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1 #ifndef CYGONCE_DEVS_SERIAL_RS232_MN10300_SERIAL_MN10300_2_HXX |
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2 #define CYGONCE_DEVS_SERIAL_RS232_MN10300_SERIAL_MN10300_2_HXX |
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3 |
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4 //========================================================================== |
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5 // |
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6 // serial_mn10300_2.hxx |
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7 // |
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8 // Header file for the mn10300 serial port #2 |
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9 // |
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10 //========================================================================== |
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11 //####COPYRIGHTBEGIN#### |
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12 // |
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13 // ------------------------------------------- |
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14 // The contents of this file are subject to the Cygnus eCos Public License |
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15 // Version 1.0 (the "License"); you may not use this file except in |
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16 // compliance with the License. You may obtain a copy of the License at |
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17 // http://sourceware.cygnus.com/ecos |
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18 // |
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19 // Software distributed under the License is distributed on an "AS IS" |
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20 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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21 // License for the specific language governing rights and limitations under |
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22 // the License. |
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23 // |
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24 // The Original Code is eCos - Embedded Cygnus Operating System, released |
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25 // September 30, 1998. |
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26 // |
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27 // The Initial Developer of the Original Code is Cygnus. Portions created |
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28 // by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved. |
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29 // ------------------------------------------- |
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30 // |
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31 //####COPYRIGHTEND#### |
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32 //========================================================================== |
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33 //#####DESCRIPTIONBEGIN#### |
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34 // |
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35 // Author(s): proven |
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36 // Contributors: proven |
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37 // Date: 1998-04-22 |
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38 // Purpose: Define Cyg_Device_Serial_mn10300_2 data structure |
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39 // Description: This file contains the C++ class declaration of |
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40 // Cyg_Device_Serial_mn10300_2. There can be only one. |
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41 // Usage: #include <cyg/devs/serial/rs232/mn10300/serial_mn10300_2.hxx> |
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42 // |
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43 //####DESCRIPTIONEND#### |
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44 // |
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45 //========================================================================== |
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46 |
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47 #include <pkgconf/devs.h> // Device configureation file |
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48 |
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49 #ifdef CYG_DEVICE_SERIAL_RS232_MN10300_2 |
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50 // Include Configureation options specific to the device |
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51 #include CYG_DEVICE_SERIAL_RS232_MN10300_2 |
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52 |
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53 #include <cyg/kernel/ktypes.h> |
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54 #include <cyg/infra/cyg_ass.h> // assertion macros |
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55 #include <cyg/infra/cyg_trac.h> // tracing macros |
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56 |
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57 #include <cyg/kernel/intr.hxx> // Cyg_ISR, Cyg_DSR |
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58 #include <cyg/kernel/sched.hxx> // intr.hxx |
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59 #include <cyg/kernel/sched.inl> // intr.hxx |
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60 #include <cyg/hal/hal_intr.h> // vectors |
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61 #ifdef CYG_DEVICE_SERIAL_RS232_MUTEX |
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62 #include <cyg/kernel/mutex.hxx> |
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63 #endif |
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64 #include <cyg/devs/serial/rs232/common/rs232.hxx> |
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65 |
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66 // ------------------------------------------------------------------------- |
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67 // The mn10300 serial 2 device is unique. |
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68 |
