sort of working
This commit is contained in:
Lucas Pleß
parent
12c6ef61a0
commit
4099b7dea9
1 changed files with 66 additions and 37 deletions
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@ -4,16 +4,18 @@
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#include "dfi.h"
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#define DATA_LINES 6
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#define MODULES 10
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#define FET_COUNT 8
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#define BYTE_PER_FET 6
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#define SEGMENTS 6
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volatile uint8_t data[FET_COUNT][BYTE_PER_FET];
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volatile uint8_t data[DATA_LINES][MODULES][FET_COUNT][SEGMENTS];
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static virtual_timer_t mosfet_timer;
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// prototypes
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void initializeSRData(void);
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static void refreshDisplay(void *arg);
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void shiftOut(uint8_t);
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void shiftOut(uint8_t,uint8_t,uint8_t,uint8_t,uint8_t,uint8_t);
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THD_WORKING_AREA(wa_dfiFunc, DFI_THREAD_STACK_SIZE);
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@ -26,16 +28,32 @@ THD_FUNCTION(dfiFunc, p) {
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static uint8_t counterDigit = 0;
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static uint8_t counterBit = 0;
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chVTObjectInit(&mosfet_timer);
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chVTSet(&mosfet_timer, MS2ST(10), refreshDisplay, NULL);
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chVTSet(&mosfet_timer, US2ST(1500), refreshDisplay, NULL);
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while(true) {
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if(ST2MS(chVTTimeElapsedSinceX(last_time_simul)) > 100) {
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if(ST2MS(chVTTimeElapsedSinceX(last_time_simul)) > 20) {
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for(int dataline = 0; dataline < DATA_LINES; dataline++) {
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data[dataline][0][0][1] = counterBit;
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data[dataline][1][0][1] = 255 - counterBit;
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data[dataline][2][0][1] = counterBit;
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data[dataline][3][0][1] = counterBit;
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data[dataline][4][0][1] = counterBit;
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data[dataline][5][0][1] = counterBit;
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data[dataline][6][0][1] = counterBit;
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data[dataline][7][0][1] = counterBit;
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data[dataline][8][0][1] = counterBit;
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data[dataline][9][0][1] = counterBit;
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}
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/*
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for(int fet=0; fet<FET_COUNT; fet++) {
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for(int digit=0; digit<BYTE_PER_FET; digit++) {
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if(fet == counterFet && digit == counterDigit) {
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data[fet][digit] = 0xff; //(1 << counterBit);
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if(fet == 0 && digit == counterDigit) {
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data[fet][digit] = 0xff; // (1 << counterBit);
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} else {
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data[fet][digit] = 0xff;
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}
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@ -53,7 +71,8 @@ THD_FUNCTION(dfiFunc, p) {
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counterFet %= FET_COUNT;
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}
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}
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*/
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counterBit++;
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last_time_simul = chVTGetSystemTimeX();
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palTogglePad(GPIOC, GPIOC_LED);
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}
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@ -64,14 +83,8 @@ THD_FUNCTION(dfiFunc, p) {
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void initializeSRData() {
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palSetPad(GPIOE, GPIOE_PIN1); //Tells all SRs that uController is sending data
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for(int digit = 0; digit < BYTE_PER_FET; digit++) {
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shiftOut(0);
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}
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for(int fet=0; fet<FET_COUNT; fet++) {
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for(int digit=0; digit<BYTE_PER_FET; digit++) {
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data[fet][digit] = 0xff;
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}
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for(int seg = 0; seg < SEGMENTS; seg++) {
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shiftOut(0,0,0,0,0,0);
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}
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palClearPad(GPIOE, GPIOE_PIN1); //Tells all SRs that uController is done sending data
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@ -89,17 +102,27 @@ static void refreshDisplay(void *arg) {
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// switch fets
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for(int digit = 0; digit < BYTE_PER_FET; digit++) {
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shiftOut(data[fet][digit]);
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for(int module = MODULES-1; module >= 0; module--) {
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for(int seg = 0; seg < SEGMENTS; seg++) {
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shiftOut(data[0][module][fet][seg],
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data[1][module][fet][seg],
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data[2][module][fet][seg],
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data[3][module][fet][seg],
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data[4][module][fet][seg],
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data[5][module][fet][seg]);
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}
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}
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palClearPort(GPIOD, 0xff00);
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palClearPort(GPIOD, 0xff00); // fets off
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palSetPad(GPIOE, GPIOE_PIN1); // latch
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for (int w = 0; w < 1000; w++);
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palClearPad(GPIOE, GPIOE_PIN1); // latch
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for (int w = 0; w < 125; w++); // wait ca 8µS
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palSetPad(GPIOE, GPIOE_PIN1); // latch high
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for (int w = 0; w < 25; w++); // wait ca 1,6µS = 25
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palClearPad(GPIOE, GPIOE_PIN1); // latch low
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for (int w = 0; w < 13; w++); // wait ca 1µS
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// switch fets
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//palSetPort(GPIOD, (1 << (fet+8)));
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@ -115,7 +138,7 @@ static void refreshDisplay(void *arg) {
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//palClearPort(GPIOD, 0xff00);
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chVTSetI(&mosfet_timer, MS2ST(2), refreshDisplay, NULL);
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chVTSetI(&mosfet_timer, US2ST(1500), refreshDisplay, NULL);
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chSysUnlockFromISR();
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}
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@ -123,25 +146,31 @@ static void refreshDisplay(void *arg) {
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void shiftOut(uint8_t val) {
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void shiftOut(uint8_t val1, uint8_t val2, uint8_t val3,
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uint8_t val4, uint8_t val5, uint8_t val6) {
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uint8_t i;
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uint8_t bitbit = false;
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for (i = 0; i < 8; i++) {
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//bitbit = !!((val & (1 << i)));
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bitbit = (val & (1 << i)) >> i;
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/*
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if(bitbit == 1) {
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palSetPad(GPIOE, GPIOE_PIN2);
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} else {
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palClearPad(GPIOE, GPIOE_PIN2);
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}*/
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palWritePad(GPIOE, GPIOE_PIN2, bitbit);
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for (i = 0; i < 8; i++) {
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palWritePad(GPIOE, GPIOE_PIN2, (val1 & (1 << i)) >> i);
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palWritePad(GPIOE, GPIOE_PIN3, (val2 & (1 << i)) >> i);
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palWritePad(GPIOE, GPIOE_PIN4, (val3 & (1 << i)) >> i);
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palWritePad(GPIOE, GPIOE_PIN5, (val4 & (1 << i)) >> i);
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palWritePad(GPIOE, GPIOE_PIN6, (val5 & (1 << i)) >> i);
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palWritePad(GPIOE, GPIOE_PIN7, (val6 & (1 << i)) >> i);
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palSetPad(GPIOE, GPIOE_PIN0); //clock
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for (int w = 0; w < 1000; w++);
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asm ("nop");
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asm ("nop"); asm ("nop");
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asm ("nop");
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asm ("nop");
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asm ("nop");
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asm ("nop");
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asm ("nop");
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asm ("nop");
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palClearPad(GPIOE, GPIOE_PIN0); //clock
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for (int w = 0; w < 1000; w++);
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}
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}
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