mirror/tinyusb
3
0
Fork 0
mirror of https://github.com/hathach/tinyusb.git synced 2026-02-05 08:55:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

dcd/dwc2: add IN fifo configure

Browse Source 
Signed-off-by: HiFiPhile <admin@hifiphile.com>
This commit is contained in:
HiFiPhile
2025-11-21 15:44:07 +01:00
parent 3842980adf
commit a6df41d895
2 changed files with 31 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/device/usbd.h
View File

@ -33,6 +33,20 @@
extern "C" {
#endif
// ConfigID for tuh_configure()
enum {
TUD_CFGID_INVALID = 0,
TUD_CFGID_DWC2 = 100,
};
typedef struct {
uint16_t bm_double_buffered; // bitmap of IN endpoints to be double buffered, only effective for bulk endpoints
} tud_configure_dwc2_t;
typedef union {
tud_configure_dwc2_t dwc2;
} tud_configure_param_t;
//--------------------------------------------------------------------+
// Application API
//--------------------------------------------------------------------+

21
src/portable/synopsys/dwc2/dcd_dwc2.c
View File

@ -39,6 +39,7 @@
#define DWC2_DEBUG 2
#include "device/dcd.h"
#include "device/usbd.h"
#include "device/usbd_pvt.h"
#include "dwc2_common.h"
@ -76,6 +77,10 @@ CFG_TUD_MEM_SECTION static struct {
TUD_EPBUF_DEF(setup_packet, 8);
} _dcd_usbbuf;
static tud_configure_dwc2_t _tud_cfg = {
.bm_double_buffered = 0
};
TU_ATTR_ALWAYS_INLINE static inline uint8_t dwc2_ep_count(const dwc2_regs_t* dwc2) {
#if TU_CHECK_MCU(OPT_MCU_GD32VF103)
(void) dwc2;
@ -212,8 +217,8 @@ static bool dfifo_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t packet_size) {
_dcd_data.allocated_epin_count++;
}
// If The TXFELVL is configured as half empty, the fifo must be twice the max_size.
if ((dwc2->gahbcfg & GAHBCFG_TX_FIFO_EPMTY_LVL) == 0) {
// Enable double buffering if configured
if (((_tud_cfg.bm_double_buffered & (1 << epnum)) != 0) && (epnum > 0)) {
fifo_size *= 2;
}
@ -446,6 +451,16 @@ static void edpt_schedule_packets(uint8_t rhport, const uint8_t epnum, const uin
//--------------------------------------------------------------------
// Controller API
//--------------------------------------------------------------------
// optional dcd configuration, called by tud_configure()
bool dcd_configure(uint8_t rhport, uint32_t cfg_id, const void* cfg_param) {
(void) rhport;
TU_VERIFY(cfg_id == TUD_CFGID_DWC2 && cfg_param != NULL);
const tud_configure_param_t* const cfg = (const tud_configure_param_t*) cfg_param;
_tud_cfg = cfg->dwc2;
return true;
}
bool dcd_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) {
(void) rh_init;
dwc2_regs_t* dwc2 = DWC2_REG(rhport);
@ -492,9 +507,7 @@ bool dcd_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) {
// Enable required interrupts
dwc2->gintmsk |= GINTMSK_OTGINT | GINTMSK_USBRST | GINTMSK_ENUMDNEM | GINTMSK_WUIM;
// TX FIFO empty level for interrupt is complete empty
uint32_t gahbcfg = dwc2->gahbcfg;
gahbcfg |= GAHBCFG_TX_FIFO_EPMTY_LVL;
gahbcfg |= GAHBCFG_GINT; // Enable global interrupt
dwc2->gahbcfg = gahbcfg;