96 lines
3.5 KiB
C
96 lines
3.5 KiB
C
#include <avr/io.h>
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#include <dio.h>
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#include <display.h>
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#include <rfm.h>
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#include <spi.h>
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#include <stdio.h>
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#include <util/delay.h>
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void status(display_t *display, rfm_t *radio, int clock) {
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op_mode_t mode = rfm_mode(radio);
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interrupt_flags_t flags = rfm_interrupts(radio);
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display_clear(display);
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char clock_str[16];
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sprintf(clock_str, "%4d ", clock);
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display_write_message(display, clock_str);
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if (mode.listen_on) display_write_message(display, "Listen ");
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if (mode.mode == sleep) display_write_message(display, "Sleep");
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if (mode.mode == standby) display_write_message(display, "Standby");
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if (mode.mode == fs) display_write_message(display, "FS");
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if (mode.mode == tx) display_write_message(display, "TX");
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if (mode.mode == rx) display_write_message(display, "RX");
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display_set_location(display, 1, 0);
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if (flags.mode_ready) display_write_message(display, "R ");
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if (flags.rx_ready) display_write_message(display, "RX ");
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if (flags.tx_ready) display_write_message(display, "TX ");
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if (flags.timeout) display_write_message(display, "TO ");
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if (flags.auto_mode) display_write_message(display, "AM ");
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if (flags.sync_addr_match) display_write_message(display, "SM ");
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if (flags.fifo_full) display_write_message(display, "F ");
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if (flags.fifo_not_empty) display_write_message(display, "NE ");
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if (flags.fifo_level) display_write_message(display, "LE ");
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if (flags.fifo_overrun) display_write_message(display, "OR ");
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if (flags.packet_sent) display_write_message(display, "PS ");
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if (flags.payload_ready) display_write_message(display, "PR");
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if (flags.crc_ok) display_write_message(display, "CRC");
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}
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int main(void) {
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int clock = 0;
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uint8_t primes[] = { 1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 0 };
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display_t display = {
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.reg = {
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.output = { .ddr = &DDRB, .port = &PORTB, .pin = &PINB, .addr = 7 },
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.shift_clock = { .ddr = &DDRB, .port = &PORTB, .pin = &PINB, .addr = 6 },
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.latch_clock = { .ddr = &DDRB, .port = &PORTB, .pin = &PINB, .addr = 5 },
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},
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};
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rfm_t radio = (rfm_t){
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.spi = {
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.clock = { .ddr = &DDRB, .port = &PORTB, .pin = &PINB, .addr = 1 },
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.data_out = { .ddr = &DDRB, .port = &PORTB, .pin = &PINB, .addr = 2 },
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.data_in = { .ddr = &DDRB, .port = &PORTB, .pin = &PINB, .addr = 3 },
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.chip_select = { .ddr = &DDRB, .port = &PORTB, .pin = &PINB, .addr = 4 },
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},
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.irq = { .ddr = &DDRE, .port = &PORTE, .pin = &PINE, .addr = 6 },
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.reset = { .ddr = &DDRD, .port = &PORTD, .pin = &PIND, .addr = 4 },
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};
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_delay_ms(15);
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display_init(&display);
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rfm_error_e error;
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rfm_init(&radio, (uint8_t [4]){ 0xde, 0xca, 0xfb, 0xad }, 4, &error);
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status(&display, &radio, clock);
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int prime = 0;
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while (1) {
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status(&display, &radio, clock);
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op_mode_t mode = rfm_mode(&radio);
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interrupt_flags_t flags = rfm_interrupts(&radio);
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if (mode.mode == standby) {
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rfm_transmit(&radio, &primes[prime], 1);
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if (primes[prime] == 0) {
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prime = 0;
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} else {
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prime++;
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}
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} else if (mode.mode == tx && flags.packet_sent) {
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rfm_standby(&radio);
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}
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clock++;
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_delay_ms(1000);
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}
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return 0;
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}
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