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authorCristian Maglie <c.maglie@arduino.cc>2015-09-30 20:52:00 +0200
committerCristian Maglie <c.maglie@arduino.cc>2015-10-02 11:59:23 +0200
commitcabae13e55b8e6de88a3aee452a66a1e2a8c352b (patch)
treedd5bd4c74d1fe64b3ba1d5412c1d3edb2eba823e /cores
parente42d7d6221e175e087196f946ae139ca236f4e46 (diff)
[PUSB] Fixed the correct number of endpoints
Diffstat (limited to 'cores')
-rw-r--r--cores/arduino/PluggableUSB.cpp5
-rw-r--r--cores/arduino/USBCore.cpp17
-rw-r--r--cores/arduino/USBDesc.h5
3 files changed, 12 insertions, 15 deletions
diff --git a/cores/arduino/PluggableUSB.cpp b/cores/arduino/PluggableUSB.cpp
index 5a53eb1..50fd798 100644
--- a/cores/arduino/PluggableUSB.cpp
+++ b/cores/arduino/PluggableUSB.cpp
@@ -23,9 +23,6 @@
#if defined(USBCON)
#ifdef PLUGGABLE_USB_ENABLED
-// TODO: set correct value for different CPUs
-#define MAX_EP 6
-
extern uint8_t _initEndpoints[];
PluggableUSB_ PluggableUSB;
@@ -64,7 +61,7 @@ bool PluggableUSB_::setup(USBSetup& setup, uint8_t j)
bool PluggableUSB_::plug(PUSBListNode *node)
{
- if ((lastEp + node->numEndpoints) >= MAX_EP) {
+ if ((lastEp + node->numEndpoints) > USB_ENDPOINTS) {
return false;
}
diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp
index f96ff27..ebdce36 100644
--- a/cores/arduino/USBCore.cpp
+++ b/cores/arduino/USBCore.cpp
@@ -308,20 +308,15 @@ int USB_Send(u8 ep, const void* d, int len)
return r;
}
-u8 _initEndpoints[] =
+u8 _initEndpoints[USB_ENDPOINTS] =
{
- 0,
+ 0, // Control Endpoint
- EP_TYPE_INTERRUPT_IN, // CDC_ENDPOINT_ACM
- EP_TYPE_BULK_OUT, // CDC_ENDPOINT_OUT
- EP_TYPE_BULK_IN, // CDC_ENDPOINT_IN
+ EP_TYPE_INTERRUPT_IN, // CDC_ENDPOINT_ACM
+ EP_TYPE_BULK_OUT, // CDC_ENDPOINT_OUT
+ EP_TYPE_BULK_IN, // CDC_ENDPOINT_IN
-#ifdef PLUGGABLE_USB_ENABLED
- //allocate 3 endpoints and remove const so they can be changed by the user
- 0,
- 0,
- 0,
-#endif
+ // Following endpoints are automatically initialized to 0
};
#define EP_SINGLE_64 0x32 // EP0
diff --git a/cores/arduino/USBDesc.h b/cores/arduino/USBDesc.h
index 1962727..528a7fd 100644
--- a/cores/arduino/USBDesc.h
+++ b/cores/arduino/USBDesc.h
@@ -18,6 +18,11 @@
#define PLUGGABLE_USB_ENABLED
+#if defined(EPRST6)
+#define USB_ENDPOINTS 7 // AtMegaxxU4
+#else
+#define USB_ENDPOINTS 5 // AtMegaxxU2
+#endif
#define CDC_INTERFACE_COUNT 2
#define CDC_ENPOINT_COUNT 3