primo commit

squeow_sw/Inc/si5351.h

@@ -0,0 +1,36 @@
+#define SI5351_ADDRESS		(0x60)
+
+#define SI5351_CRYSTAL_FREQ	24000000
+
+#define SI5351_MIN_FREQ		3000
+#define SI5351_MAX_FREQ		200000000
+
+// #### registri ####
+
+#define SI5351_OUT_ENABLE	3
+#define SI5351_OUT_DIS_STATE	24
+
+#define SI5351_INPUT_SOURCE	15
+
+#define	SI5351_CLK0_CONTROL	16
+#define	SI5351_CLK1_CONTROL	17
+#define	SI5351_CLK2_CONTROL	18
+
+#define SI5351_PLLA		26
+#define SI5351_PLLB		34
+
+#define SI5351_MULTISYNTH0	42
+#define SI5351_MULTISYNTH1	50
+#define SI5351_MULTISYNTH2	58
+
+#define SI5351_RESET		177
+#define SI5351_CRYSTAL_LOAD	183
+
+extern I2C_HandleTypeDef hi2c1;
+
+void si5351_initialize(void);
+void si5351_set_frequency(uint32_t freq, uint8_t pll);
+void si5351_off_clk(uint8_t clk);
+void si5351_on_clk(uint8_t clk);
+
+extern uint8_t oeb;