random is working

This commit is contained in:
Wolfgang Hottgenroth 2024-03-21 11:34:20 +01:00
parent 50486f6ec0
commit f69c5bc59e
5 changed files with 18 additions and 19 deletions

View File

@ -7,7 +7,7 @@ MCU=msp430g2553
CFLAGS=-Wall -mmcu=$(MCU) -std=gnu99 -I $(TOOLCHAIN_PREFIX)/include -O1 -g0
# for debugging
CFLAGS+= -g3 -ggdb -gdwarf-2
#CFLAGS+= -g3 -ggdb -gdwarf-2
LDFLAGS=-mmcu=$(MCU) -L $(TOOLCHAIN_PREFIX)/include

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@ -10,6 +10,7 @@
#include "game.h"
#include "buttons.h"
#include "shapes.h"
#include "myrand.h"
int main() {
@ -26,6 +27,7 @@ int main() {
schInit();
ledInit();
myRandInit();
canvasInit();
shapesInit();

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@ -4,21 +4,23 @@
#include "myrand.h"
void myRandInit() {
ADC10CTL0 = SREF_1 | ADC10SHT_1 | ADC10SR | REFON | ADC10ON;
ADC10CTL1 = INCH_10;
ADC10CTL0 = SREF_1 | ADC10SHT_1 | REFON | ADC10ON;
}
uint8_t myRandGet() {
uint16_t myRandGet() {
uint16_t res = 0;
for (uint8_t i = 0; i < 16; i++) {
ADC10CTL0 |= ENC | ADC10SC;
while ((ADC10CTL0 & ADC10IFG) == 0);
while ((ADC10CTL1 & ADC10BUSY));
uint16_t n = ADC10MEM;
uint8_t r = n & 0x00ff;
res <<= 1;
res |= ADC10MEM & 0x0001;
}
ADC10CTL0 &= ~(ADC10IFG | ENC);
return r;
return res;
}

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@ -2,7 +2,7 @@
#define _MYRAND_H_
void myRandInit();
uint8_t myRandGet();
uint16_t myRandGet();
#endif // _MYRAND_H_

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@ -356,14 +356,9 @@ void shapesInit() {
}
void stoneCreate() {
// static uint8_t cnt = 0;
uint8_t r = myRandGet();
uint8_t cnt = r % e_ShapeInvalid;
stone.shape = ((shape_t[]){ e_I, e_O, e_T, e_Z, e_S, e_L, e_J })[cnt];
// cnt++;
// if (cnt >= e_ShapeInvalid) {
// cnt = 0;
// }
uint16_t n = myRandGet();
uint8_t m = n % 7;
stone.shape = ((shape_t[]){ e_I, e_O, e_T, e_Z, e_S, e_L, e_J })[m];
stone.orientation = e_0;
stone.x = 5;
stone.y = 0;