[riot-notifications] [RIOT-OS/RIOT] [WIP] USBUS: Initial work towards an USB stack (#10916)

Koen Zandberg notifications at github.com
Wed Feb 13 19:40:05 CET 2019


bergzand commented on this pull request.



> +#if defined(CPU_FAM_SAMD21)
+    PM->AHBMASK.reg |= PM_AHBMASK_USB;
+    GCLK->CLKCTRL.reg = (uint32_t)(GCLK_CLKCTRL_CLKEN |
+                                   GCLK_CLKCTRL_GEN_GCLK0 |
+                                   (GCLK_CLKCTRL_ID(USB_GCLK_ID)));
+#elif defined(CPU_FAM_SAML21)
+    MCLK->AHBMASK.reg |= (MCLK_AHBMASK_USB);
+    GCLK->PCHCTRL[USB_GCLK_ID].reg = GCLK_PCHCTRL_CHEN |
+                                     GCLK_PCHCTRL_GEN_GCLK0;
+#endif
+}
+
+void usbdev_init(usbdev_t *dev)
+{
+    /* Only one usb device on this board */
+    _usbdev = (sam0_common_usb_t *)dev;

Reworked this to not have a hard dependency on the `sam0_common_usb_t` struct

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