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/**
* USB0 Generated Driver File
*
* @file usb0.c
*
* @ingroup usb0
*
* @brief This file contains the API implementations for the USB0 driver.
*
* @version USB0 Driver Version 1.0.0
*/
/*
© [2025] Microchip Technology Inc. and its subsidiaries.
Subject to your compliance with these terms, you may use Microchip
software and any derivatives exclusively with Microchip products.
You are responsible for complying with 3rd party license terms
applicable to your use of 3rd party software (including open source
software) that may accompany Microchip software. SOFTWARE IS ?AS IS.?
NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS
SOFTWARE, INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT,
MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY
KIND WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF
MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE
FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP?S
TOTAL LIABILITY ON ALL CLAIMS RELATED TO THE SOFTWARE WILL NOT
EXCEED AMOUNT OF FEES, IF ANY, YOU PAID DIRECTLY TO MICROCHIP FOR
THIS SOFTWARE.
*/
#include <stddef.h>
#include "../usb0.h"
#include "../../system/syscfg.h"
#include "../../system/utils/compiler.h"
static void USB0_DefaultTrnComplCallback(void);
static void USB0_DefaultBusEventCallback(void);
static void (*USB0_TrnCompl_isr_cb)(void) = &USB0_DefaultTrnComplCallback;
static void (*USB0_BusEvent_isr_cb)(void) = &USB0_DefaultBusEventCallback;
void USB0_Initialize(void)
{
// OVF enabled; RESET enabled; RESUME enabled; SOF enabled; STALLED enabled; SUSPEND enabled; UNF enabled;
USB0.INTCTRLA = 0xFE;
// GNDONE disabled; SETUP enabled; TRNCOMPL enabled;
USB0.INTCTRLB = 0x21;
SYSCFG_UsbVregDisable();
}
void USB0_TrnComplCallbackRegister(USB_cb_t cb)
{
USB0_TrnCompl_isr_cb = cb;
}
void USB0_BusEventCallbackRegister(USB_cb_t cb)
{
USB0_BusEvent_isr_cb = cb;
}
static void USB0_DefaultTrnComplCallback(void)
{
// Clear the interrupt Flags
USB0.INTFLAGSB = USB_TRNCOMPL_bm | USB_GNDONE_bm | USB_SETUP_bm;
}
static void USB0_DefaultBusEventCallback(void)
{
// Clear the interrupt Flags
USB0.INTFLAGSA = USB_SOF_bm | USB_SUSPEND_bm | USB_RESUME_bm | USB_RESET_bm | USB_STALLED_bm | USB_UNF_bm | USB_OVF_bm;
}
ISR(USB0_TRNCOMPL_vect) {
if (USB0_TrnCompl_isr_cb != NULL)
{
(*USB0_TrnCompl_isr_cb)();
}
}
ISR(USB0_BUSEVENT_vect) {
if (USB0_BusEvent_isr_cb != NULL) {
(*USB0_BusEvent_isr_cb)();
}
}
/**
End of File
*/
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