526 lines
12 KiB
C
526 lines
12 KiB
C
/*
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* Code found at http://www.instructables.com/id/How-to-use-OLED-display-arduino-module/
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* Thank you very much!
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* Adapted from Arduino to STM32 HAL by wollud1969
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*/
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#include "oled.h"
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#include "oled-fonts.h"
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#include "stm32f1xx_hal.h"
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#define HIGH GPIO_PIN_SET
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#define LOW GPIO_PIN_RESET
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// DO: SPI Clk, D1: SPI Data
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extern SPI_HandleTypeDef hspi1;
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static void __LEDPIN_RST(GPIO_PinState v) {
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HAL_GPIO_WritePin(OLED_RST_GPIO_Port, OLED_RST_Pin, v);
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}
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static void __LEDPIN_DC(GPIO_PinState v) {
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HAL_GPIO_WritePin(OLED_DC_GPIO_Port, OLED_DC_Pin, v);
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}
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static void __LEDPIN_CS(GPIO_PinState v) {
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HAL_GPIO_WritePin(OLED_CS_GPIO_Port, OLED_CS_Pin, v);
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}
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void LED_WrDat(unsigned char data)
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{
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__LEDPIN_CS(LOW);
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__LEDPIN_DC(HIGH);
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HAL_SPI_Transmit(&hspi1, &data, 1, 0);
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__LEDPIN_CS(HIGH);
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}
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void LED_WrCmd(unsigned char cmd)
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{
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__LEDPIN_CS(LOW);
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__LEDPIN_DC(LOW);
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HAL_SPI_Transmit(&hspi1, &cmd, 1, 0);
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__LEDPIN_CS(HIGH);
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}
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void LED_Set_Pos(unsigned char x, unsigned char y)
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{
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LED_WrCmd(0xb0+y);
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LED_WrCmd(((x&0xf0)>>4)|0x10);
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LED_WrCmd((x&0x0f)|0x00);
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}
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void LED_Fill(unsigned char bmp_data)
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{
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unsigned char y,x;
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for(y=0;y<8;y++)
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{
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LED_WrCmd(0xb0+y);
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LED_WrCmd(0x00);
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LED_WrCmd(0x10);
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for(x=0;x<128;x++)
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LED_WrDat(bmp_data);
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}
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}
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void LED_CLS(void)
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{
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unsigned char y,x;
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for(y=0;y<8;y++)
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{
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LED_WrCmd(0xb0+y);
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LED_WrCmd(0x00);
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LED_WrCmd(0x10);
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for(x=0;x<128;x++)
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LED_WrDat(0);
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}
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}
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void LED_DLY_ms(unsigned int ms)
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{
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uint32_t start = HAL_GetTick();
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while (HAL_GetTick() < start + ms);
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}
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void SetStartColumn(unsigned char d)
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{
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LED_WrCmd(0x00+d%16); // Set Lower Column Start Address for Page Addressing Mode
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// Default => 0x00
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LED_WrCmd(0x10+d/16); // Set Higher Column Start Address for Page Addressing Mode
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// Default => 0x10
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}
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void SetAddressingMode(unsigned char d)
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{
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LED_WrCmd(0x20); // Set Memory Addressing Mode
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LED_WrCmd(d); // Default => 0x02
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// 0x00 => Horizontal Addressing Mode
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// 0x01 => Vertical Addressing Mode
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// 0x02 => Page Addressing Mode
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}
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void SetColumnAddress(unsigned char a, unsigned char b)
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{
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LED_WrCmd(0x21); // Set Column Address
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LED_WrCmd(a); // Default => 0x00 (Column Start Address)
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LED_WrCmd(b); // Default => 0x7F (Column End Address)
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}
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void SetPageAddress(unsigned char a, unsigned char b)
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{
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LED_WrCmd(0x22); // Set Page Address
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LED_WrCmd(a); // Default => 0x00 (Page Start Address)
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LED_WrCmd(b); // Default => 0x07 (Page End Address)
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}
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void SetStartLine(unsigned char d)
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{
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LED_WrCmd(0x40|d); // Set Display Start Line
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// Default => 0x40 (0x00)
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}
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void SetContrastControl(unsigned char d)
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{
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LED_WrCmd(0x81); // Set Contrast Control
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LED_WrCmd(d); // Default => 0x7F
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}
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void Set_Charge_Pump(unsigned char d)
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{
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LED_WrCmd(0x8D); // Set Charge Pump
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LED_WrCmd(0x10|d); // Default => 0x10
