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i2clcd: Reformat the lcd source code
Reformatted to prepare for improving the error handling. This reformatting was done using clang-format. 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
committed by
Mihai Tudor Panu
Mihai Tudor Panu
parent
3abd3a5ee9
commit
bb59d5db7a
@ -30,106 +30,111 @@
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using namespace upm;
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#define INIT_SLEEP 50000
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#define CMD_SLEEP 10000
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#define CMD_SLEEP 10000
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SSD1327::SSD1327 (int bus_in, int addr_in) : I2CLcd (bus_in, addr_in) {
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mraa_result_t error = MRAA_SUCCESS;
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usleep (INIT_SLEEP);
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i2Cmd (m_i2c_lcd_control, 0xFD); // Unlock OLED driver IC MCU interface from entering command. i.e: Accept commands
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usleep (INIT_SLEEP);
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i2Cmd (m_i2c_lcd_control, 0x12);
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xAE); // Set display off
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usleep (INIT_SLEEP);
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i2Cmd (m_i2c_lcd_control, 0xA8); // set multiplex ratio
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x5F); // 96
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xA1); // set display start line
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x00); //
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xA2); // set display offset
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x60);
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xA0); // set remap
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x46);
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xAB); // set vdd internal
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x01); //
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x81); // set contrasr
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x53); // 100 nit
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xB1); // Set Phase Length
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0X51); //
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xB3); // Set Display Clock Divide Ratio/Oscillator Frequency
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x01); //
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xB9); //
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xBC); // set pre_charge voltage/VCOMH
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x08); // (0x08);
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xBE); // set VCOMH
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0X07); // (0x07);
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xB6); // Set second pre-charge period
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x01); //
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xD5); // enable second precharge and enternal vsl
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0X62); // (0x62);
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xA4); // Set Normal Display Mode
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x2E); // Deactivate Scroll
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0xAF); // Switch on display
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usleep (INIT_SLEEP);
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SSD1327::SSD1327(int bus_in, int addr_in) : I2CLcd(bus_in, addr_in)
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{
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mraa_result_t error = MRAA_SUCCESS;
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usleep(INIT_SLEEP);
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i2Cmd(m_i2c_lcd_control,
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0xFD); // Unlock OLED driver IC MCU interface from entering command. i.e: Accept commands
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usleep(INIT_SLEEP);
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i2Cmd(m_i2c_lcd_control, 0x12);
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xAE); // Set display off
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usleep(INIT_SLEEP);
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i2Cmd(m_i2c_lcd_control, 0xA8); // set multiplex ratio
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x5F); // 96
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xA1); // set display start line
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x00); //
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xA2); // set display offset
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x60);
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xA0); // set remap
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x46);
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xAB); // set vdd internal
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x01); //
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x81); // set contrasr
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x53); // 100 nit
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xB1); // Set Phase Length
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0X51); //
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xB3); // Set Display Clock Divide Ratio/Oscillator Frequency
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x01); //
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xB9); //
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xBC); // set pre_charge voltage/VCOMH
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x08); // (0x08);
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xBE); // set VCOMH
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0X07); // (0x07);
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xB6); // Set second pre-charge period
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x01); //
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xD5); // enable second precharge and enternal vsl
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0X62); // (0x62);
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xA4); // Set Normal Display Mode
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x2E); // Deactivate Scroll
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0xAF); // Switch on display
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usleep(INIT_SLEEP);
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// Row Address
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error = i2Cmd (m_i2c_lcd_control, 0x75); // Set Row Address
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x00); // Start 0
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x5f); // End 95
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usleep (INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x75); // Set Row Address
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x00); // Start 0
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x5f); // End 95
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usleep(INIT_SLEEP);
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// Column Address
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error = i2Cmd (m_i2c_lcd_control, 0x15); // Set Column Address
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED
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usleep (INIT_SLEEP);
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error = i2Cmd (m_i2c_lcd_control, 0x37); // End at (8 + 47)th column. Each Column has 2 pixels(segments)
