diff options
Diffstat (limited to 'src/portable/st/stm32_fsdev/fsdev_stm32.h')
| -rw-r--r-- | src/portable/st/stm32_fsdev/fsdev_stm32.h | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/src/portable/st/stm32_fsdev/fsdev_stm32.h b/src/portable/st/stm32_fsdev/fsdev_stm32.h index ccf31e035..63b50f13d 100644 --- a/src/portable/st/stm32_fsdev/fsdev_stm32.h +++ b/src/portable/st/stm32_fsdev/fsdev_stm32.h @@ -36,6 +36,7 @@ #include "stm32f0xx.h" #define FSDEV_PMA_SIZE (1024u) #define FSDEV_REG_BASE USB_BASE + #define FSDEV_HAS_SBUF_ISO 0 // F0x2 models are crystal-less // All have internal D+ pull-up // 070RB: 2 x 16 bits/word memory LPM Support, BCD Support @@ -44,6 +45,7 @@ #elif CFG_TUSB_MCU == OPT_MCU_STM32F1 #include "stm32f1xx.h" #define FSDEV_PMA_SIZE (512u) + #define FSDEV_HAS_SBUF_ISO 0 // NO internal Pull-ups // *B, and *C: 2 x 16 bits/word @@ -55,6 +57,7 @@ defined(STM32F373xC) #include "stm32f3xx.h" #define FSDEV_PMA_SIZE (512u) + #define FSDEV_HAS_SBUF_ISO 0 // NO internal Pull-ups // *B, and *C: 1 x 16 bits/word // PMA dedicated to USB (no sharing with CAN) @@ -64,6 +67,7 @@ defined(STM32F303xD) || defined(STM32F303xE) #include "stm32f3xx.h" #define FSDEV_PMA_SIZE (1024u) + #define FSDEV_HAS_SBUF_ISO 0 // NO internal Pull-ups // *6, *8, *D, and *E: 2 x 16 bits/word LPM Support // When CAN clock is enabled, USB can use first 768 bytes ONLY. @@ -71,18 +75,22 @@ #elif CFG_TUSB_MCU == OPT_MCU_STM32L0 #include "stm32l0xx.h" #define FSDEV_PMA_SIZE (1024u) + #define FSDEV_HAS_SBUF_ISO 0 #elif CFG_TUSB_MCU == OPT_MCU_STM32L1 #include "stm32l1xx.h" #define FSDEV_PMA_SIZE (512u) + #define FSDEV_HAS_SBUF_ISO 0 #elif CFG_TUSB_MCU == OPT_MCU_STM32G4 #include "stm32g4xx.h" #define FSDEV_PMA_SIZE (1024u) + #define FSDEV_HAS_SBUF_ISO 0 #elif CFG_TUSB_MCU == OPT_MCU_STM32G0 #include "stm32g0xx.h" #define FSDEV_PMA_SIZE (2048u) + #define FSDEV_HAS_SBUF_ISO 1 #define USB USB_DRD_FS #define USB_EP_CTR_RX USB_EP_VTRX @@ -107,6 +115,7 @@ #elif CFG_TUSB_MCU == OPT_MCU_STM32C0 #include "stm32c0xx.h" #define FSDEV_PMA_SIZE (2048u) + #define FSDEV_HAS_SBUF_ISO 1 #define USB USB_DRD_FS #define USB_EP_CTR_RX USB_CHEP_VTRX #define USB_EP_CTR_TX USB_CHEP_VTTX @@ -121,6 +130,7 @@ #elif CFG_TUSB_MCU == OPT_MCU_STM32H5 #include "stm32h5xx.h" #define FSDEV_PMA_SIZE (2048u) + #define FSDEV_HAS_SBUF_ISO 1 #define USB USB_DRD_FS #define USB_EP_CTR_RX USB_EP_VTRX @@ -145,16 +155,19 @@ #elif CFG_TUSB_MCU == OPT_MCU_STM32WB #include "stm32wbxx.h" #define FSDEV_PMA_SIZE (1024u) + #define FSDEV_HAS_SBUF_ISO 0 /* ST provided header has incorrect value of USB_PMAADDR */ #define FSDEV_PMA_BASE USB1_PMAADDR #elif CFG_TUSB_MCU == OPT_MCU_STM32L4 #include "stm32l4xx.h" #define FSDEV_PMA_SIZE (1024u) + #define FSDEV_HAS_SBUF_ISO 0 #elif CFG_TUSB_MCU == OPT_MCU_STM32L5 #include "stm32l5xx.h" #define FSDEV_PMA_SIZE (1024u) + #define FSDEV_HAS_SBUF_ISO 0 #ifndef USB_PMAADDR #define USB_PMAADDR (USB_BASE + (USB_PMAADDR_NS - USB_BASE_NS)) @@ -163,6 +176,7 @@ #elif CFG_TUSB_MCU == OPT_MCU_STM32U5 #include "stm32u5xx.h" #define FSDEV_PMA_SIZE (2048u) + #define FSDEV_HAS_SBUF_ISO 1 #define USB USB_DRD_FS #define USB_EP_CTR_RX USB_EP_VTRX @@ -186,7 +200,10 @@ #elif CFG_TUSB_MCU == OPT_MCU_STM32U0 #include "stm32u0xx.h" - #define FSDEV_PMA_SIZE (2048u) + #define FSDEV_PMA_SIZE (1024u) + #define FSDEV_BUS_32BIT + // Disable SBUF_ISO on U0 for now due to bad performance (audio glitching) + #define FSDEV_HAS_SBUF_ISO 0 #define USB USB_DRD_FS #define USB_EP_CTR_RX USB_EP_VTRX @@ -248,6 +265,36 @@ #define USB_ISTR_ALL_EVENTS (USB_ISTR_PMAOVR | USB_ISTR_ERR | USB_ISTR_WKUP | USB_ISTR_SUSP | \ USB_ISTR_RESET | USB_ISTR_SOF | USB_ISTR_ESOF | USB_ISTR_L1REQ_FORCED ) +#ifndef FSDEV_HAS_SBUF_ISO + #error "FSDEV_HAS_SBUF_ISO not defined" +#endif + +#ifndef CFG_TUD_FSDEV_DOUBLE_BUFFERED_ISO_EP + // Default configuration for double-buffered isochronous endpoints: + // - Enable double buffering on devices with >1KB Packet Memory Area (PMA) + // to improve isochronous transfer reliability and performance + // - Disable on devices with limited PMA to conserve memory space + #if FSDEV_PMA_SIZE > 1024u + #define CFG_TUD_FSDEV_DOUBLE_BUFFERED_ISO_EP 1 + #else + #define CFG_TUD_FSDEV_DOUBLE_BUFFERED_ISO_EP 0 + #endif +#endif + +#if FSDEV_HAS_SBUF_ISO != 0 && CFG_TUD_FSDEV_DOUBLE_BUFFERED_ISO_EP == 0 + // SBUF_ISO configuration: + // - Some STM32 devices have special hardware support for single-buffered isochronous endpoints + // - When SBUF_ISO bit is available and double buffering is disabled: + // Enable SBUF_ISO to optimize endpoint register usage (one half of endpoint pair register) + #define FSDEV_USE_SBUF_ISO 1 +#else + // When either: + // - Hardware doesn't support SBUF_ISO feature, or + // - Double buffering is enabled for isochronous endpoints + // We must use the entire endpoint pair register + #define FSDEV_USE_SBUF_ISO 0 +#endif + //--------------------------------------------------------------------+ // //--------------------------------------------------------------------+ |
