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remove a reundant MIN(), and reduce the buffer. We really don't need 16k for this. It seems to work reliably at full speed.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16491 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Frank Gevaerts 2008-03-02 22:12:51 +00:00
parent 2aa48042e5
commit 8abe9cffe4
1 changed files with 2 additions and 2 deletions
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4
firmware/usbstack/usb_serial.c
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@ -27,7 +27,7 @@
#ifdef USB_SERIAL
#define BUFFER_SIZE 16384 /* No larger, because of controller limitations */
#define BUFFER_SIZE 512 /* Max 16k because of controller limitations */
static unsigned char _send_buffer[BUFFER_SIZE] __attribute__((aligned(32)));
static unsigned char* send_buffer;
@ -83,7 +83,7 @@ void usb_serial_send(unsigned char *data,int length)
/* current buffer wraps, so new data can't */
int available_space = BUFFER_SIZE - buffer_length;
length=MIN(length,available_space);
memcpy(&send_buffer[(buffer_start+buffer_length)%BUFFER_SIZE],data,MIN(length,available_space));
memcpy(&send_buffer[(buffer_start+buffer_length)%BUFFER_SIZE],data,length);
buffer_length+=length;
}
else