alexey.zholtikov/upm
1
0
Fork 0
mirror of https://github.com/eclipse/upm.git synced 2025-03-24 01:10:22 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

i2clcd: remove the helper functions i2Cmd, i2cData & i2cReg

Browse Source 
Remove calls to I2C helper functions (i2Cmd, i2cData, i2cReg) and call
the raw MRAA function directly instead and remove the helper functions from the
I2CLcd class

Signed-off-by: Wouter van Verre <wouter.van.verre@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Wouter van Verre 2015-04-13 11:58:03 +01:00 committed by Mihai Tudor Panu
parent bcdaccf68d
commit ae0d99369b
5 changed files with 128 additions and 142 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
src/lcd/i2clcd.cxx
View File

@ -55,10 +55,10 @@ I2CLcd::createChar(uint8_t charSlot, uint8_t charData[])
{ {
mraa_result_t error = MRAA_SUCCESS; mraa_result_t error = MRAA_SUCCESS;
charSlot &= 0x07; // only have 8 positions we can set charSlot &= 0x07; // only have 8 positions we can set
error = i2Cmd(m_i2c_lcd_control, LCD_SETCGRAMADDR | (charSlot << 3)); error = mraa_i2c_write_byte_data(m_i2c_lcd_control, LCD_SETCGRAMADDR | (charSlot << 3), LCD_CMD);
if (error == MRAA_SUCCESS) { if (error == MRAA_SUCCESS) {
for (int i = 0; i < 8; i++) { for (int i = 0; i < 8; i++) {
error = i2cData(m_i2c_lcd_control, charData[i]); error = mraa_i2c_write_byte_data(m_i2c_lcd_control, charData[i], LCD_DATA);
} }
} }
@ -76,43 +76,3 @@ I2CLcd::name()
{ {
return m_name; return m_name;
} }
mraa_result_t
I2CLcd::i2cReg(mraa_i2c_context ctx, int deviceAdress, int addr, uint8_t value)
{
mraa_result_t ret;
uint8_t data[2] = { addr, value };
ret = mraa_i2c_address(ctx, deviceAdress);
UPM_GOTO_ON_MRAA_FAIL(ret, beach);
ret = mraa_i2c_write(ctx, data, 2);
beach:
return ret;
}
mraa_result_t
I2CLcd::i2Cmd(mraa_i2c_context ctx, uint8_t value)
{
mraa_result_t ret;
uint8_t data[2] = { LCD_CMD, value };
ret = mraa_i2c_address(ctx, m_lcd_control_address);
UPM_GOTO_ON_MRAA_FAIL(ret, beach);
ret = mraa_i2c_write(ctx, data, 2);
beach:
return ret;
}
mraa_result_t
I2CLcd::i2cData(mraa_i2c_context ctx, uint8_t value)
{
mraa_result_t error = MRAA_SUCCESS;
uint8_t data[2] = { LCD_DATA, value };
error = mraa_i2c_address(ctx, m_lcd_control_address);
error = mraa_i2c_write(ctx, data, 2);
return error;
}

3
src/lcd/i2clcd.h
View File

@ -91,9 +91,6 @@ class I2CLcd
virtual mraa_result_t clear() = 0; virtual mraa_result_t clear() = 0;
virtual mraa_result_t home() = 0; virtual mraa_result_t home() = 0;
virtual mraa_result_t createChar(uint8_t charSlot, uint8_t charData[]); virtual mraa_result_t createChar(uint8_t charSlot, uint8_t charData[]);
virtual mraa_result_t i2Cmd(mraa_i2c_context ctx, uint8_t value);
virtual mraa_result_t i2cReg(mraa_i2c_context ctx, int deviceAdress, int addr, uint8_t data);
virtual mraa_result_t i2cData(mraa_i2c_context ctx, uint8_t value);
mraa_result_t close(); mraa_result_t close();
std::string name(); std::string name();

