TM1628驱动源码 [复制链接]

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离线bfbm

二级逆天

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详细说明
TM1628 是一种带键盘扫描接口的LED（发光二极管显示器）驱动控制专用电路，内部集成有MCU 数字接口、数据锁存器、LED 高压驱动、键盘扫描等电路。本产品性能优良，质量可靠。采用SOP28的封装形式。
产品特性
•  采用功率CMOS 工艺
•  工作电压范围：3V～5V
•  多种显示模式（10 段×7 位～ 13 段×4 位）
•  键扫描（10×2 bit )
•  灰度调节电路（占空比 8级可调）
•  串行接口（CLK，STB，DIO）
•  振荡方式：内置RC 振荡（450KHz ± 5%）
•  内置上电复位电路
•  封装形式：SOP28
应用说明
主要应用于VCR、VCD、DVD 及家庭影院等产品的显示屏驱动。

TM1628驱动源码：
#include <avr/io.h>
#include <util/delay.h>

#define TM1628_DIO_PORTNAME     B
#define TM1628_DIO_BIT          5
#define TM1628_CLK_PORTNAME     B
#define TM1628_CLK_BIT          7
#define TM1628_STB_PORTNAME     B
#define TM1628_STB_BIT          4

#ifndef _CONCAT_
#define _CONCAT_
#define CONCAT(a, b)            a ## b
#define CONCAT_DDR(portname)    CONCAT(DDR, portname)
#define CONCAT_PORT(portname)   CONCAT(PORT, portname)
#define CONCAT_PIN(portname)    CONCAT(PIN, portname)
#endif /* CONCAT */

#define TM1628_DIO_DDR          CONCAT_DDR(TM1628_DIO_PORTNAME)
#define TM1628_DIO_PORT         CONCAT_PORT(TM1628_DIO_PORTNAME)
#define TM1628_DIO_PIN          CONCAT_PIN(TM1628_DIO_PORTNAME)
#define TM1628_DIO_0            TM1628_DIO_PORT &= ~(1 << TM1628_DIO_BIT)
#define TM1628_DIO_1            TM1628_DIO_PORT |= (1 << TM1628_DIO_BIT)
#define TM1628_DIO_VALUE        (TM1628_DIO_PIN & (1 << TM1628_DIO_BIT))

#define TM1628_CLK_DDR          CONCAT_DDR(TM1628_CLK_PORTNAME)
#define TM1628_CLK_PORT         CONCAT_PORT(TM1628_CLK_PORTNAME)
#define TM1628_CLK_PIN          CONCAT_PIN(TM1628_CLK_PORTNAME)
#define TM1628_CLK_0            TM1628_CLK_PORT &= ~(1 << TM1628_CLK_BIT)
#define TM1628_CLK_1            TM1628_CLK_PORT |= (1 << TM1628_CLK_BIT)

#define TM1628_STB_DDR          CONCAT_DDR(TM1628_STB_PORTNAME)
#define TM1628_STB_PORT         CONCAT_PORT(TM1628_STB_PORTNAME)
#define TM1628_STB_PIN          CONCAT_PIN(TM1628_STB_PORTNAME)
#define TM1628_STB_0            TM1628_STB_PORT &= ~(1 << TM1628_STB_BIT)
#define TM1628_STB_1            TM1628_STB_PORT |= (1 << TM1628_STB_BIT)

#define SEG_NULL      0x00
#define SEG_P         0x73
#define SEG_N         0x37
#define SEG_U         0x3e
#define SEG_L         0x38
#define SEG_H         0x76
#define SEG_NEG       0x40

#define LEFT          0
#define RIGHT         1

unsigned char _data[10], brightness = 0;
long n = 0;

unsigned char number[] =
{
    0x3f,0x06,0x5b,0x4f,
    0x66,0x6d,0x7d,0x07,
    0x7f,0x6f,0x77,0x7c,
    0x39,0x5e,0x79,0x71
};

void TM1628_TxByte(unsigned char _data)
{
    unsigned char i = 0;

    TM1628_CLK_1;
    TM1628_DIO_DDR |= (1 << TM1628_DIO_BIT);
    for (i = 0; i < 8; i++)
    {
        TM1628_CLK_0;
        if (_data & 0x01)
        {
            TM1628_DIO_1;
        }
        else
        {
            TM1628_DIO_0;
        }
        TM1628_CLK_1;
        _data >>= 1;
    }
    _delay_us(2);
}

unsigned char TM1628_RxByte(void)
{
    unsigned char _data = 0, i = 0;