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usleep (INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x15); // Set Column Address
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control,
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0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED
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usleep(INIT_SLEEP);
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error = i2Cmd(m_i2c_lcd_control, 0x37); // End at (8 + 47)th column. Each Column has 2
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// pixels(segments)
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usleep(INIT_SLEEP);
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clear ();
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setNormalDisplay ();
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setVerticalMode ();
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clear();
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setNormalDisplay();
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setVerticalMode();
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}
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SSD1327::~SSD1327 () {
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SSD1327::~SSD1327()
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{
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}
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mraa_result_t
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SSD1327::draw (uint8_t *data, int bytes) {
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SSD1327::draw(uint8_t* data, int bytes)
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{
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mraa_result_t error = MRAA_SUCCESS;
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setHorizontalMode ();
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setHorizontalMode();
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for (int row = 0; row < bytes; row++) {
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for (uint8_t col = 0; col < 8; col+=2) {
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for (uint8_t col = 0; col < 8; col += 2) {
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uint8_t value = 0x0;
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uint8_t bitOne = (data[row] << col) & 0x80;
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@ -138,8 +143,8 @@ SSD1327::draw (uint8_t *data, int bytes) {
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value |= (bitOne) ? grayHigh : 0x00;
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value |= (bitTwo) ? grayLow : 0x00;
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i2cData (m_i2c_lcd_control, value);
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usleep (CMD_SLEEP - 2000);
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i2cData(m_i2c_lcd_control, value);
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usleep(CMD_SLEEP - 2000);
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}
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}
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@ -152,48 +157,51 @@ SSD1327::draw (uint8_t *data, int bytes) {
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* **************
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*/
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mraa_result_t
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SSD1327::write (std::string msg) {
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SSD1327::write(std::string msg)
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{
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mraa_result_t error = MRAA_SUCCESS;
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setVerticalMode ();
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setVerticalMode();
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for (std::string::size_type i = 0; i < msg.size(); ++i) {
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writeChar (m_i2c_lcd_control, msg[i]);
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writeChar(m_i2c_lcd_control, msg[i]);
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}
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return error;
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}
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mraa_result_t
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SSD1327::setCursor (int row, int column) {
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SSD1327::setCursor(int row, int column)
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{
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mraa_result_t error = MRAA_SUCCESS;
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//Column Address
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i2Cmd (m_i2c_lcd_control, 0x15); /* Set Column Address */
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usleep (CMD_SLEEP);
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i2Cmd (m_i2c_lcd_control, 0x08 + (column * 4)); /* Start Column: Start from 8 */
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usleep (CMD_SLEEP);
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i2Cmd (m_i2c_lcd_control, 0x37); /* End Column */
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usleep (CMD_SLEEP);
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// Column Address
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i2Cmd(m_i2c_lcd_control, 0x15); /* Set Column Address */
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usleep(CMD_SLEEP);
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i2Cmd(m_i2c_lcd_control, 0x08 + (column * 4)); /* Start Column: Start from 8 */
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usleep(CMD_SLEEP);
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i2Cmd(m_i2c_lcd_control, 0x37); /* End Column */
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usleep(CMD_SLEEP);
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// Row Address
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i2Cmd (m_i2c_lcd_control, 0x75); /* Set Row Address */
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usleep (CMD_SLEEP);
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i2Cmd (m_i2c_lcd_control, 0x00 + (row * 8)); /* Start Row*/
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usleep (CMD_SLEEP);
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i2Cmd (m_i2c_lcd_control, 0x07 + (row * 8)); /* End Row*/
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usleep (CMD_SLEEP);
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i2Cmd(m_i2c_lcd_control, 0x75); /* Set Row Address */
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usleep(CMD_SLEEP);
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i2Cmd(m_i2c_lcd_control, 0x00 + (row * 8)); /* Start Row*/
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usleep(CMD_SLEEP);
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i2Cmd(m_i2c_lcd_control, 0x07 + (row * 8)); /* End Row*/
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usleep(CMD_SLEEP);
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return error;
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}
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mraa_result_t
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SSD1327::clear () {
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SSD1327::clear()
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{
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mraa_result_t error = MRAA_SUCCESS;
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uint8_t columnIdx, rowIdx;
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for(rowIdx = 0; rowIdx < 12; rowIdx++) {