52
src/lcd/jhd1313m1.cxx
View File

@ -42,11 +42,11 @@ Jhd1313m1::Jhd1313m1(int bus, int lcdAddress, int rgbAddress) : I2CLcd(bus, lcdA
} }
usleep(50000); usleep(50000);
ret = i2Cmd(m_i2c_lcd_control, LCD_FUNCTIONSET | LCD_2LINE); ret = mraa_i2c_write_byte_data(m_i2c_lcd_control, LCD_FUNCTIONSET | LCD_2LINE, LCD_CMD);
UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the LCD controller"); UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the LCD controller");
usleep(100); usleep(100);
ret = i2Cmd(m_i2c_lcd_control, LCD_DISPLAYCONTROL | LCD_DISPLAYON); ret = mraa_i2c_write_byte_data(m_i2c_lcd_control, LCD_DISPLAYCONTROL | LCD_DISPLAYON, LCD_CMD);
UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the LCD controller"); UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the LCD controller");
usleep(100); usleep(100);
@ -54,21 +54,23 @@ Jhd1313m1::Jhd1313m1(int bus, int lcdAddress, int rgbAddress) : I2CLcd(bus, lcdA
UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the LCD controller"); UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the LCD controller");
usleep(2000); usleep(2000);
ret = i2Cmd(m_i2c_lcd_control, LCD_ENTRYMODESET | LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT); ret = mraa_i2c_write_byte_data(m_i2c_lcd_control,
LCD_ENTRYMODESET | LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT,
LCD_CMD);
UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the LCD controller"); UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the LCD controller");
ret = i2cReg(m_i2c_lcd_rgb, m_rgb_address, 0, 0); ret = mraa_i2c_write_byte_data(m_i2c_lcd_rgb, 0, 0);
UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller"); UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller");
ret = i2cReg(m_i2c_lcd_rgb, m_rgb_address, 1, 0); ret = mraa_i2c_write_byte_data(m_i2c_lcd_rgb, 0, 1);
UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller"); UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller");
ret = i2cReg(m_i2c_lcd_rgb, m_rgb_address, 0x08, 0xAA); ret = mraa_i2c_write_byte_data(m_i2c_lcd_rgb, 0xAA, 0x08);
UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller"); UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller");
ret = i2cReg(m_i2c_lcd_rgb, m_rgb_address, 0x04, 255); ret = mraa_i2c_write_byte_data(m_i2c_lcd_rgb, 0xFF, 0x04);
UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller"); UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller");
ret = i2cReg(m_i2c_lcd_rgb, m_rgb_address, 0x03, 255); ret = mraa_i2c_write_byte_data(m_i2c_lcd_rgb, 0xFF, 0x03);
UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller"); UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller");
ret = i2cReg(m_i2c_lcd_rgb, m_rgb_address, 0x02, 255); ret = mraa_i2c_write_byte_data(m_i2c_lcd_rgb, 0xFF, 0x02);
UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller"); UPM_CHECK_MRAA_SUCCESS(ret, "Unable to initialise the RGB controller");
} }
