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_init_device(void)
{
/* STM32CubeMX generated code must be called elsewhere*/
#if defined(GLCD_CONTROLLER_ST7565R)
/* Initialization for ST7565R controller */
/* Make sure chip is de-selected by default */
GLCD_DESELECT();
glcd_reset();
glcd_ST7565R_init();
#else
#error "Controller not supported by STM32F10x"
#endif
}
void glcd_init(void)
{
#if defined(GLCD_CONTROLLER_PCD8544)
/* Set up remappable outputs for PIC32, SPI: DO and SCK */
SpiChnOpen(SPI_CHANNEL2, SPI_CON_ON|SPI_CON_MSTEN, 4);
/* Set SS, DC and RST pins as output */
PORTSetPinsDigitalOut(LCD_CS_PORT, LCD_CS_PIN);
PORTSetPinsDigitalOut(LCD_DC_RESET_PORT, LCD_DC_PIN | LCD_RESET_PIN);
/* Deselect LCD */
GLCD_DESELECT();
/* Send reset pulse to LCD */
glcd_reset();
/* Initialise the display */
glcd_PCD8544_init();
#else
#error "Controller not supported"
#endif /* GLCD_CONTROLLER_* */
}
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_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_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_init(void)
{
/* Initialization of device */
/* Declare GPIO and SPI init structures */
GPIO_InitTypeDef GPIO_InitStructure;
SPI_InitTypeDef SPI_InitStructure;
/* Configuring CS, DC (A0) and RST pin */
/* Peripheral clock init. */
RCC_AHB1PeriphClockCmd(CONTROLLER_SPI_DC_RCC | CONTROLLER_SPI_SS_RCC | \
CONTROLLER_SPI_RST_RCC, ENABLE);
/* CS pin */
GPIO_InitStructure.GPIO_Pin = CONTROLLER_SPI_SS_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_Init(CONTROLLER_SPI_SS_PORT, &GPIO_InitStructure);
/* DC (A0) pin */
GPIO_InitStructure.GPIO_Pin = CONTROLLER_SPI_DC_PIN;
GPIO_Init(CONTROLLER_SPI_DC_PORT, &GPIO_InitStructure);
/* RST 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();
/*
* Configuring SPI:
*/
/* Enable the SPI clock */
SPIx_CLK_INIT(SPIx_CLK, ENABLE);
/* Enable SPI GPIO clocks */
RCC_AHB1PeriphClockCmd(SPIx_SCK_GPIO_CLK | SPIx_MOSI_GPIO_CLK, ENABLE);
/* Connect SPI pins to the corresponding alternate function */
GPIO_PinAFConfig(SPIx_SCK_GPIO_PORT, SPIx_SCK_SOURCE, SPIx_SCK_AF);
GPIO_PinAFConfig(SPIx_MOSI_GPIO_PORT, SPIx_MOSI_SOURCE, SPIx_MOSI_AF);
// GPIO_PinAFConfig(SPIx_MISO_GPIO_PORT, SPIx_MISO_SOURCE, SPIx_MISO_AF);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
/* SPI SCK pin configuration */
GPIO_InitStructure.GPIO_Pin = SPIx_SCK_PIN;
GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStructure);
/* SPI MOSI pin configuration */
GPIO_InitStructure.GPIO_Pin = SPIx_MOSI_PIN;
GPIO_Init(SPIx_MOSI_GPIO_PORT, &GPIO_InitStructure);
#if 0
GPIO_InitStructure.GPIO_Pin = SPIx_MISO_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
GPIO_Init(SPIx_MISO_GPIO_PORT, &GPIO_InitStructure);
#endif
/* SPI configuration */
SPI_I2S_DeInit(SPIx);
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
/* Clock set to 8MHz */
SPI_InitStructure.SPI_BaudRatePrescaler = SPIx_PRESCALLER;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_Init(SPIx, &SPI_InitStructure);
/* Enable the SPI peripheral */
SPI_Cmd(SPIx, ENABLE);
RCC_AHB1PeriphClockCmd(LCD_LED_GPIO_RCC, ENABLE);
GPIO_InitStructure.GPIO_Pin = LCD_LED_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_Init(LCD_LED_PORT, &GPIO_InitStructure);
#if defined(GLCD_CONTROLLER_PCD8544)
/* Initialisation sequence of controller */
glcd_PCD8544_init();
#elif defined(GLCD_CONTROLLER_ST7565R)
glcd_reset();
glcd_enable_backlight(ENABLE);
glcd_ST7565R_init();
#else
#error "Controller not supported by STM32F0xx"
#endif
}