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// 0x10 (0x00) => Disable Charge Pump
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// 0x14 (0x04) => Enable Charge Pump
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}
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void Set_Segment_Remap(unsigned char d)
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{
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LED_WrCmd(0xA0|d); // Set Segment Re-Map
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// Default => 0xA0
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// 0xA0 (0x00) => Column Address 0 Mapped to SEG0
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// 0xA1 (0x01) => Column Address 0 Mapped to SEG127
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}
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void Set_Entire_Display(unsigned char d)
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{
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LED_WrCmd(0xA4|d); // Set Entire Display On / Off
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// Default => 0xA4
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// 0xA4 (0x00) => Normal Display
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// 0xA5 (0x01) => Entire Display On
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}
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void Set_Inverse_Display(unsigned char d)
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{
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LED_WrCmd(0xA6|d); // Set Inverse Display On/Off
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// Default => 0xA6
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// 0xA6 (0x00) => Normal Display
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// 0xA7 (0x01) => Inverse Display On
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}
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void Set_Multiplex_Ratio(unsigned char d)
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{
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LED_WrCmd(0xA8); // Set Multiplex Ratio
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LED_WrCmd(d); // Default => 0x3F (1/64 Duty)
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}
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void Set_Display_On_Off(unsigned char d)
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{
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LED_WrCmd(0xAE|d); // Set Display On/Off
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// Default => 0xAE
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// 0xAE (0x00) => Display Off
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// 0xAF (0x01) => Display On
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}
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void SetStartPage(unsigned char d)
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{
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LED_WrCmd(0xB0|d); // Set Page Start Address for Page Addressing Mode
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// Default => 0xB0 (0x00)
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}
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void Set_Common_Remap(unsigned char d)
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{
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LED_WrCmd(0xC0|d); // Set COM Output Scan Direction
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// Default => 0xC0
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// 0xC0 (0x00) => Scan from COM0 to 63
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// 0xC8 (0x08) => Scan from COM63 to 0
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}
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void Set_Display_Offset(unsigned char d)
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{
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LED_WrCmd(0xD3); // Set Display Offset
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LED_WrCmd(d); // Default => 0x00
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}
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void Set_Display_Clock(unsigned char d)
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{
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LED_WrCmd(0xD5); // Set Display Clock Divide Ratio / Oscillator Frequency
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LED_WrCmd(d); // Default => 0x80
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// D[3:0] => Display Clock Divider
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// D[7:4] => Oscillator Frequency
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}
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void Set_Precharge_Period(unsigned char d)
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{
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LED_WrCmd(0xD9); // Set Pre-Charge Period
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LED_WrCmd(d); // Default => 0x22 (2 Display Clocks [Phase 2] / 2 Display Clocks [Phase 1])
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// D[3:0] => Phase 1 Period in 1~15 Display Clocks
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// D[7:4] => Phase 2 Period in 1~15 Display Clocks
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}
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void Set_Common_Config(unsigned char d)
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{
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LED_WrCmd(0xDA); // Set COM Pins Hardware Configuration
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LED_WrCmd(0x02|d); // Default => 0x12 (0x10)
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// Alternative COM Pin Configuration
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// Disable COM Left/Right Re-Map
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}
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void Set_VCOMH(unsigned char d)
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{
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LED_WrCmd(0xDB); // Set VCOMH Deselect Level
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LED_WrCmd(d); // Default => 0x20 (0.77*VCC)
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}
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void Set_NOP(void)
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{
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LED_WrCmd(0xE3); // Command for No Operation
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}
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void LED_Init(void)
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{
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// LEDPIN_Init();
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// LED_PORT=0X0F;
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//LED_SCLH;;;
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//LED_RSTL;;;
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//digitalWrite(SCL_PIN,HIGH);;;
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__LEDPIN_RST(LOW);
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// for(i=0;i<100;i++)asm("nop");
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LED_DLY_ms(50);
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//LED_RSTH;;;
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__LEDPIN_RST(HIGH);
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Set_Display_On_Off(0x00); // Display Off (0x00/0x01)
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Set_Display_Clock(0x80); // Set Clock as 100 Frames/Sec
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Set_Multiplex_Ratio(0x3F); // 1/64 Duty (0x0F~0x3F)
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Set_Display_Offset(0x00); // Shift Mapping RAM Counter (0x00~0x3F)
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SetStartLine(0x00); // Set Mapping RAM Display Start Line (0x00~0x3F)
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Set_Charge_Pump(0x04); // Enable Embedded DC/DC Converter (0x00/0x04)
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SetAddressingMode(0x02); // Set Page Addressing Mode (0x00/0x01/0x02)
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Set_Segment_Remap(0x01); // Set SEG/Column Mapping
