add coreid to hidd_init

temporarily implement hidd_init using dcd from lpc17xx
add more test for dcd lp176x
implement dcd_endpoint_configure

tinyusb/device/dcd_lpc175x_6x.c

@@ -53,6 +53,7 @@
 // MACRO CONSTANT TYPEDEF
 //--------------------------------------------------------------------+
 STATIC_ dcd_dma_descriptor_t* dcd_udca[32] ATTR_ALIGNED(128) TUSB_CFG_ATTR_USBRAM;
+STATIC_ dcd_dma_descriptor_t  dcd_dd[DCD_MAX_DD];
 
 //--------------------------------------------------------------------+
 // INTERNAL OBJECT & FUNCTION DECLARATION
@@ -71,7 +72,9 @@ static inline void sie_commamd_code (uint8_t phase, uint8_t code_data)
   LPC_USB->USBCmdCode = (phase << 8) | (code_data << 16);
 
   uint32_t const wait_flag = (phase == SIE_CMDPHASE_READ) ? DEV_INT_COMMAND_DATA_FULL_MASK : DEV_INT_COMMAND_CODE_EMPTY_MASK;
+#ifndef _TEST_
   while ((LPC_USB->USBDevIntSt & wait_flag) == 0); // TODO blocking forever potential
+#endif
   LPC_USB->USBDevIntClr = wait_flag;
 }
 
@@ -195,7 +198,10 @@ tusb_error_t dcd_init(void)
   // step 6 : set up control endpoint
   endpoint_set_max_packet_size(0, TUSB_CFG_DEVICE_CONTROL_PACKET_SIZE);
   endpoint_set_max_packet_size(1, TUSB_CFG_DEVICE_CONTROL_PACKET_SIZE);
+
+#ifndef _TEST_
 	while ((LPC_USB->USBDevIntSt & DEV_INT_ENDPOINT_REALIZED_MASK) == 0);
+#endif
 
 	// step 7 : slave mode set up
 	LPC_USB->USBEpIntEn   = (uint32_t) BIN8(11); // control endpoint cannot use DMA, non-control all use DMA
@@ -215,7 +221,7 @@ tusb_error_t dcd_init(void)
 
 	for (uint8_t index = 0; index < DCD_MAX_DD; index++)
 	{
-		dcd_udca[index] = 0;
+		dcd_udca[index] = dcd_dd + index;
 	}
 	LPC_USB->USBUDCAH    = (uint32_t) dcd_udca;
 	LPC_USB->USBDMAIntEn = (DMA_INT_END_OF_XFER_MASK | DMA_INT_NEW_DD_REQUEST_MASK | DMA_INT_ERROR_MASK );
@@ -227,8 +233,35 @@ tusb_error_t dcd_init(void)
   return TUSB_ERROR_NONE;
 }
 
+static inline uint8_t endpoint_address_to_physical_index(uint8_t ep_address) ATTR_ALWAYS_INLINE ATTR_CONST;
+static inline uint8_t endpoint_address_to_physical_index(uint8_t ep_address)
+{
+  return (ep_address << 1) + (ep_address & 0x80 ? 1 : 0 );
+}
+
 tusb_error_t dcd_endpoint_configure(uint8_t coreid, tusb_descriptor_endpoint_t const * p_endpoint_desc)
 {
+  uint8_t phy_ep = endpoint_address_to_physical_index( p_endpoint_desc->bEndpointAddress );
+
+  //------------- Realize Endpoint with Max Packet Size -------------//
+  LPC_USB->USBReEp |= BIT_(phy_ep);
+  endpoint_set_max_packet_size(phy_ep, p_endpoint_desc->wMaxPacketSize.size);
+
+#ifndef _TEST_
+	while ((LPC_USB->USBDevIntSt & DEV_INT_ENDPOINT_REALIZED_MASK) == 0) {} // TODO can be omitted
+#endif
+	LPC_USB->USBDevIntClr = DEV_INT_ENDPOINT_REALIZED_MASK;
+
+	//------------- DMA set up -------------//
+	memclr_(dcd_dd + phy_ep, sizeof(dcd_dma_descriptor_t));
+	dcd_dd[phy_ep].is_isochronous  = (p_endpoint_desc->bmAttributes.xfer == TUSB_XFER_ISOCHRONOUS) ? 1 : 0;
+	dcd_dd[phy_ep].max_packet_size = p_endpoint_desc->wMaxPacketSize.size;
+	dcd_dd[phy_ep].is_retired      = 1; // dd is not active at first
+
+	LPC_USB->USBEpDMAEn = BIT_(phy_ep);
+
+	sie_command_write(SIE_CMDCODE_ENDPOINT_SET_STATUS+phy_ep, 1, 0); // clear all endpoint status
+
   return TUSB_ERROR_NONE;
 }
 
