diff --git a/libraries/USBHID/src/USBKeyboard.cpp b/libraries/USBHID/src/USBKeyboard.cpp
index 1ff53eeae..2449fefa7 100644
--- a/libraries/USBHID/src/USBKeyboard.cpp
+++ b/libraries/USBHID/src/USBKeyboard.cpp
@@ -22,6 +22,15 @@
#define REPORT_ID_KEYBOARD 1
#define REPORT_ID_VOLUME 3
+/**
+ TODO:
+ * Alter functions to use CUSTSIZE for size of report.
+ Would need to alter change line 410 as well.
+ * Currently report only takes the first modifier key
+ pressed. Should either change this, or use
+ key_code_raw to send the hex codes.
+**/
+
using namespace arduino;
@@ -32,7 +41,7 @@ typedef struct {
#ifdef US_KEYBOARD
/* US keyboard (as HID standard) */
-#define KEYMAP_SIZE (164)
+#define KEYMAP_SIZE (152)
const KEYMAP keymap[KEYMAP_SIZE] = {
{0, 0}, /* NUL */
{0, 0}, /* SOH */
@@ -175,18 +184,6 @@ const KEYMAP keymap[KEYMAP_SIZE] = {
{0x43, 0}, /* F10 */
{0x44, 0}, /* F11 */
{0x45, 0}, /* F12 */
- {0x68, 0}, /* F13 */
- {0x69, 0}, /* F14 */
- {0x6a, 0}, /* F15 */
- {0x6b, 0}, /* F16 */
- {0x6c, 0}, /* F17 */
- {0x6d, 0}, /* F18 */
- {0x6e, 0}, /* F19 */
- {0x6f, 0}, /* F20 */
- {0x70, 0}, /* F21 */
- {0x71, 0}, /* F22 */
- {0x72, 0}, /* F23 */
- {0x73, 0}, /* F24 */
{0x46, 0}, /* PRINT_SCREEN */
{0x47, 0}, /* SCROLL_LOCK */
@@ -205,7 +202,7 @@ const KEYMAP keymap[KEYMAP_SIZE] = {
#else
/* UK keyboard */
-#define KEYMAP_SIZE (164)
+#define KEYMAP_SIZE (152)
const KEYMAP keymap[KEYMAP_SIZE] = {
{0, 0}, /* NUL */
{0, 0}, /* SOH */
@@ -348,18 +345,6 @@ const KEYMAP keymap[KEYMAP_SIZE] = {
{0x43, 0}, /* F10 */
{0x44, 0}, /* F11 */
{0x45, 0}, /* F12 */
- {0x68, 0}, /* F13 */
- {0x69, 0}, /* F14 */
- {0x6a, 0}, /* F15 */
- {0x6b, 0}, /* F16 */
- {0x6c, 0}, /* F17 */
- {0x6d, 0}, /* F18 */
- {0x6e, 0}, /* F19 */
- {0x6f, 0}, /* F20 */
- {0x70, 0}, /* F21 */
- {0x71, 0}, /* F22 */
- {0x72, 0}, /* F23 */
- {0x73, 0}, /* F24 */
{0x46, 0}, /* PRINT_SCREEN */
{0x47, 0}, /* SCROLL_LOCK */
@@ -417,6 +402,7 @@ const uint8_t *USBKeyboard::report_desc()
INPUT(1), 0x01, // Constant
+ // LED section.
REPORT_COUNT(1), 0x05,
REPORT_SIZE(1), 0x01,
USAGE_PAGE(1), 0x08, // LEDs
@@ -428,7 +414,9 @@ const uint8_t *USBKeyboard::report_desc()
OUTPUT(1), 0x01, // Constant
- REPORT_COUNT(1), 0x06,
+ // Keyboard section.
+ //REPORT_COUNT(1), 0x06,
+ REPORT_COUNT(1), 0x0A, // Allows up to 10 keys.
REPORT_SIZE(1), 0x08,
LOGICAL_MINIMUM(1), 0x00,
LOGICAL_MAXIMUM(1), 0x65,
@@ -464,6 +452,16 @@ const uint8_t *USBKeyboard::report_desc()
return reportDescriptor;
}
+void USBKeyboard::emptyButtonBuffer()
+{
+ // Using hard-coded value of 10 for keys pressed array for testing.
+ // Empties the pressed buttons buffer.
+ // Buffer is 10 (0 through 9) long.
