tm_stm32f4_pcd8544.h

#ifndef PCD8544_H
#define PCD8544_H 100

#include "defines.h"
#include "stm32f4xx.h"
#include "stm32f4xx_gpio.h"
#include "stm32f4xx_rcc.h"
#include "tm_stm32f4_spi.h"

//SPI used
#ifndef PCD8544_SPI
#define PCD8544_SPI             SPI2
#define PCD8544_SPI_PINSPACK    TM_SPI_PinsPack_1
#endif

//Default pins used
//Default RST pin
#ifndef PCD8544_RST_PIN
#define PCD8544_RST_RCC         RCC_AHB1Periph_GPIOC
#define PCD8544_RST_PORT        GPIOC
#define PCD8544_RST_PIN         GPIO_Pin_15
#endif
//Default DC pin
#ifndef PCD8544_DC_PIN
#define PCD8544_DC_RCC          RCC_AHB1Periph_GPIOC
#define PCD8544_DC_PORT         GPIOC
#define PCD8544_DC_PIN          GPIO_Pin_14
#endif
//Default CE pin
#ifndef PCD8544_CE_PIN
#define PCD8544_CE_RCC          RCC_AHB1Periph_GPIOC
#define PCD8544_CE_PORT         GPIOC
#define PCD8544_CE_PIN          GPIO_Pin_13
#endif

#define PCD8544_CE_LOW          GPIO_ResetBits(PCD8544_CE_PORT, PCD8544_CE_PIN)
#define PCD8544_CE_HIGH         GPIO_SetBits(PCD8544_CE_PORT, PCD8544_CE_PIN)

typedef enum {
    PCD8544_COMMAND = 0,
    PCD8544_DATA = !PCD8544_COMMAND
} PCD8544_WriteType_t;

typedef enum {
    PCD8544_State_Low = 0,
    PCD8544_State_High = !PCD8544_State_Low
} PCD8544_State_t;

typedef enum {
    PCD8544_Pin_DC = 1,
    PCD8544_Pin_RST = 2
} PCD8544_Pin_t;

typedef enum {
    PCD8544_Pixel_Clear = 0,
    PCD8544_Pixel_Set = !PCD8544_Pixel_Clear
} PCD8544_Pixel_t;

typedef enum {
    PCD8544_FontSize_5x7 = 0,
    PCD8544_FontSize_3x5 = !PCD8544_FontSize_5x7
} PCD8544_FontSize_t;

typedef enum {
    PCD8544_Invert_Yes,
    PCD8544_Invert_No
} PCD8544_Invert_t;


#define PCD8544_WIDTH               84
#define PCD8544_HEIGHT              48

// PCD8544 Commandset
// ------------------
// General commands
#define PCD8544_POWERDOWN           0x04
#define PCD8544_ENTRYMODE           0x02
#define PCD8544_EXTENDEDINSTRUCTION 0x01
#define PCD8544_DISPLAYBLANK        0x00
#define PCD8544_DISPLAYNORMAL       0x04
#define PCD8544_DISPLAYALLON        0x01
#define PCD8544_DISPLAYINVERTED     0x05
// Normal instruction set
#define PCD8544_FUNCTIONSET         0x20
#define PCD8544_DISPLAYCONTROL      0x08
#define PCD8544_SETYADDR            0x40
#define PCD8544_SETXADDR            0x80
// Extended instruction set
#define PCD8544_SETTEMP             0x04
#define PCD8544_SETBIAS             0x10
#define PCD8544_SETVOP              0x80
// Display presets
#define PCD8544_LCD_BIAS            0x03    // Range: 0-7 (0x00-0x07)
#define PCD8544_LCD_TEMP            0x02    // Range: 0-3 (0x00-0x03)
#define PCD8544_LCD_CONTRAST        0x46    // Range: 0-127 (0x00-0x7F)

#define PCD8544_CHAR5x7_WIDTH       6 //5*8
#define PCD8544_CHAR5x7_HEIGHT      8
#define PCD8544_CHAR3x5_WIDTH       4 //3*5
#define PCD8544_CHAR3x5_HEIGHT      6

#define PCD8544_BUFFER_SIZE         PCD8544_WIDTH * PCD8544_HEIGHT / 8


extern void PCD8544_InitIO(void);

extern void PCD8544_send(unsigned char data);

extern void PCD8544_Pin(PCD8544_Pin_t pin, PCD8544_State_t state);

extern void PCD8544_Delay(unsigned long micros);

extern void PCD8544_Write(PCD8544_WriteType_t cd, unsigned char data);

extern void PCD8544_UpdateArea(unsigned char xMin, unsigned char yMin, unsigned char xMax, unsigned char yMax);

extern void PCD8544_Init(unsigned char contrast);

extern void PCD8544_SetContrast(unsigned char contrast);

extern void PCD8544_Invert(PCD8544_Invert_t invert);

extern void PCD8544_Clear(void);

extern void PCD8544_DrawPixel(unsigned char x, unsigned char y, PCD8544_Pixel_t pixel);

extern void PCD8544_Home(void);

extern void PCD8544_Refresh(void);

extern void PCD8544_GotoXY(unsigned char x, unsigned char y);

extern void PCD8544_Putc(char c, PCD8544_Pixel_t color, PCD8544_FontSize_t size);

extern void PCD8544_Puts(char *c, PCD8544_Pixel_t color, PCD8544_FontSize_t size);

extern void PCD8544_DrawLine(unsigned char x0, unsigned char y0, unsigned char x1, unsigned char y1, PCD8544_Pixel_t color);

extern void PCD8544_DrawRectangle(unsigned char x0, unsigned char y0, unsigned char x1, unsigned char y1, PCD8544_Pixel_t color);

extern void PCD8544_DrawFilledRectangle(unsigned char x0, unsigned char y0, unsigned char x1, unsigned char y1, PCD8544_Pixel_t color);

extern void PCD8544_DrawCircle(char x0, char y0, char r, PCD8544_Pixel_t color);

extern void PCD8544_DrawFilledCircle(char x0, char y0, char r, PCD8544_Pixel_t color);

#endif