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annotate packages/hal/h8300/arch/current/src/sci.c @ 2729:74dbf4c3f2e1 after-copyright-change-20090129

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Update all copyright banners to reflect FSF ownership; fix and improve licence text.
author jlarmour
date Thu, 29 Jan 2009 17:47:46 +0000
parents 10851723ceff
children
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1 //=============================================================================
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2 //
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3 // sci.c
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4 //
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5 // Simple driver for the H8/300 Serial Communication Interface (SCI)
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6 //
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7 //=============================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //=============================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): ysato
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43 // Contributors:ysato
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44 // Date: 2002-03-21
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45 // Description: Simple driver for the H8/300 Serial Communication Interface
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46 // Clients of this file can configure the behavior with:
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47 // CYGNUM_SCI_PORTS: number of SCI ports
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48 //
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49 //####DESCRIPTIONEND####
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50 //
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51 //=============================================================================
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52
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53 #include <pkgconf/hal.h>
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54
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55 #ifdef CYGNUM_HAL_H8300_SCI_PORTS
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56
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57 #include <cyg/hal/hal_io.h> // IO macros
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58 #include <cyg/hal/drv_api.h> // CYG_ISR_HANDLED
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59 #include <cyg/hal/hal_misc.h> // Helper functions
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60 #include <cyg/hal/hal_intr.h> // HAL_ENABLE/MASK/UNMASK_INTERRUPTS
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61 #include <cyg/hal/hal_arch.h> // SAVE/RESTORE GP
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62 #include <cyg/hal/hal_if.h> // Calling-if API
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63 #include <cyg/hal/mod_regs_sci.h> // serial register definitions
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64
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65 #include <cyg/hal/h8_sci.h> // our header
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66
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67 //--------------------------------------------------------------------------
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68
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69 void
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70 cyg_hal_plf_sci_init_channel(void* chan)
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71 {
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72 cyg_uint8 tmp;
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73 cyg_uint8* base = ((channel_data_t *)chan)->base;
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74
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75 // Disable Tx/Rx interrupts, but enable Tx/Rx
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76 HAL_WRITE_UINT8(base+_REG_SCSCR,
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77 CYGARC_REG_SCSCR_TE|CYGARC_REG_SCSCR_RE);
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78
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79 // 8-1-no parity.
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80 HAL_WRITE_UINT8(base+_REG_SCSMR, 0);
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81
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82 // Set speed to CYGNUM_HAL_H8300_SCI_DEFAULT_BAUD_RATE
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83 HAL_READ_UINT8(base+_REG_SCSMR, tmp);
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84 tmp &= ~CYGARC_REG_SCSMR_CKSx_MASK;
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85 tmp |= CYGARC_SCBRR_CKSx(CYGNUM_HAL_H8300_SCI_BAUD_RATE);
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86 HAL_WRITE_UINT8(base+_REG_SCSMR, tmp);
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87 HAL_WRITE_UINT8(base+_REG_SCBRR, CYGARC_SCBRR_N(CYGNUM_HAL_H8300_SCI_BAUD_RATE));
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88 }
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89
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90 static cyg_bool
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91 cyg_hal_plf_sci_getc_nonblock(void* __ch_data, cyg_uint8* ch)
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92 {
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93 cyg_uint8* base = ((channel_data_t*)__ch_data)->base;
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94 cyg_uint8 sr;
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95
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96 HAL_READ_UINT8(base+_REG_SCSSR, sr);
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97 if (sr & CYGARC_REG_SCSSR_ORER) {
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98 // Serial RX overrun. Clear error and let caller try again.
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99 HAL_WRITE_UINT8(base+_REG_SCSSR,
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100 CYGARC_REG_SCSSR_CLEARMASK & ~CYGARC_REG_SCSSR_ORER);
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101 return false;
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102 }
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103
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104 if ((sr & CYGARC_REG_SCSSR_RDRF) == 0)
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105 return false;
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106
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107 HAL_READ_UINT8(base+_REG_SCRDR, *ch);
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108
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109 // Clear buffer full flag.
