Tja ich probiere jetzt schon einige zeit damit rum aber ich kriege
keinen Ton raus. Könnt ihr mal gucken ob die SPI Ansteuerung so richtig
ist?
Danke im vorraus!!!!
hier der relevante ausschnitt
1 | int main(void)
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2 | {
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3 |
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4 |
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5 | // Eingänge //
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6 | DDRC = 0x00;
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7 | PORTC= 0xFF;
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8 |
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9 | // Ausgänge //
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10 | DDRB = 0xFF;
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11 | DDRD = 0xFF;
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12 |
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13 | PORTB |= (1<<PB2);
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14 |
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15 | // Initialisierungen //
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16 | lcd_init();
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17 | encode_init();
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18 |
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19 |
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20 | SPCR = (1 << SPE) | (1 << MSTR)| (1<<SPR1);
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21 |
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22 | // Variablen //
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23 |
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24 | ukw = 8888;
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25 | kanal = 0;
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26 | zsp =0;
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27 |
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28 | // Anschalten im analogen Modus //
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29 | PORTB &= ~(1<<PB2);
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30 | spi(0x48); // CTL
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31 | spi(0x01); // CMD
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32 | spi(0xC0); //
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33 | spi(0x05);
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34 | spi(0x00);
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35 | spi(0x00);
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36 | spi(0x00);
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37 | spi(0x00);
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38 | spi(0x00);
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39 | PORTB &= ~(1<<PB2);
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40 |
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41 | PORTB &= ~(1<<PB2);
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42 | spi(0x80);
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43 | status = empf();
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44 | PORTB &= ~(1<<PB2);
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45 |
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46 | _delay_ms(50);
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47 | _delay_ms(50);
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48 | _delay_ms(50);
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49 | _delay_ms(50);
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50 |
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51 | /////////////////////////////////////////////////////////////////////////////////////////////
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52 |
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53 |
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54 | /*
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55 |
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56 | // LCD Anzeige //
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57 | lcd_setcursor( 0, 1 );
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58 | lcd_string("Sendername");
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59 |
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60 |
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61 |
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62 | lcd_setcursor( 0, 2 );
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63 | lcd_string("Sendertext");
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64 |
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65 | */
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66 | lcd_setcursor( 8, 1 );
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67 | char Buffer[20]; // in diesem {} lokal
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68 | itoa( ukw, Buffer, 10 );
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69 | lcd_string(Buffer);
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70 |
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71 | // UKW Frequenz setzen //
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72 | PORTB &= ~(1<<PB2);
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73 | spi(0x48); // CTL
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74 |
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75 | spi(0x20);
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76 | spi(0x00);
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77 | spi(ukw); //
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78 | spi(ukw >> 8); //
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79 | spi(0x00);
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80 | spi(0x00);
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81 | spi(0x00);
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82 | spi(0x00);
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83 | PORTB &= ~(1<<PB2);
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84 |
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85 | PORTB &= ~(1<<PB2);
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86 | spi(0x80); // CTL
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87 | status = empf();
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88 | PORTB &= ~(1<<PB2);
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89 |
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90 |
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91 |
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92 |
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93 | /////////////////////////////////////////////////////////////////////////////////////////////
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94 | // Hauptschleife //
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95 | /////////////////////////////////////////////////////////////////////////////////////////////
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96 | while(1)
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97 | {
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98 |
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99 |
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100 |
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101 |
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102 | switch (kanal)
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103 | {
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104 | case 0:
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105 |
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106 |
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107 |
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108 | lcd_setcursor( 8, 1 );
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109 | char Buffer[20]; // in diesem {} lokal
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110 | itoa( ukw, Buffer, 10 );
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111 | lcd_string(Buffer);
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112 |
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113 |
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114 | // if(zsp != ukw) {
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115 |
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116 | // UKW Frequenz setzen //
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117 | PORTB &= ~(1<<PB2);
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118 | spi(0x48); // CTL
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119 |
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120 | spi(0x20);
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121 | spi(0x00);
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122 | spi(ukw); //
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123 | spi(ukw >> 8); //
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124 | spi(0x00);
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125 | spi(0x00);
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126 | spi(0x00);
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127 | spi(0x00);
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128 | PORTB &= ~(1<<PB2);
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129 |
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130 | PORTB &= ~(1<<PB2);
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131 | spi(0x80); // CTL
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132 | status = empf();
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133 | PORTB &= ~(1<<PB2);
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134 | //}
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135 | /////////////////////////////////////////////////////////////////////////////////////////////
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136 | // RDS Empfang //
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137 | /////////////////////////////////////////////////////////////////////////////////////////////
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138 | PORTB &= ~(1<<PB2);
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139 | spi(0x48);
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140 |
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141 | spi(0x24);
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142 | spi(0x01);
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143 | spi(0x00);
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144 | spi(0x00);
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145 | spi(0x00);
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146 | spi(0x00);
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147 | spi(0x00);
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148 | spi(0x00);
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149 | PORTB &= ~(1<<PB2);
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150 |
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151 | PORTB &= ~(1<<PB2);
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152 | spi(0xC0);
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153 | status = empf();
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154 | resp1 = empf();
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155 | resp2 = empf();
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156 | resp3 = empf();
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157 | resp4 = empf();
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158 | resp5 = empf();
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159 | resp6 = empf();
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160 | resp7 = empf();
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161 | resp8 = empf();
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162 | resp9 = empf();
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163 | resp10 = empf();
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164 | resp11 = empf();
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165 | resp12 = empf();
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166 | PORTB &= ~(1<<PB2);
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167 |
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168 |
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169 | // RDS Radio Text //
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170 | gty = resp6 >> 4;
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171 |
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172 | if (gty == 0b0010)
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173 | {
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174 | lcd_setcursor( 0, 2 );
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175 | lcd_data(resp8);
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176 | lcd_data(resp9);
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177 | lcd_data(resp10);
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178 | lcd_data(resp11);
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179 | }
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180 |
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181 | // RDS Sendername //
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182 | gty = resp6 >> 4;
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183 |
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184 | if (gty == 0)
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185 | {
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186 | lcd_setcursor( 0, 1 );
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187 | lcd_data(resp10);
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188 | lcd_data(resp11);
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189 | }
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