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TM1628驱动源码 [复制链接]

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离线bfbm
 

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详细说明 ehpU`vQz  
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。 #CV;Np  
产品特性 -/g<A~+i]$  
•  采用功率CMOS 工艺 d,5,OJY2f  
•  工作电压范围:3V~5V "hbCP4  
•  多种显示模式(10 段×7 位 ~ 13 段×4 位) 'PS_|zI  
•  键扫描(10×2 bit ) 6?BV J  
•  灰度调节电路(占空比 8级可调) _{ Np _ (g  
•  串行接口(CLK,STB,DIO) 1(diG&  
•  振荡方式:内置RC 振荡(450KHz ± 5%) ?niv}/'%O  
•  内置上电复位电路 5qL;@Y  
•  封装形式:SOP28 S^q%+Z  
应用说明 j=up7395  
主要应用于VCR、VCD、DVD 及家庭影院等产品的显示屏驱动。 Clo}kdkd_  
L!c.1Rf_  
TM1628驱动源码 ~_]i'ii8  
#include <avr/io.h> -T8'|"g  
#include <util/delay.h> u[<ij  
G'<Ie@$6l  
#define TM1628_DIO_PORTNAME     B '}N4SrU$  
#define TM1628_DIO_BIT          5 !^x;4@Ejm  
#define TM1628_CLK_PORTNAME     B /* G-\|  
#define TM1628_CLK_BIT          7 PiVp(; rtQ  
#define TM1628_STB_PORTNAME     B 1G}\IK1+  
#define TM1628_STB_BIT          4 )F\^-laMuK  
KlGmO;k  
#ifndef _CONCAT_ c$n`=NI  
#define _CONCAT_ C9j3|]nyL  
#define CONCAT(a, b)            a ## b ']:>Ww.S  
#define CONCAT_DDR(portname)    CONCAT(DDR, portname) +Y_]<  
#define CONCAT_PORT(portname)   CONCAT(PORT, portname) IQ $/|b/  
#define CONCAT_PIN(portname)    CONCAT(PIN, portname) PN"=P2e/ 6  
#endif /* CONCAT */ #ULzh&yO  
-\[&<o@/D  
#define TM1628_DIO_DDR          CONCAT_DDR(TM1628_DIO_PORTNAME) g/W&Ap;qVL  
#define TM1628_DIO_PORT         CONCAT_PORT(TM1628_DIO_PORTNAME) f~R`RBZ]9  
#define TM1628_DIO_PIN          CONCAT_PIN(TM1628_DIO_PORTNAME) \!Wph5wA  
#define TM1628_DIO_0            TM1628_DIO_PORT &= ~(1 << TM1628_DIO_BIT) Ru~;awV?  
#define TM1628_DIO_1            TM1628_DIO_PORT |= (1 << TM1628_DIO_BIT) ,R7RXpP7t  
#define TM1628_DIO_VALUE        (TM1628_DIO_PIN & (1 << TM1628_DIO_BIT)) y;VmA#k`  
FwpTQix!  
#define TM1628_CLK_DDR          CONCAT_DDR(TM1628_CLK_PORTNAME) lhBu?q  
#define TM1628_CLK_PORT         CONCAT_PORT(TM1628_CLK_PORTNAME) x4CSUcKb  
#define TM1628_CLK_PIN          CONCAT_PIN(TM1628_CLK_PORTNAME) 5,#aN}v#?  
#define TM1628_CLK_0            TM1628_CLK_PORT &= ~(1 << TM1628_CLK_BIT) /ptG  
#define TM1628_CLK_1            TM1628_CLK_PORT |= (1 << TM1628_CLK_BIT) Rebo.6rG  
9`Y\`F#}q  
#define TM1628_STB_DDR          CONCAT_DDR(TM1628_STB_PORTNAME) ~93#L_V_O  
#define TM1628_STB_PORT         CONCAT_PORT(TM1628_STB_PORTNAME) Y?4N%c_;  
#define TM1628_STB_PIN          CONCAT_PIN(TM1628_STB_PORTNAME) M6lNdK  
#define TM1628_STB_0            TM1628_STB_PORT &= ~(1 << TM1628_STB_BIT) m+EtB6r  
#define TM1628_STB_1            TM1628_STB_PORT |= (1 << TM1628_STB_BIT) av>Ff6w)Y  
>l=;6QL  
#define SEG_NULL      0x00 KSR'X0'  
#define SEG_P         0x73 #^9a[ZLj0  
#define SEG_N         0x37 D"<>! ]@(a  
#define SEG_U         0x3e ;0nL1R]w(  
#define SEG_L         0x38 ]owcx=5q%'  
#define SEG_H         0x76 _m#P\f'p  
#define SEG_NEG       0x40 S.*.nv  
`##^@N<P  
#define LEFT          0 4v#A#5+O E  
#define RIGHT         1 bI:cYn1  
feT.d +Fd  
unsigned char _data[10], brightness = 0; **~1`_7~*  
long n = 0; cdv0:+[P  
L YMb)=u]  
unsigned char number[] = ?Vc/mO2X  
{ !4}Wp.  