@ -81,18 +83,18 @@ Jhd1313m1::setColor(uint8_t r, uint8_t g, uint8_t b)
{ {
mraa_result_t ret; mraa_result_t ret;
ret = i2cReg(m_i2c_lcd_rgb, m_rgb_address, 0, 0); ret = mraa_i2c_write_byte_data(m_i2c_lcd_rgb, 0, 0);
UPM_GOTO_ON_MRAA_FAIL(ret, beach); UPM_GOTO_ON_MRAA_FAIL(ret, beach);
ret = i2cReg(m_i2c_lcd_rgb, m_rgb_address, 1, 0); ret = mraa_i2c_write_byte_data(m_i2c_lcd_rgb, 0, 1);
UPM_GOTO_ON_MRAA_FAIL(ret, beach); UPM_GOTO_ON_MRAA_FAIL(ret, beach);
ret = i2cReg(m_i2c_lcd_rgb, m_rgb_address, 0x08, 0xAA); ret = mraa_i2c_write_byte_data(m_i2c_lcd_rgb, 0xAA, 0x08);
UPM_GOTO_ON_MRAA_FAIL(ret, beach); UPM_GOTO_ON_MRAA_FAIL(ret, beach);
ret = i2cReg(m_i2c_lcd_rgb, m_rgb_address, 0x04, r); ret = mraa_i2c_write_byte_data(m_i2c_lcd_rgb, r, 0x04);
UPM_GOTO_ON_MRAA_FAIL(ret, beach); UPM_GOTO_ON_MRAA_FAIL(ret, beach);
ret = i2cReg(m_i2c_lcd_rgb, m_rgb_address, 0x03, g); ret = mraa_i2c_write_byte_data(m_i2c_lcd_rgb, g, 0x03);
UPM_GOTO_ON_MRAA_FAIL(ret, beach); UPM_GOTO_ON_MRAA_FAIL(ret, beach);
ret = i2cReg(m_i2c_lcd_rgb, m_rgb_address, 0x02, b); ret = mraa_i2c_write_byte_data(m_i2c_lcd_rgb, b, 0x02);
beach: beach:
return ret; return ret;
@ -101,9 +103,15 @@ beach:
mraa_result_t mraa_result_t
Jhd1313m1::scroll(bool direction) Jhd1313m1::scroll(bool direction)
{ {
if (direction) if (direction) {
return i2Cmd(m_i2c_lcd_control, (LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVELEFT)); return mraa_i2c_write_byte_data(m_i2c_lcd_control,
return i2Cmd(m_i2c_lcd_control, (LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVERIGHT)); LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVELEFT,
LCD_CMD);
} else {
return mraa_i2c_write_byte_data(m_i2c_lcd_control,
LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVERIGHT,
LCD_CMD);
}
} }
/* /*
@ -120,7 +128,7 @@ Jhd1313m1::write(std::string msg)
usleep(1000); usleep(1000);
for (std::string::size_type i = 0; i < msg.size(); ++i) { for (std::string::size_type i = 0; i < msg.size(); ++i) {
ret = i2cData(m_i2c_lcd_control, msg[i]); ret = mraa_i2c_write_byte_data(m_i2c_lcd_control, msg[i], LCD_DATA);
UPM_GOTO_ON_MRAA_FAIL(ret, beach); UPM_GOTO_ON_MRAA_FAIL(ret, beach);
} }
@ -136,7 +144,7 @@ Jhd1313m1::setCursor(int row, int column)
int row_addr[] = { 0x80, 0xc0, 0x14, 0x54 }; int row_addr[] = { 0x80, 0xc0, 0x14, 0x54 };
uint8_t offset = ((column % 16) + row_addr[row]); uint8_t offset = ((column % 16) + row_addr[row]);
ret = i2Cmd(m_i2c_lcd_control, offset); ret = mraa_i2c_write_byte_data(m_i2c_lcd_control, offset, LCD_CMD);
return ret; return ret;
} }
@ -144,11 +152,11 @@ Jhd1313m1::setCursor(int row, int column)
mraa_result_t mraa_result_t
Jhd1313m1::clear() Jhd1313m1::clear()
{ {
return i2Cmd(m_i2c_lcd_control, LCD_CLEARDISPLAY); return mraa_i2c_write_byte_data(m_i2c_lcd_control, LCD_CLEARDISPLAY, LCD_CMD);
} }
mraa_result_t mraa_result_t
Jhd1313m1::home() Jhd1313m1::home()
{ {
return i2Cmd(m_i2c_lcd_control, LCD_RETURNHOME); return mraa_i2c_write_byte_data(m_i2c_lcd_control, LCD_RETURNHOME, LCD_CMD);
} }

