* HAL driver system settings.\r
*/\r
#define STM32_NO_INIT FALSE\r
-#define STM32_VOS STM32_VOS_1P2\r
+#define STM32_VOS STM32_VOS_1P5\r
#define STM32_PVD_ENABLE TRUE\r
#define STM32_PLS STM32_PLS_LEV4\r
#define STM32_HSI16_ENABLED TRUE\r
#define STM32_ADC_CLOCK_ENABLED TRUE\r
#define STM32_MSIRANGE STM32_MSIRANGE_4M\r
#define STM32_SW STM32_SW_MSI\r
-#define STM32_PLLSRC STM32_PLLSRC_NONE\r
-#define STM32_PLLMUL_VALUE 1\r
-#define STM32_PLLDIV_VALUE 8\r
+#define STM32_PLLSRC STM32_PLLSRC_HSI16\r
+#define STM32_PLLMUL_VALUE 3\r
+#define STM32_PLLDIV_VALUE 3\r
#define STM32_HPRE STM32_HPRE_DIV1\r
#define STM32_PPRE1 STM32_PPRE1_DIV1\r
#define STM32_PPRE2 STM32_PPRE2_DIV1\r
-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"
#include "buttons.h"
#include "dogs.h"
+#include "hal.h"
+
+#include <stdint.h>
static const unsigned char bird[] = {
8, 8,
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;
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;
}