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110 HAL_WRITE_UINT8(base+_REG_SCSSR, sr & ~CYGARC_REG_SCSSR_RDRF);
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111 return true;
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112 }
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113
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114 cyg_uint8
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115 cyg_hal_plf_sci_getc(void* __ch_data)
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116 {
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117 cyg_uint8 ch;
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118 CYGARC_HAL_SAVE_GP();
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119
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120 while(!cyg_hal_plf_sci_getc_nonblock(__ch_data, &ch));
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121
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122 CYGARC_HAL_RESTORE_GP();
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123 return ch;
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124 }
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125
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126 void
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127 cyg_hal_plf_sci_putc(void* __ch_data, cyg_uint8 c)
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128 {
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129 cyg_uint8* base = ((channel_data_t*)__ch_data)->base;
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130 cyg_uint8 sr;
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131 CYGARC_HAL_SAVE_GP();
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132
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133 do {
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134 HAL_READ_UINT8(base+_REG_SCSSR, sr);
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135 } while ((sr & CYGARC_REG_SCSSR_TDRE) == 0);
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136
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137 HAL_WRITE_UINT8(base+_REG_SCTDR, c);
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138
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139 // Clear empty flag.
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140 HAL_WRITE_UINT8(base+_REG_SCSSR, sr & ~CYGARC_REG_SCSSR_TDRE);
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141
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diff changeset
142 // Hang around until the character has been safely sent.
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
143 do {
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
144 HAL_READ_UINT8(base+_REG_SCSSR, sr);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
145 } while ((sr & CYGARC_REG_SCSSR_TDRE) == 0);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
146
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
147 CYGARC_HAL_RESTORE_GP();
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diff changeset
148 }
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
149
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
150
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
151 static channel_data_t channels[CYGNUM_HAL_H8300_SCI_PORTS];
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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152
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
153 static void
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
154 cyg_hal_plf_sci_write(void* __ch_data, const cyg_uint8* __buf,
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
155 cyg_uint32 __len)
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
156 {
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
157 CYGARC_HAL_SAVE_GP();
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
158
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
159 while(__len-- > 0)
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
160 cyg_hal_plf_sci_putc(__ch_data, *__buf++);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
161
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
162 CYGARC_HAL_RESTORE_GP();
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
163 }
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
164
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
165 static void
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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166 cyg_hal_plf_sci_read(void* __ch_data, cyg_uint8* __buf, cyg_uint32 __len)
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
167 {
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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168 CYGARC_HAL_SAVE_GP();
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
169
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
170 while(__len-- > 0)
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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171 *__buf++ = cyg_hal_plf_sci_getc(__ch_data);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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172
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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173 CYGARC_HAL_RESTORE_GP();
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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174 }
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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175
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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176 cyg_bool
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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177 cyg_hal_plf_sci_getc_timeout(void* __ch_data, cyg_uint8* ch)
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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178 {
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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179 channel_data_t* chan = (channel_data_t*)__ch_data;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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180 int delay_count;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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181 cyg_bool res;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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182 CYGARC_HAL_SAVE_GP();
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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183
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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184 delay_count = chan->msec_timeout * 20; // delay in .1 ms steps
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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185
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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186 for(;;) {
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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187 res = cyg_hal_plf_sci_getc_nonblock(__ch_data, ch);
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188 if (res || 0 == delay_count--)
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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189 break;
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190
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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191 CYGACC_CALL_IF_DELAY_US(50);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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192 }
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
193
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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194 CYGARC_HAL_RESTORE_GP();
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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195 return res;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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196 }
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
197
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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198 static int
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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199 cyg_hal_plf_sci_control(void *__ch_data, __comm_control_cmd_t __func, ...)