36
src/lcd/ssd1308.cxx
View File

@ -31,9 +31,9 @@ using namespace upm;
SSD1308::SSD1308(int bus_in, int addr_in) : I2CLcd(bus_in, addr_in) SSD1308::SSD1308(int bus_in, int addr_in) : I2CLcd(bus_in, addr_in)
{ {
i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_OFF); // display off mraa_i2c_write_byte_data(m_i2c_lcd_control, DISPLAY_CMD_OFF, LCD_CMD); // display off
usleep(4500); usleep(4500);
i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_ON); // display on mraa_i2c_write_byte_data(m_i2c_lcd_control, DISPLAY_CMD_ON, LCD_CMD); // display on
usleep(4500); usleep(4500);
setNormalDisplay(); // set to normal display '1' is ON setNormalDisplay(); // set to normal display '1' is ON
@ -52,7 +52,7 @@ SSD1308::draw(uint8_t* data, int bytes)
setAddressingMode(HORIZONTAL); setAddressingMode(HORIZONTAL);
for (int idx = 0; idx < bytes; idx++) { for (int idx = 0; idx < bytes; idx++) {
i2cData(m_i2c_lcd_control, data[idx]); mraa_i2c_write_byte_data(m_i2c_lcd_control, data[idx], LCD_DATA);
} }
return error; return error;
@ -82,11 +82,15 @@ SSD1308::setCursor(int row, int column)
{ {
mraa_result_t error = MRAA_SUCCESS; mraa_result_t error = MRAA_SUCCESS;
error = i2Cmd(m_i2c_lcd_control, BASE_PAGE_START_ADDR + row); // set page address error = mraa_i2c_write_byte_data(m_i2c_lcd_control,
error = i2Cmd(m_i2c_lcd_control, BASE_PAGE_START_ADDR + row,
BASE_LOW_COLUMN_ADDR + (8 * column & 0x0F)); // set column lower address LCD_CMD); // set page address
error = i2Cmd(m_i2c_lcd_control, error = mraa_i2c_write_byte_data(m_i2c_lcd_control,
BASE_HIGH_COLUMN_ADDR + ((8 * column >> 4) & 0x0F)); // set column higher address BASE_LOW_COLUMN_ADDR + (8 * column & 0x0F),
LCD_CMD); // set column lower address
error = mraa_i2c_write_byte_data(m_i2c_lcd_control,
BASE_HIGH_COLUMN_ADDR + ((8 * column >> 4) & 0x0F),
LCD_CMD); // set column higher address
return error; return error;
} }
@ -97,7 +101,7 @@ SSD1308::clear()
mraa_result_t error = MRAA_SUCCESS; mraa_result_t error = MRAA_SUCCESS;
uint8_t columnIdx, rowIdx; uint8_t columnIdx, rowIdx;
i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_OFF); // display off mraa_i2c_write_byte_data(m_i2c_lcd_control, DISPLAY_CMD_OFF, LCD_CMD); // display off
for (rowIdx = 0; rowIdx < 8; rowIdx++) { for (rowIdx = 0; rowIdx < 8; rowIdx++) {
setCursor(rowIdx, 0); setCursor(rowIdx, 0);
@ -106,7 +110,7 @@ SSD1308::clear()
writeChar(m_i2c_lcd_control, ' '); writeChar(m_i2c_lcd_control, ' ');
} }
} }
i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_ON); // display on mraa_i2c_write_byte_data(m_i2c_lcd_control, DISPLAY_CMD_ON, LCD_CMD); // display on
home(); home();
return MRAA_SUCCESS; return MRAA_SUCCESS;
@ -131,19 +135,23 @@ SSD1308::writeChar(mraa_i2c_context ctx, uint8_t value)
} }
for (uint8_t idx = 0; idx < 8; idx++) { for (uint8_t idx = 0; idx < 8; idx++) {
i2cData(m_i2c_lcd_control, BasicFont[value - 32][idx]); mraa_i2c_write_byte_data(m_i2c_lcd_control, BasicFont[value - 32][idx], LCD_DATA);
} }
} }
mraa_result_t mraa_result_t
SSD1308::setNormalDisplay() SSD1308::setNormalDisplay()
{ {
return i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_SET_NORMAL_1308); // set to normal display '1' is ON return mraa_i2c_write_byte_data(m_i2c_lcd_control,
DISPLAY_CMD_SET_NORMAL_1308,
LCD_CMD); // set to normal display '1' is ON
} }
mraa_result_t mraa_result_t
SSD1308::setAddressingMode(displayAddressingMode mode) SSD1308::setAddressingMode(displayAddressingMode mode)
{ {
i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_MEM_ADDR_MODE); // set addressing mode mraa_i2c_write_byte_data(m_i2c_lcd_control,
i2Cmd(m_i2c_lcd_control, mode); // set page addressing mode DISPLAY_CMD_MEM_ADDR_MODE,
LCD_CMD); // set addressing mode
mraa_i2c_write_byte_data(m_i2c_lcd_control, mode, LCD_CMD); // set page addressing mode
} }

