diff options
| author | HiFiPhile <[email protected]> | 2024-05-09 15:51:53 +0200 |
|---|---|---|
| committer | HiFiPhile <[email protected]> | 2024-05-09 15:51:53 +0200 |
| commit | 36ce6fad8ca997804a569fe575584b45a1b5fc79 (patch) | |
| tree | f79aa084a42438667b5e26b588a6f794c9ad1608 /src/device/dcd.h | |
| parent | f607a99127cc9e8dfc3f716f977e6c1bfb6f7c2d (diff) | |
| parent | 74e57499baac36c4cccf76549259905162031e41 (diff) | |
Merge branch 'master' into vendor_class_zero_length_transfer
Diffstat (limited to 'src/device/dcd.h')
| -rw-r--r-- | src/device/dcd.h | 105 |
1 files changed, 90 insertions, 15 deletions
diff --git a/src/device/dcd.h b/src/device/dcd.h index e17c62d4e..d4f105aa3 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) @@ -35,8 +35,19 @@ extern "C" { #endif -typedef enum -{ +//--------------------------------------------------------------------+ +// Configuration +//--------------------------------------------------------------------+ + +#ifndef CFG_TUD_ENDPPOINT_MAX + #define CFG_TUD_ENDPPOINT_MAX TUP_DCD_ENDPOINT_MAX +#endif + +//--------------------------------------------------------------------+ +// MACRO CONSTANT TYPEDEF PROTYPES +//--------------------------------------------------------------------+ + +typedef enum { DCD_EVENT_INVALID = 0, DCD_EVENT_BUS_RESET, DCD_EVENT_UNPLUGGED, @@ -53,18 +64,21 @@ 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; } bus_reset; + // SOF + struct { + uint32_t frame_count; + }sof; + // SETUP_RECEIVED tusb_control_request_t setup_received; @@ -86,11 +100,30 @@ 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); + +// Deinitialize controller, unset device mode. +bool dcd_deinit(uint8_t rhport); // Interrupt Handler void dcd_int_handler(uint8_t rhport); @@ -113,16 +146,24 @@ void dcd_connect(uint8_t rhport) TU_ATTR_WEAK; // Disconnect by disabling internal pull-up resistor on D+/D- void dcd_disconnect(uint8_t rhport) TU_ATTR_WEAK; +// Enable/Disable Start-of-frame interrupt. Default is disabled +void dcd_sof_enable(uint8_t rhport, bool en); + //--------------------------------------------------------------------+ // Endpoint API //--------------------------------------------------------------------+ // 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 * p_endpoint_desc); +bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_ep); + +// Close all non-control endpoints, cancel all pending transfers if any. +// Invoked when switching from a non-zero Configuration by SET_CONFIGURE therefore +// required for multiple configuration support. +void dcd_edpt_close_all (uint8_t rhport); // Close an endpoint. // Since it is weak, caller must TU_ASSERT this function's existence before calling it. @@ -135,12 +176,20 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer // This API is optional, may be useful for register-based for transferring data. bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16_t total_bytes) TU_ATTR_WEAK; -// Stall endpoint +// Stall endpoint, any queuing transfer should be removed from endpoint void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr); // clear stall, data toggle is also reset to DATA0 +// 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) //--------------------------------------------------------------------+ @@ -149,16 +198,42 @@ 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 -extern 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 -extern 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 -extern 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, sizeof(tusb_control_request_t)); + + dcd_event_handler(&event, in_isr); +} // helper to send transfer complete event -extern 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; + event.xfer_complete.len = xferred_bytes; + event.xfer_complete.result = result; + + dcd_event_handler(&event, 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); +} #ifdef __cplusplus } |
