FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/serial/uart.h @ 643:d779078abe40
PCM integration: pcm_init() call
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Wed, 03 Sep 2014 17:50:06 +0000 |
parents | afceeeb2cba1 |
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rev | line source |
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1 /******************************************************************************* |
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2 * |
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3 * UART.H |
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4 * |
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5 * This module allows to use the UARTs of chipset 1.5 in interrupt mode. |
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6 * The driver calls a user's function when characters are received. |
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7 * |
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8 * (C) Texas Instruments 1999 - 2003 |
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9 * |
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10 ******************************************************************************/ |
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11 |
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12 #ifndef __UART_H__ |
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13 #define __UART_H__ |
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14 |
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15 typedef enum { |
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16 UA_UART_0, /* IrDA */ |
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17 UA_UART_1 /* Modem */ |
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18 #if (CHIPSET == 12) |
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19 , UA_UART_2 /* Modem 2 */ |
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20 #endif |
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21 } T_tr_UartId; |
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22 |
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23 #if (CHIPSET == 12) |
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24 #define NUMBER_OF_TR_UART (3) |
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25 #else |
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26 #define NUMBER_OF_TR_UART (2) |
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27 #endif |
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28 |
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29 #ifndef C_EXTERN |
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30 #if 1 //(OP_L1_STANDALONE == 1) |
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31 #define C_EXTERN extern |
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32 #else |
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33 #define C_EXTERN |
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34 #endif |
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35 #endif |
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36 |
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37 /******************************************************************************* |
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38 * |
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39 * initialize_uart_sleep |
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40 * |
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41 * Purpose : Performs basic UART hardware initialization including sleep mode. |
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42 * |
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43 * Arguments: In : uart_id : UART id. |
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44 * Out: none |
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45 * |
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46 * Returns: none |
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47 * |
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48 * Warning: Parameters are not verified. |
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49 * |
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50 ******************************************************************************/ |
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51 |
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52 C_EXTERN void initialize_uart_sleep (T_tr_UartId uart_id); |
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53 |
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54 /******************************************************************************* |
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55 * |
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56 * UA_Init |
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57 * |
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58 * Purpose : Initializes the module and the UART. |
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59 * |
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60 * Arguments: In : uart_id : UART id. |
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61 * baudrate: baud rate selected. |
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62 * callback: user's function called characters are received. |
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63 * Out: none |
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64 * |
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65 * Returns: none |
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66 * |
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67 * Warning: Parameters are not verified. |
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68 * |
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69 ******************************************************************************/ |
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70 |
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71 C_EXTERN void UA_Init (T_tr_UartId uart_id, |
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72 T_tr_Baudrate baudrate, |
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73 void (callback_function (void))); |
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74 |
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75 /******************************************************************************* |
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76 * |
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77 * UA_ReadNChars |
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78 * |
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79 * Purpose : Reads N characters from the RX buffer. |
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80 * |
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81 * Arguments: In : uart_id : UART id. |
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82 * buffer : buffer address where the characters are |
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83 * copied. |
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84 * chars_to_read: number of characters to read. |
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85 * Out: none |
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86 * |
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87 * Returns : The number of characters read. |
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88 * |
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89 * Warning: Parameters are not verified. |
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90 * |
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91 ******************************************************************************/ |
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92 |
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93 C_EXTERN SYS_UWORD32 UA_ReadNChars (T_tr_UartId uart_id, |
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94 char *buffer, |
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95 SYS_UWORD32 chars_to_read); |
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96 |
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97 /******************************************************************************* |
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98 * |
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99 * UA_ReadNBytes |
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100 * |
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101 * Purpose : Reads and destuff N bytes from the RX buffer. |
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102 * |
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103 * Arguments: In : uart_id : UART id. |
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104 * buffer : buffer address where the bytes are copied. |
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105 * chars_to_read: number of bytes to read. |
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106 * Out: eof_detected : indicates if an EOF has been detected. |
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107 * |
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108 * Returns : The number of bytes read. |
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109 * |
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110 * Warning: Parameters are not verified. |
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111 * |
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112 ******************************************************************************/ |
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113 |
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114 C_EXTERN SYS_UWORD32 UA_ReadNBytes (T_tr_UartId uart_id, |
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115 char *buffer, |
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116 SYS_UWORD32 bytes_to_read, |
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117 SYS_BOOL *eof_detected); |
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118 |
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119 /******************************************************************************* |
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120 * |
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121 * UA_WriteNChars |
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122 * |
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123 * Purpose : Writes N characters in the TX FIFO. |
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124 * |
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125 * Arguments: In : uart_id : UART id. |
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126 * buffer : buffer address from which characters are |
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127 * written. |
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128 * bytes_to_write: number of bytes to write. |
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129 * Out: none |
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130 * |
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131 * Returns : Number of bytes written. |
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132 * |
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133 * Warning: Parameters are not verified. |
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134 * |
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135 ******************************************************************************/ |
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136 |
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137 C_EXTERN SYS_UWORD32 UA_WriteNChars (T_tr_UartId uart_id, |
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138 char *buffer, |
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139 SYS_UWORD32 chars_to_write); |
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140 |