+ for(int i = 0; i < 10; i++)
+ {
+ _keys_pressed[i] = 0;
+ }
+}
void USBKeyboard::report_rx()
{
@@ -486,6 +484,133 @@ int USBKeyboard::_putc(int c)
return key_code(c, keymap[c].modifier);
}
+void USBKeyboard::press_button(uint8_t c)
+{
+ if(_keys_pressed[0] != c && _keys_pressed[1] != c &&
+ _keys_pressed[2] != c && _keys_pressed[3] != c &&
+ _keys_pressed[4] != c && _keys_pressed[5] != c &&
+ _keys_pressed[6] != c && _keys_pressed[7] != c &&
+ _keys_pressed[8] != c && _keys_pressed[9] != c)
+ {
+ for(int i = 0; i < 10 ; i++)
+ {
+ if(_keys_pressed[i] == 0)
+ {
+ _keys_pressed[i] = c;
+ //////////////////////////////////////////////////////////
+ // If we don't break, it'll loop through and put the //
+ // character in all 10 slots, since we've already //
+ // checked if it was in the array *BEFORE* starting the //
+ // loop. //
+ //////////////////////////////////////////////////////////
+ break;
+ }
+ }
+ }
+
+}
+
+bool USBKeyboard::sendReleaseAll()
+{
+ _mutex.lock();
+
+ // Testing with hardcoded values of array size 10, and
+ // report length 13.
+
+ // Send simulated keyboard buttons, and empty the button pressed buffer.
+ // Returns true if successful.
+ HID_REPORT report;
+
+ report.data[0] = REPORT_ID_KEYBOARD;
+ report.data[1] = 0;
+ report.data[2] = 0;
+ for(int i = 3; i < 13; i++)
+ {
+ report.data[i] = keymap[_keys_pressed[i-3]].usage;
+ if(keymap[_keys_pressed[i-3]].modifier && !report.data[1]) {
+ report.data[1] = keymap[_keys_pressed[i-3]].modifier;
+ }
+ }
+
+ report.length = 13;
+
+ if (!send(&report)) {
+ _mutex.unlock();
+ return false;
+ }
+
+ // Need to clear the modifier from the report.
+ report.data[1] = 0;
+ for(int i = 3; i < 13; i++)
+ {
+ report.data[i] = 0;
+ }
+
+ emptyButtonBuffer();
+
+ if (!send(&report)) {
+ _mutex.unlock();
+ return false;
+ }
+
+
+ _mutex.unlock();
+ return true;
+
+}
+
+bool USBKeyboard::sendReleaseKeys(uint8_t* keys_array)
+{
+ _mutex.lock();
+
+ ////////////////////////////////////////////////////////////////////////////
+ // Should add a keys_array_length as an additional argument, so we can //
+ // handle different sizes. For now, we're just using a //
+ // hardcoded value of 10 for the keys array, and 13 for the //
+ // HID report length. If we send the wrong size report the //
+ // computer will get confused. //
+ ////////////////////////////////////////////////////////////////////////////
+
+ // Send simulated keyboard buttons, and empty the button pressed buffer.
+ // Returns true if successful.
+ HID_REPORT report;
+
+ report.data[0] = REPORT_ID_KEYBOARD;
+ report.data[1] = 0;
+ report.data[2] = 0;
+ for(int i = 3; i < 13; i++)
+ {
+ report.data[i] = keymap[keys_array[i-3]].usage;
+ if(keymap[keys_array[i-3]].modifier && !report.data[1]) {
+ report.data[1] = keymap[keys_array[i-3]].modifier;
+ }
+ }
+
+ report.length = 13;
+
+ if (!send(&report)) {
+ _mutex.unlock();
+ return false;
+ }
+
+ // Need to clear the modifier from the report.
+ report.data[1] = 0;
+ for(int i = 3; i < 13; i++)
+ {
+ report.data[i] = 0;
+ keys_array[i-3] = 0;
+ }
+
+ if (!send(&report)) {
+ _mutex.unlock();
+ return false;
+ }
+
+
+ _mutex.unlock();
+ return true;
+}
+
bool USBKeyboard::key_code(uint8_t key, uint8_t modifier)
{
return key_code_raw(keymap[key].usage, modifier);
@@ -507,8 +632,12 @@ bool USBKeyboard::key_code_raw(uint8_t key, uint8_t modifier)
report.data[6] = 0;
report.data[7] = 0;
report.data[8] = 0;
+ report.data[9] = 0;
+ report.data[10] = 0;
+ report.data[11] = 0;
+ report.data[12] = 0;
- report.length = 9;
+ report.length = 13;
if (!send(&report)) {
_mutex.unlock();
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