void glcd_inverse_screen(unsigned char inverse) {
if (inverse) {
glcd_command(GLCD_CMD_DISPLAY_REVERSE);
} else {
glcd_command(GLCD_CMD_DISPLAY_NORMAL);
}
}
void glcd_write()
{
uint8_t bank;
for (bank = 0; bank < PCD8544_MAX_BANKS; bank++) {
/* Each bank is a single row 8 bits tall */
uint8_t column;
if (glcd_bbox_selected->y_min >= (bank+1)*8) {
continue; /* Skip the entire bank */
}
if (glcd_bbox_selected->y_max < bank*8) {
break; /* No more banks need updating */
}
glcd_command(PCD8544_SET_Y_ADDRESS | bank);
glcd_command(PCD8544_SET_X_ADDRESS | glcd_bbox_selected->x_min);
for (column = glcd_bbox_selected->x_min; column <= glcd_bbox_selected->x_max; column++)
{
glcd_data( glcd_buffer_selected[PCD8544_MAX_COLS * bank + column] );
}
}
glcd_reset_bbox();
}
void glcd_flip_screen(unsigned char flip) {
if (flip) {
glcd_command(GLCD_CMD_HORIZONTAL_NORMAL);
glcd_command(GLCD_CMD_VERTICAL_REVERSE);
glcd_flipped = 0;
} else {
glcd_command(GLCD_CMD_HORIZONTAL_REVERSE);
glcd_command(GLCD_CMD_VERTICAL_NORMAL);
glcd_flipped = 1;
}
}
void glcd_init(void)
{
#if defined(GLCD_CONTROLLER_PCD8544)
/*
* Set up SPI (SSP)
* Note: Max allowed SPI clock is 4 MHz from datasheet.
*/
/* Select SSP/SPI port */
SSP_IOConfig( CONTROLLER_SPI_PORT_NUMBER );
/* Initialise SSP/SPI port */
SSP_Init( CONTROLLER_SPI_PORT_NUMBER );
/* Above functions take care of SPI pins */
/* Set SS, DC and RST pins to output */
CONTROLLER_SS_PORT->DIR |= (1 << CONTROLLER_SS_PIN);
CONTROLLER_DC_PORT->DIR |= (1 << CONTROLLER_DC_PIN);
CONTROLLER_RST_PORT->DIR |= (1 << CONTROLLER_RST_PIN);
/* Deselect LCD */
//GLCD_DESELECT();
/* Reset the display */
glcd_reset();
/* Get into the EXTENDED mode! */
glcd_command(PCD8544_FUNCTION_SET | PCD8544_EXTENDED_INSTRUCTION);
/* LCD bias select (4 is optimal?) */
glcd_command(PCD8544_SET_BIAS | 0x2);
/* Set VOP */
glcd_command(PCD8544_SET_VOP | 50); // Experimentally determined
/* Back to standard instructions */
glcd_command(PCD8544_FUNCTION_SET);
/* Normal mode */
glcd_command(PCD8544_DISPLAY_CONTROL | PCD8544_DISPLAY_NORMAL);
glcd_select_screen(glcd_buffer,&glcd_bbox);
glcd_clear();
#else /* GLCD_CONTROLLER_PCD8544 */
#error "Controller not supported by LPC111x"
#endif
}
void glcd_init(void)
{
#if defined(GLCD_CONTROLLER_PCD8544)
// Set up SPI (SSP)
// Note: Max allowed SPI clock is 4 MHz from datasheet.
// select SSP/SPI port
SSP_IOConfig( PCD8544_SPI_PORT_NUMBER );
// initialise SSP/SPI port
SSP_Init( PCD8544_SPI_PORT_NUMBER );
// above functions take care of SPI pins
// set SS, DC and RST pins to output
PCD8544_SS_PORT->DIR |= (1 << PCD8544_SS_PIN);
PCD8544_DC_PORT->DIR |= (1 << PCD8544_DC_PIN);
PCD8544_RST_PORT->DIR |= (1 << PCD8544_RST_PIN);
// deselect LCD
//GLCD_DESELECT();
// reset the display
glcd_reset();
// get into the EXTENDED mode!