    0x3f,0x06,0x5b,0x4f, DxzNg_E]  
    0x66,0x6d,0x7d,0x07, _ {mG\*q  
    0x7f,0x6f,0x77,0x7c, <(x!P=NM-  
    0x39,0x5e,0x79,0x71 [w}KjV/yi  
}; xX\A& 9m  
qR^i5JH}u  
void TM1628_TxByte(unsigned char _data) 9@8)ZHf  
{ :pGgxO%q  
    unsigned char i = 0; gjPbhY=C[  
f=Kt[|%'e  
    TM1628_CLK_1; Yzih-$g  
    TM1628_DIO_DDR |= (1 << TM1628_DIO_BIT); ;s w3MRJ  
    for (i = 0; i < 8; i++) gFw- P#t  
    {         ke5_lr(  
        TM1628_CLK_0; C''[[sw'K  
        if (_data & 0x01) Yp6% @c6\  
        { F5YHc$3^  
            TM1628_DIO_1; M%N_4j.  
        } D|"^ :Gi  
        else )B5(V5-!|  
        { E>NL/[1d  
            TM1628_DIO_0; OIrr'uNH  
        } xi!R[xr1  
        TM1628_CLK_1; oU)HxV  
        _data >>= 1; \:_!!   
    } TuMD+^x  
    _delay_us(2); m95;NT1N/g  
} J7$JW3O  
<dX7{="&  
unsigned char TM1628_RxByte(void) 1/ vcj~|)t  
{ XFcIBWS  
    unsigned char _data = 0, i = 0; a+p_47 xa  
?KXgG'!!  
    TM1628_CLK_1; ARa9Ia{@  
    TM1628_DIO_DDR &= ~(1 << TM1628_DIO_BIT); .> |]Lo(=l  
    TM1628_DIO_1; `I)ftj%  
    for (i = 0; i < 8; i++) uJ>_ 2  
    { mc}r15:<  
        TM1628_CLK_0; ~0ZLaiJ  
        _data >>= 1; XjV,wsZ=  
        TM1628_CLK_1; ]x`I@vSf7R  
        _delay_us(1); XCku[?Ix  
        if (TM1628_DIO_VALUE) P1}Fn:Xe%7  
        { '3V?M;3|K  
            _data |= 0x80; +}@6V4BRn  
        } 'X1fb:8m8  
    } 62z"cFN  
*<T,Fyc|  
    return _data; ]WP[hF  
} ]Qb85;0)  
yct^AN|%  
void TM1628_WriteCommand(unsigned char command) d&[.=M\E8  
{ uZ7~E._  
    TM1628_STB_0; *Zi:^<hv  
    TM1628_TxByte(command); d!]fou  
    TM1628_STB_1; LG3:V'|  
} =_Y#uE$  
p?+*R@O  
void TM1628_Display(unsigned char *p_data, unsigned char brightness) *C n `pfO  
{ En]+mIEo  
    unsigned char i = 0, j = 0, temp = 0; YQk<1./}I  
    unsigned char dis_arr[14] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; f MDM\&f  
    for (i = 0; i < 7; i++) :D!}jN/)  
    { 6Jf\}^4@k  
        temp = 0; h(VF  
        for (j = 0; j < 8; j++) <!M ab}  
        { TWFi.w4pY  
            if(p_data[j] & (1 << i)) ]$gBX=  
            { fooQqWC)  
                temp |= (1 << j); 1Ev#[FOc  
            } A(>kp=~  
        } 56R)631]p  
        dis_arr[i << 1] = temp; zHsWj^m"  
    } eTp}*'$p  
    for (i = 0; i < 7; i++) (o5+9'y"9  
    { h"~GaI  
        temp = 0; 0Zv<]xO  
        for (j = 0; j < 2; j++) R^=)Ucj  
        { [rt+KA  
            if(p_data[j + 8] & (1 << i)) *l-(tp5  
            { fm%1vM$[J  
                temp |= (1 << j); #r4S%  
            } d=B DR^/wA  
        } :6Q`! in  
        dis_arr[(i << 1) + 1] = temp; #n_uELE  
    } "/-T{p;.  