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69 #ifdef CYG_DEVICE_INTERNAL |
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70 // Define the serial registers. |
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71 #define CYG_DEVICE_SERIAL_RS232_CR ((volatile cyg_uint16 *)0x34000820) |
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72 #define CYG_DEVICE_SERIAL_RS232_ICR ((volatile cyg_uint8 *) 0x34000824) |
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73 #define CYG_DEVICE_SERIAL_RS232_TXR ((volatile cyg_uint8 *) 0x34000828) |
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74 #define CYG_DEVICE_SERIAL_RS232_RXR ((volatile cyg_uint8 *) 0x34000829) |
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75 |
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76 #define CYG_DEVICE_SERIAL_RS232_SR_ADDR 0x3400082c |
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77 #define CYG_DEVICE_SERIAL_RS232_SR_SIZE cyg_uint8 |
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78 #define CYG_DEVICE_SERIAL_RS232_SR \ |
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79 ((volatile CYG_DEVICE_SERIAL_RS232_SR_SIZE *) CYG_DEVICE_SERIAL_RS232_SR_ADDR) |
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80 |
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81 #define CYG_DEVICE_SERIAL_RS232_TR ((volatile cyg_uint8 *) 0x3400082d) |
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82 |
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83 // Timer 2 provides the baud rate divisor for serial 2 exclusivly |
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84 #define TIMER2_MD ((volatile cyg_uint8 *)0x34001002) |
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85 #define TIMER2_BR ((volatile cyg_uint8 *)0x34001012) |
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86 #define TIMER2_CR ((volatile cyg_uint8 *)0x34001022) |
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87 |
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88 #define PORT3_MD ((volatile cyg_uint8 *)0x36008025) |
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89 |
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90 |
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91 #define CYG_DEVICE_SERIAL_RS232_TVEC CYG_VECTOR_SERIAL_2_TX |
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92 #define CYG_DEVICE_SERIAL_RS232_RVEC CYG_VECTOR_SERIAL_2_RX |
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93 |
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94 // Here are the values for the timers to set the various baud rates |
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95 // Timer 1 is the serial 2 timer register (division ratio 2) |
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96 // The values for 9600, 19200 and 38400 match thos used by CygMon. |
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97 // (Matsushita suggested values in comment.) |
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98 #define CYG_DEVICE_SERIAL_RS232_T1_VALUE_B0 0 |
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99 #define CYG_DEVICE_SERIAL_RS232_T1_VALUE_B600 126 |
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100 #define CYG_DEVICE_SERIAL_RS232_T1_VALUE_B1200 125 |
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101 #define CYG_DEVICE_SERIAL_RS232_T1_VALUE_B2400 124 |
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102 #define CYG_DEVICE_SERIAL_RS232_T1_VALUE_B4800 124 |
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103 #define CYG_DEVICE_SERIAL_RS232_T1_VALUE_B9600 70 // 119 |
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104 #define CYG_DEVICE_SERIAL_RS232_T1_VALUE_B19200 70 // 111 |
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105 #define CYG_DEVICE_SERIAL_RS232_T1_VALUE_B38400 22 // 97 |
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106 #define CYG_DEVICE_SERIAL_RS232_T1_VALUE_B57600 88 |
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107 #define CYG_DEVICE_SERIAL_RS232_T1_VALUE_B115200 64 |
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108 #define CYG_DEVICE_SERIAL_RS232_T1_VALUE_B230400 64 |
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109 #define CYG_DEVICE_SERIAL_RS232_T1_VALUE_B460800 32 |
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110 |
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111 // Timer 2 is the 8 bit timer 2 register (division ratio 1) |
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112 #define CYG_DEVICE_SERIAL_RS232_T2_VALUE_B0 0 |
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113 #define CYG_DEVICE_SERIAL_RS232_T2_VALUE_B600 196 |
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114 #define CYG_DEVICE_SERIAL_RS232_T2_VALUE_B1200 98 |
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115 #define CYG_DEVICE_SERIAL_RS232_T2_VALUE_B2400 49 |
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116 #define CYG_DEVICE_SERIAL_RS232_T2_VALUE_B4800 24 |
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117 #define CYG_DEVICE_SERIAL_RS232_T2_VALUE_B9600 21 // 12 |
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118 #define CYG_DEVICE_SERIAL_RS232_T2_VALUE_B19200 10 // 6 |
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119 #define CYG_DEVICE_SERIAL_RS232_T2_VALUE_B38400 16 // 3 |
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120 #define CYG_DEVICE_SERIAL_RS232_T2_VALUE_B57600 2 |
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121 #define CYG_DEVICE_SERIAL_RS232_T2_VALUE_B115200 1 |
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122 #define CYG_DEVICE_SERIAL_RS232_T2_VALUE_B230400 0 |
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123 #define CYG_DEVICE_SERIAL_RS232_T2_VALUE_B460800 0 |
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124 |
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125 // Now set the default baudrate |
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126 #ifndef CYG_DEVICE_SERIAL_RS232_MN10300_2_DEFAULT_BAUD_RATE |
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127 #error "Must specify a default baud rate" |
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128 #else |
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129 #if ((CYG_DEVICE_SERIAL_RS232_MN10300_2_DEFAULT_BAUD_RATE > 0) && \ |
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130 (CYG_DEVICE_SERIAL_RS232_MN10300_2_DEFAULT_BAUD_RATE < 600)) |