glcd_command(PCD8544_FUNCTION_SET | PCD8544_EXTENDED_INSTRUCTION);
// LCD bias select (4 is optimal?)
glcd_command(PCD8544_SET_BIAS | 0x2);
// set VOP
glcd_command(PCD8544_SET_VOP | 50); // Experimentally determined
// back to standard instructions
glcd_command(PCD8544_FUNCTION_SET);
// normal mode
glcd_command(PCD8544_DISPLAY_CONTROL | PCD8544_DISPLAY_NORMAL);
glcd_select_screen((uint8_t *)&glcd_buffer,&glcd_bbox);
glcd_clear();
#else /* GLCD_CONTROLLER_PCD8544 */
#error Controller not supported.
#endif
}
void glcd_set_contrast(uint8_t val) {
/* Can set a 6-bit value (0 to 63) */
/* Must send this command byte before setting the contrast */
glcd_command(0x81);
/* Set the contrat value ("electronic volumne register") */
if (val > 63) {
glcd_command(63);
} else {
glcd_command(val);
}
return;
}
void glcd_power_down(void)
{
/* First, fill RAM with zeroes to ensure minimum specified current consumption */
glcd_clear();
/* Power down */
glcd_command(PCD8544_FUNCTION_SET|PCD8544_POWER_DOWN);
}
void glcd_blank() {
// Reset the internal buffer
for (int n = 1; n <= (SCREEN_WIDTH * SCREEN_HEIGHT / 8) - 1; n++) {
glcd_buffer[n] = 0;
}
// Clear the actual screen
for (int y = 0; y < 8; y++) {
glcd_command(GLCD_CMD_SET_PAGE | y);
// Reset column to 0 (the left side)
glcd_command(GLCD_CMD_COLUMN_LOWER);
glcd_command(GLCD_CMD_COLUMN_UPPER);
// We iterate to 132 as the internal buffer is 65*132, not
// 64*124.
for (int x = 0; x < 132; x++) {
glcd_data(0x00);
}
}
}
void glcd_refresh() {
for (int y = 0; y < 8; y++) {
#ifdef ST7565_DIRTY_PAGES
// Only copy this page if it is marked as "dirty"
if (!(glcd_dirty_pages & (1 << y))) continue;
#endif
glcd_command(GLCD_CMD_SET_PAGE | y);
// Reset column to the left side. The internal memory of the
// screen is 132*64, we need to account for this if the display
// is flipped.
//
// Some screens seem to map the internal memory to the screen
// pixels differently, the ST7565_REVERSE define allows this to
// be controlled if necessary.
#ifdef ST7565_REVERSE
if (!glcd_flipped) {
#else
if (glcd_flipped) {
#endif
glcd_command(GLCD_CMD_COLUMN_LOWER | 4);
} else {
glcd_command(GLCD_CMD_COLUMN_LOWER);
}
glcd_command(GLCD_CMD_COLUMN_UPPER);
for (int x = 0; x < 128; x++) {
glcd_data(glcd_buffer[y * 128 + x]);
}
}
#ifdef ST7565_DIRTY_PAGES
// All pages have now been updated, reset the indicator.
glcd_dirty_pages = 0;
#endif
}
void glcd_init() {
// Select the chip
GLCD_CS1 = 0;
GLCD_RESET = 0;
// Datasheet says "wait for power to stabilise" but gives
// no specific time!
DelayMs(50);
GLCD_RESET = 1;
// Datasheet says max 1ms here
//DelayMs(1);
// Set LCD bias to 1/9th
glcd_command(GLCD_CMD_BIAS_9);
// Horizontal output direction (ADC segment driver selection)
glcd_command(GLCD_CMD_HORIZONTAL_NORMAL);
// Vertical output direction (common output mode selection)
glcd_command(GLCD_CMD_VERTICAL_REVERSE);
// The screen is the "normal" way up
glcd_flipped = 0;
// Set internal resistor. A suitable middle value is used as
// the default.
glcd_command(GLCD_CMD_RESISTOR | 0x3);
// Power control setting (datasheet step 7)
// Note: Skipping straight to 0x7 works with my hardware.
