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Implement dcd_edpt_xfer_fifo for dcd_musb

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This commit is contained in:
kkitayam 2021-11-04 22:36:36 +09:00
parent 50ca0dda2c
commit 0b3c8c4a59
2 changed files with 55 additions and 14 deletions
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3
src/class/audio/audio_device.c
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@ -102,7 +102,8 @@
CFG_TUSB_MCU == OPT_MCU_GD32VF103 || \
CFG_TUSB_MCU == OPT_MCU_LPC18XX || \
CFG_TUSB_MCU == OPT_MCU_LPC43XX || \
CFG_TUSB_MCU == OPT_MCU_MIMXRT10XX
CFG_TUSB_MCU == OPT_MCU_MIMXRT10XX || \
CFG_TUSB_MCU == OPT_MCU_MSP432E4xx
#if TUD_AUDIO_PREFER_RING_BUFFER
#define USE_LINEAR_BUFFER 0
#else

58
src/portable/mentor/musb/dcd_musb.c
View File

@ -77,7 +77,8 @@ typedef struct
uint16_t remaining_ctrl; /* The number of bytes remaining in data stage of control transfer. */
int8_t status_out;
pipe_state_t pipe0;
pipe_state_t pipe[2][7];
pipe_state_t pipe[2][7]; /* pipe[direction][endpoint number - 1] */
uint16_t pipe_buf_is_fifo[2]; /* Bitmap. Each bit means whether 1:TU_FIFO or 0:POD. */
} dcd_data_t;
/*------------------------------------------------------------------
@ -244,6 +245,30 @@ static void pipe_read_packet(void *buf, volatile void *fifo, unsigned len)
}
}
static void pipe_read_write_packet_ff(tu_fifo_t *f, volatile void *fifo, unsigned len, unsigned dir)
{
static const struct {
void (*tu_fifo_get_info)(tu_fifo_t *f, tu_fifo_buffer_info_t *info);
void (*tu_fifo_advance)(tu_fifo_t *f, uint16_t n);
void (*pipe_read_write)(void *buf, volatile void *fifo, unsigned len);
} ops[] = {
/* OUT */ {tu_fifo_get_write_info,tu_fifo_advance_write_pointer,pipe_read_packet},
/* IN */ {tu_fifo_get_read_info, tu_fifo_advance_read_pointer, pipe_write_packet},
};
tu_fifo_buffer_info_t info;
ops[dir].tu_fifo_get_info(f, &info);
unsigned total_len = len;
len = TU_MIN(total_len, info.len_lin);
ops[dir].pipe_read_write(info.ptr_lin, fifo, len);
unsigned rem = total_len - len;
if (rem) {
len = TU_MIN(rem, info.len_wrap);
ops[dir].pipe_read_write(info.ptr_wrap, fifo, len);
rem -= len;
}
ops[dir].tu_fifo_advance(f, total_len - rem);
}
static void process_setup_packet(uint8_t rhport)
{
uint32_t *p = (void*)&_dcd.setup_packet;
@ -279,8 +304,12 @@ static bool handle_xfer_in(uint_fast8_t ep_addr)
void *buf = pipe->buf;
// TU_LOG1(" %p mps %d len %d rem %d\n", buf, mps, len, rem);
if (len) {
if (_dcd.pipe_buf_is_fifo[TUSB_DIR_IN] & TU_BIT(epnum_minus1)) {
pipe_read_write_packet_ff(buf, &USB0->FIFO1_WORD + epnum_minus1, len, TUSB_DIR_IN);
} else {
pipe_write_packet(buf, &USB0->FIFO1_WORD + epnum_minus1, len);
pipe->buf = buf + len;
}
pipe->remaining = rem - len;
}
regs->TXCSRL = USB_TXCSRL1_TXRDY;
@ -303,8 +332,12 @@ static bool handle_xfer_out(uint_fast8_t ep_addr)
const unsigned len = TU_MIN(TU_MIN(rem, mps), vld);
void *buf = pipe->buf;
if (len) {
if (_dcd.pipe_buf_is_fifo[TUSB_DIR_OUT] & TU_BIT(epnum_minus1)) {
pipe_read_write_packet_ff(buf, &USB0->FIFO1_WORD + epnum_minus1, len, TUSB_DIR_OUT);
} else {
pipe_read_packet(buf, &USB0->FIFO1_WORD + epnum_minus1, len);
pipe->buf = buf + len;
}
pipe->remaining = rem - len;
}
if ((len < mps) || (rem == len)) {
@ -725,12 +758,13 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t t
(void)rhport;
bool ret;
// TU_LOG1("X %x %d\n", ep_addr, total_bytes);
unsigned const epnum = tu_edpt_number(ep_addr);
unsigned const ie = NVIC_GetEnableIRQ(USB0_IRQn);
NVIC_DisableIRQ(USB0_IRQn);
if (tu_edpt_number(ep_addr))
if (epnum) {
_dcd.pipe_buf_is_fifo[tu_edpt_dir(ep_addr)] &= ~TU_BIT(epnum - 1);
ret = edpt_n_xfer(rhport, ep_addr, buffer, total_bytes);
else
} else
ret = edpt0_xfer(rhport, ep_addr, buffer, total_bytes);
if (ie) NVIC_EnableIRQ(USB0_IRQn);
return ret;
@ -739,11 +773,17 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t t
// Submit a transfer where is managed by FIFO, When complete dcd_event_xfer_complete() is invoked to notify the stack - optional, however, must be listed in usbd.c
bool dcd_edpt_xfer_fifo(uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16_t total_bytes)
{
(void) rhport;
(void) ep_addr;
(void) ff;
(void) total_bytes;
return false;
(void)rhport;
bool ret;
// TU_LOG1("X %x %d\n", ep_addr, total_bytes);
unsigned const epnum = tu_edpt_number(ep_addr);
TU_ASSERT(epnum);
unsigned const ie = NVIC_GetEnableIRQ(USB0_IRQn);
NVIC_DisableIRQ(USB0_IRQn);
_dcd.pipe_buf_is_fifo[tu_edpt_dir(ep_addr)] |= TU_BIT(epnum - 1);
ret = edpt_n_xfer(rhport, ep_addr, (uint8_t*)ff, total_bytes);
if (ie) NVIC_EnableIRQ(USB0_IRQn);
return ret;
}
// Stall endpoint