ceri clatworthy
ADC Niose test Connect four analog signals to your MBED. and then run the Windows app. The four traces are displayed on an oscilloscope like display. I have used a USB HID DEVICE link, so connections to D+, D- are required. The MBED code is otherwise quite basic, So you can modify it to your own test needs. Additionaly, there is a 16 bit count value, in my MBED code Mainly to test if MSB & LSB are correct.
Diff: HID/USBDevice_Types.h
- Revision:
- 0:cbe01b678bd4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/HID/USBDevice_Types.h Sat Nov 19 22:54:22 2011 +0000
@@ -0,0 +1,69 @@
+/* USBDevice_Types.h */
+/* USB Device type definitions, conversions and constants */
+/* Copyright (c) 2011 ARM Limited. All rights reserved. */
+
+#ifndef USBDEVICE_TYPES_H
+#define USBDEVICE_TYPES_H
+
+/* Standard requests */
+#define GET_STATUS (0)
+#define CLEAR_FEATURE (1)
+#define SET_FEATURE (3)
+#define SET_ADDRESS (5)
+#define GET_DESCRIPTOR (6)
+#define SET_DESCRIPTOR (7)
+#define GET_CONFIGURATION (8)
+#define SET_CONFIGURATION (9)
+#define GET_INTERFACE (10)
+#define SET_INTERFACE (11)
+
+/* bmRequestType.dataTransferDirection */
+#define HOST_TO_DEVICE (0)
+#define DEVICE_TO_HOST (1)
+
+/* bmRequestType.Type*/
+#define STANDARD_TYPE (0)
+#define CLASS_TYPE (1)
+#define VENDOR_TYPE (2)
+#define RESERVED_TYPE (3)
+
+/* bmRequestType.Recipient */
+#define DEVICE_RECIPIENT (0)
+#define INTERFACE_RECIPIENT (1)
+#define ENDPOINT_RECIPIENT (2)
+#define OTHER_RECIPIENT (3)
+
+/* Descriptors */
+#define DESCRIPTOR_TYPE(wValue) (wValue >> 8)
+#define DESCRIPTOR_INDEX(wValue) (wValue & 0xf)
+
+typedef struct {
+ struct {
+ uint8_t dataTransferDirection;
+ uint8_t Type;
+ uint8_t Recipient;
+ } bmRequestType;
+ uint8_t bRequest;
+ uint16_t wValue;
+ uint16_t wIndex;
+ uint16_t wLength;
+} SETUP_PACKET;
+
+typedef struct {
+ SETUP_PACKET setup;
+ uint8_t *ptr;
+ uint32_t remaining;
+ uint8_t direction;
+ bool zlp;
+ bool notify;
+} CONTROL_TRANSFER;
+
+typedef enum {ATTACHED, POWERED, DEFAULT, ADDRESS, CONFIGURED} DEVICE_STATE;
+
+typedef struct {
+ volatile DEVICE_STATE state;
+ uint8_t configuration;
+ bool suspended;
+} USB_DEVICE;
+
+#endif