57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
//
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// Created by Luca on 9/9/2025.
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//
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#ifndef SHAL_I2C_REG_F072XB_H
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#define SHAL_I2C_REG_F072XB_H
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#include "SHAL_CORE.h"
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#include <cassert>
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#include "SHAL_I2C_TYPES.h"
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enum class I2C_Pair : uint8_t{
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//I2C_1
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SCL1B6_SDA1B7, //AF1
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SCL1B8_SDA1B9, //AF1
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//I2C_2
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SCL2B10_SDA2B11, //AF1
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SCL2B13_SDA2B14, //AF5
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NUM_PAIRS,
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INVALID
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};
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constexpr SHAL_I2C_Pair getI2CPair(const I2C_Pair pair){
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switch(pair){
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case I2C_Pair::SCL1B6_SDA1B7: return {I2C1,GPIO_Key::B6,GPIO_Key::B7,AF_Mask::AF1,AF_Mask::AF1};
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case I2C_Pair::SCL1B8_SDA1B9: return {I2C1,GPIO_Key::B8,GPIO_Key::B9,AF_Mask::AF1,AF_Mask::AF1};
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case I2C_Pair::SCL2B10_SDA2B11: return {I2C2,GPIO_Key::B10,GPIO_Key::B11,AF_Mask::AF1,AF_Mask::AF1};
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case I2C_Pair::SCL2B13_SDA2B14: return {I2C2,GPIO_Key::B13,GPIO_Key::B14,AF_Mask::AF5,AF_Mask::AF5};
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case I2C_Pair::NUM_PAIRS:
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case I2C_Pair::INVALID:
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assert(false);
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return {nullptr,GPIO_Key::INVALID,GPIO_Key::INVALID,AF_Mask::AF0,AF_Mask::AF0};
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}
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__builtin_unreachable();
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}
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constexpr SHAL_I2C_Enable_REG getI2CEnableReg(const I2C_Pair pair){
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switch(pair){
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case I2C_Pair::SCL1B6_SDA1B7:
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case I2C_Pair::SCL1B8_SDA1B9:
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return {&RCC->APB1ENR,RCC_APB1ENR_I2C1EN};
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case I2C_Pair::SCL2B10_SDA2B11:
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case I2C_Pair::SCL2B13_SDA2B14:
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return {&RCC->APB1ENR,RCC_APB1ENR_I2C2EN};
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case I2C_Pair::NUM_PAIRS:
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case I2C_Pair::INVALID:
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assert(false);
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return {nullptr, 0};
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}
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__builtin_unreachable();
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}
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#endif //SHAL_I2C_REG_F072XB_H
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