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Set_Common_Remap(0x08); // Set COM/Row Scan Direction
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Set_Common_Config(0x10); // Set Sequential Configuration (0x00/0x10)
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SetContrastControl(0xCF); // Set SEG Output Current
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Set_Precharge_Period(0xF1); // Set Pre-Charge as 15 Clocks & Discharge as 1 Clock
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Set_VCOMH(0x40); // Set VCOM Deselect Level
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Set_Entire_Display(0x00); // Disable Entire Display On (0x00/0x01)
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Set_Inverse_Display(0x00); // Disable Inverse Display On (0x00/0x01)
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Set_Display_On_Off(0x01); // Display On (0x00/0x01)
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LED_Fill(0x00); //clear all
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LED_Set_Pos(0,0);
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}
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void LED_P6x8Char(unsigned char x,unsigned char y,unsigned char ch)
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{
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unsigned char c=0,i=0;
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c =ch-32;
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if(x>122)
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{
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x=0;
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y++;
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}
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LED_Set_Pos(x,y);
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for(i=0;i<6;i++)
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{
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LED_WrDat(F6x8[c][i]);
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}
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}
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void LED_P6x8Str(unsigned char x,unsigned char y,char ch[])
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{
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unsigned char c=0,i=0,j=0;
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while (ch[j]!='\0')
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{
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c =ch[j]-32;
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if(x>126)
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{
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x=0;
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y++;
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}
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LED_Set_Pos(x,y);
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for(i=0;i<6;i++)
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{
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LED_WrDat(F6x8[c][i]);
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}
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x+=6;
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j++;
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}
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}
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void LED_P8x16Str(unsigned char x,unsigned char y,char ch[])
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{
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unsigned char c=0,i=0,j=0;
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while (ch[j]!='\0')
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{
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c =ch[j]-32;
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if(x>120)
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{
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x=0;
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y++;
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}
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LED_Set_Pos(x,y);
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for(i=0;i<8;i++)
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{
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LED_WrDat(F8X16[(c<<4)+i]);
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}
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LED_Set_Pos(x,y+1);
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for(i=0;i<8;i++)
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{
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LED_WrDat(F8X16[(c<<4)+i+8]);
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}
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x+=8;
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j++;
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}
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}
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void LED_PrintBMP(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char bmp[])
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{
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int ii=0;
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unsigned char x,y;
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for(y=y0;y<=y1;y++)
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{
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LED_Set_Pos(x0,y);
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for(x=x0;x<x1;x++)
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{
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LED_WrDat(bmp[ii++]);
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}
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}
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}
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//void LED_PrintValueC(unsigned char x, unsigned char y, char data)
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//{
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// unsigned char i,j,k;
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// if(data < 0)
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// {
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// LED_P6x8Char(x,y,'-');
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// data = - data;
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// }
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// else
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// {
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// LED_P6x8Char(x,y,'+');
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// }
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// i = data/100;
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// j = (data%100)/10;
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// k = data%10;
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// LED_P6x8Char(x+6,y,i+48);
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// LED_P6x8Char(x+12,y,j+48);
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// LED_P6x8Char(x+18,y,k+48);
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//}
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//
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//
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//void LED_PrintValueI(unsigned char x, unsigned char y, int data)
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//{
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// unsigned char i,j,k,l,m;
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// if(data < 0)
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// {
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// LED_P6x8Char(x,y,'-');
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// data = - data;
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// }
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//// else
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//// {
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//// LED_P6x8Char(x,y,'+');
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//// }
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//
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// l = data/10000;
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// m= (data%10000)/1000;
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// i = (data%1000)/100;
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// j = (data%100)/10;
