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1 | ingob | 1 | /******************** (C) COPYRIGHT 2006 STMicroelectronics ******************** |
2 | * File Name : usb_istr.c |
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3 | * Author : MCD Application Team |
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4 | * Date First Issued : 10/01/2006 : V1.0 |
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5 | * Description : ISTR events interrupt service routines |
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6 | ******************************************************************************** |
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7 | * History: |
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8 | * 10/01/2006 : V1.0 |
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9 | ******************************************************************************** |
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10 | * THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
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11 | * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. |
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12 | * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, |
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13 | * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE |
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14 | * CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING |
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15 | * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
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16 | *******************************************************************************/ |
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17 | /* Includes ------------------------------------------------------------------*/ |
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18 | #include "main.h" |
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19 | /* Private typedef -----------------------------------------------------------*/ |
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20 | /* Private define ------------------------------------------------------------*/ |
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21 | /* Private macro -------------------------------------------------------------*/ |
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22 | /* Private variables ---------------------------------------------------------*/ |
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23 | volatile u16 wIstr; /* ISTR register last read value */ |
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24 | /* Private function prototypes -----------------------------------------------*/ |
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25 | void USB_Istr(void); |
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26 | /* Extern function prototypes ------------------------------------------------*/ |
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27 | /* Private functions ---------------------------------------------------------*/ |
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28 | /* function prototypes */ |
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29 | /* automatically built defining related macros */ |
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30 | #ifdef CTR_Callback |
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31 | void CTR_Callback(void); |
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32 | #endif |
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33 | #ifdef DOVR_Callback |
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34 | void DOVR_Callback(void); |
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35 | #endif |
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36 | #ifdef ERR_Callback |
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37 | void ERR_Callback(void); |
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38 | #endif |
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39 | #ifdef WKUP_Callback |
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40 | void WKUP_Callback(void); |
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41 | #endif |
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42 | #ifdef SUSP_Callback |
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43 | void SUSP_Callback(void); |
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44 | #endif |
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45 | #ifdef RESET_Callback |
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46 | void RESET_Callback(void); |
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47 | #endif |
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48 | #ifdef SOF_Callback |
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49 | void SOF_Callback(void); |
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50 | #endif |
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51 | #ifdef ESOF_Callback |
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52 | void ESOF_Callback(void); |
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53 | #endif |
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54 | |||
55 | extern void EP1_IN_Callback(void); |
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56 | extern void EP2_IN_Callback(void); |
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57 | extern void EP3_IN_Callback(void); |
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58 | extern void EP4_IN_Callback(void); |
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59 | extern void EP5_IN_Callback(void); |
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60 | extern void EP6_IN_Callback(void); |
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61 | extern void EP7_IN_Callback(void); |
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62 | extern void EP8_IN_Callback(void); |
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63 | extern void EP9_IN_Callback(void); |
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64 | extern void EP10_IN_Callback(void); |
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65 | extern void EP11_IN_Callback(void); |
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66 | extern void EP12_IN_Callback(void); |
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67 | extern void EP13_IN_Callback(void); |
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68 | extern void EP14_IN_Callback(void); |
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69 | extern void EP15_IN_Callback(void); |
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70 | |||
71 | |||
72 | extern void EP1_OUT_Callback(void); |
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73 | extern void EP2_OUT_Callback(void); |
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74 | extern void EP3_OUT_Callback(void); |
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75 | extern void EP4_OUT_Callback(void); |
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76 | extern void EP5_OUT_Callback(void); |
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77 | extern void EP6_OUT_Callback(void); |
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78 | extern void EP7_OUT_Callback(void); |
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79 | extern void EP8_OUT_Callback(void); |
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80 | extern void EP9_OUT_Callback(void); |
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81 | extern void EP10_OUT_Callback(void); |
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82 | extern void EP11_OUT_Callback(void); |
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83 | extern void EP12_OUT_Callback(void); |
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84 | extern void EP13_OUT_Callback(void); |
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85 | extern void EP14_OUT_Callback(void); |
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86 | extern void EP15_OUT_Callback(void); |
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87 | |||
88 | /* function pointers to non-control endpoints service routines */ |
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89 | void (*pEpInt_IN[15])(void)={ |
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90 | EP1_IN_Callback, |
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91 | EP2_IN_Callback, |
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92 | EP3_IN_Callback, |
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93 | EP4_IN_Callback, |
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94 | EP5_IN_Callback, |
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95 | EP6_IN_Callback, |
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96 | EP7_IN_Callback, |
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97 | EP8_IN_Callback, |
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98 | EP9_IN_Callback,// only 9 endpoint in the STR9 |
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99 | EP10_IN_Callback, |
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100 | EP11_IN_Callback, |
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101 | EP12_IN_Callback, |
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102 | EP13_IN_Callback, |
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103 | EP14_IN_Callback, |
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104 | EP15_IN_Callback |
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105 | }; |
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106 | |||
