//PCF8535 Address:

#define LCD_ADDR_W    0x78 //address, R/W = 0
#define LCD_ADDR_R    0x79 //address, R/W = 1

//Control Byte:

#define LCD_CTRL      0x00 //Co = 0, D/C = 0
#define LCD_CO_CTRL   0x80 //Co = 1, D/C = 0
#define LCD_DATA      0x40 //Co = 0, D/C = 1

//H[2:0] = XXX - RAM Read/Write Command Page:

#define LCD_NOP       0x00 //no operation
#define LCD_PAGE_FN   0x01 //H[2:0] = 111: select Function and RAM Command Page

//H[2:0] = 111 - Function and RAM Command Page:

#define LCD_PAGE_DS   0x0E //H[2:0] = 110: select Display Setting Command Page
#define LCD_PAGE_HV   0x0D //H[2:0] = 101: select HV-gen Command Page
#define LCD_PAGE_SP   0x0B //H[2:0] = 011: select Special Feature Command Page

#define LCD_POWERDN   0x14 //PD = 1, V = 0: power down
#define LCD_VERT_ADDR 0x12 //PD = 0, V = 1: vertical addressing
#define LCD_HOR_ADDR  0x10 //PD = 0, V = 0: horizontal addressing

#define LCD_XM_0      0x20 //XMo = 0, X addressing 0..127
#define LCD_XM_1      0x24 //XMo = 0, X addressing 128..132

#define LCD_ADDR_Y    0x40 //+ Y address 0..8
#define LCD_ADDR_X    0x80 //+ X address 0..127

//H[2:0] = 110 - Display Setting Command Page:

#define LCD_BLANK     0x04 //D = 0, E = 0: display blank
#define LCD_NORMAL    0x06 //D = 1, E = 0: normal mode
#define LCD_ALL_ON    0x05 //D = 0, E = 1: all display segments on
#define LCD_INV_VID   0x07 //D = 1, E = 1: inverse video

#define LCD_NO_MIRROR 0x08 //MX = 0, MY = 0: no mirror
#define LCD_X_MIRROR  0x0C //MX = 1, MY = 0: X mirror
#define LCD_Y_MIRROR  0x0A //MX = 0, MY = 1: Y mirror
#define LCD_XY_MIRROR 0x0E //MX = 1, MY = 1: Y mirror

#define LCD_BIAS_1_11 0x10 //[BS2:BS0] = 0: bias 1/11
#define LCD_BIAS_1_10 0x11 //[BS2:BS0] = 1: bias 1/10
#define LCD_BIAS_1_9  0x12 //[BS2:BS0] = 2: bias 1/9
#define LCD_BIAS_1_8  0x13 //[BS2:BS0] = 3: bias 1/8
#define LCD_BIAS_1_7  0x14 //[BS2:BS0] = 4: bias 1/7
#define LCD_BIAS_1_6  0x15 //[BS2:BS0] = 5: bias 1/6
#define LCD_BIAS_1_5  0x16 //[BS2:BS0] = 6: bias 1/5
#define LCD_BIAS_1_4  0x17 //[BS2:BS0] = 7: bias 1/4

#define LCD_BIAS_L    0x20 //IB = 0: low bias current mode
#define LCD_BIAS_H    0x24 //IB = 1: high bias current mode

#define LCD_MUX_1_17  0x80 //[M2:M0] = 0: multiplex rate 1/17
#define LCD_MUX_1_26  0x81 //[M2:M0] = 1: multiplex rate 1/26
#define LCD_MUX_1_34  0x82 //[M2:M0] = 2: multiplex rate 1/34
#define LCD_MUX_1_49  0x83 //[M2:M0] = 3: multiplex rate 1/49
#define LCD_MUX_1_65  0x84 //[M2:M0] = 4: multiplex rate 1/65

//H[2:0] = 101 - HV-gen Command Page:

#define LCD_HV_OFF    0x04 //PRS = 0, HVE = 0: HV-gen disabled
#define LCD_HV_LOW    0x05 //PRS = 0, HVE = 1: HV-gen on, Vlcd low range
#define LCD_HV_HIGH   0x07 //PRS = 1, HVE = 1: HV-gen on, Vlcd high range

#define LCD_VMUL_X2   0x08 //[S1:S0] = 0: multiplication factor 2
#define LCD_VMUL_X3   0x09 //[S1:S0] = 1: multiplication factor 3
#define LCD_VMUL_X4   0x0A //[S1:S0] = 2: multiplication factor 4
#define LCD_VMUL_X5   0x0B //[S1:S0] = 3: multiplication factor 5

