From 5953ff201c4b3c3ce454d9be651b9bbcfd62230b Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@mur.at>
Date: Tue, 17 Feb 2015 02:31:30 +0100
Subject: hhd70: started hhd70dongle form scratch

---
 software/hhd70dongle/hhd70dongle.c | 106 +++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 software/hhd70dongle/hhd70dongle.c

(limited to 'software/hhd70dongle/hhd70dongle.c')

diff --git a/software/hhd70dongle/hhd70dongle.c b/software/hhd70dongle/hhd70dongle.c
new file mode 100644
index 0000000..a1c9f26
--- /dev/null
+++ b/software/hhd70dongle/hhd70dongle.c
@@ -0,0 +1,106 @@
+/*
+ *
+ *  mur.sat
+ *
+ *  Somewhen in the year 20xx, 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) 2013-2015 Christian Pointner <equinox@mur.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 <avr/interrupt.h>
+#include <avr/power.h>
+#include <stdio.h>
+
+#include "led.h"
+#include "util.h"
+#include "usbio.h"
+
+#include "cc1101.h"
+#include "cc1101_defines.h"
+
+#define DEFAULT_FREQ 437525
+
+static void reset_hhd70(void)
+{
+  printf("soft resetting HHD70.\r\n");
+  cc1101_soft_reset();
+}
+
+static void reinit_hhd70(void)
+{
+  printf("initializing HHD70.\r\n");
+  cc1101_reg_init();
+}
+
+static void print_status(void)
+{
+  printf("HHD70 status:\r\n");
+  printf(" to be implemented...\r\n");
+}
+
+static void handle_cmd(uint8_t cmd)
+{
+  switch(cmd) {
+  case '0': led_off(); printf("led OFF\r\n"); break;
+  case '1': led_on(); printf("led ON\r\n"); break;
+  case 't': led_toggle(); printf("led TOGGLE\r\n"); break;
+  case '!': cc1101_soft_reset(); reset2bootloader(); break;
+  case 'r': reset_hhd70(); break;
+  case 'i': reinit_hhd70(); break;
+  case 'P': cc1101_powerdown(); print_status(); break;
+  case 'D': cc1101_dump_register(); break;
+
+  default: printf("unknown command\r\n"); return;
+  }
+}
+
+int main(void)
+{
+  MCUSR &= ~(1 << WDRF);
+  wdt_disable();
+
+  cpu_init();
+  led_init();
+  usbio_init();
+
+  cc1101_init();
+
+  sei();
+  for(;;) {
+    int16_t BytesReceived = usbio_bytes_received();
+    while(BytesReceived > 0) {
+      int ReceivedByte = fgetc(stdin);
+      if(ReceivedByte != EOF) {
+        handle_cmd(ReceivedByte);
+      }
+      BytesReceived--;
+    }
+
+    usbio_task();
+  }
+}
-- 
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