    TM1628_WriteCommand(0x03); v9[[T6t/'  
    TM1628_WriteCommand(0x40); !Y3 *\  
    TM1628_STB_0; &E>zvRBQ  
    TM1628_TxByte(0xc0); >{dj6Wo  
    _delay_us(1); 3)J0f+M>dv  
    for (i = 0; i < 14; i++) Fq<;-  
    { ) !!xvyc  
        TM1628_TxByte(dis_arr); jBvZ>H+w~  
    } +AT!IZrB2i  
    TM1628_STB_1; 8'(|1  
    if (brightness > 7) |# zznT"  
    { |$vhu`]Z@^  
        brightness = 7; n?QpVROo\  
    } 96.A8o  
    TM1628_WriteCommand(0x88 + brightness); f;(]P  
} (!nhU  
//数据,进制,起始位置,占用位数,对齐方式,亮度 +=y ktf  
void TM1628_DisplayNumber(long n, unsigned char ary, unsigned char start, unsigned char size, unsigned char left_right, unsigned char brightness) m_7)r  
{ IJ%S[>  
    unsigned char i = 0, temp[size], neg_flag = 0, length = 0; I\0mmdi73  
    if (-n > 0) 2HNH@K  
    { QcQ:hHF  
        n = -n; 7x%0 ^~/n  
        neg_flag = 1; 9 xvE?8;M#  
    } H:ar&o#(  
    for (i = 0; ((i < size) && (n > 0)); i++) (\si/&  
    { TT429  
        temp = number[n % ary]; `NC{+A  
        n /= ary; %EuXL% B  
    } .>-`2B*/  
    if (i == 0) 'y#kRC=G:  
    { r"a4 ;&mf  
        temp = number[0]; SR#%gR_SC  
        i = 1; MK]S205{  
    } RN?z)9!  
    if (neg_flag && (i < size)) 1R/=as,R  
    { 4ifWNL^)  
        temp = SEG_NEG; >s E5zj|V  
        i++; R{r0dK"_  
    } W"mkNqH  
    length = i; edPnC {?s  
    if (left_right == LEFT) #; I8 aMb  
    { 8VLr*83~8  
        for (i = 0; i < length; i++) n_@YKz;8  
        { LB1.N!q1  
            _data[start + i] = temp[length - i - 1]; V(3udB@K  
        } FU0&EO  
        for (i = length; i < size; i++) ~9qDmt,i  
        { DTdL|x.{  
            _data[start + i] = SEG_NULL; K \}xb2s  
        } )gNHD?4x  
    } x3L3K/qMg  
    else if (left_right == RIGHT) r4O*0Q_  
    { l_LfVON  
        for (i = 0; i < size - length; i++) j0sR]i  
        { }k}5\%#li5  
            _data[start + i] = SEG_NULL; t=~5 I >  
        } 0Bn$C, -  
        for (i = size - length; i < size; i++) EOV<|WF>  
        { |B4dFI?  
            _data[start + i] = temp[size - i - 1];  @4_CR  
        } LX j Tqp'  
    } G%anot  
    TM1628_Display(_data, brightness); knypSgk_  
} (@`+Le  
nF}]W14x  
unsigned char TM1628_ReadKey(void) "P< drz<  
{ J?5O 2n  
    unsigned char i = 0, temp = 0; 9 4W9P't  
     ?S!lX[#v  
    TM1628_STB_0; *D]/V U  
    TM1628_TxByte(0x42); k+-u 4W   
    _delay_us(100); vVKiE 6^  
    for (i = 0; i < 5; i++) dvsOJj/b  
    { +(r8SnRX  
        _delay_us(2); T:wd3^.CG  
        temp = TM1628_RxByte(); @8 @cpm  
        if (temp) sJ?Fque  
        { &e[/F@\%  
            break; z -(dT  
        } V )1SZt@x  
    } fYx$3a.  