135
src/lcd/ssd1327.cxx
View File

@ -36,86 +36,96 @@ SSD1327::SSD1327(int bus_in, int addr_in) : I2CLcd(bus_in, addr_in)
{ {
mraa_result_t error = MRAA_SUCCESS; mraa_result_t error = MRAA_SUCCESS;
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
i2Cmd(m_i2c_lcd_control, mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xFD, LCD_CMD); // Unlock OLED driver IC MCU
0xFD); // Unlock OLED driver IC MCU interface from entering command. i.e: Accept commands // interface from entering command.
// i.e: Accept commands
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
i2Cmd(m_i2c_lcd_control, 0x12); mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x12, LCD_CMD);
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xAE); // Set display off error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xAE, LCD_CMD); // Set display off
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
i2Cmd(m_i2c_lcd_control, 0xA8); // set multiplex ratio mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xA8, LCD_CMD); // set multiplex ratio
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x5F); // 96 error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x5F, LCD_CMD); // 96
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xA1); // set display start line error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xA1, LCD_CMD); // set display start line
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x00); // error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x00, LCD_CMD); //
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xA2); // set display offset error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xA2, LCD_CMD); // set display offset
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x60); error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x60, LCD_CMD);
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xA0); // set remap error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xA0, LCD_CMD); // set remap
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x46); error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x46, LCD_CMD);
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xAB); // set vdd internal error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xAB, LCD_CMD); // set vdd internal
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x01); // error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x01, LCD_CMD); //
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x81); // set contrasr error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x81, LCD_CMD); // set contrasr
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x53); // 100 nit error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x53, LCD_CMD); // 100 nit
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xB1); // Set Phase Length error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xB1, LCD_CMD); // Set Phase Length
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0X51); // error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0X51, LCD_CMD); //
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xB3); // Set Display Clock Divide Ratio/Oscillator Frequency error = mraa_i2c_write_byte_data(m_i2c_lcd_control,
0xB3,
LCD_CMD); // Set Display Clock Divide Ratio/Oscillator
// Frequency
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x01); // error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x01, LCD_CMD); //
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xB9); // error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xB9, LCD_CMD); //
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xBC); // set pre_charge voltage/VCOMH error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xBC, LCD_CMD); // set pre_charge
// voltage/VCOMH
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x08); // (0x08); error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x08, LCD_CMD); // (0x08);
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xBE); // set VCOMH error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xBE, LCD_CMD); // set VCOMH
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0X07); // (0x07); error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0X07, LCD_CMD); // (0x07);
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xB6); // Set second pre-charge period error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xB6, LCD_CMD); // Set second pre-charge
// period
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x01); // error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x01, LCD_CMD); //
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xD5); // enable second precharge and enternal vsl error = mraa_i2c_write_byte_data(m_i2c_lcd_control,
0xD5,
LCD_CMD); // enable second precharge and enternal vsl
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0X62); // (0x62); error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0X62, LCD_CMD); // (0x62);
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xA4); // Set Normal Display Mode error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xA4, LCD_CMD); // Set Normal Display Mode
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x2E); // Deactivate Scroll error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x2E, LCD_CMD); // Deactivate Scroll
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0xAF); // Switch on display error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xAF, LCD_CMD); // Switch on display
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
// Row Address // Row Address
error = i2Cmd(m_i2c_lcd_control, 0x75); // Set Row Address error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x75, LCD_CMD); // Set Row Address
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x00); // Start 0 error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x00, LCD_CMD); // Start 0
