packages/devs/serial/arm/lpc2xxx/v2_0/include/arm_lpc2xxx_ser.inl

   1 //==========================================================================
   2 //
   3 //      io/serial/arm/arm_lpc2xxx_ser.inl
   4 //
   5 //      ARM LPC2XXX Serial I/O definitions
   6 //
   7 //==========================================================================
   8 //####ECOSGPLCOPYRIGHTBEGIN####
   9 // -------------------------------------------
  10 // This file is part of eCos, the Embedded Configurable Operating System.
  11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
  12 // Copyright (C) 2004 eCosCentric Limited
  13 //
  14 // eCos is free software; you can redistribute it and/or modify it under
  15 // the terms of the GNU General Public License as published by the Free
  16 // Software Foundation; either version 2 or (at your option) any later version.
  17 //
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  19 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
  20 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  21 // for more details.
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  24 // with eCos; if not, write to the Free Software Foundation, Inc.,
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  26 //
  27 // As a special exception, if other files instantiate templates or use macros
  28 // or inline functions from this file, or you compile this file and link it
  29 // with other works to produce a work based on this file, this file does not
  30 // by itself cause the resulting work to be covered by the GNU General Public
  31 // License. However the source code for this file must still be made available
  32 // in accordance with section (3) of the GNU General Public License.
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  36 // -------------------------------------------
  37 //####ECOSGPLCOPYRIGHTEND####
  38 //==========================================================================
  39 //#####DESCRIPTIONBEGIN####
  40 //
  41 // Author(s):    jani
  42 // Contributors: gthomas, jlarmour
  43 // Date:         1999-02-04
  44 // Purpose:      LPC2XXX Serial I/O module (interrupt driven version)
  45 // Description:
  46 //
  47 //####DESCRIPTIONEND####
  48 //
  49 //==========================================================================
  50
  51 #include <cyg/hal/hal_intr.h>
  52
  53 //-----------------------------------------------------------------------------
  54 // Baud rate specification
  55
  56 static unsigned int select_baud[] = {
  57     9999,    // Unused
  58     50,
  59     75,
  60     110,
  61     134.5,
  62     150,
  63     200,
  64     300,
  65     600,
  66     1200,
  67     1800,
  68     2400,
  69     3600,
  70     4800,
  71     7200,
  72     9600,
  73     14400,
  74     19200,
  75     38400,
  76     57600,
  77     115200,
  78     230400
  79 };
  80
  81 // we need dynamically generated divider values because they depend on the
  82 // value of pclk which in turn is changeable
  83
  84 #define CYG_IO_SERIAL_GENERIC_16X5X_BAUD_GENERATOR \
  85             CYG_HAL_ARM_LPC2XXX_BAUD_GENERATOR
  86
  87 #ifdef CYGPKG_IO_SERIAL_ARM_LPC2XXX_SERIAL0
  88 static pc_serial_info lpc2xxx_serial_info0 =
  89   { CYGARC_HAL_LPC2XXX_REG_UART0_BASE,
  90     CYGNUM_HAL_INTERRUPT_UART0
  91   };
  92
  93 #if CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_BUFSIZE > 0
  94 static unsigned char
  95 lpc2xxx_serial_out_buf0[CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_BUFSIZE];
  96 static unsigned char
  97 lpc2xxx_serial_in_buf0[CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_BUFSIZE];
  98
  99 static SERIAL_CHANNEL_USING_INTERRUPTS(lpc2xxx_serial_channel0,
 100                                        pc_serial_funs,
 101                                        lpc2xxx_serial_info0,
 102                                        CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_BAUD),
