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moving esp32s2 to dwc2, abstract dwc2_set_turnaround()

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This commit is contained in:
hathach
2021-10-25 15:51:41 +07:00
parent a0202df920
commit 4ccf60954d
8 changed files with 222 additions and 101 deletions
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83
src/portable/synopsys/dwc2/dwc2_stm32.h
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@@ -24,8 +24,12 @@
* This file is part of the TinyUSB stack.
*/
#ifndef _TUSB_DWC2_STM32_H_
#define _TUSB_DWC2_STM32_H_
#ifndef _DWC2_STM32_H_
#define _DWC2_STM32_H_
#ifdef __cplusplus
extern "C" {
#endif
// EP_MAX : Max number of bi-directional endpoints including EP0
// EP_FIFO_SIZE : Size of dedicated USB SRAM
@@ -71,19 +75,21 @@
// On STM32 we associate Port0 to OTG_FS, and Port1 to OTG_HS
#if TUD_OPT_RHPORT == 0
#define EP_MAX EP_MAX_FS
#define EP_FIFO_SIZE EP_FIFO_SIZE_FS
#define DWC2_REG_BASE USB_OTG_FS_PERIPH_BASE
#define RHPORT_IRQn OTG_FS_IRQn
#define DWC2_REG_BASE USB_OTG_FS_PERIPH_BASE
#define DWC2_EP_MAX EP_MAX_FS
#define DWC2_EP_FIFO_SIZE EP_FIFO_SIZE_FS
#define RHPORT_IRQn OTG_FS_IRQn
#else
#define EP_MAX EP_MAX_HS
#define EP_FIFO_SIZE EP_FIFO_SIZE_HS
#define DWC2_REG_BASE USB_OTG_HS_PERIPH_BASE
#define RHPORT_IRQn OTG_HS_IRQn
#define DWC2_REG_BASE USB_OTG_HS_PERIPH_BASE
#define DWC2_EP_MAX EP_MAX_HS
#define DWC2_EP_FIFO_SIZE EP_FIFO_SIZE_HS
#define RHPORT_IRQn OTG_HS_IRQn
#endif
extern uint32_t SystemCoreClock;
TU_ATTR_ALWAYS_INLINE
static inline void dcd_dwc2_int_enable(uint8_t rhport)
{
@@ -98,4 +104,59 @@ static inline void dcd_dwc2_int_disable (uint8_t rhport)
NVIC_DisableIRQ(RHPORT_IRQn);
}
#endif /* DWC2_STM32_H_ */
TU_ATTR_ALWAYS_INLINE
static inline void dwc2_remote_wakeup_delay(void)
{
// try to delay for 1 ms
uint32_t count = SystemCoreClock / 1000;
while ( count-- ) __NOP();
}
// Set turn-around timeout according to link speed
static inline void dwc2_set_turnaround(dwc2_core_t * core, tusb_speed_t speed)
{
core->GUSBCFG &= ~GUSBCFG_TRDT;
if ( speed == TUSB_SPEED_HIGH )
{
// Use fixed 0x09 for Highspeed
core->GUSBCFG |= (0x09 << GUSBCFG_TRDT_Pos);
}
else
{
// Turnaround timeout depends on the MCU clock
uint32_t turnaround;
if ( SystemCoreClock >= 32000000U )
turnaround = 0x6U;
else if ( SystemCoreClock >= 27500000U )
turnaround = 0x7U;
else if ( SystemCoreClock >= 24000000U )
turnaround = 0x8U;
else if ( SystemCoreClock >= 21800000U )
turnaround = 0x9U;
else if ( SystemCoreClock >= 20000000U )
turnaround = 0xAU;
else if ( SystemCoreClock >= 18500000U )
turnaround = 0xBU;
else if ( SystemCoreClock >= 17200000U )
turnaround = 0xCU;
else if ( SystemCoreClock >= 16000000U )
turnaround = 0xDU;
else if ( SystemCoreClock >= 15000000U )
turnaround = 0xEU;
else
turnaround = 0xFU;
// Fullspeed depends on MCU clocks, but we will use 0x06 for 32+ Mhz
core->GUSBCFG |= (turnaround << GUSBCFG_TRDT_Pos);
}
}
#ifdef __cplusplus
}
#endif
#endif /* _DWC2_STM32_H_ */