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#pragma once
#include <stdint.h>
#include <mmio/mmio.h>
struct STM32_HSEM_reg_v1_t {
volatile uint32_t R[32];
volatile uint32_t RLR[32];
volatile uint32_t C1IER;
volatile uint32_t C1ICR;
volatile uint32_t C1ISR;
volatile uint32_t C1MISR;
volatile uint32_t C2IER;
volatile uint32_t C2ICR;
volatile uint32_t C2ISR;
volatile uint32_t C2MISR;
uint32_t _reserved[8];
volatile uint32_t CR;
volatile uint32_t KEYR;
};
template <typename T>
class STM32_HSEM_t : public mmio_ptr<T> {
public:
using mmio_ptr<T>::ptr;
bool get_lock_1step(uint32_t sem) const {
return ptr()->RLR[sem] == (uint32_t)((1<<31) | (4<<8)); // cpu1 coreid
}
void release(uint32_t sem, uint32_t process) const {
ptr()->R[sem] = (4<<8) | process; // cpu1 coreid
}
};
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