Library for handling TM163 LED display driver.
- Support for both Common Anode and Common Cathode Seven-segment displays
- Support for dimming display
- Support for scan Keypad
It is easy to port this library to any platform. But now it is ready for use in:
- AVR (ATmega32)
- STM32 (HAL)
- ESP32 (esp-idf)
- Add
TM1638.h
andTM1638.c
files to your project. It is optional to useTM1638_platform.h
andTM1638_platform.c
files (open and configTM1638_platform.h
file). - Initialize platform-dependent part of handler.
- Call
TM1638_Init()
. - Call
TM1638_ConfigDisplay()
to config display. - Call other functions and enjoy.
Using TM1638_platform files
#include <stdio.h>
#include "TM1638.h"
#include "TM1638_platform.h"
int main(void)
{
TM1638_Handler_t Handler;
TM1638_Platform_Init(&Handler);
TM1638_Init(&Handler, TM1638DisplayTypeComCathode);
TM1638_ConfigDisplay(&Handler, 7, TM1638DisplayStateON);
while (1)
{
// Display the number 8 and Decimal Point in the SEG1
TM1638_SetSingleDigit_HEX(&Handler, 8 | TM1638DecimalPoint, 0);
}
TM1638_DeInit(&Handler);
return 0;
}
Without using TM1638_platform files (AVR)
#include <stdio.h>
#include <avr/io.h>
#define F_CPU 8000000
#include <util/delay.h>
#include "TM1638.h"
#define TM1638_DIO_DDR DDRA
#define TM1638_DIO_PORT PORTA
#define TM1638_DIO_PIN PINA
#define TM1638_DIO_NUM 0
#define TM1638_CLK_DDR DDRA
#define TM1638_CLK_PORT PORTA
#define TM1638_CLK_NUM 1
#define TM1638_STB_DDR DDRA
#define TM1638_STB_PORT PORTA
#define TM1638_STB_NUM 2
static void
TM1638_PlatformInit(void)
{
TM1638_CLK_DDR |= (1<<TM1638_CLK_NUM);
TM1638_DIO_DDR |= (1<<TM1638_DIO_NUM);
TM1638_STB_DDR |= (1<<TM1638_STB_NUM);
}
static void
TM1638_PlatformDeInit(void)
{
TM1638_CLK_DDR &= ~(1<<TM1638_CLK_NUM);
TM1638_CLK_PORT &= ~(1<<TM1638_CLK_NUM);
TM1638_DIO_DDR &= ~(1<<TM1638_DIO_NUM);
TM1638_DIO_PORT &= ~(1<<TM1638_DIO_NUM);
TM1638_STB_DDR &= ~(1<<TM1638_STB_NUM);
TM1638_STB_PORT &= ~(1<<TM1638_STB_NUM);
}
static void
TM1638_DioConfigOut(void)
{
TM1638_DIO_DDR |= (1<<TM1638_DIO_NUM);
}
static void
TM1638_DioConfigIn(void)
{
TM1638_DIO_DDR &= ~(1<<TM1638_DIO_NUM);
}
static void
TM1638_DioWrite(uint8_t Level)
{
if (Level)
TM1638_DIO_PORT |= (1<<TM1638_DIO_NUM);
else
TM1638_DIO_PORT &= ~(1<<TM1638_DIO_NUM);
}
static uint8_t
TM1638_DioRead(void)
{
uint8_t Result = 1;
Result = (TM1638_DIO_PIN & (1 << TM1638_DIO_NUM)) ? 1 : 0;
return Result;
}
static void
TM1638_ClkWrite(uint8_t Level)
{
if (Level)
TM1638_CLK_PORT |= (1<<TM1638_CLK_NUM);
else
TM1638_CLK_PORT &= ~(1<<TM1638_CLK_NUM);
}
static void
TM1638_StbWrite(uint8_t Level)
{
if (Level)
TM1638_STB_PORT |= (1<<TM1638_STB_NUM);
else
TM1638_STB_PORT &= ~(1<<TM1638_STB_NUM);
}
static void
TM1638_DelayUs(uint8_t Delay)
{
for (; Delay; --Delay)
_delay_us(1);
}
int main(void)
{
TM1638_Handler_t Handler;
Handler.PlatformInit = TM1638_PlatformInit;
Handler.PlatformDeInit = TM1638_PlatformDeInit;
Handler.DioConfigOut = TM1638_DioConfigOut;
Handler.DioConfigIn = TM1638_DioConfigIn;
Handler.DioWrite = TM1638_DioWrite;
Handler.DioRead = TM1638_DioRead;
Handler.ClkWrite = TM1638_ClkWrite;
Handler.StbWrite = TM1638_StbWrite;
Handler.DelayUs = TM1638_DelayUs;
TM1638_Init(&Handler, TM1638DisplayTypeComCathode);
TM1638_ConfigDisplay(&Handler, 7, TM1638DisplayStateON);
while (1)
{
// Display the number 8 and Decimal Point in the SEG1
TM1638_SetSingleDigit_HEX(&Handler, 8 | TM1638DecimalPoint, 0);
}
TM1638_DeInit(&Handler);
return 0;
}