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/USBKeyboard.cpp
- Revision:
- 0:cbe01b678bd4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/HID/USBKeyboard.cpp Sat Nov 19 22:54:22 2011 +0000
@@ -0,0 +1,455 @@
+// USBKeyboard.c
+// USB device example: Standard keyboard
+// Copyright (c) 2011 ARM Limited. All rights reserved.
+
+#include "stdint.h"
+
+#include "USBKeyboard.h"
+
+#define REPORT_ID_KEYBOARD 1
+#define REPORT_ID_VOLUME 3
+
+/* Modifiers */
+enum MODIFIER_KEY
+{
+ KEY_CTRL = 1,
+ KEY_SHIFT = 2,
+ KEY_ALT = 4,
+};
+
+typedef struct {
+ unsigned char usage;
+ unsigned char modifier;
+} KEYMAP;
+
+#ifdef US_KEYBOARD
+/* US keyboard (as HID standard) */
+#define KEYMAP_SIZE (145)
+const KEYMAP keymap[KEYMAP_SIZE] = {
+{0, 0}, /* NUL */
+{0, 0}, /* SOH */
+{0, 0}, /* STX */
+{0, 0}, /* ETX */
+{0, 0}, /* EOT */
+{0, 0}, /* ENQ */
+{0, 0}, /* ACK */
+{0, 0}, /* BEL */
+{0x2a, 0}, /* BS */ /* Keyboard Delete (Backspace) */
+{0x2b, 0}, /* TAB */ /* Keyboard Tab */
+{0x28, 0}, /* LF */ /* Keyboard Return (Enter) */
+{0, 0}, /* VT */
+{0, 0}, /* FF */
+{0, 0}, /* CR */
+{0, 0}, /* SO */
+{0, 0}, /* SI */
+{0, 0}, /* DEL */
+{0, 0}, /* DC1 */
+{0, 0}, /* DC2 */
+{0, 0}, /* DC3 */
+{0, 0}, /* DC4 */
+{0, 0}, /* NAK */
+{0, 0}, /* SYN */
+{0, 0}, /* ETB */
+{0, 0}, /* CAN */
+{0, 0}, /* EM */
+{0, 0}, /* SUB */
+{0, 0}, /* ESC */
+{0, 0}, /* FS */
+{0, 0}, /* GS */
+{0, 0}, /* RS */
+{0, 0}, /* US */
+{0x2c, 0}, /* */
+{0x1e, KEY_SHIFT}, /* ! */
+{0x34, KEY_SHIFT}, /* " */
+{0x20, KEY_SHIFT}, /* # */
+{0x21, KEY_SHIFT}, /* $ */
+{0x22, KEY_SHIFT}, /* % */
+{0x24, KEY_SHIFT}, /* & */
+{0x34, 0}, /* ' */
+{0x26, KEY_SHIFT}, /* ( */
+{0x27, KEY_SHIFT}, /* ) */
+{0x25, KEY_SHIFT}, /* * */
+{0x2e, KEY_SHIFT}, /* + */
+{0x36, 0}, /* , */
+{0x2d, 0}, /* - */
+{0x37, 0}, /* . */
+{0x38, 0}, /* / */
+{0x27, 0}, /* 0 */
+{0x1e, 0}, /* 1 */
+{0x1f, 0}, /* 2 */
+{0x20, 0}, /* 3 */
+{0x21, 0}, /* 4 */
+{0x22, 0}, /* 5 */
+{0x23, 0}, /* 6 */
+{0x24, 0}, /* 7 */
+{0x25, 0}, /* 8 */
+{0x26, 0}, /* 9 */
+{0x33, KEY_SHIFT}, /* : */
+{0x33, 0}, /* ; */
+{0x36, KEY_SHIFT}, /* < */
+{0x2e, 0}, /* = */
+{0x37, KEY_SHIFT}, /* > */
+{0x38, KEY_SHIFT}, /* ? */
+{0x1f, KEY_SHIFT}, /* @ */
+{0x04, KEY_SHIFT}, /* A */
+{0x05, KEY_SHIFT}, /* B */
+{0x06, KEY_SHIFT}, /* C */
+{0x07, KEY_SHIFT}, /* D */
+{0x08, KEY_SHIFT}, /* E */
+{0x09, KEY_SHIFT}, /* F */
+{0x0a, KEY_SHIFT}, /* G */
+{0x0b, KEY_SHIFT}, /* H */
+{0x0c, KEY_SHIFT}, /* I */
+{0x0d, KEY_SHIFT}, /* J */
+{0x0e, KEY_SHIFT}, /* K */
+{0x0f, KEY_SHIFT}, /* L */
+{0x10, KEY_SHIFT}, /* M */