107 | void (*pEpInt_OUT[15])(void)={ |
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108 | EP1_OUT_Callback, |
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109 | EP2_OUT_Callback, |
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110 | EP3_OUT_Callback, |
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111 | EP4_OUT_Callback, |
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112 | EP5_OUT_Callback, |
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113 | EP6_OUT_Callback, |
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114 | EP7_OUT_Callback, |
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115 | EP8_OUT_Callback, |
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116 | EP9_OUT_Callback, |
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117 | EP10_OUT_Callback,// only 9 endpoint in the STR9 |
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118 | EP11_OUT_Callback, |
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119 | EP12_OUT_Callback, |
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120 | EP13_OUT_Callback, |
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121 | EP14_OUT_Callback, |
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122 | EP15_OUT_Callback |
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123 | }; |
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124 | /******************************************************************************* |
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125 | * Function Name : USB_Istr |
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126 | * Description : handle the usb interrupt routines |
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127 | * Input : None. |
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128 | * Output : None. |
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129 | * Return : None. |
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130 | *******************************************************************************/ |
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131 | void USB_Istr(void) |
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132 | { |
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133 | wIstr = _GetISTR(); |
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134 | #if (IMR_MSK & ISTR_RESET) |
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135 | if (wIstr & ISTR_RESET & wInterrupt_Mask) |
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136 | { |
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137 | _SetISTR((u16)CLR_RESET); |
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138 | Device_Property.Reset(); |
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139 | #ifdef RESET_Callback |
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140 | RESET_Callback(); |
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141 | #endif |
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142 | } |
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143 | #endif |
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144 | |||
145 | #if (IMR_MSK & ISTR_DOVR) |
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146 | if (wIstr & ISTR_DOVR & wInterrupt_Mask) |
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147 | { |
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148 | _SetISTR((u16)CLR_DOVR); |
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149 | #ifdef DOVR_Callback |
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150 | DOVR_Callback(); |
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151 | #endif |
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152 | } |
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153 | #endif |
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154 | |||
155 | #if (IMR_MSK & ISTR_ERR) |
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156 | if (wIstr & ISTR_ERR & wInterrupt_Mask) |
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157 | { |
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158 | _SetISTR((u16)CLR_ERR); |
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159 | #ifdef ERR_Callback |
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160 | ERR_Callback(); |
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161 | #endif |
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162 | } |
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163 | #endif |
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164 | |||
165 | #if (IMR_MSK & ISTR_WKUP) |
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166 | if (wIstr & ISTR_WKUP & wInterrupt_Mask) |
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167 | { |
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168 | _SetISTR((u16)CLR_WKUP); |
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169 | Resume(RESUME_EXTERNAL); |
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170 | #ifdef WKUP_Callback |
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171 | WKUP_Callback(); |
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172 | #endif |
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173 | } |
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174 | #endif |
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175 | |||
176 | #if (IMR_MSK & ISTR_SUSP) |
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177 | if (wIstr & ISTR_SUSP & wInterrupt_Mask) |
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178 | { |
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179 | /* check if SUSPEND is possible */ |
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180 | if(fSuspendEnabled) |
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181 | { |
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182 | Suspend(); |
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183 | } |
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184 | else |
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185 | { |
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186 | /* if not possible then resume after xx ms */ |
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187 | Resume(RESUME_LATER); |
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188 | } |
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189 | /* clear of the ISTR bit must be done after setting of CNTR_FSUSP */ |
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190 | _SetISTR((u16)CLR_SUSP); |
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191 | #ifdef SUSP_Callback |
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192 | SUSP_Callback(); |
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193 | #endif |
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194 | } |
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195 | #endif |
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196 | |||
197 | #if (IMR_MSK & ISTR_SOF) |
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198 | if (wIstr & ISTR_SOF & wInterrupt_Mask) |
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199 | { |
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200 | _SetISTR((u16)CLR_SOF); |
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201 | #ifdef SOF_Callback |
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202 | SOF_Callback(); |
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203 | #endif |
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204 | } |
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205 | #endif |
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206 | |||
207 | #if (IMR_MSK & ISTR_ESOF) |
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208 | if (wIstr & ISTR_ESOF & wInterrupt_Mask) |
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209 | { |
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210 | _SetISTR((u16)CLR_ESOF); |
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211 | /* resume handling timing is made with ESOFs */ |
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212 | Resume(RESUME_ESOF); /* request without change of the machine state */ |
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213 | #ifdef ESOF_Callback |
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214 | ESOF_Callback(); |
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215 | #endif |
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216 | } |
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217 | #endif |
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218 | |||
219 | #if (IMR_MSK & ISTR_CTR) |
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220 | if (wIstr & ISTR_CTR & wInterrupt_Mask) |
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221 | { |
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222 | /* servicing of the endpoint correct transfer interrupt */ |
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223 | /* clear of the CTR flag into the sub */ |
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224 | CTR_LP(); |
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225 | #ifdef CTR_Callback |
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226 | CTR_Callback(); |
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227 | #endif |
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228 | } |
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229 | #endif |
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230 | }/* USB_Istr */ |
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231 | /******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/ |
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232 | |||
233 | |||
234 |