FilesExpand file tree

 main

/

Processor.c

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

178 lines (149 loc) · 6.86 KB

 main

/

Processor.c

Copy path

Top

File metadata and controls

• Code
• Blame

178 lines (149 loc) · 6.86 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

/*

* This file is part of the Micro Python project, http://micropython.org/

*

* The MIT License (MIT)

*

* Copyright (c) 2017 Dan Halbert for Adafruit Industries

*

* Permission is hereby granted, free of charge, to any person obtaining a copy

* of this software and associated documentation files (the "Software"), to deal

* in the Software without restriction, including without limitation the rights

* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

* copies of the Software, and to permit persons to whom the Software is

* furnished to do so, subject to the following conditions:

*

* The above copyright notice and this permission notice shall be included in

* all copies or substantial portions of the Software.

*

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

* THE SOFTWARE.

*/

#include "shared-bindings/microcontroller/__init__.h"

#include "shared-bindings/microcontroller/Processor.h"

#include <math.h>

#include <stdint.h>

#include "shared-bindings/util.h"

#include "shared/runtime/buffer_helper.h"

#include "shared/runtime/context_manager_helpers.h"

#include "py/mperrno.h"

#include "py/objtype.h"

#include "py/objproperty.h"

#include "py/runtime.h"

//| class Processor:

//| """Microcontroller CPU information and control

//|

//| Usage::

//|

//| import microcontroller

//| print(microcontroller.cpu.frequency)

//| print(microcontroller.cpu.temperature)

//|

//| Note that on chips with more than one cpu (such as the RP2040)

//| microcontroller.cpu will return the value for CPU 0.

//| To get values from other CPUs use microcontroller.cpus indexed by

//| the number of the desired cpu. i.e.

//|

//| print(microcontroller.cpus[0].temperature)

//| print(microcontroller.cpus[1].frequency)"""

//|

//| def __init__(self) -> None:

//| """You cannot create an instance of `microcontroller.Processor`.

//| Use `microcontroller.cpu` to access the sole instance available."""

//| ...

//| frequency: int

//| """The CPU operating frequency in Hertz.

//|

//| **Limitations:** On most boards, ``frequency`` is read-only. Setting

//| the ``frequency`` is possible on RP2040 boards and some i.MX boards.

//|

//| .. warning:: Overclocking likely voids your warranties and may reduce

//| the lifetime of the chip.

//|

//| .. warning:: Changing the frequency may cause issues with other

//| subsystems, such as USB, PWM, and PIO. To minimize issues, set the CPU

//| frequency before initializing other systems.

//| """

#if CIRCUITPY_SETTABLE_PROCESSOR_FREQUENCY

STATIC mp_obj_t mcu_processor_set_frequency(mp_obj_t self, mp_obj_t freq) {

uint32_t value_of_freq = (uint32_t)mp_arg_validate_int_min(mp_obj_get_int(freq), 0, MP_QSTR_frequency);

common_hal_mcu_processor_set_frequency(self, value_of_freq);

return mp_const_none;

}

MP_DEFINE_CONST_FUN_OBJ_2(mcu_processor_set_frequency_obj, mcu_processor_set_frequency);

#endif

STATIC mp_obj_t mcu_processor_get_frequency(mp_obj_t self) {

return mp_obj_new_int_from_uint(common_hal_mcu_processor_get_frequency());

}

MP_DEFINE_CONST_FUN_OBJ_1(mcu_processor_get_frequency_obj, mcu_processor_get_frequency);

#if CIRCUITPY_SETTABLE_PROCESSOR_FREQUENCY

MP_PROPERTY_GETSET(mcu_processor_frequency_obj,

(mp_obj_t)&mcu_processor_get_frequency_obj,

(mp_obj_t)&mcu_processor_set_frequency_obj);

#else

MP_PROPERTY_GETTER(mcu_processor_frequency_obj,

(mp_obj_t)&mcu_processor_get_frequency_obj);

#endif

//| reset_reason: microcontroller.ResetReason

//| """The reason the microcontroller started up from reset state."""

