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Introduce a Makefile for the OS_NONE device example

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It currently supports the SAMD21 and SAMD51 only. More will be
added later.
This commit is contained in:
Scott Shawcroft
2018-11-24 10:55:51 -08:00
parent 3bb53273cd
commit bf70f89240
16 changed files with 548 additions and 19 deletions
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src/portable/microchip/samd51/hal_samd51.c
+5
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@@ -49,6 +49,11 @@
*------------------------------------------------------------------*/
bool tusb_hal_init(void)
{
// Reset to get in a clean state.
USB->DEVICE.CTRLA.bit.SWRST = true;
while (USB->DEVICE.SYNCBUSY.bit.SWRST == 0) {}
while (USB->DEVICE.SYNCBUSY.bit.SWRST == 1) {}
USB->DEVICE.PADCAL.bit.TRANSP = (*((uint32_t*) USB_FUSES_TRANSP_ADDR) & USB_FUSES_TRANSP_Msk) >> USB_FUSES_TRANSP_Pos;
USB->DEVICE.PADCAL.bit.TRANSN = (*((uint32_t*) USB_FUSES_TRANSN_ADDR) & USB_FUSES_TRANSN_Msk) >> USB_FUSES_TRANSN_Pos;
USB->DEVICE.PADCAL.bit.TRIM = (*((uint32_t*) USB_FUSES_TRIM_ADDR) & USB_FUSES_TRIM_Msk) >> USB_FUSES_TRIM_Pos;