Initial Commit

esp8266/example_500k_raw/rf_data_gen.c

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+/*
+MIT License
+
+Copyright (c) 2024 Charles Lohr "CNLohr"
+
+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.
+*/
+
+#include <stdint.h>
+
+const double center_frequency = 904.6;
+const double bw = .5;
+const uint32_t memory_offset = 0x20000;
+#define SF_NUMBER 10
+#define SF_SYMBOL_TIME 0.00000025
+#define MEM_MAX_BYTES 68000
+
+#if SF_NUMBER < 7
+#warning SF6 still does not work :(
+#endif
+
+#define SPI_DIV 1
+
+// Funny modes:
+/// 80MHz, SF8,  SPI_DIV 5 @903.9/904.1 produces hilarious mirror images around 904.0
+
+#if MAIN_MHZ == 80
+const double sample_rate = 1040.0/13.0/SPI_DIV;
+
+#elif MAIN_MHZ == 115
+const double sample_rate = 1040.0/9.0/SPI_DIV;
+
+#elif MAIN_MHZ == 52
+const double sample_rate = 1040.0/20.0/SPI_DIV;
+
+#elif MAIN_MHZ == 173
+const double sample_rate = 1040.0/6.0/SPI_DIV;
+
+#else
+#error Unknown Clock Rate
+#endif
+
+
+#include "../../lib/rf_data_gen.h"
+
+int main()
+{
+	return gen_buffer_files();
+}