amiro-os / include / amiro / power / ltc4412.hpp @ 9090cc7e
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1 | 58fe0e0b | Thomas Schöpping | /*
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2 | * LTC4412 - PowerPath Controller
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3 | */
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4 | |||
5 | #ifndef AMIRO_LTC4412_H_
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6 | #define AMIRO_LTC4412_H_
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7 | |||
8 | #include <hal.h> |
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9 | |||
10 | namespace amiro {
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11 | |||
12 | class BaseLTC4412 |
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13 | { |
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14 | public:
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15 | BaseLTC4412() |
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16 | {} |
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17 | |||
18 | virtual ~BaseLTC4412()
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19 | {} |
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20 | |||
21 | virtual bool isPluggedIn() const = 0; |
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22 | }; |
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23 | |||
24 | class BaseLTC4412wEN : public BaseLTC4412 |
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25 | { |
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26 | public:
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27 | BaseLTC4412wEN() |
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28 | {} |
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29 | |||
30 | virtual ~BaseLTC4412wEN()
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31 | {} |
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32 | |||
33 | virtual void enable(const bool enable = true) = 0; |
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34 | |||
35 | virtual bool isEnabled() const = 0; |
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36 | |||
37 | virtual bool isPluggedIn() const = 0; |
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38 | }; |
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39 | |||
40 | |||
41 | |||
42 | template <uintptr_t STAT_PadGrp, uint8_t STAT_Pad>
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43 | class LTC4412 : public BaseLTC4412 |
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44 | { |
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45 | public:
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46 | LTC4412() |
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47 | {} |
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48 | |||
49 | virtual ~LTC4412()
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50 | {} |
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51 | |||
52 | bool isPluggedIn() const |
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53 | { |
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54 | return (palReadPad((GPIO_TypeDef*)STAT_PadGrp, STAT_Pad) == PAL_HIGH);
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55 | } |
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56 | |||
57 | }; |
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58 | |||
59 | template <uintptr_t STAT_PadGrp, uint8_t STAT_Pad, uintptr_t EN_PadGrp, uint8_t EN_Pad>
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60 | class LTC4412wEN : public BaseLTC4412wEN |
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61 | { |
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62 | private:
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63 | bool is_enabled;
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64 | |||
65 | public:
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66 | LTC4412wEN(const bool enable = false) : |
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67 | is_enabled(enable) |
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68 | { |
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69 | this->enable(enable);
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70 | } |
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71 | |||
72 | virtual ~LTC4412wEN()
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73 | {} |
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74 | |||
75 | void enable(const bool enable = true) |
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76 | { |
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77 | // writing to a port is not atomic, thus the system must be locked
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78 | chSysLock(); |
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79 | palWritePad((GPIO_TypeDef*)EN_PadGrp, EN_Pad, enable? PAL_LOW : PAL_HIGH); |
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80 | this->is_enabled = enable;
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81 | chSysUnlock(); |
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82 | } |
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83 | |||
84 | bool isEnabled() const |
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85 | { |
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86 | return this->is_enabled; |
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87 | } |
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88 | |||
89 | bool isPluggedIn() const |
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90 | { |
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91 | return (palReadPad((GPIO_TypeDef*)STAT_PadGrp, STAT_Pad) == PAL_HIGH);
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92 | } |
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93 | |||
94 | }; |
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95 | |||
96 | } |
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97 | |||
98 | #endif /* AMIRO_LTC4412_H_ */ |