// glcd_command(GLCD_CMD_POWER_CONTROL | 0x4);
// DelayMs(50);
// glcd_command(GLCD_CMD_POWER_CONTROL | 0x6);
// DelayMs(50);
glcd_command(GLCD_CMD_POWER_CONTROL | 0x7);
// DelayMs(10);
// Volume set (brightness control). A middle value is used here
// also.
glcd_command(GLCD_CMD_VOLUME_MODE);
glcd_command(31);
// Reset start position to the top
glcd_command(GLCD_CMD_DISPLAY_START);
// Turn the display on
glcd_command(GLCD_CMD_DISPLAY_ON);
// Unselect the chip
GLCD_CS1 = 1;
}
void glcd_init(void)
{
#if defined(GLCD_CONTROLLER_PCD8544)
/*
* Set up SPI (SSP)
* Note: Max allowed SPI clock is 4 MHz from datasheet.
*/
/* Select SSP/SPI port */
SSP_IOConfig( CONTROLLER_SPI_PORT_NUMBER );
/* Initialise SSP/SPI port */
SSP_Init( CONTROLLER_SPI_PORT_NUMBER );
/* Above functions take care of SPI pins */
/* Set SS, DC and RST pins to output */
CONTROLLER_SS_PORT->DIR |= (1 << CONTROLLER_SS_PIN);
CONTROLLER_DC_PORT->DIR |= (1 << CONTROLLER_DC_PIN);
CONTROLLER_RST_PORT->DIR |= (1 << CONTROLLER_RST_PIN);
/* Deselect LCD */
GLCD_DESELECT();
/* Reset the display */
glcd_reset();
/* Get into the EXTENDED mode! */
glcd_command(PCD8544_FUNCTION_SET | PCD8544_EXTENDED_INSTRUCTION);
/* LCD bias select (4 is optimal?) */
glcd_command(PCD8544_SET_BIAS | 0x2);
/* Set VOP */
glcd_command(PCD8544_SET_VOP | 50); // Experimentally determined
/* Back to standard instructions */
glcd_command(PCD8544_FUNCTION_SET);
/* Normal mode */
glcd_command(PCD8544_DISPLAY_CONTROL | PCD8544_DISPLAY_NORMAL);
glcd_select_screen(glcd_buffer,&glcd_bbox);
glcd_clear();
#elif defined(GLCD_CONTROLLER_NT75451)
/* Parallel interface controller used on NGX BlueBoards */
/* Set 4x control lines pins as output */
LPC_GPIO->DIR[CONTROLLER_LCD_EN_PORT] |= (1U<<CONTROLLER_LCD_EN_PIN);
LPC_GPIO->DIR[CONTROLLER_LCD_RW_PORT] |= (1U<<CONTROLLER_LCD_RW_PIN);
LPC_GPIO->DIR[CONTROLLER_LCD_RS_PORT] |= (1U<<CONTROLLER_LCD_RS_PIN);
LPC_GPIO->DIR[CONTROLLER_LCD_CS_PORT] |= (1U<<CONTROLLER_LCD_CS_PIN);
/* Don't worry about setting default RS/RW/CS/EN, they get set during use */
#ifdef CONTROLLER_LCD_DATA_PORT
/* Set data pins as output */
LPC_GPIO->DIR[CONTROLLER_LCD_D0_PORT] |= GLCD_PARALLEL_MASK;
#else
#error "Support of parallel data pins on different ports not supported."
