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/*
* SPDX-FileCopyrightText: Copyright (c) 2024, Ha Thach (tinyusb.org)
* SPDX-License-Identifier: MIT
*/
#ifndef TUSB_FSDEV_AT32_H
#define TUSB_FSDEV_AT32_H
#include "common/tusb_compiler.h"
#if CFG_TUSB_MCU == OPT_MCU_AT32F403A_407
#include "at32f403a_407.h"
#elif CFG_TUSB_MCU == OPT_MCU_AT32F413
#include "at32f413.h"
#endif
#define FSDEV_USE_SBUF_ISO 0
#define FSDEV_REG_BASE (APB1PERIPH_BASE + 0x00005C00UL)
#define FSDEV_PMA_BASE (APB1PERIPH_BASE + 0x00007800UL)
#ifndef CFG_TUD_FSDEV_DOUBLE_BUFFERED_ISO_EP
#define CFG_TUD_FSDEV_DOUBLE_BUFFERED_ISO_EP 0
#endif
//--------------------------------------------------------------------+
//
//--------------------------------------------------------------------+
#if (CFG_TUSB_MCU == OPT_MCU_AT32F403A_407) || (CFG_TUSB_MCU == OPT_MCU_AT32F413)
static const IRQn_Type fsdev_irq[] = {
USBFS_H_CAN1_TX_IRQn,
USBFS_L_CAN1_RX0_IRQn,
USBFSWakeUp_IRQn
};
enum { FSDEV_IRQ_NUM = TU_ARRAY_SIZE(fsdev_irq) };
#else
#error "Unsupported MCU"
#endif
TU_ATTR_ALWAYS_INLINE static inline void fsdev_int_enable(uint8_t rhport) {
(void)rhport;
#if (CFG_TUSB_MCU == OPT_MCU_AT32F403A_407) || (CFG_TUSB_MCU == OPT_MCU_AT32F413)
// AT32F403A/407 devices allow to remap the USB interrupt vectors from
// shared USB/CAN IRQs to separate CAN and USB IRQs.
// This dynamically checks if this remap is active to enable the right IRQs.
if (CRM->intmap_bit.usbintmap) {
NVIC_EnableIRQ(USBFS_MAPH_IRQn);
NVIC_EnableIRQ(USBFS_MAPL_IRQn);
NVIC_EnableIRQ(USBFSWakeUp_IRQn);
} else
#endif
{
for(uint8_t i=0; i < FSDEV_IRQ_NUM; i++) {
NVIC_EnableIRQ(fsdev_irq[i]);
}
}
}
TU_ATTR_ALWAYS_INLINE static inline void fsdev_int_disable(uint8_t rhport) {
(void)rhport;
#if (CFG_TUSB_MCU == OPT_MCU_AT32F403A_407) || (CFG_TUSB_MCU == OPT_MCU_AT32F413)
// AT32F403A/407 devices allow to remap the USB interrupt vectors from
// shared USB/CAN IRQs to separate CAN and USB IRQs.
// This dynamically checks if this remap is active to enable the right IRQs.
if (CRM->intmap_bit.usbintmap) {
NVIC_DisableIRQ(USBFS_MAPH_IRQn);
NVIC_DisableIRQ(USBFS_MAPL_IRQn);
NVIC_DisableIRQ(USBFSWakeUp_IRQn);
} else
#endif
{
for(uint8_t i=0; i < FSDEV_IRQ_NUM; i++) {
NVIC_DisableIRQ(fsdev_irq[i]);
}
}
}
TU_ATTR_ALWAYS_INLINE static inline void fsdev_disconnect(uint8_t rhport) {
(void) rhport;
/* disable usb phy */
*(volatile uint32_t*)(FSDEV_REG_BASE + 0x40) |= U_CNTR_PDWN;
/* D+ 1.5k pull-up disable, USB->cfg_bit.puo = TRUE; */
*(volatile uint32_t *)(FSDEV_REG_BASE+0x60) |= (1u<<1);
}
TU_ATTR_ALWAYS_INLINE static inline void fsdev_connect(uint8_t rhport) {
(void) rhport;
/* enable usb phy */
*(volatile uint32_t*)(FSDEV_REG_BASE + 0x40) &= ~U_CNTR_PDWN;
/* Dp 1.5k pull-up enable, USB->cfg_bit.puo = 0; */
*(volatile uint32_t *)(FSDEV_REG_BASE+0x60) &= ~(1u<<1);
}
#endif
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