevice {
 
     OperationList<AsyncWrite> _tx_list;
     bool _tx_in_progress;
-    uint8_t _tx_buffer[64];
+    uint8_t _tx_buffer[CDC_MAX_PACKET_SIZE];
     uint8_t *_tx_buf;
     uint32_t _tx_size;
 
     OperationList<AsyncRead> _rx_list;
     bool _rx_in_progress;
-    uint8_t _rx_buffer[64];
+    uint8_t _rx_buffer[CDC_MAX_PACKET_SIZE];
     uint8_t *_rx_buf;
     uint32_t _rx_size;
 };

drivers/source/usb/USBCDC.cpp

@@ -34,8 +34,6 @@ static const uint8_t cdc_line_coding_default[7] = {0x80, 0x25, 0x00, 0x00, 0x00,
 #define CLS_DTR   (1 << 0)
 #define CLS_RTS   (1 << 1)
 
-#define CDC_MAX_PACKET_SIZE    64
-
 class USBCDC::AsyncWrite: public AsyncOp {
 public:
     AsyncWrite(USBCDC *serial, uint8_t *buf, uint32_t size):

targets/TARGET_STM/USBPhy_STM32.cpp

@@ -29,10 +29,21 @@
 #define IDX_TO_EP(idx)      (((idx) >> 1)|((idx) & 1) << 7)
 
 /* endpoint defines */
-#define NUM_ENDPOINTS           4
+
+#if (MBED_CONF_TARGET_USB_SPEED == USE_USB_OTG_HS)
+
+#define NUM_ENDPOINTS                6
+#define MAX_PACKET_SIZE_NON_ISO      512
+#define MAX_PACKET_SIZE_ISO          1023     // Spec can go up to 1023, only ram for this though
+
+#else
+
+#define NUM_ENDPOINTS                4
 #define MAX_PACKET_SIZE_NON_ISO      64
 #define MAX_PACKET_SIZE_ISO          (256 + 128)     // Spec can go up to 1023, only ram for this though
 
+#endif
+
 static const uint32_t tx_ep_sizes[NUM_ENDPOINTS] = {
     MAX_PACKET_SIZE_NON_ISO,
     MAX_PACKET_SIZE_NON_ISO,
@@ -333,8 +344,11 @@ void USBPhyHw::init(USBPhyEvents *events)
         total_bytes += fifo_size;
     }
 
+#if (MBED_CONF_TARGET_USB_SPEED != USE_USB_OTG_HS)
     /* 1.25 kbytes */
     MBED_ASSERT(total_bytes <= 1280);
+#endif
+
 #endif
 
     // Configure interrupt vector