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fix power settings; rand() for flapbird

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Clyne 2022-06-11 12:41:56 -04:00
parent 824e603b23
commit fb05a5aaad
4 changed files with 32 additions and 9 deletions
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8
cfg/mcuconf.h
View File

@ -39,7 +39,7 @@
* HAL driver system settings.
*/
#define STM32_NO_INIT FALSE
#define STM32_VOS STM32_VOS_1P2
#define STM32_VOS STM32_VOS_1P5
#define STM32_PVD_ENABLE TRUE
#define STM32_PLS STM32_PLS_LEV4
#define STM32_HSI16_ENABLED TRUE
@ -50,9 +50,9 @@
#define STM32_ADC_CLOCK_ENABLED TRUE
#define STM32_MSIRANGE STM32_MSIRANGE_4M
#define STM32_SW STM32_SW_MSI
#define STM32_PLLSRC STM32_PLLSRC_NONE
#define STM32_PLLMUL_VALUE 1
#define STM32_PLLDIV_VALUE 8
#define STM32_PLLSRC STM32_PLLSRC_HSI16
#define STM32_PLLMUL_VALUE 3
#define STM32_PLLDIV_VALUE 3
#define STM32_HPRE STM32_HPRE_DIV1
#define STM32_PPRE1 STM32_PPRE1_DIV1
#define STM32_PPRE2 STM32_PPRE2_DIV1

2
openocd.sh
View File

@ -1 +1 @@
openocd -f /usr/local/share/openocd/scripts/interface/stlink-v2.cfg -f /usr/local/share/openocd/scripts/target/stm32l0.cfg -c "init; program build/ch.hex verify reset exit"
openocd -f /usr/share/openocd/scripts/interface/stlink-v2.cfg -f /usr/share/openocd/scripts/target/stm32l0.cfg -c "init; program build/ch.hex verify reset exit"

28
source/flapbird.c
View File

@ -1,5 +1,8 @@
#include "buttons.h"
#include "dogs.h"
#include "hal.h"
#include <stdint.h>
static const unsigned char bird[] = {
8, 8,
@ -20,11 +23,23 @@ static int py;
static int vy;
static int counter;
static uint32_t next = 31415926;
int rand()
{
uint32_t tr = RTC->TR;
uint32_t dr = RTC->DR;
next = next * (0x197244 + dr) + tr;
return (unsigned int)(next / 65536) % 32768;
}
#define NEW_BAR() (rand() % 50 + 5)
void flapbird_init()
{
score = 0;
t1x = DISP_WIDTH / 2, t1o = 15;
t2x = DISP_WIDTH, t2o = 49;
t1x = DISP_WIDTH / 2, t1o = NEW_BAR();
t2x = DISP_WIDTH, t2o = NEW_BAR();
py = DISP_HEIGHT / 2 - 4;
vy = 0;
counter = 0;
@ -69,11 +84,16 @@ int flapbird_loop()
score = (py + 2 > t2o - 10 && py + 6 < t2o + 10) ? score + 1 : 0;
t1x -= 2;
if (t1x <= -5)
if (t1x <= -5) {
t1x = DISP_WIDTH;
t1o = NEW_BAR();
}
t2x -= 2;
if (t2x <= -5)
if (t2x <= -5) {
t2x = DISP_WIDTH;
t2o = NEW_BAR();
}
return 100;
}

3
source/main.c
View File

@ -67,6 +67,9 @@ static void alarm_callback(RTCDriver *rtcp, rtcevent_t event)
int main(void)
{
halInit();
RCC->CR &= ~(RCC_CR_PLLON); // Ensure that the PLL is off (unused).
//chSysInit();
buttons_init();