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usb使用dma

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This commit is contained in:
andy
2025-10-19 01:20:06 +08:00
parent eab38c8eff
commit 4eb3e830d0
3 changed files with 4 additions and 2 deletions
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2
Project/Src/tinyUSB/examples/device/net_lwip_webserver/src/tusb_config.h
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@@ -51,6 +51,8 @@ extern "C" {
//--------------------------------------------------------------------
#define CFG_TUD_DWC2_DMA_ENABLE 1
#define CFG_TUSB_MCU OPT_MCU_STM32F4
// defined by compiler flags for flexibility
#ifndef CFG_TUSB_MCU

2
Project/Src/tinyUSB/src/portable/synopsys/dwc2/dwc2_common.c
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@@ -251,7 +251,7 @@ bool dwc2_core_init(uint8_t rhport, bool is_highspeed, bool is_dma) {
if (is_dma) {
// DMA seems to be only settable after a core reset, and not possible to switch on-the-fly
dwc2->gahbcfg |= GAHBCFG_DMAEN | GAHBCFG_HBSTLEN_2;
dwc2->gahbcfg |= GAHBCFG_DMAEN | GAHBCFG_HBSTLEN_3;
} else {
dwc2->gintmsk |= GINTSTS_RXFLVL;
}

2
Project/Src/tinyUSB/src/portable/synopsys/dwc2/dwc2_stm32.h
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@@ -51,7 +51,7 @@ extern "C" {
#define EP_MAX_FS 5
#define EP_FIFO_SIZE_FS 0x1000
#define EP_MAX_HS 5
#define EP_MAX_HS 6
#define EP_FIFO_SIZE_HS 0x1000
// #define USB_OTG_HS_BASE_ADDR 0x40040000