pcd8544.h

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// Copyright 2021 IOsetting <iosetting(at)outlook.com>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#ifndef __FW_PCD8544__
#define __FW_PCD8544__
 
#include "fw_hal.h"
 
#define PCD8544_CS           P35
#define PCD8544_MOSI         P34
#define PCD8544_SCK          P32
#define PCD8544_RES          P37
#define PCD8544_DC           P36
#define PCD8544_BL           P12
 
// X width
#define PCD8544_WIDTH  84
// Y height
#define PCD8544_HEIGHT 48
// Display RAM Pages
#define PCD8544_PAGES  6
 
#define PCD8544_FUNCTIONSET         0x20 // Function set
#define  PCD8544_POWERDOWN          0x04 // Function set, power down mode
#define  PCD8544_ENTRYMODE          0x02 // Function set, entry mode (vertical addressing)
#define  PCD8544_EXT_INSTRUCTION    0x01 // Function set, extended instruction set control
 
#define PCD8544_DISPLAY_CONTROL     0x08 // Basic instruction set - Set display configuration
#define  PCD8544_DISPLAY_BLANK      0x00 // Display control, blank
#define  PCD8544_DISPLAY_NORMAL     0x04 // Display control, normal mode
#define  PCD8544_DISPLAY_ALLON      0x01 // Display control, all segments on
#define  PCD8544_DISPLAY_INVERTED   0x05 // Display control, inverse mode
 
#define PCD8544_SET_YADDR           0x40 // Basic instruction set - Set Y address of RAM, 0 <= Y <= 5
#define PCD8544_SET_XADDR           0x80 // Basic instruction set - Set X address of RAM, 0 <= X <= 83
 
#define PCD8544_SET_TEMP            0x04 // Extended instruction set - Set temperature coefficient
#define PCD8544_SET_BIAS            0x10 // Extended instruction set - Set bias system
#define PCD8544_SET_VOP             0x80 // Extended instruction set - Write Vop to register
 
typedef struct {
    uint8_t width;
    uint8_t height;
    uint8_t order;
    uint8_t bytes;
    const uint8_t *dat;
} FontDef_t;
 
extern __CODE FontDef_t Font_3x5;
extern __CODE FontDef_t Font_5x7;
 
void PCD8544_SetBackLightState(HAL_State_t state);
 
void PCD8544_WriteData(uint8_t dat);
void PCD8544_WriteSameData(uint8_t dat, uint32_t size);
 
void PCD8544_WriteCommand(uint8_t command);
 
void PCD8544_Reset(void);
 
void PCD8544_SetPowerDownMode(HAL_State_t state);
 
void PCD8544_SetBias(uint8_t val);
 
void PCD8544_SetTemperatureCoef(uint8_t val);
 
void PCD8544_SetContrast(uint8_t bias, uint8_t val);
 
void PCD8544_SetDisplayAllOn(void);
 
void PCD8544_SetDisplayInverted(void);
 
void PCD8544_SetDisplayBlank(void);
 
void PCD8544_SetDisplayNormal(void);
 
void PCD8544_Init(void);
 
void PCD8544_Fill(uint8_t color);
 
void PCD8544_UpdateScreen(void);
 
void PCD8544_DrawPixel(uint8_t x, uint8_t y, uint8_t color);
 
void PCD8544_DrawLine(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint8_t color);
 
void PCD8544_GotoXY(uint8_t x, uint8_t y);
 
char PCD8544_Putc(char ch, FontDef_t* font, uint8_t color);
 
char PCD8544_Puts(char* str, FontDef_t* Font, uint8_t color);
 
#endif // __PCD8544_H_