FreeCalypso > hg > freecalypso-sw
annotate nuc-fw/bsp/armio.c @ 109:91460c8957f0
nuc-fw/bsp: beginning of reconciliation with the Leonardo semi-src version
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sat, 19 Oct 2013 18:59:34 +0000 |
parents | 45911ad957fd |
children | 325bbadc0c9c |
rev | line source |
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1 /* |
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2 * ARMIO.C |
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3 * |
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4 * |
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5 * Control diagnostic bits |
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6 * |
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7 * Reference : GCS207 |
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8 * |
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9 */ |
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10 |
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11 |
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12 #include "../include/config.h" |
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13 #include "../include/sys_types.h" |
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14 |
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15 #include "mem.h" |
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16 #include "iq.h" |
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17 #include "armio.h" |
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18 |
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19 #if 0 |
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20 /* FreeCalypso: abb.h hasn't been integrated yet */ |
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21 #include "abb.h" // for AI_Power function : to be removed, use ABB_Power_Off in abb.c file instead !!! |
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22 #endif |
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23 |
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24 #if (CHIPSET != 12) |
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25 /* |
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26 * AI_EnableBit |
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27 * |
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28 * Enable ARMIO input/output bit (see CLKM module specification) |
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29 */ |
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30 void AI_EnableBit(int bit) |
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31 { |
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32 *((volatile SYS_UWORD16 *) CLKM_IO_CNTL) |= (1<<bit); |
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33 } |
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34 |
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35 /* |
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36 * AI_DisableBit |
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37 * |
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38 * Disable ARMIO input/output bit (see CLKM module specification) |
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39 */ |
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40 void AI_DisableBit(int bit) |
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41 { |
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42 *((volatile SYS_UWORD16 *) CLKM_IO_CNTL) &= ~(1<<bit); |
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43 } |
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44 |
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45 #endif /* CHIPSET != 12 */ |
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46 |
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47 /* |
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48 * AI_SetBit |
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49 * |
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50 * Switch-on one bit |
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51 */ |
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52 void AI_SetBit(int bit) |
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53 { |
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54 *((volatile SYS_UWORD16 *) ARMIO_OUT) |= (1<<bit); |
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55 } |
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56 |
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57 /* |
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58 * AI_ResetBit |
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59 * |
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60 * Switch-off one bit |
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61 */ |
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62 void AI_ResetBit(int bit) |
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63 { |
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64 *((volatile SYS_UWORD16 *) ARMIO_OUT) &= ~(1<<bit); |
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65 } |
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66 |
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67 /* |
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68 * AI_ConfigBitAsOutput |
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69 * |
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70 * Set this bit as an output |
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71 */ |
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72 void AI_ConfigBitAsOutput(int bit) |
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73 { |
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74 *((volatile SYS_UWORD16 *) ARMIO_IO_CNTL) &= ~(1<<bit); |
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75 } |
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76 |
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77 /* |
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78 * AI_ConfigBitAsInput |
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79 * |
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80 * Set this bit as an input |
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81 */ |
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82 void AI_ConfigBitAsInput(int bit) |
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83 { |
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84 *((volatile SYS_UWORD16 *) ARMIO_IO_CNTL) |= (1<<bit); |
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85 } |
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86 |
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87 |
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88 /* |
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89 * AI_ReadBit |
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90 * |
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91 * Read value in register |
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92 */ |
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93 SYS_BOOL AI_ReadBit(int bit) |
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94 { |
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95 if ((*((volatile SYS_UWORD16 *) ARMIO_IN)) & (1<<bit)) |
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96 return (1); |
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97 else |
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98 return (0); |
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99 } |
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100 |
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101 /* |
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102 * AI_Power |
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103 * |
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104 * Switch-on or off the board |
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105 * |
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106 * Parameters : SYS_UWORD8 power: 1 to power-on (maintain power) |
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107 * 0 to power-off |
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108 * |
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109 */ |
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110 // #if (!OP_L1_STANDALONE) |
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111 #if 0 |
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112 void AI_Power(SYS_UWORD8 power) |
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113 { |
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114 if (power == 0) |
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115 { |
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116 ABB_Power_Off(); |
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117 } |
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118 } |
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119 #endif |
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120 |
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121 /* |
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122 * AI_ResetIoConfig |
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123 * |