@@ -276,6 +309,7 @@ tusb_error_t dcd_pipe_control_read(uint8_t coreid)
   return TUSB_ERROR_NONE;
 }
 
+// TODO inline function
 void dcd_pipe_control_write_zero_length(uint8_t coreid)
 {
   dcd_pipe_control_write(coreid, NULL, 0);

tinyusb/device/dcd_lpc175x_6x.h

@@ -59,7 +59,7 @@ typedef struct
 	uint32_t next;
 
 	//------------- Word 1 -------------//
-	uint16_t mode            : 2; // either normal or ATLE(auto length extraction)
+	uint16_t mode            : 2; // either 00 normal or 01 ATLE(auto length extraction)
 	uint16_t is_next_valid   : 1;
 	uint16_t                 : 1;
 	uint16_t is_isochronous  : 1; // is an iso endpoint
@@ -83,11 +83,12 @@ typedef struct
 //	uint32_t iso_packet_size_addr;		// iso only, can be omitted for non-iso
 } ATTR_ALIGNED(4) dcd_dma_descriptor_t;
 
-#define DCD_MAX_DD 10 // TODO scale with configure
-typedef struct {
-  dcd_dma_descriptor_t dd[DCD_MAX_DD];
+#define DCD_MAX_DD 32 // TODO scale with configure
 
-}dcd_data_t;
+//typedef struct {
+//  dcd_dma_descriptor_t dd[DCD_MAX_DD];
+//
+//}dcd_data_t;
 
 //--------------------------------------------------------------------+
 // Register Interface
@@ -188,6 +189,16 @@ enum {
   SIE_ENDPOINT_STATUS_BUFFER2_FULL_MASK       = BIT_(6)
 };
 
+//------------- DMA Descriptor Status -------------//
+enum {
+  DD_STATUS_NOT_SERVICED = 0,
+  DD_STATUS_BEING_SERVICED,
+  DD_STATUS_NORMAL,
+  DD_STATUS_DATA_UNDERUN, // short packet
+  DD_STATUS_DATA_OVERRUN,
+  DD_STATUS_SYSTEM_ERROR
+};
+
 #ifdef __cplusplus
  }
 #endif

tinyusb/device/usbd.c

@@ -158,11 +158,11 @@ tusb_error_t usbd_init (void)
 
   uint16_t length = 0;
   #if TUSB_CFG_DEVICE_HID_KEYBOARD
-  ASSERT_STATUS( hidd_init(&app_tusb_desc_configuration.keyboard_interface, &length) );
+  ASSERT_STATUS( hidd_init(0, &app_tusb_desc_configuration.keyboard_interface, &length) );
   #endif
 
-  #if TUSB_CFG_DEVICE_HID_MOUSE
-  ASSERT_STATUS( hidd_init(&app_tusb_desc_configuration.mouse_interface, &length) );
+  #if TUSB_CFG_DEVICE_HID_MOUSE && 0
+  ASSERT_STATUS( hidd_init(0, &app_tusb_desc_configuration.mouse_interface, &length) );
   #endif
 
   usbd_bus_reset(0);