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); }:6$5/?
    } IEbk_-h[
    TM1628_STB_1; Pra,r9h,
    if (brightness > 7) J.%%]-f=&
    { V4~`yT?*"
        brightness = 7; =t,}I\_^c
    } Cp[{|U-?G
    TM1628_WriteCommand(0x88 + brightness); %3ieR}:/e&
} s2`:NS
//数据,进制,起始位置,占用位数,对齐方式,亮度 2h:*lV^
void TM1628_DisplayNumber(long n, unsigned char ary, unsigned char start, unsigned char size, unsigned char left_right, unsigned char brightness) tCoT-\Q
{ #* KmPc+
    unsigned char i = 0, temp[size], neg_flag = 0, length = 0; )21yD1"6
    if (-n > 0) ()Cw;N{E
    { o \r6iO
        n = -n; m :M=De
        neg_flag = 1; YwYCXFQ|
    } 3b9SyU2
    for (i = 0; ((i < size) && (n > 0)); i++) VMa\?`fT
    { d :(&q
        temp = number[n % ary]; G]DSwtB?D
        n /= ary; 86_`Z$ s
    } Zndv!z
    if (i == 0) gGdt&9z %
    { -Y?C1DbKz
        temp = number[0]; fWutB5?P
        i = 1; 5(+9( \x
    } zG"*B_l}+
    if (neg_flag && (i < size)) [pAW':
    { KUR9vo
        temp = SEG_NEG; J~"h&>T
        i++; T/9`VB%N
    } XkGS3EY
    length = i; @)iAV1r"
    if (left_right == LEFT) /E%r@Rui3$
    { mrc% 6Ri
        for (i = 0; i < length; i++) ~a5-xWEZ
        { #RN"Ul-B|
            _data[start + i] = temp[length - i - 1]; xoT|fgb
        } szZ8-Y
        for (i = length; i < size; i++) y,YK Mc
        { bOvMXj/HV=
            _data[start + i] = SEG_NULL; 3$~6+i
        } *{#l0My
    } QOfqW@g
    else if (left_right == RIGHT) \os iY^
    { Y<h [5
        for (i = 0; i < size - length; i++) BZdryk:S
        { < .\2Ec
            _data[start + i] = SEG_NULL; S|_}0
        } 4Iq-4IG(
        for (i = size - length; i < size; i++) SniKCqmC]
        { L2NO_N
            _data[start + i] = temp[size - i - 1]; ea\b7a*
        } fc,^H&
    } ]TTQ;F
    TM1628_Display(_data, brightness); P.j0Xlof
} Q*GJREC
s{30#^1R
unsigned char TM1628_ReadKey(void) #JLxM/5^1~
{ 4ne95_i
    unsigned char i = 0, temp = 0; bAd$ >DI[
     VQMPs{tm
    TM1628_STB_0; @y+Hb@ >.
    TM1628_TxByte(0x42); `H#G/zOr
    _delay_us(100); 4!3mSWNV
    for (i = 0; i < 5; i++) /-mo8]J#2~
    { 3P&K<M#\
        _delay_us(2); ;DG&HO
        temp = TM1628_RxByte(); =Y-ZI
        if (temp) 5PCMxjon
        { ?F!='6D}b
            break; L{i,.aE/nO
        } +OTNn@!9
    } mv0JD(
    TM1628_STB_1; sC^9
    if (temp & 0x03) w4"4(SR.
