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Fix bulk and interrupt buffer size definitions for usb-device-serial #9

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merged 1 commit into from
Apr 10, 2024
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Fix bulk and interrupt buffer size definitions for usb-device-serial #9

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11 changes: 6 additions & 5 deletions src/usb-device-serial.adb
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,8 @@ with USB.Logging.Device;

package body USB.Device.Serial is

Bulk_Buffer_Size : constant := 64;
Irq_Buffer_Size : constant := 64;
Bulk_Buffer_Size : constant := 64; -- Linux only supports up to 64 bytes

----------------
-- Initialize --
Expand All @@ -63,7 +64,7 @@ package body USB.Device.Serial is
end if;

This.Int_Buf := Dev.Request_Buffer ((This.Int_EP, EP_In),
Bulk_Buffer_Size);
Irq_Buffer_Size);
if This.Int_Buf = System.Null_Address then
return Not_Enough_EP_Buffer;
end if;
Expand Down Expand Up @@ -191,7 +192,7 @@ package body USB.Device.Serial is
USB_DESC_TYPE_ENDPOINT,
16#80# or UInt8 (This.Int_EP), -- In EP
3, -- Interrupt EP
16#40#, 0, -- TODO: Max packet size
Irq_Buffer_Size, 0,
16, -- Polling interval

-- CDC Control Interface --
Expand All @@ -210,15 +211,15 @@ package body USB.Device.Serial is
USB_DESC_TYPE_ENDPOINT,
UInt8 (This.Bulk_EP), -- Out EP
2, -- Bulk EP
16#40#, 0, -- TODO: Max packet size
Bulk_Buffer_Size, 0,
0, -- Polling interval

-- Endpoint Data in --
7,
USB_DESC_TYPE_ENDPOINT,
16#80# or UInt8 (This.Bulk_EP), -- In EP
2, -- Bulk EP
16#40#, 0, -- TODO: Max packet size
Bulk_Buffer_Size, 0,
0

);
Expand Down
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