#include "arch.h" #include "kern/log.h" #include "arch/stm32l4xxx/peripherals/system.h" #include "arch/stm32l4xxx/peripherals/clock.h" void on_systick() /* Overrides weak-symbol on_systick. */ { klogf("Systick\n"); } #ifdef ARCH_STM32L4 /* Main function. This gets executed from the interrupt vector defined above. */ int main() { klogf("Hello, World! Clock Mhz: %d\n", (uint32_t) get_clock_mhz()); /* Set the countdown to start from 10,000,0000. */ SCB.strv_r = 10000000; /* Enable interrupts. */ regset(SCB.stcs_r, scb_tickint, 1); /* Start the systick. */ regset(SCB.stcs_r, scb_enable, 1); } #endif