mbed official
USBHost library. NOTE: This library is only officially supported on the LPC1768 platform. For more information, please see the handbook page.
Dependencies: FATFileSystem mbed-rtos
Dependents: BTstack WallbotWii SD to Flash Data Transfer USBHost-MSD_HelloWorld ... more
Legacy Warning
This is an mbed 2 library. To learn more about mbed OS 5, visit the docs.
Pull requests against this repository are no longer supported. Please raise against mbed OS 5 as documented above.
Diff: USBHostHID/USBHostKeyboard.cpp
- Revision:
- 37:f1e388e7b752
- Parent:
- 24:868cbfe611a7
--- a/USBHostHID/USBHostKeyboard.cpp Sun Apr 30 04:17:16 2017 +0000
+++ b/USBHostHID/USBHostKeyboard.cpp Thu Jul 20 10:13:56 2017 +0100
@@ -19,71 +19,81 @@
#if USBHOST_KEYBOARD
static uint8_t keymap[4][0x39] = {
- { 0, 0, 0, 0, 'a', 'b' /*0x05*/,
- 'c', 'd', 'e', 'f', 'g' /*0x0a*/,
- 'h', 'i', 'j', 'k', 'l'/*0x0f*/,
- 'm', 'n', 'o', 'p', 'q'/*0x14*/,
- 'r', 's', 't', 'u', 'v'/*0x19*/,
- 'w', 'x', 'y', 'z', '1'/*0x1E*/,
- '2', '3', '4', '5', '6'/*0x23*/,
- '7', '8', '9', '0', 0x0A /*enter*/, /*0x28*/
- 0x1B /*escape*/, 0x08 /*backspace*/, 0x09/*tab*/, 0x20/*space*/, '-', /*0x2d*/
- '=', '[', ']', '\\', '#', /*0x32*/
- ';', '\'', 0, ',', '.', /*0x37*/
- '/'},
+ {
+ 0, 0, 0, 0, 'a', 'b' /*0x05*/,
+ 'c', 'd', 'e', 'f', 'g' /*0x0a*/,
+ 'h', 'i', 'j', 'k', 'l'/*0x0f*/,
+ 'm', 'n', 'o', 'p', 'q'/*0x14*/,
+ 'r', 's', 't', 'u', 'v'/*0x19*/,
+ 'w', 'x', 'y', 'z', '1'/*0x1E*/,
+ '2', '3', '4', '5', '6'/*0x23*/,
+ '7', '8', '9', '0', 0x0A /*enter*/, /*0x28*/
+ 0x1B /*escape*/, 0x08 /*backspace*/, 0x09/*tab*/, 0x20/*space*/, '-', /*0x2d*/
+ '=', '[', ']', '\\', '#', /*0x32*/
+ ';', '\'', 0, ',', '.', /*0x37*/
+ '/'
+ },
/* CTRL MODIFIER */
- { 0, 0, 0, 0, 0, 0 /*0x05*/,
- 0, 0, 0, 0, 0 /*0x0a*/,
- 0, 0, 0, 0, 0/*0x0f*/,
- 0, 0, 0, 0, 0/*0x14*/,
- 0, 0, 0, 0, 0/*0x19*/,
- 0, 0, 0, 0, 0/*0x1E*/,
- 0, 0, 0, 0, 0/*0x23*/,
- 0, 0, 0, 0, 0 /*enter*/, /*0x28*/
- 0, 0, 0, 0, 0, /*0x2d*/
- 0, 0, 0, 0, 0, /*0x32*/
- 0, 0, 0, 0, 0, /*0x37*/
- 0},
+ {
+ 0, 0, 0, 0, 0, 0 /*0x05*/,
+ 0, 0, 0, 0, 0 /*0x0a*/,
+ 0, 0, 0, 0, 0/*0x0f*/,
+ 0, 0, 0, 0, 0/*0x14*/,
+ 0, 0, 0, 0, 0/*0x19*/,
+ 0, 0, 0, 0, 0/*0x1E*/,
+ 0, 0, 0, 0, 0/*0x23*/,
+ 0, 0, 0, 0, 0 /*enter*/, /*0x28*/
+ 0, 0, 0, 0, 0, /*0x2d*/
+ 0, 0, 0, 0, 0, /*0x32*/
+ 0, 0, 0, 0, 0, /*0x37*/
+ 0
+ },
/* SHIFT MODIFIER */
- { 0, 0, 0, 0, 'A', 'B' /*0x05*/,
- 'C', 'D', 'E', 'F', 'G' /*0x0a*/,
- 'H', 'I', 'J', 'K', 'L'/*0x0f*/,
- 'M', 'N', 'O', 'P', 'Q'/*0x14*/,
- 'R', 'S', 'T', 'U', 'V'/*0x19*/,
- 'W', 'X', 'Y', 'Z', '!'/*0x1E*/,
- '@', '#', '$', '%', '^'/*0x23*/,
- '&', '*', '(', ')', 0, /*0x28*/
- 0, 0, 0, 0, 0, /*0x2d*/
- '+', '{', '}', '|', '~', /*0x32*/
- ':', '"', 0, '<', '>', /*0x37*/
- '?'},
+ {
+ 0, 0, 0, 0, 'A', 'B' /*0x05*/,
+ 'C', 'D', 'E', 'F', 'G' /*0x0a*/,
+ 'H', 'I', 'J', 'K', 'L'/*0x0f*/,
+ 'M', 'N', 'O', 'P', 'Q'/*0x14*/,
+ 'R', 'S', 'T', 'U', 'V'/*0x19*/,
+ 'W', 'X', 'Y', 'Z', '!'/*0x1E*/,
+ '@', '#', '$', '%', '^'/*0x23*/,
+ '&', '*', '(', ')', 0, /*0x28*/
+ 0, 0, 0, 0, 0, /*0x2d*/
+ '+', '{', '}', '|', '~', /*0x32*/
+ ':', '"', 0, '<', '>', /*0x37*/
+ '?'
