diff options
| author | HiFiPhile <[email protected]> | 2024-04-01 12:35:57 +0200 |
|---|---|---|
| committer | HiFiPhile <[email protected]> | 2024-04-01 12:35:57 +0200 |
| commit | a1f01fcbe0fecb8d1783a105d7f22cba032dfced (patch) | |
| tree | c8174923ef0bdd1016f55ed731df4c2df3257940 /src/device/dcd.h | |
| parent | dd0350f5499de586a3405fdcec632f059fd7534e (diff) | |
| parent | 82dfe95655c7b7564363a2d5cb2f5e32d431b223 (diff) | |
Merge remote-tracking branch 'upstream/master' into pr/1702
Diffstat (limited to 'src/device/dcd.h')
| -rw-r--r-- | src/device/dcd.h | 55 |
1 files changed, 35 insertions, 20 deletions
diff --git a/src/device/dcd.h b/src/device/dcd.h index c1780f656..69c26bcf4 100644 --- a/src/device/dcd.h +++ b/src/device/dcd.h @@ -1,4 +1,4 @@ -/* +/* * The MIT License (MIT) * * Copyright (c) 2019 Ha Thach (tinyusb.org) @@ -47,8 +47,7 @@ // MACRO CONSTANT TYPEDEF PROTYPES //--------------------------------------------------------------------+ -typedef enum -{ +typedef enum { DCD_EVENT_INVALID = 0, DCD_EVENT_BUS_RESET, DCD_EVENT_UNPLUGGED, @@ -65,13 +64,11 @@ typedef enum DCD_EVENT_COUNT } dcd_eventid_t; -typedef struct TU_ATTR_ALIGNED(4) -{ +typedef struct TU_ATTR_ALIGNED(4) { uint8_t rhport; uint8_t event_id; - union - { + union { // BUS RESET struct { tusb_speed_t speed; @@ -103,11 +100,27 @@ typedef struct TU_ATTR_ALIGNED(4) //TU_VERIFY_STATIC(sizeof(dcd_event_t) <= 12, "size is not correct"); //--------------------------------------------------------------------+ +// Memory API +//--------------------------------------------------------------------+ + +// clean/flush data cache: write cache -> memory. +// Required before an DMA TX transfer to make sure data is in memory +void dcd_dcache_clean(void const* addr, uint32_t data_size) TU_ATTR_WEAK; + +// invalidate data cache: mark cache as invalid, next read will read from memory +// Required BOTH before and after an DMA RX transfer +void dcd_dcache_invalidate(void const* addr, uint32_t data_size) TU_ATTR_WEAK; + +// clean and invalidate data cache +// Required before an DMA transfer where memory is both read/write by DMA +void dcd_dcache_clean_invalidate(void const* addr, uint32_t data_size) TU_ATTR_WEAK; + +//--------------------------------------------------------------------+ // Controller API //--------------------------------------------------------------------+ // Initialize controller to device mode -void dcd_init (uint8_t rhport); +void dcd_init(uint8_t rhport); // Interrupt Handler void dcd_int_handler(uint8_t rhport); @@ -139,7 +152,7 @@ void dcd_sof_enable(uint8_t rhport, bool en); // Invoked when a control transfer's status stage is complete. // May help DCD to prepare for next control transfer, this API is optional. -void dcd_edpt0_status_complete(uint8_t rhport, tusb_control_request_t const * request) TU_ATTR_WEAK; +void dcd_edpt0_status_complete(uint8_t rhport, tusb_control_request_t const * request); // Configure endpoint's registers according to descriptor bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_ep); @@ -167,6 +180,13 @@ void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr); // This API never calls with control endpoints, since it is auto cleared when receiving setup packet void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr); +// Allocate packet buffer used by ISO endpoints +// Some MCU need manual packet buffer allocation, we allocate the largest size to avoid clustering +TU_ATTR_WEAK bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size); + +// Configure and enable an ISO endpoint according to descriptor +TU_ATTR_WEAK bool dcd_edpt_iso_activate(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc); + //--------------------------------------------------------------------+ // Event API (implemented by stack) //--------------------------------------------------------------------+ @@ -175,32 +195,28 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr); extern void dcd_event_handler(dcd_event_t const * event, bool in_isr); // helper to send bus signal event -TU_ATTR_ALWAYS_INLINE static inline void dcd_event_bus_signal (uint8_t rhport, dcd_eventid_t eid, bool in_isr) -{ +TU_ATTR_ALWAYS_INLINE static inline void dcd_event_bus_signal (uint8_t rhport, dcd_eventid_t eid, bool in_isr) { dcd_event_t event = { .rhport = rhport, .event_id = eid }; dcd_event_handler(&event, in_isr); } // helper to send bus reset event -TU_ATTR_ALWAYS_INLINE static inline void dcd_event_bus_reset (uint8_t rhport, tusb_speed_t speed, bool in_isr) -{ +TU_ATTR_ALWAYS_INLINE static inline void dcd_event_bus_reset (uint8_t rhport, tusb_speed_t speed, bool in_isr) { dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_BUS_RESET }; event.bus_reset.speed = speed; dcd_event_handler(&event, in_isr); } // helper to send setup received -TU_ATTR_ALWAYS_INLINE static inline void dcd_event_setup_received(uint8_t rhport, uint8_t const * setup, bool in_isr) -{ +TU_ATTR_ALWAYS_INLINE static inline void dcd_event_setup_received(uint8_t rhport, uint8_t const * setup, bool in_isr) { dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_SETUP_RECEIVED }; - memcpy(&event.setup_received, setup, 8); + memcpy(&event.setup_received, setup, sizeof(tusb_control_request_t)); dcd_event_handler(&event, in_isr); } // helper to send transfer complete event -TU_ATTR_ALWAYS_INLINE static inline void dcd_event_xfer_complete (uint8_t rhport, uint8_t ep_addr, uint32_t xferred_bytes, uint8_t result, bool in_isr) -{ +TU_ATTR_ALWAYS_INLINE static inline void dcd_event_xfer_complete (uint8_t rhport, uint8_t ep_addr, uint32_t xferred_bytes, uint8_t result, bool in_isr) { dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_XFER_COMPLETE }; event.xfer_complete.ep_addr = ep_addr; @@ -210,8 +226,7 @@ TU_ATTR_ALWAYS_INLINE static inline void dcd_event_xfer_complete (uint8_t rhport dcd_event_handler(&event, in_isr); } -static inline void dcd_event_sof(uint8_t rhport, uint32_t frame_count, bool in_isr) -{ +TU_ATTR_ALWAYS_INLINE static inline void dcd_event_sof(uint8_t rhport, uint32_t frame_count, bool in_isr) { dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_SOF }; event.sof.frame_count = frame_count; dcd_event_handler(&event, in_isr); |
