ROM Comm / USBDevice_STM32F103

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Fork of USBDevice_STM32F103 by Devan Lai

Diff: USBDevice/USBHAL_KL25Z.cpp

Revision:
34:a4e9ddc2e2af
Parent:
22:5b7d31d9d3f3
Child:
37:9506bdafbf94
diff -r f85ada5a4cef -r a4e9ddc2e2af USBDevice/USBHAL_KL25Z.cpp
--- 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;