FreeCalypso > hg > fc-magnetite
view src/cs/layer1/gtt_include/l1gtt_signa.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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/************* Revision Controle System Header ************* * GSM Layer 1 software * L1GTT_SIGNA.H * * Filename l1gtt_signa.h * Copyright 2003 (C) Texas Instruments * ************* Revision Controle System Header *************/ #if (L1_GTT == 1) #define P_GTT ( 0x19 ) // Messages Upper layer <-> L1A #define MMI_GTT_START_REQ ( ( P_GTT << 8 ) | 1 ) #define MMI_GTT_START_CON ( ( P_GTT << 8 ) | 2 ) #define MMI_GTT_STOP_REQ ( ( P_GTT << 8 ) | 3 ) #define MMI_GTT_STOP_CON ( ( P_GTT << 8 ) | 4 ) // Messages L1S <-> L1A #define L1_GTT_START_CON ( ( P_GTT << 8 ) | 5 ) #define L1_GTT_STOP_CON ( ( P_GTT << 8 ) | 6 ) // Test messages #define TST_CLOSE_GTT_LOOP_REQ ( ( P_GTT << 8 ) | 7 ) #define TST_CLOSE_GTT_LOOP_CON ( ( P_GTT << 8 ) | 8 ) #define TST_OPEN_GTT_LOOP_REQ ( ( P_GTT << 8 ) | 9 ) #define TST_OPEN_GTT_LOOP_CON ( ( P_GTT << 8 ) | 10 ) #define TST_START_GTT_TEST_REQ ( ( P_GTT << 8 ) | 11 ) #define TST_START_GTT_TEST_CON ( ( P_GTT << 8 ) | 12 ) #define TST_STOP_GTT_TEST_REQ ( ( P_GTT << 8 ) | 13 ) #define TST_STOP_GTT_TEST_CON ( ( P_GTT << 8 ) | 14 ) #endif // L1_GTT == 1