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Fix USB remote wakeup #48

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Fix USB remote wakeup #48

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1a274be
sn32: fix USB remote wakeup
Plombo Jun 7, 2022
d775328
Use SN32_HCLK instead of hardcoded value
Plombo Nov 26, 2022
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4 changes: 3 additions & 1 deletion os/hal/ports/SN32/LLD/SN32F2xx/USB/hal_usb_lld.h
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Original file line number Diff line number Diff line change
Expand Up @@ -390,7 +390,9 @@ struct USBDriver {
#define usb_lld_wakeup_host(usbp) \
do { \
SN32_USB->SGCTL = (mskBUS_DRVEN|mskBUS_K_STATE); \
osalThreadSleepMilliseconds(SN32_USB_HOST_WAKEUP_DURATION); \
uint32_t loops = OSAL_MS2I(SN32_USB_HOST_WAKEUP_DURATION) * \
(48000000 / CH_CFG_ST_FREQUENCY / 9); \
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for (uint32_t i = 0; i < loops; i++) __NOP(); \
SN32_USB->SGCTL &= ~mskBUS_DRVEN; \
} while (false)

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