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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200 {
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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201 static int irq_state = 0;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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202 channel_data_t* chan = (channel_data_t*)__ch_data;
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203 cyg_uint8 scr;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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204 int ret = 0;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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205 CYGARC_HAL_SAVE_GP();
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
206
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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207 switch (__func) {
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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208 case __COMMCTL_IRQ_ENABLE:
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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209 irq_state = 1;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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210 HAL_INTERRUPT_UNMASK(chan->isr_vector);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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211 break;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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212 case __COMMCTL_IRQ_DISABLE:
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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213 ret = irq_state;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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214 irq_state = 0;
1569
10851723ceff * src/context.S
asl
parents: 1281
diff changeset
215 HAL_INTERRUPT_MASK(chan->isr_vector);
1281
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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216 break;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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217 case __COMMCTL_DBG_ISR_VECTOR:
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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218 ret = chan->isr_vector;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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219 break;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
220 case __COMMCTL_SET_TIMEOUT:
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
221 {
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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222 va_list ap;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
223
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
224 va_start(ap, __func);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
225
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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226 ret = chan->msec_timeout;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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227 chan->msec_timeout = va_arg(ap, cyg_uint32);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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228
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
229 va_end(ap);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
230 }
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
231 default:
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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232 break;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
233 }
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
234 CYGARC_HAL_RESTORE_GP();
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
235 return ret;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
236 }
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
237
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
238 static int
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
239 cyg_hal_plf_sci_isr(void *__ch_data, int* __ctrlc,
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
240 CYG_ADDRWORD __vector, CYG_ADDRWORD __data)
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
241 {
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
242 cyg_uint8 c, sr;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
243 cyg_uint8* base = ((channel_data_t*)__ch_data)->base;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
244 int res = 0;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
245 CYGARC_HAL_SAVE_GP();
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
246
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
247 *__ctrlc = 0;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
248 HAL_READ_UINT8(base+_REG_SCSSR, sr);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
249 if (sr & CYGARC_REG_SCSSR_ORER) {
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
250 // Serial RX overrun. Clear error and hope protocol recovers.
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
251 HAL_WRITE_UINT8(base+_REG_SCSSR,
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
252 CYGARC_REG_SCSSR_CLEARMASK & ~CYGARC_REG_SCSSR_ORER);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
253 res = CYG_ISR_HANDLED;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
254 } else if (sr & CYGARC_REG_SCSSR_RDRF) {
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
255 // Received character
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
256 HAL_READ_UINT8(base+_REG_SCRDR, c);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
257
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
258 // Clear buffer full flag.
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
259 HAL_WRITE_UINT8(base+_REG_SCSSR,
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
260 CYGARC_REG_SCSSR_CLEARMASK & ~CYGARC_REG_SCSSR_RDRF);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
261
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
262 if( cyg_hal_is_break( &c , 1 ) )
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
263 *__ctrlc = 1;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
264
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
265 res = CYG_ISR_HANDLED;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
266 }
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
267
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
268 CYGARC_HAL_RESTORE_GP();
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
269 return res;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
270 }
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
271
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
272 void
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
273 cyg_hal_plf_sci_init(int sci_index, int comm_index,
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
274 int rcv_vect, cyg_uint8* base)
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
275 {
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
276 channel_data_t* chan = &channels[sci_index];
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
277 hal_virtual_comm_table_t* comm;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
278 int cur = CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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diff changeset
279
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
280 // Initialize channel table
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
281 chan->base = base;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
282 chan->isr_vector = rcv_vect;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
283 chan->msec_timeout = 1000;
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
284
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
285 // Disable interrupts.
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
286 HAL_INTERRUPT_MASK(chan->isr_vector);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
287
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
288 // Init channel
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
289
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
290 cyg_hal_plf_sci_init_channel(chan);
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
nickg
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diff changeset
291
f58b62f3c85d Apply Yoshinori Sato's H8/300 patches plus a few of my own.
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292 // Setup procs in the vector table
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293
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294 // Initialize channel procs
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295 CYGACC_CALL_IF_SET_CONSOLE_COMM(comm_index);
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296 comm = CYGACC_CALL_IF_CONSOLE_PROCS();
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297 CYGACC_COMM_IF_CH_DATA_SET(*comm, chan);
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298 CYGACC_COMM_IF_WRITE_SET(*comm, cyg_hal_plf_sci_write);
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299 CYGACC_COMM_IF_READ_SET(*comm, cyg_hal_plf_sci_read);
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300 CYGACC_COMM_IF_PUTC_SET(*comm, cyg_hal_plf_sci_putc);
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301 CYGACC_COMM_IF_GETC_SET(*comm, cyg_hal_plf_sci_getc);
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302 CYGACC_COMM_IF_CONTROL_SET(*comm, cyg_hal_plf_sci_control);
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303 CYGACC_COMM_IF_DBG_ISR_SET(*comm, cyg_hal_plf_sci_isr);
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304 CYGACC_COMM_IF_GETC_TIMEOUT_SET(*comm, cyg_hal_plf_sci_getc_timeout);
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305
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306 // Restore original console
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307 CYGACC_CALL_IF_SET_CONSOLE_COMM(cur);
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308 }
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309
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310 #endif // CYGNUM_HAL_H8300_SCI_PORTS
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311
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312 //-----------------------------------------------------------------------------
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313 // end of sci.c