SugarAddict lcd driver

lcd7110.c

/*
 * main.c
 */
#include "inc\hw_types.h"
#include "inc\hw_memmap.h"
#include "driverlib\pin_map.h"
#include "inc\lm4f120h5qr.h"
#include "driverlib\sysctl.h"
#include "driverlib\ssi.h"
#include "driverlib\gpio.h"

void LCDSend(unsigned long ulData);
void LCDInit();
void LCDGotoXY(short col, short row);
int main(void) {
	SysCtlClockSet(
			SYSCTL_SYSDIV_4 | SYSCTL_USE_PLL | SYSCTL_XTAL_16MHZ
					| SYSCTL_OSC_MAIN);
// Nuke on-board LEDs
	SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
	GPIOPinTypeGPIOOutput(GPIO_PORTF_BASE,
			GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3);
	GPIOPinWrite(GPIO_PORTF_BASE, (GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3), 0x00);
// PB0: Reset
// PB1: Chip Select(L)
// PB2: Data(H)/Command(L)
	SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB); // Before SSI
	GPIOPinTypeGPIOOutput(GPIO_PORTB_BASE,
			GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2);
// Setup SSI
	SysCtlPeripheralEnable(SYSCTL_PERIPH_SSI2);
	GPIOPinConfigure(GPIO_PB4_SSI2CLK);
	GPIOPinConfigure(GPIO_PB5_SSI2FSS);
	GPIOPinConfigure(GPIO_PB6_SSI2RX);
	GPIOPinConfigure(GPIO_PB7_SSI2TX);
	GPIOPinTypeSSI(GPIO_PORTB_BASE,
			GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7);
	SSIConfigSetExpClk(SSI2_BASE, SysCtlClockGet(), SSI_FRF_MOTO_MODE_0,
			SSI_MODE_MASTER, 20000000, 8);
	SSIEnable(SSI2_BASE);
	LCDInit();
	LCDGotoXY(1, 1);
	LCDSend(0x46);
	LCDSend(0x49);
	LCDSend(0x49);
	LCDSend(0x49);
	LCDSend(0x31);
	while (1) {
		SysCtlDelay(100);
	}
}
void LCDSend(unsigned long ulData) {
	GPIOPinWrite(GPIO_PORTB_BASE, GPIO_PIN_1, 0x00); // CS LOW
	SysCtlDelay(200);
	SSIDataPut(SSI2_BASE, ulData);
	while (SSIBusy(SSI2_BASE)) { //kill time
	}
	GPIOPinWrite(GPIO_PORTB_BASE, GPIO_PIN_1, 0x02); // CS HIGH
	SysCtlDelay(200);
}
void LCDInit() {
// Initially only Reset High
	GPIOPinWrite(GPIO_PORTB_BASE, (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2), 0x01);
	SysCtlDelay(200);
// Set all High
	GPIOPinWrite(GPIO_PORTB_BASE, (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2), 0x07);
	SysCtlDelay(200);
// Reset Low
	GPIOPinWrite(GPIO_PORTB_BASE, (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2), 0x06);
	SysCtlDelay(200);
// Reset High
	GPIOPinWrite(GPIO_PORTB_BASE, (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2), 0x07);
	SysCtlDelay(200);
// Command Low
	GPIOPinWrite(GPIO_PORTB_BASE, (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2), 0x03);
	SysCtlDelay(200);
	LCDSend(0xA6); //Display: Normal
	LCDSend(0xA3); //LCD Bias Settings: 1/7 (0xA2 for 1/9)
	LCDSend(0xA0); //ADC Selection: Reverse
	LCDSend(0xA1); //ADC Selection: Reverse
//LCDSend(0xC8); //Common Output: Upside Down
	LCDSend(0xC0); //Common Output: Normal Direction
	LCDSend(0x22); //Set the V5 output Voltage
	LCDSend(0x81); //set Electronic Volume - brightness
	LCDSend(0x2E); //Power Controller Set:
	LCDSend(0x2F); //Power Controller Set: Voltage follower circuit: ON
	LCDSend(0xE3); //Non-OPeration Command
	LCDSend(0x40); //Set the start line
	LCDSend(0xAF); //LCD On
	LCDSend(0xA4); //Display All Points: NORMAL
// Data High
	GPIOPinWrite(GPIO_PORTB_BASE, (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2), 0x07);
	SysCtlDelay(200);
}

void LCDGotoXY(short col, short row) {
	GPIOPinWrite(GPIO_PORTB_BASE, GPIO_PIN_2, 0x00); // Command Low
	SysCtlDelay(200);
	LCDSend(0xB0 + row); // page address
	col += 18;
	LCDSend(0x10 + (col >> 4)); // column address
	LCDSend(0x00 + (col & 0x0F));
	GPIOPinWrite(GPIO_PORTB_BASE, GPIO_PIN_2, 0x04); // Data High
	SysCtlDelay(200);
}