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Derisis13
b6bac30388
* Feature: `set_ports()` for setting GP ports * Change: removal of `static` and `inline` keywords to enable going library
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
//
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// Created by lacko on 02/03/2022.
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//
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#ifndef _PT6302_H_
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#define _PT6302_H_
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/* PT6302 timing constants, all in usec */
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static const uint8_t TCW = 1; //CLKB pulse width
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static const uint8_t TDOFF = 16; //Data processing time
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static const uint8_t DTCSH = 16; //time difference between tDOFF and tCSH
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static const uint8_t TPRZ = 100; //VDD rise time
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static const uint8_t TWRSTB = 1; //RSTB pulse width
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enum pins {
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RSTpin = (1 << PC2),
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CSBpin = (1 << PB0),
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CLKBpin = (1 << PB6),
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DINpin = (1 << PB7),
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};
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/* -------------------------------------------------------------
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* Initial setup for the VFD controller interface
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* Sets up the connected pins and leaves them in inactive state.
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* ------------------------------------------------------------- */
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void PT6302_startup(void);
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/* -------------------------------------------------------------------------------
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* Transmits size byte of data through the VFD controller's interface from payload
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* Handles CLKB, CSB and timing constraints
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* ------------------------------------------------------------------------------- */
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void transmit_bytes (const uint8_t* payload, uint8_t size);
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/* ---------------------------------------------------------
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* Sets GP1 and GP2 to the values given in the function call
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* Handles the entire communication
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* --------------------------------------------------------- */
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void set_ports(uint8_t gp1, uint8_t gp2);
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#endif //_PT6302_H_
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