void Init_ADS1x9x_Resource(void)
{
Set_GPIO(); // Initializes ADS1x9x's input control lines
Set_UCB0_SPI(); // Initialize SPI regs.
//Set_DMA_SPI(); // Initialize DMA regs for SPI.
}
void oled_reinit(uint8_t clock,uint8_t multiplex,uint8_t functionselect,uint8_t vsl,uint8_t phaselen,uint8_t prechargevolt,uint8_t prechargeperiod,uint8_t vcomh) {
Set_Display_Off();
// cuts power to the display
gpio_write_bit(PIN_MAP[LCD_PWR_GPIO].gpio_device,
PIN_MAP[LCD_PWR_GPIO].gpio_bit,
0);
delay_us(250000); // give it 250ms to discharge, hard wait; prevent issues with switch bounce
/* Set the data/command pin to be a GPIO */
gpio_set_mode(PIN_MAP[LCD_DC_GPIO].gpio_device,
PIN_MAP[LCD_DC_GPIO].gpio_bit,
GPIO_OUTPUT_PP);
gpio_write_bit(PIN_MAP[LCD_DC_GPIO].gpio_device,
PIN_MAP[LCD_DC_GPIO].gpio_bit,
0);
/* Set chip-select to be a GPIO */
gpio_set_mode(PIN_MAP[LCD_CS_GPIO].gpio_device,
PIN_MAP[LCD_CS_GPIO].gpio_bit,
GPIO_OUTPUT_PP);
gpio_write_bit(PIN_MAP[LCD_CS_GPIO].gpio_device,
PIN_MAP[LCD_CS_GPIO].gpio_bit,
0);
/* Turn the display on */
gpio_set_mode(PIN_MAP[LCD_PWR_GPIO].gpio_device,
PIN_MAP[LCD_PWR_GPIO].gpio_bit,
GPIO_OUTPUT_PP);
gpio_write_bit(PIN_MAP[LCD_PWR_GPIO].gpio_device,
PIN_MAP[LCD_PWR_GPIO].gpio_bit,
1);
delay_us(2000); /* Documentation says at least 1ms */
/* Reset the display */
gpio_set_mode(PIN_MAP[LCD_RES_GPIO].gpio_device,
PIN_MAP[LCD_RES_GPIO].gpio_bit,
GPIO_OUTPUT_PP);
gpio_write_bit(PIN_MAP[LCD_RES_GPIO].gpio_device,
PIN_MAP[LCD_RES_GPIO].gpio_bit,
0);
delay_us(20); /* Documentation says at least 2us */
gpio_write_bit(PIN_MAP[LCD_RES_GPIO].gpio_device,
PIN_MAP[LCD_RES_GPIO].gpio_bit,
1);
//==============================
Set_Command_Lock(0x12); // Unlock Driver IC (0x12/0x16/0xB0/0xB1)
Set_Command_Lock(0xB1); // Unlock All Commands (0x12/0x16/0xB0/0xB1)
Set_Display_Off();
Set_Display_Clock(clock); // Set Clock as 90 Frames/Sec
Set_Multiplex_Ratio(multiplex); // 1/128 Duty (0x0F~0x7F)// 7F
Set_Display_Offset(0x00); // Shift Mapping RAM Counter (0x00~0x7F)
Set_Start_Line(0x00); // Set Mapping RAM Display Start Line (0x00~0x7F)
Set_Remap_Format(0x74); // Set Horizontal Address Increment
// Column Address 0 Mapped to SEG0
// Color Sequence D[15:0]=[RRRRR:GGGGGG:BBBBB]
// Scan from COM127 to COM0
// Enable COM Split Odd Even
// 65,536 Colors Mode (0x74)
// * 262,144 Colors Mode (0xB4)
Set_GPIO(0x00); // Disable GPIO Pins Input
Set_Function_Selection(functionselect); // Disable Internal VDD Regulator
// Select 8-bit Parallel Interface
Set_VSL(vsl); // Enable External VSL
Set_Gray_Scale_Table(); // Set Pulse Width for Gray Scale Table
Set_Phase_Length(0x32); // Set Phase 1 as 5 Clocks & Phase 2 as 3 Clocks
Set_Display_Enhancement(0xA4); // Enhance Display Performance
Set_Precharge_Voltage(prechargevolt); // Set Pre-Charge Voltage Level as 0.50*VCC, 1c in 4D
Set_Precharge_Period(prechargeperiod); // Set Second Pre-Charge Period as 1 Clock,
Set_VCOMH(vcomh); // Set Common Pins Deselect Voltage Level as 0.82*VCC. 1F in 4D
Set_Display_Mode(0x02); // Normal Display Mode (0x00/0x01/0x02/0x03)
CLS(0); // Clear Screen
delay_us(1000);
Set_Display_On();
}
//=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// Initialization
//=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