STATIC mp_obj_t mcu_processor_get_reset_reason(mp_obj_t self) {

return cp_enum_find(&mcu_reset_reason_type, common_hal_mcu_processor_get_reset_reason());

}

MP_DEFINE_CONST_FUN_OBJ_1(mcu_processor_get_reset_reason_obj, mcu_processor_get_reset_reason);

MP_PROPERTY_GETTER(mcu_processor_reset_reason_obj,

(mp_obj_t)&mcu_processor_get_reset_reason_obj);

//| temperature: Optional[float]

//| """The on-chip temperature, in Celsius, as a float. (read-only)

//|

//| Is `None` if the temperature is not available.

//|

//| **Limitations:** Not available on ESP32 or ESP32-S3. On small SAMD21 builds without external flash,

//| the reported temperature has reduced accuracy and precision, to save code space.

//| """

STATIC mp_obj_t mcu_processor_get_temperature(mp_obj_t self) {

float temperature = common_hal_mcu_processor_get_temperature();

return isnan(temperature) ? mp_const_none : mp_obj_new_float(temperature);

}

MP_DEFINE_CONST_FUN_OBJ_1(mcu_processor_get_temperature_obj, mcu_processor_get_temperature);

MP_PROPERTY_GETTER(mcu_processor_temperature_obj,

(mp_obj_t)&mcu_processor_get_temperature_obj);

//| uid: bytearray

//| """The unique id (aka serial number) of the chip as a `bytearray`. (read-only)"""

STATIC mp_obj_t mcu_processor_get_uid(mp_obj_t self) {

uint8_t raw_id[COMMON_HAL_MCU_PROCESSOR_UID_LENGTH];

common_hal_mcu_processor_get_uid(raw_id);

return mp_obj_new_bytearray(sizeof(raw_id), raw_id);

}

MP_DEFINE_CONST_FUN_OBJ_1(mcu_processor_get_uid_obj, mcu_processor_get_uid);

MP_PROPERTY_GETTER(mcu_processor_uid_obj,

(mp_obj_t)&mcu_processor_get_uid_obj);

//| voltage: Optional[float]

//| """The input voltage to the microcontroller, as a float. (read-only)

//|

//| Is `None` if the voltage is not available."""

//|

STATIC mp_obj_t mcu_processor_get_voltage(mp_obj_t self) {

float voltage = common_hal_mcu_processor_get_voltage();

return isnan(voltage) ? mp_const_none : mp_obj_new_float(voltage);

}

MP_DEFINE_CONST_FUN_OBJ_1(mcu_processor_get_voltage_obj, mcu_processor_get_voltage);

MP_PROPERTY_GETTER(mcu_processor_voltage_obj,

(mp_obj_t)&mcu_processor_get_voltage_obj);

STATIC const mp_rom_map_elem_t mcu_processor_locals_dict_table[] = {

{ MP_ROM_QSTR(MP_QSTR_frequency), MP_ROM_PTR(&mcu_processor_frequency_obj) },

{ MP_ROM_QSTR(MP_QSTR_reset_reason), MP_ROM_PTR(&mcu_processor_reset_reason_obj) },

{ MP_ROM_QSTR(MP_QSTR_temperature), MP_ROM_PTR(&mcu_processor_temperature_obj) },

{ MP_ROM_QSTR(MP_QSTR_uid), MP_ROM_PTR(&mcu_processor_uid_obj) },

{ MP_ROM_QSTR(MP_QSTR_voltage), MP_ROM_PTR(&mcu_processor_voltage_obj) },

};

STATIC MP_DEFINE_CONST_DICT(mcu_processor_locals_dict, mcu_processor_locals_dict_table);

MP_DEFINE_CONST_OBJ_TYPE(

mcu_processor_type,

MP_QSTR_Processor,

MP_TYPE_FLAG_HAS_SPECIAL_ACCESSORS,

locals_dict, &mcu_processor_locals_dict

);