    TM1628_CLK_1;
    TM1628_DIO_DDR &= ~(1 << TM1628_DIO_BIT);
    TM1628_DIO_1;
    for (i = 0; i < 8; i++)
    {
        TM1628_CLK_0;
        _data >>= 1;
        TM1628_CLK_1;
        _delay_us(1);
        if (TM1628_DIO_VALUE)
        {
            _data |= 0x80;
        }
    }

    return _data;
}

void TM1628_WriteCommand(unsigned char command)
{
    TM1628_STB_0;
    TM1628_TxByte(command);
    TM1628_STB_1;
}

void TM1628_Display(unsigned char *p_data, unsigned char brightness)
{
    unsigned char i = 0, j = 0, temp = 0;
    unsigned char dis_arr[14] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
    for (i = 0; i < 7; i++)
    {
        temp = 0;
        for (j = 0; j < 8; j++)
        {
            if(p_data[j] & (1 << i))
            {
                temp |= (1 << j);
            }
        }
        dis_arr[i << 1] = temp;
    }
    for (i = 0; i < 7; i++)
    {
        temp = 0;
        for (j = 0; j < 2; j++)
        {
            if(p_data[j + 8] & (1 << i))
            {
                temp |= (1 << j);
            }
        }
        dis_arr[(i << 1) + 1] = temp;
    }
    TM1628_WriteCommand(0x03);
    TM1628_WriteCommand(0x40);
    TM1628_STB_0;
    TM1628_TxByte(0xc0);
    _delay_us(1);
    for (i = 0; i < 14; i++)
    {
        TM1628_TxByte(dis_arr); ]<\YEz&A
    } %o%V4K*
    TM1628_STB_1; ErK1j
    if (brightness > 7) :,JaOn'
    { bKCE;Wu:G
        brightness = 7; CZ3oX#b
    } T\}U{9ELL
    TM1628_WriteCommand(0x88 + brightness); T[|#DMg$F
} H u;"TG
//数据,进制,起始位置,占用位数,对齐方式,亮度 WDIin6u-
void TM1628_DisplayNumber(long n, unsigned char ary, unsigned char start, unsigned char size, unsigned char left_right, unsigned char brightness) B-C$>H^
{ 05FGfnq.8
    unsigned char i = 0, temp[size], neg_flag = 0, length = 0; kPs?
    if (-n > 0) )C8^'*!
    { e`qrafa
        n = -n; W|>jj$/o
        neg_flag = 1; XY'8oU`]{
    } x'`{#bKD
    for (i = 0; ((i < size) && (n > 0)); i++) Z2$_9.
    { <x^$Fu
        temp = number[n % ary]; 'OtTq8G
        n /= ary; U~:H>
    } G)?*BH
    if (i == 0) F5Xb_&
    { 0#J~@1Gf
        temp = number[0]; cRnDAn#42
        i = 1; A{zqr^/h
    } rc8HZ
    if (neg_flag && (i < size)) t`K9K"|k
    { CXrOb+
        temp = SEG_NEG; M#'7hm6
        i++; _'!?fA
    } QAV6{QShj
    length = i; #Zm`*s`
    if (left_right == LEFT) VAL? Z
    { S!8<|WO^t
        for (i = 0; i < length; i++) @n)?=[p
        { l[T-Ak
            _data[start + i] = temp[length - i - 1]; ;-u]@35
        } @GKDSS4jv
        for (i = length; i < size; i++) pWRdI_
        { }+KM"+@$<
            _data[start + i] = SEG_NULL; ElW\;C:K*
        } W/2y;@
    } BjH|E@z
    else if (left_right == RIGHT) 1yE',9?
    { FAnz0p+t
        for (i = 0; i < size - length; i++) Z3TCi7,m
        { zq</(5H
            _data[start + i] = SEG_NULL; &s`)_P[
        } FvT4?7-
        for (i = size - length; i < size; i++) %0-oZL
        { $Lstq_x+
            _data[start + i] = temp[size - i - 1]; kc2B_+Y1
        } |Gz<I
    } F`:Q
    TM1628_Display(_data, brightness); QfEJU8/5d
} ,h^6y
@:zC!dR)G
unsigned char TM1628_ReadKey(void) h~#F2#.
{ bW W!,-|R
    unsigned char i = 0, temp = 0; wnX;eU/n
     i 7]o[
    TM1628_STB_0; _|C3\x1c
    TM1628_TxByte(0x42); 55O}SUs!P
    _delay_us(100); mHMsK}=~
    for (i = 0; i < 5; i++) uY~mi9E
