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lpc176x: 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 09:16:37 -04:00
parent 44f862388f
commit 6409eda058
3 changed files with 80 additions and 75 deletions
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65
src/lpc176x/usbserial.c
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@@ -260,6 +260,41 @@ usb_request_bootloader(void)
NVIC_SystemReset();
}
/****************************************************************
* Setup and interrupts
****************************************************************/
void __visible
USB_IRQHandler(void)
{
uint32_t udis = LPC_USB->USBDevIntSt;
if (udis & DEV_STAT) {
LPC_USB->USBDevIntClr = DEV_STAT;
// XXX - should handle reset and other states
}
if (udis & EP_SLOW) {
uint32_t ueis = LPC_USB->USBEpIntSt;
if (ueis & (1<<EP0OUT)) {
sie_select_and_clear(EP0OUT);
usb_notify_ep0();
}
if (ueis & (1<<EP0IN)) {
sie_select_and_clear(EP0IN);
usb_notify_ep0();
}
if (ueis & (1<<EP2OUT)) {
sie_select_and_clear(EP2OUT);
usb_notify_bulk_out();
}
if (ueis & (1<<EP5IN)) {
sie_select_and_clear(EP5IN);
usb_notify_bulk_in();
}
LPC_USB->USBDevIntClr = EP_SLOW;
}
}
DECL_CONSTANT_STR("RESERVE_PINS_USB", "P0.30,P0.29,P2.9");
void
@@ -295,33 +330,3 @@ usbserial_shutdown(void)
usb_irq_enable();
}
DECL_SHUTDOWN(usbserial_shutdown);
void __visible
USB_IRQHandler(void)
{
uint32_t udis = LPC_USB->USBDevIntSt;
if (udis & DEV_STAT) {
LPC_USB->USBDevIntClr = DEV_STAT;
// XXX - should handle reset and other states
}
if (udis & EP_SLOW) {
uint32_t ueis = LPC_USB->USBEpIntSt;
if (ueis & (1<<EP0OUT)) {
sie_select_and_clear(EP0OUT);
usb_notify_ep0();
}
if (ueis & (1<<EP0IN)) {
sie_select_and_clear(EP0IN);
usb_notify_ep0();
}
if (ueis & (1<<EP2OUT)) {
sie_select_and_clear(EP2OUT);
usb_notify_bulk_out();
}
if (ueis & (1<<EP5IN)) {
sie_select_and_clear(EP5IN);
usb_notify_bulk_in();
}
LPC_USB->USBDevIntClr = EP_SLOW;
}
}