1 | /* |
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2 | * This file contains the debug IO support. |
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3 | * |
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4 | * COPYRIGHT (c) 1998 by Radstone Technology |
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5 | * |
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6 | * |
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7 | * THIS FILE IS PROVIDED TO YOU, THE USER, "AS IS", WITHOUT WARRANTY OF ANY |
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8 | * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE |
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9 | * IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK |
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10 | * AS TO THE QUALITY AND PERFORMANCE OF ALL CODE IN THIS FILE IS WITH YOU. |
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11 | * |
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12 | * You are hereby granted permission to use, copy, modify, and distribute |
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13 | * this file, provided that this notice, plus the above copyright notice |
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14 | * and disclaimer, appears in all copies. Radstone Technology will provide |
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15 | * no support for this code. |
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16 | * |
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17 | * COPYRIGHT (c) 1989-1997. |
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18 | * On-Line Applications Research Corporation (OAR). |
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19 | * |
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20 | * The license and distribution terms for this file may be |
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21 | * found in the file LICENSE in this distribution or at |
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22 | * http://www.rtems.com/license/LICENSE. |
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23 | * |
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24 | * $Id$ |
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25 | */ |
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26 | |
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27 | #include <bsp.h> |
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28 | #include <rtems/libio.h> |
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29 | #include <stdlib.h> |
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30 | #include <assert.h> |
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31 | #include <termios.h> |
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32 | |
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33 | #include <libchip/serial.h> |
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34 | |
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35 | /* |
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36 | * Load configuration table |
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37 | */ |
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38 | |
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39 | extern console_data Console_Port_Data[]; |
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40 | extern rtems_device_minor_number Console_Port_Minor; |
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41 | |
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42 | /* PAGE |
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43 | * |
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44 | * DEBUG_puts |
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45 | * |
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46 | * This should be safe in the event of an error. It attempts to ensure |
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47 | * that no TX empty interrupts occur while it is doing polled IO. Then |
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48 | * it restores the state of that external interrupt. |
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49 | * |
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50 | * Input parameters: |
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51 | * string - pointer to debug output string |
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52 | * |
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53 | * Output parameters: NONE |
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54 | * |
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55 | * Return values: NONE |
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56 | */ |
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57 | |
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58 | void DEBUG_puts( |
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59 | char *string |
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60 | ) |
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61 | { |
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62 | char *s; |
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63 | uint32_t Irql; |
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64 | |
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65 | rtems_interrupt_disable(Irql); |
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66 | |
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67 | for ( s = string ; *s ; s++ ) { |
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68 | Console_Port_Tbl[Console_Port_Minor].pDeviceFns-> |
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69 | deviceWritePolled(Console_Port_Minor, *s); |
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70 | } |
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71 | |
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72 | rtems_interrupt_enable(Irql); |
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73 | } |
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74 | |
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75 | /* PAGE |
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76 | * |
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77 | * DEBUG_puth |
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78 | * |
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79 | * This should be safe in the event of an error. It attempts to ensure |
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80 | * that no TX empty interrupts occur while it is doing polled IO. Then |
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81 | * it restores the state of that external interrupt. |
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82 | * |
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83 | * Input parameters: |
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84 | * ulHexNum - value to display |
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85 | * |
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86 | * Output parameters: NONE |
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87 | * |
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88 | * Return values: NONE |
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89 | */ |
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90 | |
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91 | void DEBUG_puth( |
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92 | uint32_t ulHexNum |
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93 | ) |
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94 | { |
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95 | unsigned long i,d; |
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96 | uint32_t Irql; |
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97 | void (*poll)(int minor, char cChar); |
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98 | |
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99 | poll = Console_Port_Tbl[Console_Port_Minor].pDeviceFns->deviceWritePolled; |
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100 | |
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101 | rtems_interrupt_disable(Irql); |
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102 | |
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103 | (*poll)(Console_Port_Minor, '0'); |
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104 | (*poll)(Console_Port_Minor, 'x'); |
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105 | |
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106 | for ( i=32 ; i ; ) { |
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107 | i -= 4; |
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108 | d = (ulHexNum>>i)&0xf; |
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109 | (*poll)(Console_Port_Minor, (d<=9) ? d+'0' : d+'a'-0xa); |
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110 | } |
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111 | rtems_interrupt_enable(Irql); |
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112 | } |
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