tim.h
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#ifndef REGS_TIM_H
#define REGS_TIM_H
#include "register.h"
template <typename RegisterWidth>
class TIM {
public:
class CR1 : Register16 {
public:
REGS_BOOL_FIELD(CEN, 0);
REGS_BOOL_FIELD(ARPE, 7);
};
class CCMR : Register64 {
/* We're declaring CCMR as a 64 bits register. CCMR doesn't exsist per se,
* it is in fact the consolidation of CCMR1 and CCMR2. Both are 16 bits
* registers, so one could expect the consolidation to be 32 bits. However,
* both CCMR1 and CCMR2 live on 32-bits boundaries, so the consolidation has
* to be 64 bits wide, even though we'll only use 32 bits out of 64. */
public:
enum class CC1S : uint8_t {
OUTPUT = 0,
INPUT_TI2 = 1,
INPUT_TI1 = 2,
INPUT_TRC = 3
};
enum class OCM : uint8_t {
Frozen = 0,
ActiveOnMatch = 1,
InactiveOnMatch = 2,
Toggle = 3,
ForceInactive = 4,
ForceActive = 5,
PWM1 = 6,
PWM2 = 7
};
typedef OCM OC1M;
typedef OCM OC2M;
typedef OCM OC3M;
typedef OCM OC4M;
REGS_BOOL_FIELD(OC1PE, 3);
REGS_TYPE_FIELD(OC1M, 6, 4);
REGS_BOOL_FIELD(OC2PE, 11);
REGS_TYPE_FIELD(OC2M, 14, 12);
REGS_BOOL_FIELD(OC3PE, 35);
REGS_TYPE_FIELD(OC3M, 38, 36);
REGS_BOOL_FIELD(OC4PE, 43);
REGS_TYPE_FIELD(OC4M, 46, 44);
};
class CCER : Register16 {
public:
REGS_BOOL_FIELD(CC1E, 0);
REGS_BOOL_FIELD(CC2E, 4);
REGS_BOOL_FIELD(CC3E, 8);
REGS_BOOL_FIELD(CC4E, 12);
};
class BDTR : Register16 {
public:
REGS_BOOL_FIELD(MOE, 15);
};
class PSC : public Register16 {};
class ARR : public Register16 {};
class CCR1 : public RegisterWidth {};
class CCR2 : public RegisterWidth {};
class CCR3 : public RegisterWidth {};
class CCR4 : public RegisterWidth {};
constexpr TIM(int i) : m_index(i) {}
REGS_REGISTER_AT(CR1, 0x0);
REGS_REGISTER_AT(CCMR, 0x18);
REGS_REGISTER_AT(CCER, 0x20);
REGS_REGISTER_AT(PSC, 0x28);
REGS_REGISTER_AT(ARR, 0x2C);
REGS_REGISTER_AT(CCR1, 0x34);
REGS_REGISTER_AT(CCR2, 0x38);
REGS_REGISTER_AT(CCR3, 0x3C);
REGS_REGISTER_AT(CCR4, 0x40);
REGS_REGISTER_AT(BDTR, 0x44);
private:
constexpr uint32_t Base() const {
return (m_index == 1 ? 0x40010000 :
(m_index <= 7 ? 0x40000000 + 0x400*(m_index-2) :
(m_index == 8 ? 0x40010400 :
(m_index <= 11 ? 0x40014000 + 0x400*(m_index-9) :
0x40001800 + 0x400*(m_index-12)
)
)
)
);
}
int m_index;
};
constexpr TIM<Register16> TIM3(3);
#endif