#define LCD_TC_0_00   0x10 //[TC2:TC0] = 0: temp. coeff.  0.00E-3 1/°C
#define LCD_TC_0_44   0x11 //[TC2:TC0] = 1: temp. coeff. -0.44E-3 1/°C
#define LCD_TC_1_10   0x12 //[TC2:TC0] = 2: temp. coeff. -1.10E-3 1/°C
#define LCD_TC_1_45   0x13 //[TC2:TC0] = 3: temp. coeff. -1.45E-3 1/°C
#define LCD_TC_1_91   0x14 //[TC2:TC0] = 4: temp. coeff. -1.91E-3 1/°C
#define LCD_TC_2_15   0x15 //[TC2:TC0] = 5: temp. coeff. -2.15E-3 1/°C
#define LCD_TC_2_32   0x16 //[TC2:TC0] = 6: temp. coeff. -2.32E-3 1/°C
#define LCD_TC_2_74   0x17 //[TC2:TC0] = 7: temp. coeff. -2.74E-3 1/°C

#define LCD_START_TM  0x21 //TM = 1: start temperature measurement

#define LCD_V_LCD     0x80 //+ Vlcd 0..127

//H[2:0] = 011 - Special Feature Command Page:

#define LCD_DISP_OFF  0x06 //DOF = 1, DM = 0: display off
#define LCD_EXT_VLCD  0x04 //DOF = 0, DM = 0: external Vlcd (if HVE = 0)
#define LCD_INT_VLCD  0x04 //DOF = 0, DM = 0: internal Vlcd (if HVE = 1)
#define LCD_VDD_VLCD  0x05 //DOF = 0, DM = 1: using Vdd as Vlcd (if HVE = 0)

#define LCD_OSC_EN    0x08 //EC = 0: internal oscillator enabled
#define LCD_OSC_DIS   0x0A //EC = 1: internal oscillator disabled

#define LCD_NO_SWAP   0x40 //TRS = 0, BRS = 0: no row swap
#define LCD_TOP_SWAP  0x50 //TRS = 1, BRS = 0: top row swap
#define LCD_BOT_SWAP  0x48 //TRS = 0, BRS = 1: bottom row swap
#define LCD_ALL_SWAP  0x58 //TRS = 1, BRS = 1: all row swap

  Port_RES_1;              //снимаем RESET

  I2C_Start();
  I2C_Write(LCD_ADDR_W);   //address
  I2C_Write(LCD_CTRL);     //control byte

  I2C_Write(LCD_PAGE_FN);  //select Function and RAM Command Page
  I2C_Write(LCD_HOR_ADDR); //PD = 0

  I2C_Write(LCD_PAGE_DS);  //select Display Setting Command Page
  I2C_Write(LCD_Y_MIRROR); //set mirror mode
  I2C_Write(LCD_BIAS_1_9); //set bias
  I2C_Write(LCD_BIAS_H);   //select bias current
  I2C_Write(LCD_MUX_1_65); //set mux rate
  I2C_Write(LCD_NORMAL);   //D = 1, E = 0

  I2C_Write(LCD_PAGE_FN);  //select Function and RAM Command Page
  I2C_Write(LCD_PAGE_SP);  //select Special Feature Command Page
  I2C_Write(LCD_ALL_SWAP); //TRS = 1, BRS = 1
  I2C_Write(LCD_VDD_VLCD); //DM = 1
  Delay_us(100);

  I2C_Write(LCD_PAGE_FN);  //select Function and RAM Command Page
  I2C_Write(LCD_PAGE_HV);  //select HV-gen Command Page
  I2C_Write(LCD_TC_1_10);  //temp. coeff. -1.10E-3 1/°C
  I2C_Write(LCD_V_LCD + NOM_CONTR); //set Vlcd
  I2C_Write(LCD_HV_LOW);   //PRS = 0, HVE = 1
  Delay_us(100);
  I2C_Write(LCD_VMUL_X3);  //set mul factor
  Delay_us(100);

  I2C_Write(LCD_PAGE_FN);  //select Function and RAM Command Page
  I2C_Write(LCD_PAGE_SP);  //select Special Feature Command Page
  I2C_Write(LCD_INT_VLCD); //DM = 0
  I2C_Stop();