    TM1628_STB_1; rMpb  
    if (temp & 0x03) 34]f[jJ|  
    { ux VXnQQ  
        temp = (2 * i + 1) + ((temp & 0x03) - 1) * 10; ?mRU9VY  
    } ^']xkS  
    else if (temp & 0x18) :!3CoC.X|c  
    { nb'],({:9  
        temp = (2 * (i + 1)) + (((temp & 0x18) >> 3) - 1) * 10; )1J&tV*U  
    } kY xn5+~  
    return temp; CbS9fc&  
} 5Z6$90!k  
}RDhI1x[mk  
void key_process(unsigned char key) :(A]Bm3  
{ 4<Bj;1*4  
    if (key != 0) 5@Ot@o  
    { tB}&-U|t[~  
        TM1628_DisplayNumber(key, 10, 2, 2, LEFT, brightness); hV'JTU]H  
    } wC<!,tB(8  
    if (key == 1 && brightness < 7) l4hC>q$T  
    { Thw E1M  
        brightness++; E n{vCN  
        TM1628_DisplayNumber(brightness, 10, 0, 1, LEFT, brightness); G+^HZ4jg  
    } 3HFsR)  
    else if (key == 11 && brightness > 0) N$>g)Ml?  
    { |53Zg"!  
        brightness--; RjSVa.x  
        TM1628_DisplayNumber(brightness, 10, 0, 1, LEFT, brightness); cl1h;w9s  
    } XL g6?Nu  
    else if (key == 10) 1/6G&RB  
    { M<~z=B#  
        n++; h+CTi6-p  
        TM1628_DisplayNumber(n, 10, 5, 5, RIGHT, brightness); &'c1"%*%8>  
    } %@kmuz??  
    else if (key ==20) 5RI"g f  
    { (6>8Dt 9[  
        n--; vUvIZa  
        TM1628_DisplayNumber(n, 10, 5, 5, RIGHT, brightness); vM1f-I-  
    } [[Qu|?KEa  
} D$I7 Gz,w{  
a%7%N N*i  
int main(void) l`~*" 4|/  
{ M7fw/i  
    unsigned char i = 0, key = 0, now = 0, repeat_flag = 0; 68+ 9^  
    unsigned int repeat_count = 0; !d&K,k  
o.k eM4OQ  
    _delay_ms(100); u! x9O8y  
    TM1628_STB_1; : JD% =w_  
    TM1628_STB_DDR |= (1 << TM1628_STB_BIT); 4nXS}bWf  
    TM1628_CLK_1; U<KvKg  
    TM1628_CLK_DDR |= (1 << TM1628_CLK_BIT); @i$9c)D  
Vqb4 MWW  
    for (i = 0; i < 10; i++) /al(=zf  
    { 7^ITedW@  
        _data = SEG_H; w(eAmN:zR  
    } o;D87E6Z  
    for (i = 0; i < 7; i++) F(Pe@ #)A  
    { [ C,<Q  
        TM1628_Display(_data, i + 1); 3uZY.H+H  
        _delay_ms(100); fOdkzD,  
    } bT|a]b:  
    for (i = 0; i < 7; i++) (es+VI2!&C  
    { ?76Wg::  
        TM1628_Display(_data, 7 - i); }f+If{  
        _delay_ms(100); ]Vln5U   
    } G{pfyfF  
|ITp$  _S  
    for (i = 0; i < 10; i++) \|F4@  
    { dpDVEEs84  
        _data = SEG_NULL; \j+O |#`|)  
    } \ ExM.T  
_[<R<&jG  
    TM1628_DisplayNumber(brightness, 10, 0, 1, LEFT, brightness); t>)iC)^u  
    TM1628_DisplayNumber(n, 10, 5, 5, RIGHT, brightness); Vl%AN;o  
osoreo;V^  
    while (1) o8-BTq8  
    { r/$+'~apTk  
        key = TM1628_ReadKey(); nL%;^`*8  
        if (key != now) D^baXp8  
        { j6%X  
            now = key; yM}}mypS  
            repeat_flag = 0; A[ 9 @:z  
            repeat_count = 0; *p`0dvXG2  
            key_process(key); 5|my}.TR  
        } Kfa7}f_  
        else g{.>nE^Sc5  
        { I= G%r/3  
            if (repeat_flag) Sf);j0G,D  
            { 11glFe  
                key_process(key); L(\sO=t  
                _delay_ms(50); 0#pjfc `:  
            } *Z>Yv37P  
            else *;"N kCf  
            { x|d Xa0=N_  
                repeat_count++; G~1#kg  
                if (repeat_count > 5000) +0rMv  
                { VUC  
                    repeat_flag = 1; XKp.]c wP  
                    repeat_count = 0; gh=s#DQsFw  
                } >ygyPl ;1s  
            } 4:q<<vCJv  
        } d)1)/Emyj  
    } o,[~7N  
}


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离线luchonghui74

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谢谢分享!


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