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124 * Reset all default IO configurations |
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125 * |
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126 */ |
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127 void AI_ResetIoConfig(void) |
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128 { |
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129 *((volatile SYS_UWORD16 *) ARMIO_IO_CNTL) = 0xFFFF; // all bits are inputs |
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130 #if (CHIPSET != 12) |
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131 *((volatile SYS_UWORD16 *) CLKM_IO_CNTL) = 0; // default config |
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132 #endif /* CHIPSET != 12 */ |
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133 } |
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134 |
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135 |
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136 /* |
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137 * AI_ClockEnable |
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138 * |
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139 * Enable ARMIO clock module |
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140 * |
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141 */ |
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142 void AI_ClockEnable(void) |
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143 { |
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144 *((volatile SYS_UWORD16 *) ARMIO_CNTL_REG) |= ARMIO_CLOCKEN; // set to 1 bit 5 |
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145 } |
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146 |
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147 /* |
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148 * The target-specific AI_InitIOConfig() function will need to go here. |
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149 */ |
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150 |
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151 /* |
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152 * AI_SelectIOForIT |
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153 * |
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154 * Select which IO will be used to generate an interrupt. |
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155 * 'Edge' specifies if interrup must be detected on falling or rising edge. |
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156 * |
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157 * Warning: parameters are not checked. |
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158 */ |
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159 |
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160 void AI_SelectIOForIT (SYS_UWORD16 Pin, SYS_UWORD16 Edge) |
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161 { |
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162 #if (CHIPSET == 12) |
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163 /* |
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164 * Update INTERRUPT_LEVEL_REG with Edge configuration on Pin selection |
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165 */ |
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166 GPIO_INTERRUPT_LEVEL_REG = (Edge & 0x0001) << Pin; |
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167 |
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168 /* |
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169 * Update INTERRUPT_MASK_REG to enable interrupt generation on Pin selection |
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170 */ |
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171 GPIO_INTERRUPT_MASK_REG = 1 << Pin; |
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172 #else |
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173 /* |
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174 * Bit SET_GPIO_EVENT_MODE (bit 0) is set to enable the GPIO event mode. |
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175 */ |
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176 |
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177 *((volatile SYS_UWORD16 *) ARMIO_GPIO_EVENT_MODE) = (Pin << 1) + (Edge << 5) + 1; |
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178 #endif |
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179 } |
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180 |
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181 #if (CHIPSET != 12) |
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182 /* |
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183 * AI_CheckITSource |
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184 * |
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185 * Check if the interrupt specified by 'Source' is active or not. |
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186 * |
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187 * Output: 0: IT is not active |
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188 * 1: IT is active |
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189 * |
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190 * Warning: parameters are not checked. |
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191 * |
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192 * Warning: If the keypad and GPIO interrupts may occur the GPIO interrupt |
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193 * must be checked first because the GPIO status bit is reset when |
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194 * the register is read. |
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195 */ |
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196 |
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197 int AI_CheckITSource (SYS_UWORD16 Source) |
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198 { |
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199 return (*((volatile SYS_UWORD16 *) ARMIO_KBD_GPIO_INT) & Source ? 1 : 0); |
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200 } |
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201 |
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202 /* |
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203 * AI_UnmaskIT |
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204 * |
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205 * Unmask the IT specified by 'Source' (keyboard or GPIO). |
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206 * |
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207 * Warning: parameters are not checked. |
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208 */ |
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209 |
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210 void AI_UnmaskIT (SYS_UWORD16 Source) |
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211 { |
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212 *((volatile SYS_UWORD16 *) ARMIO_KBD_GPIO_MASKIT) &= ~Source; |
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213 } |
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214 |
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215 /* |
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216 * AI_MaskIT |
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217 * |
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218 * Mask the IT specified by 'Source' (keyboard or GPIO). |
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219 * |
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220 * Warning: parameters are not checked. |
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221 */ |
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222 |
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223 void AI_MaskIT (SYS_UWORD16 Source) |
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224 { |
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225 *((volatile SYS_UWORD16 *) ARMIO_KBD_GPIO_MASKIT) |= Source; |
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226 } |
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227 #endif /* CHIPSET != 12 */ |
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228 |
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229 #if (CHIPSET == 12) |
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230 |
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231 void AI_MaskIT(SYS_UWORD16 d_io_number) { |
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232 GPIO_INTERRUPT_MASK_REG |= (1 << d_io_number); |
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233 } /* f_gpio_mask_it() */ |
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234 |
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235 void AI_UnmaskIT(SYS_UWORD16 d_io_number) { |
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236 GPIO_INTERRUPT_MASK_REG &= ~(1 << d_io_number); |
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237 } /* f_gpio_unmask_it() */ |
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238 |
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239 #endif |