+{0x11, KEY_SHIFT}, /* N */
+{0x12, KEY_SHIFT}, /* O */
+{0x13, KEY_SHIFT}, /* P */
+{0x14, KEY_SHIFT}, /* Q */
+{0x15, KEY_SHIFT}, /* R */
+{0x16, KEY_SHIFT}, /* S */
+{0x17, KEY_SHIFT}, /* T */
+{0x18, KEY_SHIFT}, /* U */
+{0x19, KEY_SHIFT}, /* V */
+{0x1a, KEY_SHIFT}, /* W */
+{0x1b, KEY_SHIFT}, /* X */
+{0x1c, KEY_SHIFT}, /* Y */
+{0x1d, KEY_SHIFT}, /* Z */
+{0x2f, 0}, /* [ */
+{0x31, 0}, /* \ */
+{0x30, 0}, /* ] */
+{0x23, KEY_SHIFT}, /* ^ */
+{0x2d, KEY_SHIFT}, /* _ */
+{0x35, 0}, /* ` */
+{0x04, 0}, /* a */
+{0x05, 0}, /* b */
+{0x06, 0}, /* c */
+{0x07, 0}, /* d */
+{0x08, 0}, /* e */
+{0x09, 0}, /* f */
+{0x0a, 0}, /* g */
+{0x0b, 0}, /* h */
+{0x0c, 0}, /* i */
+{0x0d, 0}, /* j */
+{0x0e, 0}, /* k */
+{0x0f, 0}, /* l */
+{0x10, 0}, /* m */
+{0x11, 0}, /* n */
+{0x12, 0}, /* o */
+{0x13, 0}, /* p */
+{0x14, 0}, /* q */
+{0x15, 0}, /* r */
+{0x16, 0}, /* s */
+{0x17, 0}, /* t */
+{0x18, 0}, /* u */
+{0x19, 0}, /* v */
+{0x1a, 0}, /* w */
+{0x1b, 0}, /* x */
+{0x1c, 0}, /* y */
+{0x1d, 0}, /* z */
+{0x2f, KEY_SHIFT}, /* { */
+{0x31, KEY_SHIFT}, /* | */
+{0x30, KEY_SHIFT}, /* } */
+{0x35, KEY_SHIFT}, /* ~ */
+{0,0}, /* DEL */
+
+{0x3a, 0}, /* F1 */
+{0x3b, 0}, /* F2 */
+{0x3c, 0}, /* F3 */
+{0x3d, 0}, /* F4 */
+{0x3e, 0}, /* F5 */
+{0x3f, 0}, /* F6 */
+{0x40, 0}, /* F7 */
+{0x41, 0}, /* F8 */
+{0x42, 0}, /* F9 */
+{0x43, 0}, /* F10 */
+{0x44, 0}, /* F11 */
+{0x45, 0}, /* F12 */
+
+{0x46, 0}, /* PRINT_SCREEN */
+{0x49, 0}, /* INSERT */
+{0x4a, 0}, /* HOME */
+{0x4b, 0}, /* PAGE_UP */
+{0x4e, 0}, /* PAGE_DOWN */
+};
+
+#else
+/* UK keyboard */
+#define KEYMAP_SIZE (145)
+const KEYMAP keymap[KEYMAP_SIZE] = {
+{0, 0}, /* NUL */
+{0, 0}, /* SOH */
+{0, 0}, /* STX */
+{0, 0}, /* ETX */
+{0, 0}, /* EOT */
+{0, 0}, /* ENQ */
+{0, 0}, /* ACK */
+{0, 0}, /* BEL */
+{0x2a, 0}, /* BS */ /* Keyboard Delete (Backspace) */
+{0x2b, 0}, /* TAB */ /* Keyboard Tab */
+{0x28, 0}, /* LF */ /* Keyboard Return (Enter) */
+{0, 0}, /* VT */
+{0, 0}, /* FF */
+{0, 0}, /* CR */
+{0, 0}, /* SO */
+{0, 0}, /* SI */
+{0, 0}, /* DEL */
+{0, 0}, /* DC1 */
+{0, 0}, /* DC2 */
+{0, 0}, /* DC3 */
+{0, 0}, /* DC4 */
+{0, 0}, /* NAK */
+{0, 0}, /* SYN */
+{0, 0}, /* ETB */
+{0, 0}, /* CAN */
+{0, 0}, /* EM */
+{0, 0}, /* SUB */
+{0, 0}, /* ESC */
+{0, 0}, /* FS */
+{0, 0}, /* GS */
+{0, 0}, /* RS */
+{0, 0}, /* US */
+{0x2c, 0}, /* */
+{0x1e, KEY_SHIFT}, /* ! */
+{0x1f, KEY_SHIFT}, /* " */
+{0x32, 0}, /* # */
+{0x21, KEY_SHIFT}, /* $ */
+{0x22, KEY_SHIFT}, /* % */
+{0x24, KEY_SHIFT}, /* & */
+{0x34, 0}, /* ' */
+{0x26, KEY_SHIFT}, /* ( */
