Simuator - Work in progress

2 files changed, 118 insertions, 0 deletions

diff --git a/src/common/includes/Core/common.h b/src/common/includes/Core/common.h
new file mode 100644
index 0000000..b483dfb
--- /dev/null
+++ b/src/common/includes/Core/common.h
@@ -0,0 +1,61 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Matthias P. Braendli
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+*/
+
+/* A set of common routines for internal timekeeping and a LFSR to generate
+ * a random number
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <time.h>
+
+/* Feature defines */
+#define ENABLE_PSK31 0
+
+#define FLOAT_PI 3.1415926535897932384f
+
+void common_init(void);
+
+// Return the current timestamp in milliseconds. Timestamps are monotonic, and not
+// wall clock time.
+uint64_t timestamp_now(void);
+
+// Calculate local time from GPS time, including daylight saving time
+// Return 1 on success, 0 on failure
+// A call to this function will invalidate the information inside 'time'
+// regardless of return value.
+int local_time(struct tm *time);
+
+// Return either 0 or 1, somewhat randomly
+int random_bool(void);
+
+// Fault handling mechanism
+#define FAULT_SOURCE_MAIN  1
+#define FAULT_SOURCE_GPS   2
+#define FAULT_SOURCE_I2C   3
+#define FAULT_SOURCE_USART 4
+void trigger_fault(int source);
+
+void hard_fault_handler_extra();
diff --git a/src/common/includes/Core/usart.h b/src/common/includes/Core/usart.h
new file mode 100644
index 0000000..9d9b59c
--- /dev/null
+++ b/src/common/includes/Core/usart.h
@@ -0,0 +1,57 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Matthias P. Braendli
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+*/
+
+/* This handles the USART 3 to the GPS receiver, and fills a queue of
+ * NMEA messages.
+ *
+ * It also handles the debug USART 2 and allows sending messages to the PC.
+ */
+
+#ifndef __USART_H_
+#define __USART_H_
+
+#define MAX_NMEA_SENTENCE_LEN 256
+
+// Initialise USART2 for PC debugging
+void usart_init(void);
+
+// Initialise USART3 for GPS and NMEA queue
+// Needs running scheduler
+void usart_gps_init(void);
+
+// Send the str to the GPS receiver
+void usart_gps_puts(const char* str);
+
+// a printf to send data to the PC
+void usart_debug(const char *format, ...);
+
+// Send a string to the PC
+void usart_debug_puts(const char* str);
+
+// Get a MAX_NMEA_SENTENCE_LEN sized NMEA sentence
+// Return 1 on success
+int usart_get_nmea_sentence(char* nmea);
+
+#endif //__USART_H_
+