void oled_init(void) {
/* Set the data/command pin to be a GPIO */
gpio_set_mode(PIN_MAP[LCD_DC_GPIO].gpio_device,
PIN_MAP[LCD_DC_GPIO].gpio_bit,
GPIO_OUTPUT_PP);
gpio_write_bit(PIN_MAP[LCD_DC_GPIO].gpio_device,
PIN_MAP[LCD_DC_GPIO].gpio_bit,
0);
/* Set chip-select to be a GPIO */
gpio_set_mode(PIN_MAP[LCD_CS_GPIO].gpio_device,
PIN_MAP[LCD_CS_GPIO].gpio_bit,
GPIO_OUTPUT_PP);
gpio_write_bit(PIN_MAP[LCD_CS_GPIO].gpio_device,
PIN_MAP[LCD_CS_GPIO].gpio_bit,
0);
/* Turn the display on */
gpio_set_mode(PIN_MAP[LCD_PWR_GPIO].gpio_device,
PIN_MAP[LCD_PWR_GPIO].gpio_bit,
GPIO_OUTPUT_PP);
gpio_write_bit(PIN_MAP[LCD_PWR_GPIO].gpio_device,
PIN_MAP[LCD_PWR_GPIO].gpio_bit,
1);
delay_us(2000); /* Documentation says at least 1ms */
/* Reset the display */
gpio_set_mode(PIN_MAP[LCD_RES_GPIO].gpio_device,
PIN_MAP[LCD_RES_GPIO].gpio_bit,
GPIO_OUTPUT_PP);
gpio_write_bit(PIN_MAP[LCD_RES_GPIO].gpio_device,
PIN_MAP[LCD_RES_GPIO].gpio_bit,
0);
delay_us(20); /* Documentation says at least 2us */
gpio_write_bit(PIN_MAP[LCD_RES_GPIO].gpio_device,
PIN_MAP[LCD_RES_GPIO].gpio_bit,
1);
//==============================
Set_Command_Lock(0x12); // Unlock Driver IC (0x12/0x16/0xB0/0xB1)
Set_Command_Lock(0xB1); // Unlock All Commands (0x12/0x16/0xB0/0xB1)
Set_Display_Off();
Set_Display_Clock(0xF1); // Set Clock as 90 Frames/Sec
Set_Multiplex_Ratio(0x7F); // 1/128 Duty (0x0F~0x7F)// 7F
Set_Display_Offset(0x00); // Shift Mapping RAM Counter (0x00~0x7F)
Set_Start_Line(0x00); // Set Mapping RAM Display Start Line (0x00~0x7F)
Set_Remap_Format(0x74); // Set Horizontal Address Increment
// Column Address 0 Mapped to SEG0
// Color Sequence D[15:0]=[RRRRR:GGGGGG:BBBBB]
// Scan from COM127 to COM0
// Enable COM Split Odd Even
// 65,536 Colors Mode (0x74)
// * 262,144 Colors Mode (0xB4)
Set_GPIO(0x00); // Disable GPIO Pins Input
Set_Function_Selection(0x01); // Disable Internal VDD Regulator
// Select 8-bit Parallel Interface
Set_VSL(0x01); // Enable External VSL
//Set_Contrast_Color(0x80,0x80,0x80); // Set Contrast of Color A (Red)
Set_Contrast_Color(0xC8,0x80,0xC8); // Set Contrast of Color A (Red)
// Set Contrast of Color B (Green)
// Set Contrast of Color C (Blue)
Set_Master_Current(Brightness); // Set Scale Factor of Segment Output Current Control
Set_Gray_Scale_Table(); // Set Pulse Width for Gray Scale Table
Set_Phase_Length(0x32); // Set Phase 1 as 5 Clocks & Phase 2 as 3 Clocks
Set_Display_Enhancement(0xA4); // Enhance Display Performance
Set_Precharge_Voltage(0x17); // Set Pre-Charge Voltage Level as 0.50*VCC
Set_Precharge_Period(0x08); // Set Second Pre-Charge Period as 1 Clock
Set_Master_Current(Brightness); // Set Scale Factor of Segment Output Current Control
Set_Gray_Scale_Table(); // Set Pulse Width for Gray Scale Table
Set_Phase_Length(0x32); // Set Phase 1 as 5 Clocks & Phase 2 as 3 Clocks
Set_Display_Enhancement(0xA4); // Enhance Display Performance
Set_Precharge_Voltage(0x17); // Set Pre-Charge Voltage Level as 0.50*VCC
Set_Precharge_Period(0x08); // Set Second Pre-Charge Period as 1 Clock
Set_VCOMH(0x05); // Set Common Pins Deselect Voltage Level as 0.82*VCC
Set_Display_Mode(0x02); // Normal Display Mode (0x00/0x01/0x02/0x03)
CLS(0); // Clear Screen
delay_us(1000);
Set_Display_On();
}