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for (rowIdx = 0; rowIdx < 12; rowIdx++) {
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// clear all columns
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for(columnIdx = 0; columnIdx < 12; columnIdx++) {
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writeChar (m_i2c_lcd_control, ' ');
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for (columnIdx = 0; columnIdx < 12; columnIdx++) {
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writeChar(m_i2c_lcd_control, ' ');
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}
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}
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@ -201,14 +209,16 @@ SSD1327::clear () {
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}
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mraa_result_t
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SSD1327::home () {
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return setCursor (0, 0);
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SSD1327::home()
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{
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return setCursor(0, 0);
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}
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mraa_result_t
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SSD1327::setGrayLevel (uint8_t level) {
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SSD1327::setGrayLevel(uint8_t level)
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{
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grayHigh = (level << 4) & 0xF0;
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grayLow = level & 0x0F;
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grayLow = level & 0x0F;
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}
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/*
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@ -217,12 +227,13 @@ SSD1327::setGrayLevel (uint8_t level) {
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* **************
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*/
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mraa_result_t
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SSD1327::writeChar (mraa_i2c_context ctx, uint8_t value) {
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SSD1327::writeChar(mraa_i2c_context ctx, uint8_t value)
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{
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if (value < 0x20 || value > 0x7F) {
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value = 0x20; // space
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}
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for (uint8_t row = 0; row < 8; row=row+2) {
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for (uint8_t row = 0; row < 8; row = row + 2) {
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for (uint8_t col = 0; col < 8; col++) {
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uint8_t data = 0x0;
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@ -232,45 +243,50 @@ SSD1327::writeChar (mraa_i2c_context ctx, uint8_t value) {
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data |= (bitOne) ? grayHigh : 0x00;
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data |= (bitTwo) ? grayLow : 0x00;
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i2cData (m_i2c_lcd_control, data);
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usleep (CMD_SLEEP - 2000);
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i2cData(m_i2c_lcd_control, data);
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usleep(CMD_SLEEP - 2000);
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}
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}
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}
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mraa_result_t
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SSD1327::setNormalDisplay () {
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return i2Cmd (m_i2c_lcd_control, DISPLAY_CMD_SET_NORMAL); // set to normal display '1' is ON
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SSD1327::setNormalDisplay()
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{
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return i2Cmd(m_i2c_lcd_control, DISPLAY_CMD_SET_NORMAL); // set to normal display '1' is ON
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}
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mraa_result_t
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SSD1327::setHorizontalMode () {
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i2Cmd (m_i2c_lcd_control, 0xA0); // remap to
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usleep (CMD_SLEEP);
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i2Cmd (m_i2c_lcd_control, 0x42); // horizontal mode
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usleep (CMD_SLEEP);
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SSD1327::setHorizontalMode()
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{
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i2Cmd(m_i2c_lcd_control, 0xA0); // remap to
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usleep(CMD_SLEEP);
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i2Cmd(m_i2c_lcd_control, 0x42); // horizontal mode
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usleep(CMD_SLEEP);
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// Row Address
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i2Cmd (m_i2c_lcd_control, 0x75); // Set Row Address
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usleep (CMD_SLEEP);
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i2Cmd (m_i2c_lcd_control, 0x00); // Start 0
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usleep (CMD_SLEEP);
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i2Cmd (m_i2c_lcd_control, 0x5f); // End 95
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usleep (CMD_SLEEP);
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i2Cmd(m_i2c_lcd_control, 0x75); // Set Row Address
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usleep(CMD_SLEEP);
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i2Cmd(m_i2c_lcd_control, 0x00); // Start 0
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usleep(CMD_SLEEP);
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i2Cmd(m_i2c_lcd_control, 0x5f); // End 95
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usleep(CMD_SLEEP);
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// Column Address
|
||||
i2Cmd (m_i2c_lcd_control, 0x15); // Set Column Address
|
||||
usleep (CMD_SLEEP);
|
||||
i2Cmd (m_i2c_lcd_control, 0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED
|
||||
usleep (CMD_SLEEP);
|
||||
i2Cmd (m_i2c_lcd_control, 0x37); // End at (8 + 47)th column. Each Column has 2 pixels(or segments)
|
||||
usleep (CMD_SLEEP);
|
||||
i2Cmd(m_i2c_lcd_control, 0x15); // Set Column Address
|
||||
usleep(CMD_SLEEP);
|
||||
i2Cmd(m_i2c_lcd_control,
|
||||
0x08); // Start from 8th Column of driver IC. This is 0th Column for OLED
|
||||
usleep(CMD_SLEEP);
|
||||
i2Cmd(m_i2c_lcd_control,
|
||||
0x37); // End at (8 + 47)th column. Each Column has 2 pixels(or segments)
|
||||
usleep(CMD_SLEEP);
|
||||
}
|
||||
|
||||
mraa_result_t
|
||||
SSD1327::setVerticalMode () {
|
||||
i2Cmd (m_i2c_lcd_control, 0xA0); // remap to
|
||||
usleep (CMD_SLEEP);
|
||||
i2Cmd (m_i2c_lcd_control, 0x46); // Vertical mode
|
||||
usleep (CMD_SLEEP);
|
||||
SSD1327::setVerticalMode()
|
||||
{
|
||||
i2Cmd(m_i2c_lcd_control, 0xA0); // remap to
|
||||
usleep(CMD_SLEEP);
|
||||
i2Cmd(m_i2c_lcd_control, 0x46); // Vertical mode
|
||||
usleep(CMD_SLEEP);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user