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/*
*
* mur.sat
*
* Somewhen in the year 2012, mur.at will have a nano satellite launched
* into a low earth orbit (310 km above the surface of our planet). The
* satellite itself is a TubeSat personal satellite kit, developed and
* launched by interorbital systems. mur.sat is a joint venture of mur.at,
* ESC im Labor and realraum.
*
* Please visit the project hompage at sat.mur.at for further information.
*
*
* Copyright (C) 2012 Bernhard Tittelbach <xro@realraum.at>
*
* This file is part of mur.sat.
*
* mur.sat 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.
*
* mur.sat 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 mur.sat. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <avr/io.h>
#include <avr/wdt.h>
#include <util/delay.h>
//#include <avr/stdio.h>
#include <avr/interrupt.h>
//#include <avr/power.h>
#include "led.h"
#include "util.h"
#include "hhd70.h"
#include "c1101lib.h"
#define CPU_PRESCALE(n) do { CLKPR = 0x80; CLKPR = (n); } while(0)
char read_buffer[64]; // buffer for reading usb signals
char write_buffer[64]; // buffer for writing usb signals
//TODOs:
//* make adc work ?
// * remove code duplications
// * speed up and simplify code
// * make as much use of sleep modes as possible
// * use adc noise canceler (i.e. automatic sampling during cpu sleep)
// * read atmega temp
// * safely save state in eeprom (2 memory regions, only use the one with the "written successfully bit" which is written last)
// * what if c1101 resets spuriously and clears it's settings ? -> check peridically ?
/* ###### ######
LUFA Library
Copyright (C) Dean Camera, 2012.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
//#include <LUFA/Drivers/Peripheral/SPI.h>
//#include <LUFA/Drivers/Misc/RingBuffer.h>
#include <LUFA/Drivers/USB/USB.h>
#include "lufa-descriptor-usbserial.h"
/* Global I/O Buffers: */
//static RingBuffer_t SPItoUSB_Buffer;
//static uint8_t SPItoUSB_Buffer_Data[8];
/** LUFA CDC Class driver interface configuration and state information. This structure is
* passed to all CDC Class driver functions, so that multiple instances of the same class
* within a device can be differentiated from one another.
*/
USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
{
.Config =
{
.ControlInterfaceNumber = 0,
.DataINEndpointNumber = CDC_TX_EPNUM,
.DataINEndpointSize = CDC_TXRX_EPSIZE,
.DataINEndpointDoubleBank = false,
.DataOUTEndpointNumber = CDC_RX_EPNUM,
.DataOUTEndpointSize = CDC_TXRX_EPSIZE,
.DataOUTEndpointDoubleBank = false,
.NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,
.NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE,
.NotificationEndpointDoubleBank = false,
},
};
void EVENT_USB_Device_ConfigurationChanged(void)
{
CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);
}
void EVENT_USB_Device_ControlRequest(void)
{
CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
}
/* ###### end LUFA CDC-ACM specific definitions ###### */
int main(void)
{
MCUSR &= ~(1 << WDRF);
wdt_disable(); // FIXME: disable WatchDog for now, but use it later...
CPU_PRESCALE(0); //cpu_init
led_init();
USB_Init();
hhd70_init();
DDRB &= ~(1<<DDB5); // set PB5/ADC12 to INPUT (c1101 temp sensor)
sei(); //set enable global interrupt
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"hhd70dongle ready\r\n");
_delay_ms(500);
c1101_init();
hhd70_palna_rxmode();
for(;;)
{
int16_t num_bytes_received = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface);
while(num_bytes_received > 0)
{
int16_t recv_byte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
num_bytes_received--;
if (recv_byte >= 0 && (char) recv_byte == 'r')
{
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "resetting\r\n");
reset();
}
}
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
c1101_spi_strobe_command(SPIC1101_ADDR_SRX); // enter RX - Mode
_delay_ms(1000);
if (hhd70_rx_data_available() == 1)
{
led_on();
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"RX: GDO2 pin HIGH\r\n");
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"c1101 rx bytes:");
debug_sprint_int16hex(write_buffer, c1101_spi_read_register(SPIC1101_ADDR_RXBYTES));
CDC_Device_SendString(&VirtualSerial_CDC_Interface,write_buffer);
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"\r\n");
c1101_recieveData();
led_off();
}
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"c1101 rssi:\r\n");
debug_sprint_int16hex(write_buffer, c1101_spi_read_register(SPIC1101_ADDR_RSSI));
CDC_Device_SendString(&VirtualSerial_CDC_Interface,write_buffer);
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"c1101 tx bytes:\r\n");
debug_sprint_int16hex(write_buffer, c1101_spi_read_register(SPIC1101_ADDR_TXBYTES));
CDC_Device_SendString(&VirtualSerial_CDC_Interface,write_buffer);
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"c1101 rx bytes:\r\n");
debug_sprint_int16hex(write_buffer, c1101_spi_read_register(SPIC1101_ADDR_RXBYTES));
CDC_Device_SendString(&VirtualSerial_CDC_Interface,write_buffer);
c1101_spi_dump_registers_to_usb();
write_buffer[0]='T';
write_buffer[1]='e';
write_buffer[2]='m';
write_buffer[3]='p';
write_buffer[4]='s';
write_buffer[5]=':';
adc_on();
_delay_ms(250);
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"temp c1101: ");
debug_sprint_int16hex(write_buffer+6, c1101_measureTemp());
CDC_Device_SendString(&VirtualSerial_CDC_Interface,write_buffer+6);
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"\r\n");
_delay_ms(250);
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"temp atmega: ");
debug_sprint_int16hex(write_buffer+10, adc_read(ADCMUX_ADC12));
CDC_Device_SendString(&VirtualSerial_CDC_Interface,write_buffer+10);
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"\r\n");
adc_off();
_delay_ms(250);
led_on();
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"TX Data: String\r\n");
c1101_transmitData("OE6EOF test mur.sat GFSK r:9k6 fdev:3mhz 1234567890123456789012345678901234567890 End of Test",93);
led_off();
_delay_ms(100);
led_on();
CDC_Device_SendString(&VirtualSerial_CDC_Interface,"TX Data: Temps\r\n");
c1101_transmitData((char*) write_buffer,14);
led_off();
}
}
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