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// k = data%10;
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//
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// unsigned char c;
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// c = (l == 0) ? ' ' : (l + 48); LED_P6x8Char(x+6,y,c);
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// c = (m == 0 && l == 0) ? ' ' : (m + 48); LED_P6x8Char(x+12,y,c);
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// c = (i == 0 && m == 0 && l == 0) ? ' ' : (i + 48); LED_P6x8Char(x+18,y,c);
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// c = (j == 0 && i == 0 && m == 0 && l == 0) ? ' ' : (j + 48); LED_P6x8Char(x+24,y,c);
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// LED_P6x8Char(x+30,y,k+48);
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//}
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//
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//void LED_PrintValueFP(unsigned char x, unsigned char y, unsigned int data, unsigned char num)
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//{
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// unsigned char m,i,j,k;
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// LED_P6x8Char(x, y, '.');
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// m= data/1000;
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// i = (data%1000)/100;
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// j = (data%100)/10;
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// k = data%10;
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// switch(num)
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// {
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// case 1: LED_P6x8Char(x+6,y,k+48);
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// break;
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// case 2: LED_P6x8Char(x+6,y,j+48);
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// LED_P6x8Char(x+12,y,k+48);
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// break;
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// case 3: LED_P6x8Char(x+6,y,i+48);
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// LED_P6x8Char(x+12,y,j+48);
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// LED_P6x8Char(x+18,y,k+48);
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// break;
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// case 4: LED_P6x8Char(x+6,y,m+48);
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// LED_P6x8Char(x+12,y,i+48);
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// LED_P6x8Char(x+18,y,j+48);
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// LED_P6x8Char(x+24,y,k+48);
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// break;
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// }
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//}
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//
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//
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//void LED_PrintValueF(unsigned char x, unsigned char y, float data, unsigned char num)
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//{
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// unsigned char l,m,i,j,k;
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// unsigned char databiti = 6;
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// unsigned int tempdataui = 0;
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// int tempdataii = (int)data;
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// long int tempdatalp = (long int)((data - (int)data)*10000);
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//
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//
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// if(data < 0.0000001) LED_P6x8Char(x, y,'-');
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// else LED_P6x8Char(x, y,'+');
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// if(tempdataii < 0)tempdataii = - tempdataii;
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// tempdataui = tempdataii;
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// l = tempdataui/10000;
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// m= (tempdataui%10000)/1000;
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// i = (tempdataui%1000)/100;
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// j = (tempdataui%100)/10;
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// k = tempdataui%10;
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// if (l != 0)
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// {
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// LED_P6x8Char(x+6,y,l+48);
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// LED_P6x8Char(x+12,y,m+48);
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// LED_P6x8Char(x+18,y,i+48);
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// LED_P6x8Char(x+24,y,j+48);
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// LED_P6x8Char(x+30,y,k+48);
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// }
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// else if(m != 0)
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// {
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// databiti = 5;
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// LED_P6x8Char(x+6,y,m+48);
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// LED_P6x8Char(x+12,y,i+48);
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// LED_P6x8Char(x+18,y,j+48);
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// LED_P6x8Char(x+24,y,k+48);
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// }
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// else if(i != 0)
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// {
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// databiti = 4;
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// LED_P6x8Char(x+6,y,i+48);
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// LED_P6x8Char(x+12,y,j+48);
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// LED_P6x8Char(x+18,y,k+48);
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// }
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// else if(j != 0)
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// {
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// databiti = 3;
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// LED_P6x8Char(x+6,y,j+48);
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// LED_P6x8Char(x+12,y,k+48);
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// }
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// else
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// {
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// databiti = 2;
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// LED_P6x8Char(x+6,y,k+48);
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// }
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// if(tempdatalp < 0)tempdatalp = - tempdatalp;
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// switch(num)
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// {
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// case 0: break;
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// case 1: LED_PrintValueFP(x + databiti * 6, y, (unsigned int)(tempdatalp / 1000),num);break;
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// case 2: LED_PrintValueFP(x + databiti * 6, y, (unsigned int)(tempdatalp / 100),num);break;
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// case 3: LED_PrintValueFP(x + databiti * 6, y, (unsigned int)(tempdatalp / 10),num);break;
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|
// case 4: LED_PrintValueFP(x + databiti * 6, y, (unsigned int)(tempdatalp),num);break;
|
|
// }
|
|
//}
|
|
|
|
void LED_Cursor(unsigned char cursor_column, unsigned char cursor_row)
|
|
{
|
|
if(cursor_row != 0)
|
|
{
|
|
if(cursor_column == 1) LED_Set_Pos(0, cursor_row + 2);
|
|
else LED_Set_Pos(80 + (cursor_column - 2)*6, cursor_row + 2);
|
|
LED_WrDat(0xFF);
|
|
LED_WrDat(0xFF);
|
|
LED_WrDat(0xFF);
|
|
LED_WrDat(0xFF);
|
|
LED_WrDat(0xFF);
|
|
LED_WrDat(0xFF);
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
void setup()
|
|
{
|
|
LEDPIN_Init();
|
|
LED_Init();
|
|
}
|
|
void loop()
|
|
{
|
|
LED_P8x16Str(23,0,"welcome to");
|
|
LED_P8x16Str(40,2,"Smart");
|
|
LED_P8x16Str(20,4,"Prototyping");
|
|
}
|
|
#endif
|