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* Feature: functions to set all RAM types

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Derisis13
2022-03-07 23:59:00 +01:00
parent 6aaefc300f
commit c87bd472a3
3 changed files with 100 additions and 1 deletions
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40
PT6302.h
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@@ -5,6 +5,8 @@
#ifndef _PT6302_H_
#define _PT6302_H_
#define DISPLAY_DIGITS 12
/* PT6302 timing constants, all in usec */
static const uint8_t TCW = 1; //CLKB pulse width
static const uint8_t TDOFF = 16; //Data processing time
@@ -19,6 +21,12 @@ enum pins {
DINpin = (1 << PB7),
};
enum RAM_types{
DCRAM = 0x10,
CGRAM = 0x20,
ADRAM = 0x30,
};
/* -------------------------------------------------------------
* Initial setup for the VFD controller interface
* Sets up the connected pins and leaves them in inactive state.
@@ -52,4 +60,36 @@ void set_digits(uint8_t digit_count);
* ----------------------------------------------------------- */
void set_duty (uint8_t brightness);
/* ------------------------------------------------------------------------------------------
* Set the content of the DCRAM - this will display a character from the CGROM/RAM at address
* cd_address is an array of the CGROM/RAM addresses of characters to display
* size is the number of characters to display (max DISPLAY_DIGITS - address)
* if exceeded, max possible number of characters will be displayed
* address is the starting address (4 bits, max DISPLAY_DIGITS)
* if DISPLAY_DIGITS is exceeded, no characters will be set
* Handles the entire communication
* ------------------------------------------------------------------------------------------ */
void set_DCRAM(uint8_t address, const uint8_t* cg_address, uint8_t size);
/* -------------------------------------------------------------------------------
* Set the content of the CGRAM - this will write custom characters into the CGRAM
* data is an array of 5-byte arrays that contain the custom character data
* size is the number of 5-byte arrays
* address is the starting address (3 bits)
* Handles the entire communication
* ------------------------------------------------------------------------------- */
void set_CGRAM (uint8_t address, const uint8_t *data, uint8_t size);
/* ---------------------------------------------------------------------------------------
* Set the content of the ADRAM - This will cause the corresponding segments to be set
* data is an array containing sequential data of the segments (one byte for two segments)
* elements of the array are truncated after two bits
* size is the number of segment pairs to be changed (max DISPLAY_DIGITS pairs - address)
* if exceeded, max possible number of segment pairs will be set
* address is the starting address (4 bits, max DISPLAY_DIGITS)
* if DISPLAY_DIGITS is exceeded, no segment pairs will be set
* Handles the entire communication
* --------------------------------------------------------------------------------------- */
void set_ADRAM(uint8_t address, const uint8_t* data, uint8_t size);
#endif //_PT6302_H_