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x5f); // End 95 error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x5f, LCD_CMD); // End 95
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
// Column Address // Column Address
error = i2Cmd(m_i2c_lcd_control, 0x15); // Set Column Address error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x15, LCD_CMD); // Set Column Address
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x08, LCD_CMD); // Start from 8th Column of
0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED // driver IC. This is 0th
// Column for OLED
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
error = i2Cmd(m_i2c_lcd_control, 0x37); // End at (8 + 47)th column. Each Column has 2 error = mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x37, LCD_CMD); // End at (8 + 47)th
// pixels(segments) // column. Each Column has 2
// pixels(segments)
usleep(INIT_SLEEP); usleep(INIT_SLEEP);
clear(); clear();
@ -143,7 +153,7 @@ SSD1327::draw(uint8_t* data, int bytes)
value |= (bitOne) ? grayHigh : 0x00; value |= (bitOne) ? grayHigh : 0x00;
value |= (bitTwo) ? grayLow : 0x00; value |= (bitTwo) ? grayLow : 0x00;
i2cData(m_i2c_lcd_control, value); mraa_i2c_write_byte_data(m_i2c_lcd_control, value, LCD_DATA);
usleep(CMD_SLEEP - 2000); usleep(CMD_SLEEP - 2000);
} }
} }
@ -175,18 +185,19 @@ SSD1327::setCursor(int row, int column)
mraa_result_t error = MRAA_SUCCESS; mraa_result_t error = MRAA_SUCCESS;
// Column Address // Column Address
i2Cmd(m_i2c_lcd_control, 0x15); /* Set Column Address */ mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x15, LCD_CMD); /* Set Column Address */
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
i2Cmd(m_i2c_lcd_control, 0x08 + (column * 4)); /* Start Column: Start from 8 */ mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x08 + (column * 4), LCD_CMD); /* Start Column:
Start from 8 */
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
i2Cmd(m_i2c_lcd_control, 0x37); /* End Column */ mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x37, LCD_CMD); /* End Column */
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
// Row Address // Row Address
i2Cmd(m_i2c_lcd_control, 0x75); /* Set Row Address */ mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x75, LCD_CMD); /* Set Row Address */
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
i2Cmd(m_i2c_lcd_control, 0x00 + (row * 8)); /* Start Row*/ mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x00 + (row * 8), LCD_CMD); /* Start Row*/
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
i2Cmd(m_i2c_lcd_control, 0x07 + (row * 8)); /* End Row*/ mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x07 + (row * 8), LCD_CMD); /* End Row*/
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
return error; return error;
@ -243,7 +254,7 @@ SSD1327::writeChar(mraa_i2c_context ctx, uint8_t value)
data |= (bitOne) ? grayHigh : 0x00; data |= (bitOne) ? grayHigh : 0x00;
data |= (bitTwo) ? grayLow : 0x00; data |= (bitTwo) ? grayLow : 0x00;
i2cData(m_i2c_lcd_control, data); mraa_i2c_write_byte_data(m_i2c_lcd_control, data, LCD_DATA);
usleep(CMD_SLEEP - 2000); usleep(CMD_SLEEP - 2000);
} }
} }
@ -252,41 +263,43 @@ SSD1327::writeChar(mraa_i2c_context ctx, uint8_t value)
mraa_result_t mraa_result_t
SSD1327::setNormalDisplay() SSD1327::setNormalDisplay()
{ {
return i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_SET_NORMAL); // set to normal display '1' is ON return mraa_i2c_write_byte_data(m_i2c_lcd_control,
DISPLAY_CMD_SET_NORMAL,
LCD_CMD); // set to normal display '1' is ON
} }
mraa_result_t mraa_result_t
SSD1327::setHorizontalMode() SSD1327::setHorizontalMode()
{ {
i2Cmd(m_i2c_lcd_control, 0xA0); // remap to mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xA0, LCD_CMD); // remap to
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
i2Cmd(m_i2c_lcd_control, 0x42); // horizontal mode mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x42, LCD_CMD); // horizontal mode
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
// Row Address // Row Address
i2Cmd(m_i2c_lcd_control, 0x75); // Set Row Address mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x75, LCD_CMD); // Set Row Address
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
i2Cmd(m_i2c_lcd_control, 0x00); // Start 0 mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x00, LCD_CMD); // Start 0
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
i2Cmd(m_i2c_lcd_control, 0x5f); // End 95 mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x5f, LCD_CMD); // End 95
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
// Column Address // Column Address
i2Cmd(m_i2c_lcd_control, 0x15); // Set Column Address mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x15, LCD_CMD); // Set Column Address
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
i2Cmd(m_i2c_lcd_control, mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x08, LCD_CMD); // Start from 8th Column of driver
0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED // IC. This is 0th Column for OLED
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
i2Cmd(m_i2c_lcd_control, mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x37, LCD_CMD); // End at (8 + 47)th column. Each
0x37); // End at (8 + 47)th column. Each Column has 2 pixels(or segments) // Column has 2 pixels(or segments)
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
} }
mraa_result_t mraa_result_t
SSD1327::setVerticalMode() SSD1327::setVerticalMode()
{ {
i2Cmd(m_i2c_lcd_control, 0xA0); // remap to mraa_i2c_write_byte_data(m_i2c_lcd_control, 0xA0, LCD_CMD); // remap to
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
i2Cmd(m_i2c_lcd_control, 0x46); // Vertical mode mraa_i2c_write_byte_data(m_i2c_lcd_control, 0x46, LCD_CMD); // Vertical mode
usleep(CMD_SLEEP); usleep(CMD_SLEEP);
} }