+{0x27, KEY_SHIFT}, /* ) */
+{0x25, KEY_SHIFT}, /* * */
+{0x2e, KEY_SHIFT}, /* + */
+{0x36, 0}, /* , */
+{0x2d, 0}, /* - */
+{0x37, 0}, /* . */
+{0x38, 0}, /* / */
+{0x27, 0}, /* 0 */
+{0x1e, 0}, /* 1 */
+{0x1f, 0}, /* 2 */
+{0x20, 0}, /* 3 */
+{0x21, 0}, /* 4 */
+{0x22, 0}, /* 5 */
+{0x23, 0}, /* 6 */
+{0x24, 0}, /* 7 */
+{0x25, 0}, /* 8 */
+{0x26, 0}, /* 9 */
+{0x33, KEY_SHIFT}, /* : */
+{0x33, 0}, /* ; */
+{0x36, KEY_SHIFT}, /* < */
+{0x2e, 0}, /* = */
+{0x37, KEY_SHIFT}, /* > */
+{0x38, KEY_SHIFT}, /* ? */
+{0x34, KEY_SHIFT}, /* @ */
+{0x04, KEY_SHIFT}, /* A */
+{0x05, KEY_SHIFT}, /* B */
+{0x06, KEY_SHIFT}, /* C */
+{0x07, KEY_SHIFT}, /* D */
+{0x08, KEY_SHIFT}, /* E */
+{0x09, KEY_SHIFT}, /* F */
+{0x0a, KEY_SHIFT}, /* G */
+{0x0b, KEY_SHIFT}, /* H */
+{0x0c, KEY_SHIFT}, /* I */
+{0x0d, KEY_SHIFT}, /* J */
+{0x0e, KEY_SHIFT}, /* K */
+{0x0f, KEY_SHIFT}, /* L */
+{0x10, KEY_SHIFT}, /* M */
+{0x11, KEY_SHIFT}, /* N */
+{0x12, KEY_SHIFT}, /* O */
+{0x13, KEY_SHIFT}, /* P */
+{0x14, KEY_SHIFT}, /* Q */
+{0x15, KEY_SHIFT}, /* R */
+{0x16, KEY_SHIFT}, /* S */
+{0x17, KEY_SHIFT}, /* T */
+{0x18, KEY_SHIFT}, /* U */
+{0x19, KEY_SHIFT}, /* V */
+{0x1a, KEY_SHIFT}, /* W */
+{0x1b, KEY_SHIFT}, /* X */
+{0x1c, KEY_SHIFT}, /* Y */
+{0x1d, KEY_SHIFT}, /* Z */
+{0x2f, 0}, /* [ */
+{0x64, 0}, /* \ */
+{0x30, 0}, /* ] */
+{0x23, KEY_SHIFT}, /* ^ */
+{0x2d, KEY_SHIFT}, /* _ */
+{0x35, 0}, /* ` */
+{0x04, 0}, /* a */
+{0x05, 0}, /* b */
+{0x06, 0}, /* c */
+{0x07, 0}, /* d */
+{0x08, 0}, /* e */
+{0x09, 0}, /* f */
+{0x0a, 0}, /* g */
+{0x0b, 0}, /* h */
+{0x0c, 0}, /* i */
+{0x0d, 0}, /* j */
+{0x0e, 0}, /* k */
+{0x0f, 0}, /* l */
+{0x10, 0}, /* m */
+{0x11, 0}, /* n */
+{0x12, 0}, /* o */
+{0x13, 0}, /* p */
+{0x14, 0}, /* q */
+{0x15, 0}, /* r */
+{0x16, 0}, /* s */
+{0x17, 0}, /* t */
+{0x18, 0}, /* u */
+{0x19, 0}, /* v */
+{0x1a, 0}, /* w */
+{0x1b, 0}, /* x */
+{0x1c, 0}, /* y */
+{0x1d, 0}, /* z */
+{0x2f, KEY_SHIFT}, /* { */
+{0x64, KEY_SHIFT}, /* | */
+{0x30, KEY_SHIFT}, /* } */
+{0x32, KEY_SHIFT}, /* ~ */
+{0,0}, /* DEL */
+
+{0x3a, 0}, /* F1 */
+{0x3b, 0}, /* F2 */
+{0x3c, 0}, /* F3 */
+{0x3d, 0}, /* F4 */
+{0x3e, 0}, /* F5 */
+{0x3f, 0}, /* F6 */
+{0x40, 0}, /* F7 */
+{0x41, 0}, /* F8 */
+{0x42, 0}, /* F9 */
+{0x43, 0}, /* F10 */
+{0x44, 0}, /* F11 */
+{0x45, 0}, /* F12 */
+
+{0x46, 0}, /* PRINT_SCREEN */
+{0x49, 0}, /* INSERT */
+{0x4a, 0}, /* HOME */
+{0x4b, 0}, /* PAGE_UP */
+{0x4e, 0}, /* PAGE_DOWN */
+};
+#endif
+
+uint8_t * USBKeyboard::reportDesc() {
+ static uint8_t reportDescriptor[] = {
+ USAGE_PAGE(1), 0x01, // Generic Desktop
