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Dependents: eightDotMatrixLedLibraryExample test10_rev2
EightDotMatrixLed.cpp
- Committer:
- suupen
- Date:
- 2011-12-03
- Revision:
- 0:3df409a1aa42
File content as of revision 0:3df409a1aa42:
/**********************************************************
* EightDotMatrixLed.cpp
* dynamic control of eight dot matrix led
*
**********************************************************/
#define _EIGHTDOTMATRIXLED_C
#include "types.h"
#include "mbed.h"
#include "EightDotMatrixLed.h"
/** Create a eight dot matrix led object connected to the specified DigtalOutput pin
*/
EightDotMatrixLed::EightDotMatrixLed(uint8_t commonPole,
PinName seg_a, PinName seg_b, PinName seg_c, PinName seg_d, PinName seg_e, PinName seg_f, PinName seg_g, PinName seg_h,
PinName com_1, PinName com_2, PinName com_3, PinName com_4, PinName com_5, PinName com_6, PinName com_7, PinName com_8):
_seg_a(seg_a), _seg_b(seg_b), _seg_c(seg_c), _seg_d(seg_d), _seg_e(seg_e), _seg_f(seg_f), _seg_g(seg_g), _seg_h(seg_h),
_com_1(com_1), _com_2(com_2), _com_3(com_3), _com_4(com_4), _com_5(com_5), _com_6(com_6), _com_7(com_7), _com_8(com_8){
timer.attach_us(this, &EightDotMatrixLed::segmentGrayDataKosin, 10000); // led smooth control 10ms timer inttruupt
// data table set of Brightness
// DT_pwmGray[] = i ^ 2
for(uint32_t i = 0; i < Z_grayMax + 1; i++){
DT_pwmGray[i] = (uint8_t)(((i * i) * Z_pwmGrayMax ) / (Z_grayMax * Z_grayMax));
}
// check connect com_x
D_comNull = Z_comSuu;
if(com_8 == NC){D_comNull--;}
if(com_7 == NC){D_comNull--;}
if(com_6 == NC){D_comNull--;}
if(com_5 == NC){D_comNull--;}
if(com_4 == NC){D_comNull--;}
if(com_3 == NC){D_comNull--;}
if(com_2 == NC){D_comNull--;}
if(com_1 == NC){D_comNull--;}
// common and segment pin display data set
if(commonPole == 0){
// Anode common
D_commonOn = 1;
D_commonOff = 0;
D_segmentOn = 0;
D_segmentOff = 1;
}
else{
// Cathod common
D_commonOn = 0;
D_commonOff = 1;
D_segmentOn = 1;
D_segmentOff = 0;
}
}
/**************************************
* 7segment no gray data kosin
* 100ms goto no syori
**************************************/
void EightDotMatrixLed::segmentGrayDataKosin(void){
uint8_t com;
uint8_t seg;
for(com = 0; com < Z_comSuu; com++){
for(seg = 0; seg < Z_segSuu; seg++){
uint8_t D_dotGrayData = *(A_dotGrayData + (com * Z_segSuu) + seg);
uint8_t D_dotDigitalData = *(A_dotDigitalData + (com * Z_segSuu) + seg);
if((D_dotGrayData <= 100) && (D_dotDigitalData <= 1)){
// gray and digital data enable
if(D_dotDigitalData == 1){
if(D_dotPwmData[com][seg] < D_dotGrayData){
D_dotPwmData[com][seg]++;
}
}
else if(D_dotPwmData[com][seg] > 0){
D_dotPwmData[com][seg]--;
}
}
else if((D_dotGrayData > 100) && (D_dotDigitalData <= 1)){
// gray data disable and digital data enable
if(D_dotDigitalData == 1){
// digital data on
if(D_dotPwmData[com][seg] < Z_grayMax){
D_dotPwmData[com][seg]++;
}
}
else{
// digital data off
if(D_dotPwmData[com][seg] > 0){
D_dotPwmData[com][seg]--;
}
}
}
else if((D_dotGrayData <= 100) && (D_dotDigitalData > 1)){
// gray data enable and digital data disable
D_dotPwmData[com][seg] = D_dotGrayData;
}
else{
// gray data and digital data disable
D_dotPwmData[com][seg] = 0;
}
}
}
}
/**************************************
* main
