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annotate src/cs/services/atp/atp_uart.c @ 0:92470e5d0b9e

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src: partial import from FC Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 01:28:16 +0000
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92470e5d0b9e src: partial import from FC Selenite
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1 /********************************************************************************/
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2 /* */
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3 /* File Name: atp_uart.c */
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4 /* */
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5 /* Purpose: This file contains the internal functions related to */
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6 /* the ATP-UART interface and used to utilize a COM port */
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7 /* under WIN32. */
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8 /* */
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9 /* Note: None. */
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10 /* */
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11 /* Revision History: */
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12 /* 10/04/01 Pascal Pompei */
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13 /* - Create. */
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14 /* */
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15 /* (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved. */
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16 /* */
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17 /********************************************************************************/
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18 #include "atp/atp_uart_i.h"
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19
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20
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21 /********************************************************************************/
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22 /* */
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23 /* Function Name: atp_uart_create_com_port */
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24 /* */
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25 /* Purpose: This function creates a COM port. */
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26 /* */
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27 /* Input Parameters: */
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28 /* com_port - Contains the COM port number. */
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29 /* baud_rate - Contains the baud rate (in bits per second). */
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30 /* */
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31 /* Output Parameters: None. */
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32 /* */
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33 /* Global Parameters: None. */
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34 /* */
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35 /* Note: None. */
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36 /* */
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37 /* Revision History: */
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38 /* 02/05/01 David Lamy-Charrier */
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39 /* - Create. */
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40 /* */
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41 /********************************************************************************/
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42 T_ATP_UART_ERROR_CODES atp_uart_create_com_port (T_ATP_UART_COM_PORT com_port,
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43 T_ATP_UART_BAUD_RATE baud_rate)
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44 {
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45 /* Declare local variables. */
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46 DCB control_settings;
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47 COMMTIMEOUTS timeouts = {MAXDWORD, \
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48 MAXDWORD, \
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49 0x0000000A, \
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50 0x00000000, \
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51 0x00000000};
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52
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53 /******************* atp_uart_create_com_port function begins *******************/
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54
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55 /* First, update the name associated with the COM port. */
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56 (gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_name[3] = (char) ('0' + com_port);
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57
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58 /* Then, create the COM port with the following parameters: */
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59 /* - Read/Write access, */
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60 /* - The COM port can not be shared and can not be opened again until the */
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61 /* handle is closed, */
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62 /* - The handle can not be inherited, */
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63 /* - The COM port is just opened (failed if does not exist), */
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64 /* - No specific file attributes, */
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65 /* - No template used. */
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66 (gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle = CreateFile ((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_name,
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67 (GENERIC_READ | GENERIC_WRITE),
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68 0x00000000,
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69 NULL,
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70 OPEN_EXISTING,
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71 0x00000000,
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72 NULL);
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73
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74 /* If any error occurred, then abort. */
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75 if ((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle == INVALID_HANDLE_VALUE)
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76 {
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77 return (RV_INVALID_PARAMETER);
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78 }
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79
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80 /* Otherwise, having created the COM port, get the default setting */
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81 /* information. However, if any error occurred, then remove the COM port */
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82 /* and abort. */
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83 control_settings.DCBlength = sizeof (DCB);
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84 if (GetCommState ((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle, \
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85 &control_settings) == FALSE)
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86 {
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87 (void) atp_uart_remove_com_port ();
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88 return (RV_INVALID_PARAMETER);
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89 }
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90
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91 /* Define the baud rate, as well as the DCB structure settings. */
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92 control_settings.BaudRate = baud_rate;
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93 control_settings.fOutxCtsFlow = TRUE;
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94 control_settings.fOutxDsrFlow = FALSE;
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95 control_settings.fDtrControl = DTR_CONTROL_ENABLE;
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96 control_settings.fDsrSensitivity = FALSE;
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97 control_settings.fRtsControl = RTS_CONTROL_HANDSHAKE;
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98
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99 /* Then, configure the COM port according to the specifications of the DCB */
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100 /* structure, set the timeout parameters for all read and write operations */
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101 /* on the COM port and discard all characters from the output and input */
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102 /* buffers. However, if any error occurred, then remove the COM port and */
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103 /* abort. */
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104 if ((SetCommState ((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle, \
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105 &control_settings) == FALSE) || \
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106 (SetCommTimeouts ((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle, \
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107 &timeouts) == FALSE) || \
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108 (PurgeComm ((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle, \
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109 (PURGE_RXCLEAR | PURGE_TXCLEAR | PURGE_RXABORT | PURGE_TXABORT)) == FALSE))
