Zoltan Hudak / USBDevice_STM32F103

USB Device for NUCLEO-F103RB, STM32F103C8T6 and Maple Mini boards

Dependents:   MapleMini_USBSerial STM32F103C8T6_USBKeyboard firstDelta STM32F103C8T6_USBSerial ... more

Fork of L152RE_USBDevice by Norimasa Okamoto

Files at this revision

API Documentation at this revision

Revision 70:a6dcac43ceaf, committed 2020-03-16

Comitter:
hudakz
Date:
Mon Mar 16 15:03:30 2020 +0000
Parent:
69:faedf6c65e43
Commit message:
USBDevice support for STM32F103 chips when building with Mbed OS 2 - Added key release flag.

Changed in this revision

USBHID/USBKeyboard.cpp Show annotated file Show diff for this revision Revisions of this file
USBHID/USBKeyboard.h Show annotated file Show diff for this revision Revisions of this file 
diff -r faedf6c65e43 -r a6dcac43ceaf USBHID/USBKeyboard.cpp
--- a/USBHID/USBKeyboard.cpp	Wed Feb 20 12:41:13 2019 +0000
+++ b/USBHID/USBKeyboard.cpp	Mon Mar 16 15:03:30 2020 +0000
@@ -442,7 +442,7 @@
     return keyCode(c, keymap[c].modifier);
 }
 
-bool USBKeyboard::keyCode(uint8_t key, uint8_t modifier) {
+bool USBKeyboard::keyCode(uint8_t key, uint8_t modifier /* = 0 */, bool release /* = true */) {
     // Send a simulated keyboard keypress. Returns true if successful.
     HID_REPORT report;
 
@@ -462,18 +462,18 @@
         return false;
     }
 
-    report.data[1] = 0;
-    report.data[3] = 0;
+    if (release) {
+        report.data[1] = 0;
+        report.data[3] = 0;
 
-    if (!send(&report)) {
-        return false;
+        if (!send(&report)) {
+            return false;
+        }
     }
 
     return true;
-
 }
 
-
 bool USBKeyboard::mediaControl(MEDIA_KEY key) {
     HID_REPORT report;
 

diff -r faedf6c65e43 -r a6dcac43ceaf USBHID/USBKeyboard.h
--- a/USBHID/USBKeyboard.h	Wed Feb 20 12:41:13 2019 +0000
+++ b/USBHID/USBKeyboard.h	Mon Mar 16 15:03:30 2020 +0000
@@ -118,9 +118,11 @@
     *
     * @param modifier bit 0: KEY_CTRL, bit 1: KEY_SHIFT, bit 2: KEY_ALT (default: 0)
     * @param key character to send
+    * @param holdDown true when the key shall be released in this function
+    *                 false when the key shall be released in the application program
     * @returns true if there is no error, false otherwise
     */
-    bool keyCode(uint8_t key, uint8_t modifier = 0);
+    bool keyCode(uint8_t key, uint8_t modifier = 0, bool release = true);
 
     /**
     * Send a character