Diff: LPC4088-USBHost/USBHost/BaseUsbHostCtlEp.cpp

Revision:

0:11152e69fc05

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LPC4088-USBHost/USBHost/BaseUsbHostCtlEp.cpp	Tue Apr 22 10:54:52 2014 +0000
@@ -0,0 +1,107 @@
+// BaseUsbHostCtlEp.cpp 2014/4/21
+#include "USBHost.h"
+#define USB_DEBUG
+#include "BaseUsbHostDebug.h"
+#define TEST
+#include "BaseUsbHostTest.h"
+
+static uint8_t device_addr = 1;
+ControlEp::ControlEp(int lowSpeed):USBEndpoint(0, 0, 8, lowSpeed) {
+    setType(CONTROL_ENDPOINT);
+    USB_TYPE r = open(device_addr);
+    if (r == USB_TYPE_OK) {
+        device_addr++;
+    }
+}
+
+USB_TYPE ControlEp::SetAddress(int addr)
+{
+    return controlSend(0x00, 5, addr);
+}
+
+USB_TYPE ControlEp::GetDescriptor(int descType, int descIndex, uint8_t* data, int length)
+{
+    return controlReceive(0x80, 6, (descType<<8)|descIndex, 0, data, length);
+}
+
+USB_TYPE ControlEp::SetConfiguration(int config)
+{
+    return controlSend(0x00, 9, config);
+}
+
+USB_TYPE ControlEp::GetConfiguration(int *config)
+{
+    uint8_t buf[1];
+    USB_TYPE rc = controlReceive(0x80, 8, 0, 0, buf, 1);
+    *config = buf[0];
+    return rc;
+}
+
+USB_TYPE ControlEp::SetInterfaceAlternate(int interface, int alternate)
+{
+    return controlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE, 
+                     SET_INTERFACE, alternate, interface, NULL, 0);
+}
+
+USB_TYPE ControlEp::GetInterface(int interface, int *alternate)
+{
+    uint8_t buf[1];
+    USB_TYPE rc = controlReceive(0x81, 10, 0, interface, buf, 1);
+    *alternate = buf[0];
+    return rc;
+}
+
+USB_TYPE ControlEp::GetStringDescriptor(char* s, int index)
+{
+    uint8_t buf[128];
+    USB_TYPE r = GetDescriptor(USB_DESCRIPTOR_TYPE_STRING, index, buf, sizeof(buf));
+    if (r != USB_TYPE_OK) {
+        return r;
+    }
+    DBG_HEX(buf, sizeof(buf));
+    StringDescriptor* desc = reinterpret_cast<StringDescriptor*>(buf);
+    if (desc->bLength <= 2 || desc->bDescriptorType != 3) {
+        return USB_TYPE_ERROR;
+    }
+    for(int i = 0; i < desc->bLength-2; i += 2) {
+        *s++ = desc->bString[i];
+    }
+    *s = '\0';
+    return USB_TYPE_OK;
+}
+
+USB_TYPE ControlEp::open(int addr)
+{
+    TEST_ASSERT(addr >= 1 && addr <= 127);
+    uint8_t buf[8];
+    USB_TYPE r = GetDescriptor(1, 0, buf, 8);
+    if (r != USB_TYPE_OK) {
+        return r;
+    }
+    TEST_ASSERT(buf[0] == 0x12);
+    TEST_ASSERT(buf[1] == 0x01);
+    TEST_ASSERT(buf[7] >= 8);
+    update_MaxPacketSize(buf[7]);
+    r = SetAddress(addr);    
+    TEST_ASSERT(r == USB_TYPE_OK);
+    if (r != USB_TYPE_OK) {
+        return r;
+    }
+    wait_ms(2);
+    update_FunctionAddress(addr);
+    return USB_TYPE_OK;
+}
+
+USB_TYPE ControlEp::controlReceive(uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex,
+                     uint8_t* data, int length)
+{
+    return host->controlRead(this, bmRequestType, bRequest, wValue, wIndex, data, length);
+}
+
+USB_TYPE ControlEp::controlSend(uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex,
+                     const uint8_t* data, int length)
+{
+    return host->controlWrite(this, bmRequestType, bRequest, wValue, wIndex, (uint8_t*)data, length);
+}
+
+