#endif
/* Initialise sequence - code by NGX Technologies */
glcd_command(0xE2); /* S/W RESWT */
glcd_command(0xA0); /* ADC select */
glcd_command(0xC8); /* SHL Normal */
glcd_command(0xA3); /* LCD bias */
glcd_command(0x2F); /* Power control */
glcd_command(0x22); /* reg resistor select */
glcd_command(0x40); /* Initial display line 40 */
glcd_command(0xA4); /* Normal display */
glcd_command(0xA6); /* Reverce display a7 */
glcd_command(0x81); /* Ref vg select mode */
glcd_command(0x3f); /* Ref vg reg select */
glcd_command(0xB0); /* Set page address */
glcd_command(0x10); /* Set coloumn addr MSB */
glcd_command(0x00); /* Set coloumn addr LSB */
glcd_command(0xAF); /* Display ON */
/* Select default screen buffer */
glcd_select_screen(glcd_buffer,&glcd_bbox);
/* Clear the screen buffer */
glcd_clear();
#else /* GLCD_CONTROLLER_PCD8544 */
#error "Controller not supported by LPC111x"
#endif
}
void glcd_all_on(void)
{
glcd_command(ST7565R_DISPLAY_ALL_ON);
}
void glcd_set_x_address(uint8_t x)
{
glcd_command(PCD8544_SET_X_ADDRESS|(x & 0x7f));
}
void glcd_set_y_address(uint8_t y)
{
glcd_command(PCD8544_SET_Y_ADDRESS|(y > 5 ? 5 : y));
}
void glcd_power_up(void)
{
glcd_command(PCD8544_FUNCTION_SET);
}
void glcd_set_contrast(uint8_t val) {
glcd_command(PCD8544_FUNCTION_SET | PCD8544_EXTENDED_INSTRUCTION);
glcd_command(PCD8544_SET_VOP | (val&0x7f));
glcd_command(PCD8544_FUNCTION_SET);
glcd_command(PCD8544_DISPLAY_CONTROL | PCD8544_DISPLAY_NORMAL);
}
void glcd_init(void)
{
#if defined(GLCD_CONTROLLER_PCD8544)
/* Initialisation for PCD8544 controller */
/* Declare GPIO and SPI init structures */
GPIO_InitTypeDef GPIO_InitStructure;
SPI_InitTypeDef SPI_InitStructure;
//NVIC_InitTypeDef NVIC_InitStructure;
/* Initialise structures (which we will overide later) */
GPIO_StructInit(&GPIO_InitStructure);
SPI_StructInit(&SPI_InitStructure);
/* Need to make start up the correct peripheral clocks */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
/* SS pin */
GPIO_InitStructure.GPIO_Pin = CONTROLLER_SPI_SS_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_Level_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(CONTROLLER_SPI_SS_PORT, &GPIO_InitStructure);
/* DC pin */
GPIO_InitStructure.GPIO_Pin = CONTROLLER_SPI_DC_PIN;
GPIO_Init(CONTROLLER_SPI_DC_PORT, &GPIO_InitStructure);
/* RESET pin */
GPIO_InitStructure.GPIO_Pin = CONTROLLER_SPI_RST_PIN;
GPIO_Init(CONTROLLER_SPI_RST_PORT, &GPIO_InitStructure);
/* Make sure chip is de-selected by default */
GLCD_DESELECT();
/* Set up GPIO for SPI pins */
GPIO_InitStructure.GPIO_Pin = CONTROLLER_SPI_SCK_PIN | CONTROLLER_SPI_MISO_PIN | CONTROLLER_SPI_MOSI_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_Level_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_Init(CONTROLLER_SPI_PORT, &GPIO_InitStructure);
/* Configure alternate function mode for SPI pins */
GPIO_PinAFConfig(GPIOA,CONTROLLER_SPI_SCK_PINSRC,GPIO_AF_0);
GPIO_PinAFConfig(GPIOA,CONTROLLER_SPI_MOSI_PINSRC,GPIO_AF_0);
GPIO_PinAFConfig(GPIOA,CONTROLLER_SPI_MISO_PINSRC,GPIO_AF_0);
/* Initialise SPI */
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_32; /* Set clock speed! */