+ },
/* ALT MODIFIER */
- { 0, 0, 0, 0, 0, 0 /*0x05*/,
- 0, 0, 0, 0, 0 /*0x0a*/,
- 0, 0, 0, 0, 0/*0x0f*/,
- 0, 0, 0, 0, 0/*0x14*/,
- 0, 0, 0, 0, 0/*0x19*/,
- 0, 0, 0, 0, 0/*0x1E*/,
- 0, 0, 0, 0, 0/*0x23*/,
- 0, 0, 0, 0, 0 /*enter*/, /*0x28*/
- 0, 0, 0, 0, 0, /*0x2d*/
- 0, 0, 0, 0, 0, /*0x32*/
- 0, 0, 0, 0, 0, /*0x37*/
- 0}
+ {
+ 0, 0, 0, 0, 0, 0 /*0x05*/,
+ 0, 0, 0, 0, 0 /*0x0a*/,
+ 0, 0, 0, 0, 0/*0x0f*/,
+ 0, 0, 0, 0, 0/*0x14*/,
+ 0, 0, 0, 0, 0/*0x19*/,
+ 0, 0, 0, 0, 0/*0x1E*/,
+ 0, 0, 0, 0, 0/*0x23*/,
+ 0, 0, 0, 0, 0 /*enter*/, /*0x28*/
+ 0, 0, 0, 0, 0, /*0x2d*/
+ 0, 0, 0, 0, 0, /*0x32*/
+ 0, 0, 0, 0, 0, /*0x37*/
+ 0
+ }
};
-USBHostKeyboard::USBHostKeyboard() {
+USBHostKeyboard::USBHostKeyboard()
+{
host = USBHost::getHostInst();
init();
}
-void USBHostKeyboard::init() {
+void USBHostKeyboard::init()
+{
dev = NULL;
int_in = NULL;
report_id = 0;
@@ -94,12 +104,14 @@
keyboard_device_found = false;
}
-bool USBHostKeyboard::connected() {
+bool USBHostKeyboard::connected()
+{
return dev_connected;
}
-bool USBHostKeyboard::connect() {
+bool USBHostKeyboard::connect()
+{
if (dev_connected) {
return true;
@@ -108,20 +120,29 @@
for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
if ((dev = host->getDevice(i)) != NULL) {
- if (host->enumerate(dev, this))
+ if (host->enumerate(dev, this)) {
break;
+ }
if (keyboard_device_found) {
- int_in = dev->getEndpoint(keyboard_intf, INTERRUPT_ENDPOINT, IN);
+ {
+ /* As this is done in a specific thread
+ * this lock is taken to avoid to process the device
+ * disconnect in usb process during the device registering */
+ USBHost::Lock Lock(host);
- if (!int_in)
- break;
+ int_in = dev->getEndpoint(keyboard_intf, INTERRUPT_ENDPOINT, IN);
- USB_INFO("New Keyboard device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, keyboard_intf);
- dev->setName("Keyboard", keyboard_intf);
- host->registerDriver(dev, keyboard_intf, this, &USBHostKeyboard::init);
+ if (!int_in) {
+ break;
+ }
- int_in->attach(this, &USBHostKeyboard::rxHandler);
+ USB_INFO("New Keyboard device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, keyboard_intf);
+ dev->setName("Keyboard", keyboard_intf);
+ host->registerDriver(dev, keyboard_intf, this, &USBHostKeyboard::init);
+
+ int_in->attach(this, &USBHostKeyboard::rxHandler);
+ }
host->interruptRead(dev, int_in, report, int_in->getSize(), false);
dev_connected = true;
@@ -133,7 +154,8 @@
return false;
}
-void USBHostKeyboard::rxHandler() {
+void USBHostKeyboard::rxHandler()
+{
int len = int_in->getLengthTransferred();
int index = (len == 9) ? 1 : 0;
int len_listen = int_in->getSize();
@@ -149,8 +171,9 @@
(*onKeyCode)(report[index + 2], modifier);
}
}
- if (dev && int_in)
+ if (dev && int_in) {
host->interruptRead(dev, int_in, report, len_listen, false);
+ }
}
/*virtual*/ void USBHostKeyboard::setVidPid(uint16_t vid, uint16_t pid)
@@ -161,9 +184,9 @@
/*virtual*/ bool USBHostKeyboard::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
{
if ((keyboard_intf == -1) &&
- (intf_class == HID_CLASS) &&
- (intf_subclass == 0x01) &&
- (intf_protocol == 0x01)) {
+ (intf_class == HID_CLASS) &&
+ (intf_subclass == 0x01) &&
+ (intf_protocol == 0x01)) {
keyboard_intf = intf_nb;
return true;
}
