Innitial commit, blinky

PT6302.h

@@ -0,0 +1,42 @@
+//
+// Created by lacko on 02/03/2022.
+//
+
+#ifndef _PT6302_H_
+#define _PT6302_H_
+
+/* PT6302 timing constants, all in usec */
+#define TCW 1     //CLKB pulse width
+#define TDOFF 8   //Data processing time
+#define DTCSH 16  //time difference between tDOFF and tCSH
+#define TPRZ 100  //VDD rise time
+#define TWRSTB 1  //RSTB pulse width
+
+#define RSTpin (uint8_t) (1 << PC2)
+#define CSBpin (uint8_t) (1 << PB0)
+#define CLKBpin (uint8_t) (1 << PB6)
+#define DINpin (uint8_t) (1 << PB7)
+
+
+/* -------------------------------------------------------------
+ * Innitial setup for the VFD controller interface
+ * Sets up the connected pins and leaves them in inactive state.
+ * ------------------------------------------------------------- */
+void PT6302_startup(void);
+
+
+/* -------------------------------------------------------------------------------
+ * Transmits size byte of data through the VFD controller's interface from payload
+ * Handles CLKB, CSB and timing constraints
+ * ------------------------------------------------------------------------------- */
+void transmit_bytes (const uint8_t* payload, uint8_t size);
+
+
+/* --------------------------------------------------------------
+ * Set the brightness of the VFD
+ * level can be between 0-7, 7 and larger will set max brightness
+ * It sets the display's duty cycle to conroll the brightness
+ * -------------------------------------------------------------- */
+void set_display_brightness (uint8_t level);
+
+#endif //_PT6302_H_