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_CRCPolynomial = 7;
SPI_Init(CONTROLLER_SPI_NUMBER, &SPI_InitStructure);
/* Enable SPI interupts */
/*
SPI_I2S_ITConfig(CONTROLLER_SPI_NUMBER, SPI_I2S_IT_TXE, ENABLE);
NVIC_InitStructure.NVIC_IRQChannel = SPI1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannelPriority = 0x00;
NVIC_Init(&NVIC_InitStructure);
*/
/* Enable SPI */
SPI_Cmd(CONTROLLER_SPI_NUMBER, ENABLE);
/* Initialisation sequence of controller */
glcd_reset();
/* Get into the EXTENDED mode! */
glcd_command(PCD8544_FUNCTION_SET | PCD8544_EXTENDED_INSTRUCTION);
/* LCD bias select (4 is optimal?) */
glcd_command(PCD8544_SET_BIAS | 0x2);
/* Set VOP */
glcd_command(PCD8544_SET_VOP | 50); // Experimentally determined
/* Back to standard instructions */
glcd_command(PCD8544_FUNCTION_SET);
/* Normal mode */
glcd_command(PCD8544_DISPLAY_CONTROL | PCD8544_DISPLAY_NORMAL);
glcd_select_screen((uint8_t *)&glcd_buffer,&glcd_bbox);
glcd_set_contrast(50);
glcd_clear();
#else
#error "Controller not supported by STM32F0xx"
#endif
}
void glcd_set_y_address(uint8_t y)
{
glcd_command(ST7565R_PAGE_ADDRESS_SET | (0b00001111 & y));
}
void glcd_init(void)
{
#if defined(GLCD_CONTROLLER_PCD8544)
/* Set pin directions */
/*
* Set up SPI for AVR8
* Note: AVR's SS pin must be set to output, regardless of whether we
* actually use it. This is a requirement of SPI mster mode.
*/
sbi(DDR(AVR_SS_PORT),AVR_SS_PIN);
/*
* Set MOSI, Master SS, SCK to output (otherwise SPI won't work)
* Must be done even if native SS pin not used
*/
sbi(DDR(CONTROLLER_MOSI_PORT),CONTROLLER_MOSI_PIN);
sbi(DDR(CONTROLLER_SS_PORT),CONTROLLER_SS_PIN);
sbi(DDR(CONTROLLER_SCK_PORT),CONTROLLER_SCK_PIN);
/* Set SS, DC and RST pins to output */
sbi( DDR(CONTROLLER_SS_PORT), CONTROLLER_SS_PIN );
sbi( DDR(CONTROLLER_DC_PORT), CONTROLLER_DC_PIN );
sbi( DDR(CONTROLLER_RST_PORT), CONTROLLER_RST_PIN );
/* Deselect LCD */
GLCD_DESELECT();
/*
* Max allowed SPI clock is 4 MHz from datasheet.
* Enable SPI, set master mode and clock rate to /4 (4MHz with F_CPU=8MHz)
*/
SPCR = (1<<SPE)|(1<<MSTR);
SPSR = 0;
glcd_reset();
/* Get into the EXTENDED mode! */
glcd_command(PCD8544_FUNCTION_SET | PCD8544_EXTENDED_INSTRUCTION);
/* LCD bias select (4 is optimal?) */
glcd_command(PCD8544_SET_BIAS | 0x2);
/* Set VOP */
glcd_command(PCD8544_SET_VOP | 50); // Experimentally determined
/* Back to standard instructions */
glcd_command(PCD8544_FUNCTION_SET);
/* Normal mode */
glcd_command(PCD8544_DISPLAY_CONTROL | PCD8544_DISPLAY_NORMAL);
/* Select screen buffer */
glcd_select_screen(glcd_buffer,&glcd_bbox);
/* Clear screen, we are now ready to go */
glcd_clear();
#elif defined(GLCD_CONTROLLER_ST7565R)
/* Set up GPIO directions */
/*
* Set up SPI for AVR8
* Note: AVR's SS pin must be set to output, regardless of whether we
* actually use it. This is a requirement of SPI mster mode.
*/
sbi(DDR(AVR_SS_PORT),AVR_SS_PIN);
/* Set SCK and MOSI as output */
sbi(DDR(CONTROLLER_SCK_PORT),CONTROLLER_SCK_PIN);
sbi(DDR(CONTROLLER_MOSI_PORT),CONTROLLER_MOSI_PIN);
/*
* Set MISO as input with pullup. This needs to be set for
* SPI to work, even though we never use or read it.