**************************************/
void EightDotMatrixLed::EightDotMatrixLed_main(uint8_t* grayData, uint8_t* digitalData) {
A_dotGrayData = grayData;
A_dotDigitalData = digitalData;
/*
for(uint8_t com = 0; com < 8; com++){
for(uint8_t seg = 0; seg < 8; seg++){
D_dotGrayData[com][seg] = *(grayData + (com * Z_segSuu) + seg);
D_dotDigitalData[com][seg] = *(digitalData + (com * Z_segSuu) +seg);
}
}
*/
// dynamic shuturyoku shori
output();
}
/**************************************
* comAllClear
*
* common pin o subete OFF suru
**************************************/
void EightDotMatrixLed::comAllClear(void){
switch (D_comNull){
case 8: // com_1 - com_8is all connect
_com_8 = D_commonOff;
//break;
case 7: // com_8 Null
_com_7 = D_commonOff;
//break;
case 6: // com_7 Null
_com_6 = D_commonOff;
//break;
case 5: // com_6 Null
_com_5 = D_commonOff;
//break;
case 4: // com_5 Null
_com_4 = D_commonOff;
//break;
case 3: // com_4 Null
_com_3 = D_commonOff;
// break;
case 2: // com_3 Null
_com_2 = D_commonOff;
//break;
case 1: // com_2 Null
_com_1 = D_commonOff;
//break;
case 0: // com_1 Null
// nothing
break;
default:
// nothing
break;
}
}
/**************************************
* segAllClear
*
* segment pin o subete OFF suru
**************************************/
void EightDotMatrixLed::segAllClear(void){
_seg_a = D_segmentOff;
_seg_b = D_segmentOff;
_seg_c = D_segmentOff;
_seg_d = D_segmentOff;
_seg_e = D_segmentOff;
_seg_f = D_segmentOff;
_seg_h = D_segmentOff;
}
/**************************************
* segDataSet
*
* segment pin ni shuturyoku data o settei
**************************************/
void EightDotMatrixLed::segDataSet(uint8_t keta){
for(uint8_t i = 0; i < Z_pwmGrayMax + 1; i++){
if(DT_pwmGray[D_dotPwmData[keta][0]] <= i){_seg_a = D_segmentOff;}else{_seg_a = D_segmentOn;}
if(DT_pwmGray[D_dotPwmData[keta][1]] <= i){_seg_b = D_segmentOff;}else{_seg_b = D_segmentOn;}
if(DT_pwmGray[D_dotPwmData[keta][2]] <= i){_seg_c = D_segmentOff;}else{_seg_c = D_segmentOn;}
if(DT_pwmGray[D_dotPwmData[keta][3]] <= i){_seg_d = D_segmentOff;}else{_seg_d = D_segmentOn;}
if(DT_pwmGray[D_dotPwmData[keta][4]] <= i){_seg_e = D_segmentOff;}else{_seg_e = D_segmentOn;}
if(DT_pwmGray[D_dotPwmData[keta][5]] <= i){_seg_f = D_segmentOff;}else{_seg_f = D_segmentOn;}
if(DT_pwmGray[D_dotPwmData[keta][6]] <= i){_seg_g = D_segmentOff;}else{_seg_g = D_segmentOn;}
if(DT_pwmGray[D_dotPwmData[keta][7]] <= i){_seg_h = D_segmentOff;}else{_seg_h = D_segmentOn;}
}
}
/**************************************
* output
*
* dynamic dosa saseru.
* kono kansu wo jiikou suru tabi ni common pin o kirikaeru
**************************************/
void EightDotMatrixLed::output(void){
static uint8_t M_seg = 0;
if(M_seg >= D_comNull){M_seg = 0;}
// com, seg syokika
comAllClear();
segAllClear();
// common output
if(D_comNull != 0){
// If the terminal output processing
switch(M_seg){
case 0:
_com_1 = D_commonOn;
break;
case 1:
_com_2 = D_commonOn;
break;
case 2:
_com_3 = D_commonOn;
break;
case 3:
_com_4 = D_commonOn;
break;
case 4:
_com_5 = D_commonOn;
break;
case 5:
_com_6 = D_commonOn;
break;
case 6:
_com_7 = D_commonOn;
break;
case 7:
_com_8 = D_commonOn;
break;
default:
break;
}
}
// segmant output
if(M_seg < Z_comSuu){
segDataSet(M_seg);
}
// com, seg syokika
comAllClear();
segAllClear();
M_seg++;
}