FreeCalypso > hg > fc-magnetite
view src/cs/drivers/drv_core/sys_types.h @ 680:ee3ac8c617cb
armio.c: set GPIO2 output high initially
On TI-canonical platforms GPIO2 is DCD modem control output. In TI's
original code the AI_InitIOConfig() function called from Init_Target()
would configure GPIO2 as an output and set the initial output value to
low, but then the init code in uartfax.c called from Init_Serial_Flows()
would immediately change it to high, corresponding to DCD not asserted.
The result is a momentary asserted-state glitch on the DCD output.
The present change eliminates this glitch, setting DCD output to
not-asserted initially like it should be.
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Thu, 25 Jun 2020 03:17:43 +0000 |
| parents | 945cf7f506b2 |
| children |
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/********************************************************** * GSM/GPRS TI S/W software * * Filename sys_types.h * * * Redefine the types for the TI GSM/GPRS system software * **********************************************************/ #ifndef __SYS_TYPES_H__ #define __SYS_TYPES_H__ typedef unsigned char SYS_BOOL; typedef unsigned char SYS_UWORD8; typedef signed char SYS_WORD8; typedef unsigned short SYS_UWORD16; typedef short SYS_WORD16; typedef unsigned long SYS_UWORD32; typedef long SYS_WORD32; typedef void (*SYS_FUNC)(void); /* pointer to a function */ #endif /* __SYS_TYPES_H__ */