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OMAP3 zoom2 Use usbtty if the debug board is not connected.

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The preferred serial output comes from the debug board.
When the debug board is disconnected, fall back on using
usbtty from the usb connector on the Zoom2 board.

This shows up as /dev/ttyACM0 in a linux host.

Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
This commit is contained in:
Tom Rix
2009-10-31 12:37:45 -05:00
committed by Remy Bohmer
parent 6299487ef5
commit 2ec1abea43
3 changed files with 37 additions and 4 deletions
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12
include/serial.h
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@ -67,9 +67,21 @@ extern int serial_assign(char * name);
extern void serial_reinit_all(void);
/* For usbtty */
#ifdef CONFIG_USB_TTY
extern int usbtty_getc(void);
extern void usbtty_putc(const char c);
extern void usbtty_puts(const char *str);
extern int usbtty_tstc(void);
#else
/* stubs */
#define usbtty_getc() 0
#define usbtty_putc(a)
#define usbtty_puts(a)
#define usbtty_tstc() 0
#endif /* CONFIG_USB_TTY */
#endif