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131 #error "Baud rates less than 600 are not supported for the mn10300 at this time" |
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132 #endif |
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133 #define CYG_DEVICE_SERIAL_RS232_DEFAULT_BAUD_RATE \ |
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134 CYG_DEVICE_SERIAL_RS232_MN10300_2_DEFAULT_BAUD_RATE |
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135 #endif // CYG_DEVICE_SERIAL_RS232_MN10300_2_DEFAULT_BAUD_RATE |
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136 |
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137 #include <cyg/devs/serial/rs232/common/baud.h> |
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138 |
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139 #endif // CYG_DEVICE_INTERNAL |
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140 |
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141 // ------------------------------------------------------------------------- |
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142 // Cyg_Device_Serial_RS232_mn10300_2 |
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143 |
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144 #define CYG_CLASS_DEVICE_SERIAL_RS232_MN10300_2 Cyg_Device_Serial_RS232_mn10300_2 |
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145 |
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146 class CYG_CLASS_DEVICE_SERIAL_RS232_MN10300_2 |
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147 : public Cyg_Device_Serial_RS232 |
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148 { |
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149 #ifdef CYG_DEVICE_INTERNAL |
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150 #include <cyg/devs/serial/rs232/common/rs232.ht> |
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151 #endif |
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152 |
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153 protected: |
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154 /* Internal routines */ |
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155 cyg_int32 io_read(Cyg_IORB * iorb); |
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156 cyg_int32 io_write(Cyg_IORB * iorb); |
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157 void io_write_flush(void); |
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158 |
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159 public: |
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160 |
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161 /* Constructor */ |
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162 CYG_CLASS_DEVICE_SERIAL_RS232_MN10300_2(); |
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163 |
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164 cyg_int32 io_read_cancel(Cyg_IORB * iorb); |
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165 cyg_int32 io_write_cancel(Cyg_IORB * iorb); |
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166 |
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167 cyg_int32 io_read_assert(Cyg_IORB * iorb); |
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168 cyg_int32 io_write_assert(Cyg_IORB * iorb); |
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169 cyg_int32 io_read_blocking(Cyg_IORB * iorb); |
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170 cyg_int32 io_write_blocking(Cyg_IORB * iorb); |
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171 cyg_int32 io_read_asynchronous(Cyg_IORB * iorb); |
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172 cyg_int32 io_write_asynchronous(Cyg_IORB * iorb); |
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173 |
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174 cyg_int32 set_kmode(cyg_uint32); |
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175 cyg_int32 get_kmode(void); |
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176 |
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177 cyg_int32 set_baud_rate(cyg_uint32); |
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178 cyg_int32 get_baud_rate(void); |
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179 |
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180 cyg_int32 set_line_mode(cyg_uint32); |
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181 cyg_int32 get_line_mode(void); |
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182 |
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183 #ifdef CYG_DEVICE_SERIAL_RS232_MN10300_2_READ_MODES |
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184 cyg_int32 set_read_mode(cyg_uint32); |
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185 cyg_int32 set_read_data(cyg_uint32 /* mode */, const char * /* data */, cyg_uint32 /* count */); |
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186 #endif |
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187 #ifdef CYG_DEVICE_SERIAL_RS232_MN10300_2_WRITE_MODES |
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188 cyg_int32 set_write_mode(cyg_uint32); |
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189 #endif |
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190 }; |
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191 |
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192 // Declare exported variables |
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193 #ifdef CYG_DEVICE_SERIAL_RS232_MN10300_2_NAME |
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194 #ifdef CYG_DEVICE_SERIAL_RS232_MN10300_2_DECLARE |
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195 extern CYG_CLASS_DEVICE_SERIAL_RS232_MN10300_2 CYG_DEVICE_SERIAL_RS232_MN10300_2_NAME; |
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196 #endif |
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197 #endif |
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198 |
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199 #endif // CYG_DEVICE_SERIAL_RS232_MN10300_2 |
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200 |
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201 #endif // CYGONCE_DEVS_SERIAL_RS232_MN10300_SERIAL_MN10300_2_HXX |
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202 // End of serial_mn10300_2.hxx |
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203 |
