void ArduiPi_OLED::sendData(uint8_t c)
{
// SPI
if ( isSPI())
{
// SPI
// Setup D/C line to high to switch to data mode
bcm2835_gpio_write(dc, HIGH);
// write value
fastSPIwrite(c);
}
// I2C
else
{
char buff[2] ;
// Setup D/C to switch to data mode
buff[0] = SSD_Data_Mode;
buff[1] = c;
// Write on i2c
fastI2Cwrite( buff, sizeof(buff)) ;
}
}
void ArduiPi_OLED::sendCommand(uint8_t c0, uint8_t c1, uint8_t c2)
{
char buff[4] ;
buff[1] = c0;
buff[2] = c1;
buff[3] = c2;
// Is SPI
if (isSPI())
{
// Setup D/C line to low to switch to command mode
bcm2835_gpio_write(dc, LOW);
// Write Data
fastSPIwrite(&buff[1], 3);
}
// I2C
else
{
// Clear D/C to switch to command mode
buff[0] = SSD_Command_Mode;
// Write Data on I2C
fastI2Cwrite(buff, sizeof(buff)) ;
}
}
void SendPacketToSPI(BowlerPacket * Packet){
if(!isSPI(GetChannelMode(Packet->use.data[0]))){
println_I("channel is not SPI");
return;
}
SendPacketToSPIFromArray(Packet->use.head.DataLegnth-6,Packet->use.data+1);
}
void StopSPI(BYTE pin){
if (isSPI(GetChannelMode(pin))){
CloseSPI2();
_RG6=1;
_RG8=1;
SDI_TRIS=INPUT;
SDO_TRIS=INPUT;
SCK_TRIS=INPUT;
println_I("Clearing up SPI perpheral");
SetCoProcMode(0,IS_DI);
SetCoProcMode(1,IS_DI);
SetCoProcMode(2,IS_DI);
}
}
void ArduiPi_OLED::close(void)
{
// De-Allocate memory for OLED buffer if any
if (poledbuff)
free(poledbuff);
poledbuff = NULL;
// Release Raspberry SPI
if ( isSPI() )
bcm2835_spi_end();
// Release Raspberry I2C
if ( isI2C() )
bcm2835_i2c_end();
// Release Raspberry I/O control
bcm2835_close();
}
void ArduiPi_OLED::sendCommand(uint8_t c)
{
// Is SPI
if (isSPI())
{
// Setup D/C line to low to switch to command mode
bcm2835_gpio_write(dc, LOW);
// Write Data on SPI
fastSPIwrite(c);
}
// so I2C
else
{
char buff[2] ;
// Clear D/C to switch to command mode
buff[0] = SSD_Command_Mode ;
buff[1] = c;
// Write Data on I2C
fastI2Cwrite(buff, sizeof(buff)) ;
}
}
void ArduiPi_OLED::display(void)
{
#ifdef SEEED_I2C
if (oled_type == OLED_SEEED_I2C_96x96 )
{
sendCommand(SSD1327_Set_Row_Address , 0x00, 0x5F);
sendCommand(SSD1327_Set_Column_Address, 0x08, 0x37);
}
else
#endif
{
sendCommand(SSD1306_Set_Lower_Column_Start_Address | 0x0); // low col = 0
sendCommand(SSD1306_Set_Higher_Column_Start_Address | 0x0); // hi col = 0
sendCommand(SSD1306_Set_Start_Line | 0x0); // line #0
}
uint16_t i=0 ;
// pointer to OLED data buffer
uint8_t * p = poledbuff;
// SPI
if ( isSPI())
{
// Setup D/C line to high to switch to data mode
bcm2835_gpio_write(dc, HIGH);
// Send all data to OLED
for ( i=0; i<oled_buff_size; i++)
{
fastSPIwrite(*p++);
}
// I wonder why we have to do this (check datasheet)
if (oled_height == 32)
{
for (uint16_t i=0; i<oled_buff_size; i++)
{
fastSPIwrite(0);
}
}
}
// I2C
else
{
char buff[17] ;
uint8_t x ;
// Setup D/C to switch to data mode
buff[0] = SSD_Data_Mode;
if (oled_type == OLED_SH1106_I2C_128x64)
{
for (uint8_t k=0; k<8; k++)
{
sendCommand(0xB0+k);//set page addressSSD_Data_Mode;
sendCommand(0x02) ;//set lower column address
sendCommand(0x10) ;//set higher column address
for( i=0; i<8; i++)
{
for (x=1; x<=16; x++)
buff[x] = *p++;
fastI2Cwrite(buff, 17);
}
}
}
else
{
// loop trough all OLED buffer and
// send a bunch of 16 data byte in one xmission
for ( i=0; i<oled_buff_size; i+=16 )
{
for (x=1; x<=16; x++)
buff[x] = *p++;
fastI2Cwrite(buff, 17);
}
}
}
}