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141 /******************************************************************************* |
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142 * |
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143 * UA_EncapsulateNChars |
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144 * |
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145 * Purpose : Writes N characters in the TX FIFO in encapsulating them with 2 |
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146 * STX bytes (one at the beginning and one at the end). |
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147 * |
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148 * Arguments: In : uart_id : UART id. |
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149 * buffer : buffer address from which characters are |
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150 * written. |
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151 * chars_to_write: number of chars to write. |
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152 * Out: none |
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153 * |
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154 * Returns : Number of chars written. |
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155 * |
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156 * Warning: Parameters are not verified. |
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157 * |
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158 ******************************************************************************/ |
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159 |
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160 C_EXTERN SYS_UWORD32 UA_EncapsulateNChars (T_tr_UartId uart_id, |
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161 char *buffer, |
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162 SYS_UWORD32 chars_to_write); |
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163 |
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164 /******************************************************************************* |
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165 * |
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166 * UA_WriteNBytes |
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167 * |
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168 * Purpose : Writes N bytes in the TX FIFO in encapsulating with 2 STX bytes |
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169 * at the beginning and the end of the frame, and in making byte |
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170 * stuffing. |
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171 * |
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172 * Arguments: In : uart_id : UART id. |
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173 * buffer : buffer address from which bytes are |
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174 * written. |
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175 * bytes_to_write: number of bytes to write. |
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176 * Out: none |
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177 * |
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178 * Returns : Number of bytes written. |
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179 * |
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180 * Warning: Parameters are not verified. |
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181 * |
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182 ******************************************************************************/ |
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183 |
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184 C_EXTERN SYS_UWORD32 UA_WriteNBytes (T_tr_UartId uart_id, |
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185 SYS_UWORD8 *buffer, |
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186 SYS_UWORD32 bytes_to_write); |
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187 |
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188 /******************************************************************************* |
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189 * |
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190 * UA_WriteChar |
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191 * |
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192 * Purpose : Writes a character in the TX FIFO. |
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193 * |
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194 * Arguments: In : uart: UART id. |
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195 * character |
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196 * Out: none |
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197 * |
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198 * Returns : none |
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199 * |
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200 * Warning: Parameters are not verified. |
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201 * |
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202 ******************************************************************************/ |
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203 |
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204 C_EXTERN void UA_WriteChar (T_tr_UartId uart_id, |
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205 char character); |
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206 |
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207 /******************************************************************************* |
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208 * |
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209 * UA_WriteString |
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210 * |
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211 * Purpose : Writes a null terminated string in the TX FIFO. |
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212 * |
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213 * Arguments: In : uart_id: UART id. |
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214 * buffer : buffer address from which characters are written. |
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215 * Out: none |
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216 * |
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217 * Returns : none |
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218 * |
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219 * Warning: Parameters are not verified. |
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220 * |
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221 ******************************************************************************/ |
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222 |
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223 C_EXTERN void UA_WriteString (T_tr_UartId uart_id, |
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224 char *buffer); |
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225 |
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226 /******************************************************************************* |
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227 * |
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228 * UA_EnterSleep |
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229 * |
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230 * Purpose : Checks if UART is ready to enter Deep Sleep. If ready, enables |
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231 * wake-up interrupt. |
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232 * |
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233 * Arguments: In : uart_id : UART id. |
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234 * Out: none |
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235 * |
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236 * Returns: 0 : Deep Sleep is not possible. |
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237 * >= 1 : Deep Sleep is possible. |
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238 * |
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239 * Warning: Parameters are not verified. |
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240 * |
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241 ******************************************************************************/ |
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242 |
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243 C_EXTERN SYS_BOOL UA_EnterSleep (T_tr_UartId uart_id); |
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244 |
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245 /******************************************************************************* |
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246 * |
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247 * UA_WakeUp |
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248 * |
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249 * Purpose : Wakes up UART after Deep Sleep. |
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250 * |
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251 * Arguments: In : uart_id : UART id. |
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252 * Out: none |
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253 * |
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254 * Returns: none |
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255 * |
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256 * Warning: Parameters are not verified. |
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257 * |
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258 ******************************************************************************/ |
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259 |
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260 C_EXTERN void UA_WakeUp (T_tr_UartId uart_id); |
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261 |
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262 /******************************************************************************* |
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263 * |
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264 * UA_InterruptHandler |
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265 * |
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266 * Purpose : Interrupt handler. |
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267 * |
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268 * Arguments: In : uart_id : origin of interrupt |
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269 * interrupt_status: source of interrupt |
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270 * Out: none |
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271 * |
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272 * Returns : none |
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273 * |
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274 ******************************************************************************/ |
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275 |
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276 void UA_InterruptHandler (T_tr_UartId uart_id, |
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277 SYS_UWORD8 interrupt_status); |
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278 |
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279 #undef C_EXTERN |
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280 |
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281 #endif /* __UART_H__ */ |