diff options
Diffstat (limited to 'usb-lora/usb-lora.cpp')
-rw-r--r-- | usb-lora/usb-lora.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/usb-lora/usb-lora.cpp b/usb-lora/usb-lora.cpp new file mode 100644 index 0000000..c0ad3ae --- /dev/null +++ b/usb-lora/usb-lora.cpp @@ -0,0 +1,110 @@ +/* + * spreadspace avr utils + * + * + * Copyright (C) 2013-2016 Christian Pointner <equinox@spreadspace.org> + * + * This file is part of spreadspace avr utils. + * + * spreadspace avr utils is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * any later version. + * + * spreadspace avr utils is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <avr/io.h> +#include <avr/wdt.h> +#include <avr/interrupt.h> +#include <avr/power.h> +#include <stdio.h> + +#include "util.h" +#include "led.h" +#include "usbio.h" + +#include "RadioHead.h" +#include "RH_RF95.h" + +RH_RF95 lora; + +void recv_lora_msg() +{ + uint8_t buf[RH_RF95_MAX_MESSAGE_LEN]; + uint8_t len = sizeof(buf); + + led_on(); + if(!lora.recv(buf, &len)) { + printf("lora.recv(): failed\r\n"); + led_off(); + return; + } + + printf("lora.recv() got message: SNR = %d, data = ", lora.lastSNR()); + for(uint8_t i = 0; i < len; ++i) printf("%s0x%02X", (i==0) ? "" : " ", buf[i]); + printf("\r\n"); + led_off(); +} + +void send_lora_msg() +{ + uint8_t data[] = "spreadspace.org/avr-utils usb-lora test using radiohead library"; + + led2_on(); + if(!lora.send(data, sizeof(data))) { + printf("lora.send(): failed\r\n"); + led2_off(); + return; + } + lora.waitPacketSent(); + printf("lora.send(): success\r\n"); + led2_off(); +} + +void handle_cmd(uint8_t cmd) +{ + switch(cmd) { + case 's': send_lora_msg(); break; + case 'r': reset2bootloader(); break; + default: printf("error\r\n"); return; + } + printf("ok\r\n"); +} + +int main(void) +{ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + cpu_init(); + led_init(); + usbio_init(); + sei(); + + lora.init(); + lora.setFrequency(868.0); + + for(;;) { + if(lora.available()) { + recv_lora_msg(); + } + + int16_t BytesReceived = usbio_bytes_received(); + while(BytesReceived > 0) { + int ReceivedByte = fgetc(stdin); + if(ReceivedByte != EOF) { + handle_cmd(ReceivedByte); + } + BytesReceived--; + } + + usbio_task(); + } +} |