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fix nested extern declaration of 'SystemCoreClock' [-Werror=nested-externs]

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hathach 2020-07-29 17:04:47 +07:00
parent 5af08e2ffc
commit 10a8ef7614
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1 changed files with 1 additions and 1 deletions
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src/portable/st/synopsys/dcd_synopsys.c
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@ -231,6 +231,7 @@ static void bus_reset(uint8_t rhport)
} }
// Set turn-around timeout according to link speed // Set turn-around timeout according to link speed
extern uint32_t SystemCoreClock;
static void set_turnaround(USB_OTG_GlobalTypeDef * usb_otg, tusb_speed_t speed) static void set_turnaround(USB_OTG_GlobalTypeDef * usb_otg, tusb_speed_t speed)
{ {
usb_otg->GUSBCFG &= ~USB_OTG_GUSBCFG_TRDT; usb_otg->GUSBCFG &= ~USB_OTG_GUSBCFG_TRDT;
@ -243,7 +244,6 @@ static void set_turnaround(USB_OTG_GlobalTypeDef * usb_otg, tusb_speed_t speed)
else else
{ {
// Turnaround timeout depends on the MCU clock // Turnaround timeout depends on the MCU clock
extern uint32_t SystemCoreClock;
uint32_t turnaround; uint32_t turnaround;
if ( SystemCoreClock >= 32000000U ) if ( SystemCoreClock >= 32000000U )