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stm32: Move irq handler code above irq setup

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Only code movement.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-08-22 08:48:10 -04:00
parent 2a2cf1f536
commit a44bc950a3
3 changed files with 88 additions and 88 deletions
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56
src/stm32/usbfs.c
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@ -233,34 +233,6 @@ usb_request_bootloader(void)
* Setup and interrupts
****************************************************************/
DECL_CONSTANT_STR("RESERVE_PINS_USB", "PA11,PA12");
// Initialize the usb controller
void
usb_init(void)
{
// Pull the D+ pin low briefly to signal a new connection
gpio_out_setup(GPIO('A', 12), 0);
udelay(5000);
gpio_in_setup(GPIO('A', 12), 0);
// Setup USB packet memory
btable_configure();
// Enable USB clock
enable_pclock(USB_BASE);
// Reset usb controller and enable interrupts
USB->CNTR = USB_CNTR_FRES;
USB->BTABLE = 0;
USB->DADDR = 0;
USB->CNTR = USB_CNTR_RESETM;
USB->ISTR = 0;
NVIC_SetPriority(USB_LP_CAN1_RX0_IRQn, 1);
NVIC_EnableIRQ(USB_LP_CAN1_RX0_IRQn);
}
DECL_INIT(usb_init);
// Configure interface after a USB reset event
static void
usb_reset(void)
@ -305,3 +277,31 @@ USB_LP_CAN1_RX0_IRQHandler(void)
usb_reset();
}
}
DECL_CONSTANT_STR("RESERVE_PINS_USB", "PA11,PA12");
// Initialize the usb controller
void
usb_init(void)
{
// Pull the D+ pin low briefly to signal a new connection
gpio_out_setup(GPIO('A', 12), 0);
udelay(5000);
gpio_in_setup(GPIO('A', 12), 0);
// Setup USB packet memory
btable_configure();
// Enable USB clock
enable_pclock(USB_BASE);
// Reset usb controller and enable interrupts
USB->CNTR = USB_CNTR_FRES;
USB->BTABLE = 0;
USB->DADDR = 0;
USB->CNTR = USB_CNTR_RESETM;
USB->ISTR = 0;
NVIC_SetPriority(USB_LP_CAN1_RX0_IRQn, 1);
NVIC_EnableIRQ(USB_LP_CAN1_RX0_IRQn);
}
DECL_INIT(usb_init);