 103                                        CYG_SERIAL_STOP_DEFAULT,
 104                                        CYG_SERIAL_PARITY_DEFAULT,
 105                                        CYG_SERIAL_WORD_LENGTH_DEFAULT,
 106                                        CYG_SERIAL_FLAGS_DEFAULT,
 107                                        &lpc2xxx_serial_out_buf0[0],
 108                                        sizeof(lpc2xxx_serial_out_buf0),
 109                                        &lpc2xxx_serial_in_buf0[0],
 110                                        sizeof(lpc2xxx_serial_in_buf0)
 111     );
 112 #else
 113 static SERIAL_CHANNEL(lpc2xxx_serial_channel0,
 114                       pc_serial_funs,
 115                       lpc2xxx_serial_info0,
 116                       CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL0_BAUD),
 117                       CYG_SERIAL_STOP_DEFAULT,
 118                       CYG_SERIAL_PARITY_DEFAULT,
 119                       CYG_SERIAL_WORD_LENGTH_DEFAULT,
 120                       CYG_SERIAL_FLAGS_DEFAULT
 121     );
 122 #endif
 123
 124 DEVTAB_ENTRY(lpc2xxx_serial_io0,
 125              CYGDAT_IO_SERIAL_ARM_LPC2XXX_SERIAL0_NAME,
 126              0,                     // Does not depend on a lower
 127                                     // level interface
 128              &cyg_io_serial_devio,
 129              pc_serial_init,
 130              pc_serial_lookup,     // Serial driver may need initializing
 131              &lpc2xxx_serial_channel0
 132     );
 133 #endif //  CYGPKG_IO_SERIAL_ARM_LPC2XXX_SERIAL0
 134
 135 #ifdef CYGPKG_IO_SERIAL_ARM_LPC2XXX_SERIAL1
 136 static pc_serial_info lpc2xxx_serial_info1 =
 137   { CYGARC_HAL_LPC2XXX_REG_UART1_BASE,
 138     CYGNUM_HAL_INTERRUPT_UART1
 139   };
 140 #if CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL1_BUFSIZE > 0
 141 static unsigned char
 142 lpc2xxx_serial_out_buf1[CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL1_BUFSIZE];
 143 static unsigned char
 144 lpc2xxx_serial_in_buf1[CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL1_BUFSIZE];
 145
 146 static SERIAL_CHANNEL_USING_INTERRUPTS(lpc2xxx_serial_channel1,
 147                                        pc_serial_funs,
 148                                        lpc2xxx_serial_info1,
 149                                        CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL1_BAUD),
 150                                        CYG_SERIAL_STOP_DEFAULT,
 151                                        CYG_SERIAL_PARITY_DEFAULT,
 152                                        CYG_SERIAL_WORD_LENGTH_DEFAULT,
 153                                        CYG_SERIAL_FLAGS_DEFAULT,
 154                                        &lpc2xxx_serial_out_buf1[0],
 155                                        sizeof(lpc2xxx_serial_out_buf1),
 156                                        &lpc2xxx_serial_in_buf1[0],
 157                                        sizeof(lpc2xxx_serial_in_buf1)
 158     );
 159 #else
 160 static SERIAL_CHANNEL(lpc2xxx_serial_channel1,
 161                       pc_serial_funs,
 162                       lpc2xxx_serial_info1,
 163                       CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_ARM_LPC2XXX_SERIAL1_BAUD),
 164                       CYG_SERIAL_STOP_DEFAULT,
 165                       CYG_SERIAL_PARITY_DEFAULT,
 166                       CYG_SERIAL_WORD_LENGTH_DEFAULT,
 167                       CYG_SERIAL_FLAGS_DEFAULT
 168     );
 169 #endif
 170
 171 DEVTAB_ENTRY(lpc2xxx_serial_io1,
 172              CYGDAT_IO_SERIAL_ARM_LPC2XXX_SERIAL1_NAME,
 173              0,                     // Does not depend on a lower
 174                                     // level interface
 175              &cyg_io_serial_devio,
 176              pc_serial_init,
 177              pc_serial_lookup,     // Serial driver may need initializing
 178              &lpc2xxx_serial_channel1
 179     );
 180 #endif //  CYGPKG_IO_SERIAL_ARM_LPC2XXX_SERIAL1
 181
 182 // EOF arm_lpc2xxx_ser.inl