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fixed a OUT transfer did not completed multiple of the max packet size

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kkitayam
2021-03-27 16:03:04 +09:00
parent e48b2c681e
commit a1f1941c3f
1 changed files with 6 additions and 4 deletions
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8
src/portable/renesas/usba/dcd_usba.c
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@@ -261,7 +261,7 @@ static int write_fifo(volatile void *fifo, pipe_state_t* pipe, unsigned mps)
return 0; return 0;
} }
/* 1 if the number of bytes read is less than 64 bytes /* 1 if the number of bytes read is less than mps bytes
* 0 otherwise */ * 0 otherwise */
static int read_fifo(volatile void *fifo, pipe_state_t* pipe, unsigned mps, size_t len) static int read_fifo(volatile void *fifo, pipe_state_t* pipe, unsigned mps, size_t len)
{ {
@@ -272,12 +272,14 @@ static int read_fifo(volatile void *fifo, pipe_state_t* pipe, unsigned mps, size
hw_fifo_t *reg = (hw_fifo_t*)fifo; hw_fifo_t *reg = (hw_fifo_t*)fifo;
uintptr_t addr = pipe->addr; uintptr_t addr = pipe->addr;
while (len--) { unsigned loop = len;
while (loop--) {
*(uint8_t *)addr = reg->u8; *(uint8_t *)addr = reg->u8;
++addr; ++addr;
} }
pipe->addr = addr; pipe->addr = addr;
if (rem < mps) return 1; if (rem < mps) return 1;
if (rem == len) return 2;
return 0; return 0;
} }
@@ -419,7 +421,7 @@ static bool process_pipe_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer,
*ctr = USB_PIPECTR_PID_BUF; *ctr = USB_PIPECTR_PID_BUF;
} }
} }
//TU_LOG1("X %x %d\r\n", ep_addr, total_bytes); // TU_LOG1("X %x %d\r\n", ep_addr, total_bytes);
return true; return true;
} }