nextion.h

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#ifndef NEXTION_H
#define NEXTION_H
 
#include <stdint.h>
#include <strbuf.h>
 
// Serial insturcitons must be terminated with 3 bytes 0xFF
#define NXT_CMD_TERM "\xFF\xFF\xFF"
#define ASCII_OFFSET 48
 
// Nextion Command Strings
#define NXT_BACKGROUND_COLOR ".bco="
#define NXT_FONT_COLOR       ".pco="
#define NXT_VALUE            ".val="
#define NXT_TEXT             ".txt="
#define NXT_BORDERW          ".borderw="
#define NXT_BORDER_COLOR     ".borderc="
#define NXT_PAGE             "page "
#define NXT_BRIGHTNESS       "dims="
#define NXT_BAUD             "bauds="
 
// Function Prototypes
void NXT_setFloat(char* obj_name, char* param, float num, uint8_t precision);
void NXT_setValue(char* obj_name, uint16_t val);
void NXT_setBackground(char* obj_name, uint16_t val);
void NXT_setFontColor(char* obj_name, uint16_t val);
void NXT_setBorderWidth(char* obj_name, uint16_t val);
void NXT_setBorderColor(char* obj_name, uint16_t val);
void NXT_setText(char* obj_name, char* text);
void NXT_setTextFormatted(char* obj_name, const char* format, ...);
void NXT_setPage(char* page_name);
 
// Configuration Functions
void NXT_setBrightness(uint8_t brightness);
void NXT_setBaud(uint32_t baud);
 
#endif // NEXTION_H