*/
cbi(DDR(CONTROLLER_MISO_PORT),CONTROLLER_MISO_PIN); // B3 MISO as input
sbi(CONTROLLER_MISO_PORT,CONTROLLER_MISO_PIN);
/* Set pin to controller SS as output */
sbi(DDR(CONTROLLER_SS_PORT),CONTROLLER_SS_PIN); // A5
/* Set LCD A0 pin as output */
sbi(DDR(CONTROLLER_A0_PORT),CONTROLLER_A0_PIN); // A6
/* Init SS pin high (i.e LCD deselected) */
sbi(CONTROLLER_SS_PORT,CONTROLLER_SS_PIN);
/* Deselect LCD */
GLCD_DESELECT();
/* MSB first, double speed, SPI mode 0 */
SPCR = (1<<SPE) | (1<<MSTR) | (0<<CPOL) | (0<<CPHA);
sbi(SPSR,SPI2X);
/* Enable interrupts */
sei();
delay_ms(30); // example in datasheet does this (20ms)
glcd_command(ST7565R_RESET); // internal reset
glcd_command(0xa2); // 1/9 bias
glcd_command(0xa0); // ADC select, normal
glcd_command(0xc8); // com output reverse
glcd_command(0xa4); // display all points normal
glcd_command(0x40); // display start line set
glcd_command(0x25); // internal resistor ratio
glcd_command(0x81); // electronic volume mode set
//glcd_command(0x10); // electronic volume - datasheet's contrast example doesn't work
glcd_command(45); // this works better
glcd_command(0x2f); // power controller set
glcd_command(0xaf); // display on
glcd_all_on();
void glcd_normal(void)
{
glcd_command(ST7565R_DISPLAY_NORMAL);
}
void glcd_refresh() {
for (int y = 0; y < 8; y++) {
#ifdef ST7565_DIRTY_PAGES
// Only copy this page if it is marked as "dirty"
if (!(glcd_dirty_pages & (1 << y))) continue;
#endif
glcd_command(GLCD_CMD_SET_PAGE | y);
// Reset column to the left side. The internal memory of the
// screen is 132*64, we need to account for this if the display
// is flipped.
//
// Some screens seem to map the internal memory to the screen
// pixels differently, the ST7565_REVERSE define allows this to
// be controlled if necessary.
#ifdef ST7565_REVERSE
if (!glcd_flipped) {
#else
if (glcd_flipped) {
#endif
glcd_command(GLCD_CMD_COLUMN_LOWER | 4);
} else {
glcd_command(GLCD_CMD_COLUMN_LOWER);
}
glcd_command(GLCD_CMD_COLUMN_UPPER);
for (int x = 0; x < 128; x++) {
glcd_data(glcd_buffer[y * 128 + x]);
}
}
#ifdef ST7565_DIRTY_PAGES
// All pages have now been updated, reset the indicator.
glcd_dirty_pages = 0;
#endif
}
void glcd_init() {
// Select the chip
GLCD_CS1 = 0;
GLCD_RESET = 0;
// Datasheet says "wait for power to stabilise" but gives
// no specific time!
DelayMs(50);
GLCD_RESET = 1;
// Datasheet says max 1ms here
//DelayMs(1);
// Set LCD bias to 1/9th
glcd_command(0b11100010); // Reset
glcd_command(0b10100010); // set the LCD bias to 1/9th
glcd_command(0x23); // Voltage Regulator internal Resisitor ratio set(the internal resistor divider set to 3 (from 0..7))
glcd_command(0x2F); // Power Control Set( power control, all internal blocks ON )
glcd_command(0b00000011); // Electronic volume Mode set ???
glcd_command(0x40); // go back to the top left of the display
glcd_command(0x81); // Electronic volume Mode set
glcd_command(0b11111000); // Booster ratio Select Mode Set
glcd_command(0b00000000); // Booster ratio register set ???
glcd_command(0b10100000); // ADC Select( 0xa0:Normal, 0xa1:Reverse )
glcd_command(0b11001000); // Common output Mode Set
glcd_command(0b10101111); // Display ON
glcd_command(0b10100110); // Display Normal/Reverse(Permet d'inverser Blanc/noir)
glcd_command(0xA4); // Display all points (0xa4:Normal display mode, 0xa5:display all points)
// Unselect the chip
GLCD_CS1 = 1;
}
