81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
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/*
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* ----------------------------------------------------------------------------
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* “THE COFFEEWARE LICENSE” (Revision 1):
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* <ihsan@kehribar.me> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a coffee in return.
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* -----------------------------------------------------------------------------
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* Please define your platform spesific functions in this file ...
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* -----------------------------------------------------------------------------
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*/
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#include <avr/io.h>
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#define set_bit(reg,bit) reg |= (1<<bit)
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#define clr_bit(reg,bit) reg &= ~(1<<bit)
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#define check_bit(reg,bit) (reg&(1<<bit))
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/* ------------------------------------------------------------------------- */
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void nrf24_setupPins()
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{
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set_bit(DDRB,0); // CE output
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set_bit(DDRB,1); // CSN output
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set_bit(DDRB,5); // SCK output
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set_bit(DDRB,3); // MOSI output
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clr_bit(DDRB,4); // MISO input
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}
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/* ------------------------------------------------------------------------- */
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void nrf24_ce_digitalWrite(uint8_t state)
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{
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if(state)
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{
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set_bit(PORTB,0);
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}
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else
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{
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clr_bit(PORTB,0);
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}
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}
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/* ------------------------------------------------------------------------- */
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void nrf24_csn_digitalWrite(uint8_t state)
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{
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if(state)
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{
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set_bit(PORTB,1);
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}
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else
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{
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clr_bit(PORTB,1);
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}
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}
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/* ------------------------------------------------------------------------- */
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void nrf24_sck_digitalWrite(uint8_t state)
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{
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if(state)
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{
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set_bit(PORTB,5);
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}
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else
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{
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clr_bit(PORTB,5);
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}
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}
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/* ------------------------------------------------------------------------- */
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void nrf24_mosi_digitalWrite(uint8_t state)
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{
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if(state)
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{
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set_bit(PORTB,3);
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}
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else
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{
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clr_bit(PORTB,3);
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}
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}
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/* ------------------------------------------------------------------------- */
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uint8_t nrf24_miso_digitalRead()
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{
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return check_bit(PINB,4);
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}
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/* ------------------------------------------------------------------------- */
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