    { j)vfI>
        temp = (2 * i + 1) + ((temp & 0x03) - 1) * 10; SFaG`T=
    } > ]()#z
    else if (temp & 0x18) 0IP5&[-P
    { dh; L!
        temp = (2 * (i + 1)) + (((temp & 0x18) >> 3) - 1) * 10; Js'#=
    } tsqkV7?
    return temp; 6cm&=n_u
} Px$4.b[{_Y
=Ll:Ba Q
void key_process(unsigned char key) /^XGIQ/W
{ mh8{`W&
    if (key != 0) );~JyoDo
    { QsN%a>t
        TM1628_DisplayNumber(key, 10, 2, 2, LEFT, brightness); j1sZRl)D
    } B7R*g,(
    if (key == 1 && brightness < 7) }qk8^W{
    { 2X@|H
        brightness++; e2@{Ab
        TM1628_DisplayNumber(brightness, 10, 0, 1, LEFT, brightness); }r)T75_1
    } 4,yS7l
    else if (key == 11 && brightness > 0) G[[hC[}I
    { k|-P&g
        brightness--; ^kElb;d
        TM1628_DisplayNumber(brightness, 10, 0, 1, LEFT, brightness); }0%~x,
    } At?]FjL6S
    else if (key == 10) ;rK= jz^Q
    { s>VpbJ3S
        n++; n!Dy-)!`O
        TM1628_DisplayNumber(n, 10, 5, 5, RIGHT, brightness); /@!%/Kl
    } /Mg$t6vM
    else if (key ==20) Km=dId7]
    { qVpV ZH!
        n--; B_u1FWc
        TM1628_DisplayNumber(n, 10, 5, 5, RIGHT, brightness); t[yu3U
    } 8pEiU/V
} Pm Zb!|
X5V8w4NN
int main(void) O8\dMb
{ 2A5R3x=\
    unsigned char i = 0, key = 0, now = 0, repeat_flag = 0; )nI}KQJ<
    unsigned int repeat_count = 0; ROv(O;.Ty
1%R8q=_
    _delay_ms(100); Vo@gxC,
    TM1628_STB_1; 3b#eB
    TM1628_STB_DDR |= (1 << TM1628_STB_BIT); -F+ )N$CW
    TM1628_CLK_1; 2D"n#O`y
    TM1628_CLK_DDR |= (1 << TM1628_CLK_BIT); L T.u<ThR}
tcm?qro)
    for (i = 0; i < 10; i++) "G&S`8
    { ?c$z?QTMJ
        _data = SEG_H; zHEH?xZ6sD
    } C}= *%S
    for (i = 0; i < 7; i++) d5hYOhO[
    { \m\E*c ):
        TM1628_Display(_data, i + 1); ? _>L<Y
        _delay_ms(100); FM80F_G^z
    } 2EU((Q`>=(
    for (i = 0; i < 7; i++) D;@nrj`.
    { 42Qfv%*c
        TM1628_Display(_data, 7 - i); 9Ez>srH(
        _delay_ms(100); rQuozbBb
    } f<$>?o&y
mHiV};$
    for (i = 0; i < 10; i++) ;E!(W=]*F
    { !P_8D*^9
        _data = SEG_NULL; L355uaj
    } T@S\:P
\E!a=cL!
    TM1628_DisplayNumber(brightness, 10, 0, 1, LEFT, brightness); 'UW(0 PXw
    TM1628_DisplayNumber(n, 10, 5, 5, RIGHT, brightness); EINjI:/D
08+cNT
    while (1) ]+!{^h$
    { h W<fu
        key = TM1628_ReadKey(); x3`b5^
        if (key != now) '1jG?D
        { ;VLv2J*
            now = key; FK^JCs^
            repeat_flag = 0; aLWNqe&1
            repeat_count = 0; %ja8DRQ.
            key_process(key); 74h[YyVi
        } us_o{
        else T[z}^"
        { LhfI"fc
            if (repeat_flag) XVlZ:kz
            { JFJ_ PphvD
                key_process(key); MKnG:)T<?l
                _delay_ms(50); 0Bo7EV
            } D.i(Irqw!
            else em@bxyMm
            { w[WyT`6h!
                repeat_count++; x=/`W^t2
                if (repeat_count > 5000) ^"U-\cx
                { Ny\c>$z
                    repeat_flag = 1; 1feZ`P;
                    repeat_count = 0; Y/3CB
                } d-W@/J
            } >I~$h,
        } iq25|{1$
    } FR7DuH/f)
}