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{

while(!(IFG2 & UCB0TXIFG));

UCB0TXBUF = tx_data;

while(UCB0STAT & UCBUSY);

}

unsigned char SPI_read(void)

{

unsigned char rx_data = 0;

while(!(IFG2 & UCB0RXIFG));

rx_data = UCB0RXBUF;

while(UCB0STAT & UCBUSY);

return rx_data;

}

unsigned char SPI_transfer(unsigned char tx_data)

{

unsigned char rx_data = 0;

while(!(IFG2 & UCB0TXIFG));

UCB0TXBUF = tx_data;

while(UCB0STAT & UCBUSY);

while(!(IFG2 & UCB0RXIFG));

rx_data = UCB0RXBUF;

while(UCB0STAT & UCBUSY);

return rx_data;

}

SSD1306.h

#include <MSP430.h>

#include "delay.h"

#include "HW_SPI.h"

#define OLED_PORT P1OUT

#define OLED_DIR P1DIR

#define RST_pin BIT2

#define DC_pin BIT3

#define CS_pin BIT4

#define OLED_PORT_OUT() OLED_DIR |= (RST_pin | DC_pin |

CS_pin)

#define OLED_RST_HIGH() OLED_PORT |= RST_pin

#define OLED_RST_LOW() OLED_PORT &= ~RST_pin

#define OLED_DC_HIGH() OLED_PORT |= DC_pin

#define OLED_DC_LOW() OLED_PORT &= ~DC_pin

#define OLED_CS_HIGH() OLED_PORT |= CS_pin

#define OLED_CS_LOW() OLED_PORT &= ~CS_pin

#define Set_Lower_Column_Start_Address_CMD 0x00

Brand	Texas Instruments
Model	MSP430
Category	Microcontrollers
Language	English

Texas Instruments MSP430 User Manual

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