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USB device stack

Dependents:   mbed-mX-USB-TEST1 USBMSD_SD_HID_HelloWorld HidTest MIDI_usb_bridge ... more

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API Documentation at this revision

Revision 34:a4e9ddc2e2af, committed 2014-10-23

Comitter:
mbed_official
Date:
Thu Oct 23 09:45:42 2014 +0100
Parent:
33:f85ada5a4cef
Child:
35:a8484e16c2f3
Commit message:
Synchronized with git revision 6ff7dfe464a15417f666938479c7860707707331

Full URL: https://github.com/mbedmicro/mbed/commit/6ff7dfe464a15417f666938479c7860707707331/

Target: Freescale FRDM-KL43Z addition

Changed in this revision

USBDevice/USBEndpoints.h Show annotated file Show diff for this revision Revisions of this file
USBDevice/USBHAL_KL25Z.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/USBDevice/USBEndpoints.h	Wed Oct 22 08:45:20 2014 +0100
+++ b/USBDevice/USBEndpoints.h	Thu Oct 23 09:45:42 2014 +0100
@@ -41,7 +41,7 @@
 #include "USBEndpoints_LPC17_LPC23.h"
 #elif defined(TARGET_LPC11UXX) || defined(TARGET_LPC1347) || defined (TARGET_LPC11U6X) || defined (TARGET_LPC1549)
 #include "USBEndpoints_LPC11U.h"
-#elif defined(TARGET_KL25Z) | defined(TARGET_KL46Z) | defined(TARGET_K20D5M) | defined(TARGET_K64F)
+#elif defined(TARGET_KL25Z) | defined(TARGET_KL43Z) | defined(TARGET_KL46Z) | defined(TARGET_K20D5M) | defined(TARGET_K64F)
 #include "USBEndpoints_KL25Z.h"
 #elif defined (TARGET_STM32F4)
 #include "USBEndpoints_STM32F4.h"

--- a/USBDevice/USBHAL_KL25Z.cpp	Wed Oct 22 08:45:20 2014 +0100
+++ b/USBDevice/USBHAL_KL25Z.cpp	Thu Oct 23 09:45:42 2014 +0100
@@ -16,7 +16,7 @@
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
-#if defined(TARGET_KL25Z) | defined(TARGET_KL46Z) | defined(TARGET_K20D5M) | defined(TARGET_K64F)
+#if defined(TARGET_KL25Z) | defined(TARGET_KL43Z) | defined(TARGET_KL46Z) | defined(TARGET_K20D5M) | defined(TARGET_K64F)
 
 #include "USBHAL.h"
 
@@ -121,12 +121,25 @@
     epCallback[28] = &USBHAL::EP15_OUT_callback;
     epCallback[29] = &USBHAL::EP15_IN_callback;
 
+#if defined(TARGET_KL43Z)
+    // enable USBFS clock
+    SIM->SCGC4 |= SIM_SCGC4_USBFS_MASK;
 
+    // enable the IRC48M clock
+    USB0->CLK_RECOVER_IRC_EN |= USB_CLK_RECOVER_IRC_EN_IRC_EN_MASK;
+
+    // enable the USB clock recovery tuning
+    USB0->CLK_RECOVER_CTRL |= USB_CLK_RECOVER_CTRL_CLOCK_RECOVER_EN_MASK;
+
+    // choose usb src clock
+    SIM->SOPT2 |= SIM_SOPT2_USBSRC_MASK;
+#else
     // choose usb src as PLL
     SIM->SOPT2 |= (SIM_SOPT2_USBSRC_MASK | SIM_SOPT2_PLLFLLSEL_MASK);
 
     // enable OTG clock
     SIM->SCGC4 |= SIM_SCGC4_USBOTG_MASK;
+#endif
 
     // Attach IRQ
     instance = this;