    { K7&]|^M9
        _delay_us(2); t[!,puZc#
        temp = TM1628_RxByte(); B@-\.m
        if (temp) zRjbEL
        { t_Eivm-,B
            break; a^&"gGg
        } Jzf+"%lv
    } DL,R~
    TM1628_STB_1; z!6_u@^-
    if (temp & 0x03) I '0[
    { X{#^O/
        temp = (2 * i + 1) + ((temp & 0x03) - 1) * 10; \/1~5mQ+
    } oX)a6FXK>
    else if (temp & 0x18) .'M.yE~5J
    { 2Di~}*9&
        temp = (2 * (i + 1)) + (((temp & 0x18) >> 3) - 1) * 10; AIOGa<^
    } |iJz[%
    return temp; RgoF4g+@
} i}LQ}35@
M{p6&eg
void key_process(unsigned char key) M %zf?>])
{ ',hoe
    if (key != 0) -!+i ^r
    { <IR@/b!,
        TM1628_DisplayNumber(key, 10, 2, 2, LEFT, brightness); LeN }Q
    } 8i"CU:(
    if (key == 1 && brightness < 7) X#axCDM-
    { ,'c%S|]U7
        brightness++; Z%o.kd"
        TM1628_DisplayNumber(brightness, 10, 0, 1, LEFT, brightness); Y_*KAr'{P
    } S3x^#83
    else if (key == 11 && brightness > 0) z]g#2xD2
    { Q']'KU.
        brightness--; /w dvm4
        TM1628_DisplayNumber(brightness, 10, 0, 1, LEFT, brightness); ;,Vdj[W$>
    } 0 F8xS8vK+
    else if (key == 10) <*iFVjSI(
    { KUX6n(u
        n++; j*8Ze!^
        TM1628_DisplayNumber(n, 10, 5, 5, RIGHT, brightness); J-=fy^S5
    } EO'+r[Y
    else if (key ==20) ?}^ y6
    { >*/ |tL
        n--; xz@*V>QT
        TM1628_DisplayNumber(n, 10, 5, 5, RIGHT, brightness); miBCq l@x
    } `&a8Wv
} M97+YMY)
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int main(void) dh}"uM}a
{ :zC=JvKT
    unsigned char i = 0, key = 0, now = 0, repeat_flag = 0; hQ%X0X,
    unsigned int repeat_count = 0; g0~m[[
fm^tU0DY
    _delay_ms(100); S%]4['Y
    TM1628_STB_1; hBZh0xy
    TM1628_STB_DDR |= (1 << TM1628_STB_BIT); 9[{q5
    TM1628_CLK_1; 4cm~oZ
    TM1628_CLK_DDR |= (1 << TM1628_CLK_BIT); .}R'(gN\6
S% ptG$Z
    for (i = 0; i < 10; i++) [PrJf"Z "
    { kVWrZ>McK
        _data = SEG_H; 31g1zdT!
    } VKXB)-'L
    for (i = 0; i < 7; i++) k?pNmKVJM
    { V[44aN
        TM1628_Display(_data, i + 1); z,qNuv"W
        _delay_ms(100); DS|x*w'I
    } pdQaVe7tRo
    for (i = 0; i < 7; i++) 2Sy:wt
    { AnsJ3C
        TM1628_Display(_data, 7 - i); y}QqS/
        _delay_ms(100); 50S*_4R
    } ,=ju^_^sA
6jal5<H
    for (i = 0; i < 10; i++) q<g!bW%
    { a<pEVV\NB~
        _data = SEG_NULL; _=5\$6
    } Y% [H:
,;= S\
    TM1628_DisplayNumber(brightness, 10, 0, 1, LEFT, brightness); @bFl8-
    TM1628_DisplayNumber(n, 10, 5, 5, RIGHT, brightness); \bSakh71
R'1"`@fG
    while (1) +I~U8v-
    { =:RNpi,
        key = TM1628_ReadKey(); dI,H:g
        if (key != now) G)5Uiu:^X
        { k"`^vV[{F
            now = key; K!88 Nox(
            repeat_flag = 0; Im`R2_(]
            repeat_count = 0; 1N8YD .3
            key_process(key); ,+g0#8?p^x
        } L-3wez;hm
        else vinn|_s%
        { 0c#|LF_
            if (repeat_flag) du=[r
            { jAFJ?L(
                key_process(key); `\-mqe
                _delay_ms(50); &4F iYZ
            } CYk"
            else }Tk*?tYt
            { YP}r15P
                repeat_count++; |VX0o2
                if (repeat_count > 5000) hniTMO
                { dC}4Er
                    repeat_flag = 1; LTio^uH
                    repeat_count = 0; 8x6{[Tx
                } x8h=3e$
            } $5yH8JU
        } cp 7;~i3
    } MW.,}f
}