void OledUpdate()
{
int ipag;
BYTE * pb;
pb = rgbOledBmp;
for (ipag = 0; ipag < cpagOledMax; ipag++) {
PORTClearBits(prtDataCmd, bitDataCmd);
/* Set the page address
*/
Spi2PutByte(0x22); //Set page command
Spi2PutByte(ipag); //page number
/* Start at the left column
*/
Spi2PutByte(0x00); //set low nybble of column
Spi2PutByte(0x10); //set high nybble of column
PORTSetBits(prtDataCmd, bitDataCmd);
/* Copy this memory page of display data.
*/
OledPutBuffer(ccolOledMax, pb);
pb += ccolOledMax;
}
}
void OledUpdate()
{
int gpioReg = 0;
int ipag;
uint8_t * pb;
pb = rgbOledBmp;
gpioReg = XGpio_DiscreteRead(&gpioInstance, 1);
for (ipag = 0; ipag < cpagOledMax; ipag++)
{
XGpio_DiscreteWrite(&gpioInstance, 1, gpioReg & ( RESET_MASK | VDD_CTRL_MASK | VBAT_CTRL_MASK ));
/* Set the page address
*/
Spi2PutByte(0x22); //Set page command
Spi2PutByte(ipag); //page number
/* Start at the left column
*/
Spi2PutByte(0x00); //set low nybble of column
Spi2PutByte(0x10); //set high nybble of column
XGpio_DiscreteWrite(&gpioInstance, 1, gpioReg | DATA_CMD_MASK);
/* Copy this memory page of display data.
*/
OledPutBuffer(ccolOledMax, pb);
pb += ccolOledMax;
}
}
void OledDevInit()
{
int gpioReg = 0;
/* We're going to be sending commands, so clear the Data/Cmd bit
*/
gpioReg = XGpio_DiscreteRead(&gpioInstance, 1);
XGpio_DiscreteWrite(&gpioInstance, 1, gpioReg & (RESET_MASK | VBAT_CTRL_MASK));
gpioReg = XGpio_DiscreteRead(&gpioInstance, 1);
printf("OledDevInit: d/cmd, vdd set to 0, gpioReg: %X", gpioReg);
usleep(1000);
/* Display off command
*/
Spi2PutByte(cmdOledDisplayOff);
/* Bring Reset low and then high
*/
gpioReg = XGpio_DiscreteRead(&gpioInstance, 1);
XGpio_DiscreteWrite(&gpioInstance, 1, gpioReg & ( VBAT_CTRL_MASK | VDD_CTRL_MASK | DATA_CMD_MASK));
gpioReg = XGpio_DiscreteRead(&gpioInstance, 1);
printf("OledDevInit: reset set to 0, gpioReg: %X", gpioReg);
usleep(1000);
XGpio_DiscreteWrite(&gpioInstance, 1, gpioReg | RESET_MASK);
gpioReg = XGpio_DiscreteRead(&gpioInstance, 1);
printf("OledDevInit: reset set to 1, gpioReg: %X", gpioReg);
/* Send the Set Charge Pump and Set Pre-Charge Period commands
*/
Spi2PutByte(0x8D); //From Univision data sheet, not in SSD1306 data sheet
Spi2PutByte(0x14);
Spi2PutByte(0xD9); //From Univision data sheet, not in SSD1306 data sheet
Spi2PutByte(0xF1);
/* Turn on VCC and wait 100ms
*/
gpioReg = XGpio_DiscreteRead(&gpioInstance, 1);
XGpio_DiscreteWrite(&gpioInstance, 1, gpioReg & ( RESET_MASK | VDD_CTRL_MASK | DATA_CMD_MASK));
gpioReg = XGpio_DiscreteRead(&gpioInstance, 1);
printf("OledDevInit: vbat set to 0, gpioReg: %X", gpioReg);
usleep(100000);
/* Send the commands to invert the display.
*/
Spi2PutByte(cmdOledSegRemap); //remap columns
Spi2PutByte(cmdOledComDir); //remap the rows
/* Send the commands to select sequential COM configuration
*/
Spi2PutByte(cmdOledComConfig); //set COM configuration command
Spi2PutByte(0x20); //sequential COM, left/right remap enabled
/* Send Display On command
*/
Spi2PutByte(cmdOledDisplayOn);
}
void
OledDevInit()
{
/* We're going to be sending commands, so clear the Data/Cmd bit
*/
PORTClearBits(prtDataCmd, bitDataCmd);
/* Start by turning VDD on and wait a while for the power to come up.
*/
PORTClearBits(prtVddCtrl, bitVddCtrl);
delay(1);
/* Display off command
*/
Spi2PutByte(cmdOledDisplayOff);
/* Bring Reset low and then high
*/
PORTClearBits(prtReset, bitReset);
delay(1);
PORTSetBits(prtReset, bitReset);
/* Send the Set Charge Pump and Set Pre-Charge Period commands
*/
Spi2PutByte(0x8D); //From Univision data sheet, not in SSD1306 data sheet
Spi2PutByte(0x14);
Spi2PutByte(0xD9); //From Univision data sheet, not in SSD1306 data sheet
Spi2PutByte(0xF1);
/* Turn on VCC and wait 100ms
*/
PORTClearBits(prtVbatCtrl, bitVbatCtrl);
delay(100);
/* Send the commands to invert the display.
*/
Spi2PutByte(cmdOledSegRemap); //remap columns
Spi2PutByte(cmdOledComDir); //remap the rows
/* Send the commands to select sequential COM configuration
*/
Spi2PutByte(cmdOledComConfig); //set COM configuration command
Spi2PutByte(0x20); //sequential COM, left/right remap enabled
/* Send Display On command
*/
Spi2PutByte(cmdOledDisplayOn);
}
void OledDisplayOff()
{
PORTClearBits(prtDataCmd, bitDataCmd);
Spi2PutByte(cmdOledDisplayOff);
}
void OledDisplayOff()
{
int gpioReg = 0;
gpioReg = XGpio_DiscreteRead(&gpioInstance, 1);
XGpio_DiscreteWrite(&gpioInstance, 1, gpioReg & ( RESET_MASK | VDD_CTRL_MASK | VBAT_CTRL_MASK ));
Spi2PutByte(cmdOledDisplayOff);
}
void OledDevTerm()
{
/* Send the Display Off command.
*/
Spi2PutByte(cmdOledDisplayOff);
/* Turn off VCC
*/
PORTSetBits(prtVbatCtrl, bitVbatCtrl);
delay(100);
/* Turn off VDD
*/
PORTClearBits(prtVddCtrl, bitVddCtrl);
}
void OledDevTerm()
{
int gpioReg = 0;
/* Send the Display Off command.
*/
Spi2PutByte(cmdOledDisplayOff);
/* Turn off VCC
*/
gpioReg = XGpio_DiscreteRead(&gpioInstance, 1);
XGpio_DiscreteWrite(&gpioInstance, 1, gpioReg | VBAT_CTRL_MASK);
usleep(100000);
/* Turn off VDD
*/
XGpio_DiscreteWrite(&gpioInstance, 1, gpioReg & ( RESET_MASK | VDD_CTRL_MASK | DATA_CMD_MASK));
}
