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double buffered work with host

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This commit is contained in:
hathach
2021-06-11 17:05:49 +07:00
parent 43656dc0a7
commit a1a03c92f6
4 changed files with 233 additions and 162 deletions
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15
src/portable/raspberrypi/rp2040/rp2040_usb.h
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@@ -17,7 +17,7 @@
#endif
#if false && !defined(NDEBUG)
#if true || false && !defined(NDEBUG)
#define pico_trace(format,args...) printf(format, ## args)
#else
#define pico_trace(format,...) ((void)0)
@@ -50,6 +50,7 @@ struct hw_endpoint
// Endpoint control register
io_rw_32 *endpoint_control;
// Buffer control register
io_rw_32 *buffer_control;
@@ -63,8 +64,11 @@ struct hw_endpoint
bool active;
uint16_t total_len;
uint16_t len;
// Amount of data with the hardware
uint16_t transfer_size;
uint16_t transfer_size; // buf0_len;
uint16_t buf_1_len;
// User buffer in main memory
uint8_t *user_buf;
@@ -76,6 +80,7 @@ struct hw_endpoint
#if TUSB_OPT_HOST_ENABLED
// Only needed for host mode
bool last_buf;
// RP2040-E4: HOST BUG. Host will incorrect write status to top half of buffer
// control register when doing transfers > 1 packet
uint8_t buf_sel;
@@ -90,11 +95,11 @@ struct hw_endpoint
void rp2040_usb_init(void);
void hw_endpoint_reset_transfer(struct hw_endpoint *ep);
void _hw_endpoint_xfer(struct hw_endpoint *ep, uint8_t *buffer, uint16_t total_len, bool start);
void _hw_endpoint_start_next_buffer(struct hw_endpoint *ep);
void _hw_endpoint_xfer_start(struct hw_endpoint *ep, uint8_t *buffer, uint16_t total_len);
void _hw_endpoint_xfer_sync(struct hw_endpoint *ep);
bool _hw_endpoint_xfer_continue(struct hw_endpoint *ep);
void _hw_endpoint_buffer_control_update32(struct hw_endpoint *ep, uint32_t and_mask, uint32_t or_mask);
static inline uint32_t _hw_endpoint_buffer_control_get_value32(struct hw_endpoint *ep) {
return *ep->buffer_control;
@@ -149,11 +154,11 @@ static inline void print_bufctrl32(uint32_t u32)
uint16_t u16;
u16 = u32 >> 16;
TU_LOG(2, "Buffer Control 1 0x%x: ", u16);
TU_LOG(2, " Buffer Control 1 0x%x: ", u16);
print_bufctrl16(u16);
u16 = u32 & 0x0000ffff;
TU_LOG(2, "Buffer Control 0 0x%x: ", u16);
TU_LOG(2, " Buffer Control 0 0x%x: ", u16);
print_bufctrl16(u16);
}