Hallo!
Ich programmiere zwar immer wieder herum aber so wirklich beschäftigt
hab ich mich noch nicht damit. Jetzt versuche ich gerade eine Zeile zu
verstehen aber ich komme nicht dahinter was diese macht. Bitte helft mir
weiter.
1 | //RFM12 Wireless Module
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2 | #define RFM12_PORT PORTB //Port for RFM12 Module
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3 | #define RFM12_PIN PINB //PIN for RFM12 Module
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4 | #define RFM12_DDR DDRB //DDR Register of Port for RFM12 Module
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5 | #define RFM12_LEDG PB0 //LED (green) for receiving messages indication
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6 | #define RFM12_LEDY PB1 //LED (yellow) for sending messages indication
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7 | #define RFM12_nIRQ PB2 //Interrupt Signal from RFM12 (low active)
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8 | #define RFM12_nRES PB3 //Reset Signal to RFM12 (low active)
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9 | #define RFM12_nSEL PB4 //Slave Select Signal to RFM12 (low active)
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10 | #define RFM12_SDI PB5 //Slave Data Input Signal (MOSI) to RFM12
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11 | #define RFM12_SDO PB6 //Slave Data Output Signal (MISO) from RFM12
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12 | #define RFM12_SCK PB7 //Clock Signal to RFM12
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13 |
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14 |
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15 | RFM12_PORT = RFM12_PORT | (1 << RFM12_nIRQ) | (1 << RFM12_nRES) | (1 << RFM12_nSEL) | (1 << RFM12_SDI) | (1 << RFM12_SDO) | (1 << RFM12_SCK); //RFM12_LEDG and RFM12_LEDY = 0x00
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Die letzte Zeile.
BG
Andreas