ECE3849/HAL_EK_TM4C1294XL_Crystalfontz128x128_ST7735.h
2025-03-20 11:20:21 -04:00

101 lines
4.2 KiB
C

/* --COPYRIGHT--,BSD
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//*****************************************************************************
//
// HAL_EK_TM4C1294XL_Crystalfontz128x128_ST7735.h -
// Hardware abstraction layer for using the Educational Boosterpack's
// Crystalfontz128x128 LCD with EK-TM4C1294XL LaunchPad
//
// Ported by Gene Bogdanov 8/30/2017
//
//*****************************************************************************
#ifndef __HAL_EK_TM4C1294XL_CRYSTALFONTZLCD_H_
#define __HAL_EK_TM4C1294XL_CRYSTALFONTZLCD_H_
#include <stdint.h>
#include "driverlib/sysctl.h"
//*****************************************************************************
//
// User Configuration for the LCD Driver
//
//*****************************************************************************
// System clock speed (in Hz)
#define LCD_SYSTEM_CLOCK 120000000 // EK-TM4C1294XL at full speed
// SPI clock speed (in Hz)
#define LCD_SSI_CLOCK 15000000
// Ports and pins from MCU connected to LCD (BOOSTXL-EDUMKII as BoosterPack 2 of EK-TM4C1294XL)
// SCK
#define LCD_SCK_PERIPH SYSCTL_PERIPH_GPIOQ
#define LCD_SCK_BASE GPIO_PORTQ_BASE
#define LCD_SCK_PIN GPIO_PIN_0
#define LCD_SCK_CONFIG GPIO_PQ0_SSI3CLK
// MOSI
#define LCD_MOSI_PERIPH SYSCTL_PERIPH_GPIOQ
#define LCD_MOSI_BASE GPIO_PORTQ_BASE
#define LCD_MOSI_PIN GPIO_PIN_2
#define LCD_MOSI_CONFIG GPIO_PQ2_SSI3XDAT0
// RST
#define LCD_RST_PERIPH SYSCTL_PERIPH_GPIOA
#define LCD_RST_BASE GPIO_PORTA_BASE
#define LCD_RST_PIN GPIO_PIN_7
// CS
#define LCD_CS_PERIPH SYSCTL_PERIPH_GPIOP
#define LCD_CS_BASE GPIO_PORTP_BASE
#define LCD_CS_PIN GPIO_PIN_3
// DC (RS)
#define LCD_DC_PERIPH SYSCTL_PERIPH_GPIOK
#define LCD_DC_BASE GPIO_PORTK_BASE
#define LCD_DC_PIN GPIO_PIN_7
// SPI (SSI) configuration
#define LCD_SSI_PERIPH SYSCTL_PERIPH_SSI3
#define LCD_SSI_BASE SSI3_BASE
#define LCD_SSI_PROTOCOL SSI_FRF_MOTO_MODE_0
#define LCD_SSI_DATA_WIDTH 8 // bits
//*****************************************************************************
//
// Prototypes for the globals exported by this driver.
//
//*****************************************************************************
extern void HAL_LCD_writeCommand(uint8_t command);
extern void HAL_LCD_writeData(uint8_t data);
extern void HAL_LCD_PortInit(void);
extern void HAL_LCD_SpiInit(void);
#define HAL_LCD_delay(x) SysCtlDelay((x) * 40) // delay in us
#endif /* __HAL_EK_TM4C1294XL_CRYSTALFONTZLCD_H_ */