+ USAGE(1), 0x06, // Keyboard
+ COLLECTION(1), 0x01, // Application
+ REPORT_ID(1), REPORT_ID_KEYBOARD,
+
+ USAGE_PAGE(1), 0x07, // Key Codes
+ USAGE_MINIMUM(1), 0xE0,
+ USAGE_MAXIMUM(1), 0xE7,
+ LOGICAL_MINIMUM(1), 0x00,
+ LOGICAL_MAXIMUM(1), 0x01,
+ REPORT_SIZE(1), 0x01,
+ REPORT_COUNT(1), 0x08,
+ INPUT(1), 0x02, // Data, Variable, Absolute
+ REPORT_COUNT(1), 0x01,
+ REPORT_SIZE(1), 0x08,
+ INPUT(1), 0x01, // Constant
+ REPORT_COUNT(1), 0x05,
+ REPORT_SIZE(1), 0x01,
+
+
+ USAGE_PAGE(1), 0x08, // LEDs
+ USAGE_MINIMUM(1), 0x01,
+ USAGE_MAXIMUM(1), 0x05,
+ OUTPUT(1), 0x02, // Data, Variable, Absolute
+ REPORT_COUNT(1), 0x01,
+ REPORT_SIZE(1), 0x03,
+ OUTPUT(1), 0x01, // Constant
+ REPORT_COUNT(1), 0x06,
+ REPORT_SIZE(1), 0x08,
+ LOGICAL_MINIMUM(1), 0x00,
+ LOGICAL_MAXIMUM(1), 0x65,
+
+
+ USAGE_PAGE(1), 0x07, // Key Codes
+ USAGE_MINIMUM(1), 0x00,
+ USAGE_MAXIMUM(1), 0x65,
+ INPUT(1), 0x00, // Data, Array
+ END_COLLECTION(0),
+
+ // Media Control
+ USAGE_PAGE(1), 0x0C,
+ USAGE(1), 0x01,
+ COLLECTION(1), 0x01,
+ REPORT_ID(1), REPORT_ID_VOLUME,
+ USAGE_PAGE(1), 0x0C,
+ LOGICAL_MINIMUM(1), 0x00,
+ LOGICAL_MAXIMUM(1), 0x01,
+ REPORT_SIZE(1), 0x01,
+ REPORT_COUNT(1), 0x07,
+ USAGE(1), 0xB5, // Next Track
+ USAGE(1), 0xB6, // Previous Track
+ USAGE(1), 0xB7, // Stop
+ USAGE(1), 0xCD, // Play / Pause
+ USAGE(1), 0xE2, // Mute
+ USAGE(1), 0xE9, // Volume Up
+ USAGE(1), 0xEA, // Volume Down
+ INPUT(1), 0x02, // Input (Data, Variable, Absolute)
+ REPORT_COUNT(1), 0x01,
+ INPUT(1), 0x01,
+ END_COLLECTION(0),
+
+ };
+ reportLength = sizeof(reportDescriptor);
+ return reportDescriptor;
+}
+
+int USBKeyboard::_putc(int c) {
+ return keyCode(c, keymap[c].modifier);
+}
+
+bool USBKeyboard::keyCode(uint8_t key, uint8_t modifier) {
+ // Send a simulated keyboard keypress. Returns true if successful.
+
+ HID_REPORT report;
+
+ report.data[0] = REPORT_ID_KEYBOARD;
+ report.data[1] = modifier;
+ report.data[2] = 0;
+ report.data[3] = keymap[key].usage;
+ report.data[4] = 0;
+ report.data[5] = 0;
+ report.data[6] = 0;
+ report.data[7] = 0;
+ report.data[8] = 0;
+
+ report.length = 9;
+
+ if (!send(&report)) {
+ return false;
+ }
+
+ report.data[1] = 0;
+ report.data[3] = 0;
+
+ if (!send(&report)) {
+ return false;
+ }
+
+ return true;
+
+}
+
+
+bool USBKeyboard::mediaControl(MEDIA_KEY key) {
+ HID_REPORT report;
+
+ report.data[0] = REPORT_ID_VOLUME;
+ report.data[1] = (1 << key) & 0x7f;
+
+ report.length = 2;
+
+ send(&report);
+
+ report.data[0] = REPORT_ID_VOLUME;
+ report.data[1] = 0;
+
+ report.length = 2;
+
+ return send(&report);
+}
+
+