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110 {
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111 (void) atp_uart_remove_com_port ();
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112 return (RV_INTERNAL_ERR);
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113 }
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114 return (RV_OK);
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115
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116 } /****************** End of atp_uart_create_com_port function ******************/
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117
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118
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119 /********************************************************************************/
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120 /* */
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121 /* Function Name: atp_uart_write_com_port */
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122 /* */
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123 /* Purpose: This function writes data on the COM port. */
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124 /* */
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125 /* Input Parameters: */
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126 /* data_buffer_p - Pointer on the data to be written. */
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127 /* data_size - Contains the total byte count to be written. */
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128 /* */
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129 /* Output Parameters: None. */
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130 /* */
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131 /* Global Parameters: None. */
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132 /* */
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133 /* Note: Buffer de-allocation is outside the scope of this */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 /* function. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 /* Revision History: */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 /* 02/05/01 David Lamy-Charrier */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 /* - Create. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 /********************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 T_ATP_UART_ERROR_CODES atp_uart_write_com_port (UINT8 *data_buffer_p,
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 UINT32 data_size)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 /* Declare a local variable. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 UINT32 data_size_sent = 0x00000000;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 /******************** atp_uart_write_com_port function begins *******************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 /* Attempt writing data. If any error occurred, then abort. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 if (((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle == INVALID_HANDLE_VALUE) || \
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 (WriteFile ((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle, \
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 data_buffer_p, \
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 data_size, \
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 (unsigned long *) (&data_size_sent), \
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 NULL) == FALSE) || \
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 (data_size_sent != data_size))
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 return (RV_INVALID_PARAMETER);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 return (RV_OK);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 } /******************* End of atp_uart_write_com_port function ******************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 /********************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 /* Function Name: atp_uart_read_com_port */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 /* Purpose: This function reads data from the COM port. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 /* Input Parameters: */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 /* data_buffer_p - Pointer on the destination buffer. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 /* data_size_p - Pointer on the total byte count to be read. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 /* Output Parameters: None. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 /* data_size_p - Contains the total byte count read. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 /* Global Parameters: None. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 /* Notes: Buffer allocation is outside the scope of this */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 /* function Moreover, this function returns the total */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 /* byte count read, up to the expected value (from */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 /* 0x00000000 to 'data_size_p'). */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 /* Revision History: */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 /* 02/05/01 David Lamy-Charrier */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 /* - Create. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 /********************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 T_ATP_UART_ERROR_CODES atp_uart_read_com_port (UINT8 *data_buffer_p,
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 UINT32 *data_size_p)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 /* Declare a local variable. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 UINT32 data_size_read = 0x00000000;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 UINT32 total_data_size_read = 0x00000000;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 /******************** atp_uart_read_com_port function begins ********************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 /* First, check whether the COM port is in use and whether the total byte */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 /* count to be read is valid. Otherwise, abort. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 if (((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle == INVALID_HANDLE_VALUE) || \
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 (data_size_p == NULL))
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 return (RV_INVALID_PARAMETER);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 /* Then, attempt reading data, up to the expected value. However, abort if */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 /* no data available from the COM port or if any error occurred. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 do
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 if (ReadFile ((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle, \
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 (data_buffer_p + total_data_size_read), \
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 (*data_size_p - total_data_size_read), \
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 (unsigned long *) (&data_size_read), \
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 NULL) == FALSE)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 return (RV_INVALID_PARAMETER);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 total_data_size_read += data_size_read;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 while (data_size_read != 0x00000000);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 /* Update the total byte count read. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 *data_size_p = total_data_size_read;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 return(RV_OK);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 } /******************* End of atp_uart_read_com_port function *******************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 /********************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 /* Function Name: atp_uart_remove_com_port */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 /* Purpose: This function removes the COM port. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 /* Input Parameters: None. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 /* Output Parameters: None. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 /* Global Parameters: None. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 /* Note: None. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 /* Revision History: */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 /* 02/05/01 David Lamy-Charrier */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 /* - Create. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 /********************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 T_ATP_UART_ERROR_CODES atp_uart_remove_com_port (void)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 /******************* atp_uart_remove_com_port function begins *******************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 /* Remove the COM port. If any error occurred, then abort. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 if (((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle == INVALID_HANDLE_VALUE) || \
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 (DeleteFile ((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_name) == FALSE))
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 return (RV_INVALID_PARAMETER);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 /* Set the default handle assigned to the COM port. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262 (gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle = INVALID_HANDLE_VALUE;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 return (RV_OK);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 } /****************** End of atp_uart_remove_com_port function ******************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266