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pimoroni-pico/micropython/modules/breakout_msa301/breakout_msa301.cpp

374 wiersze
16 KiB
C++
Czysty Zwykły widok Historia

Tidy up include paths
2021-05-14 11:49:48 +00:00
#include "libraries/breakout_msa301/breakout_msa301.hpp"
Micropython bindings and example for MSA301
2021-05-13 20:28:46 +00:00
#define MP_OBJ_TO_PTR2(o, t) ((t *)(uintptr_t)(o))
// SDA/SCL on even/odd pins, I2C0/I2C1 on even/odd pairs of pins.
#define IS_VALID_SCL(i2c, pin) (((pin) & 1) == 1 && (((pin) & 2) >> 1) == (i2c))
#define IS_VALID_SDA(i2c, pin) (((pin) & 1) == 0 && (((pin) & 2) >> 1) == (i2c))
using namespace pimoroni;
extern "C" {
#include "breakout_msa301.h"
/***** Variables Struct *****/
typedef struct _breakout_msa301_BreakoutMSA301_obj_t {
mp_obj_base_t base;
BreakoutMSA301 *breakout;
} breakout_msa301_BreakoutMSA301_obj_t;
/***** Print *****/
void BreakoutMSA301_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
(void)kind; //Unused input parameter
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_msa301_BreakoutMSA301_obj_t);
BreakoutMSA301* breakout = self->breakout;
mp_print_str(print, "BreakoutMSA301(");
mp_print_str(print, "i2c = ");
mp_obj_print_helper(print, mp_obj_new_int((breakout->get_i2c() == i2c0) ? 0 : 1), PRINT_REPR);
mp_print_str(print, ", sda = ");
mp_obj_print_helper(print, mp_obj_new_int(breakout->get_sda()), PRINT_REPR);
mp_print_str(print, ", scl = ");
mp_obj_print_helper(print, mp_obj_new_int(breakout->get_scl()), PRINT_REPR);
mp_print_str(print, ", int = ");
mp_obj_print_helper(print, mp_obj_new_int(breakout->get_int()), PRINT_REPR);
mp_print_str(print, ")");
}
/***** Constructor *****/
mp_obj_t BreakoutMSA301_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
breakout_msa301_BreakoutMSA301_obj_t *self = nullptr;
if(n_args == 0) {
mp_arg_check_num(n_args, n_kw, 0, 0, true);
self = m_new_obj(breakout_msa301_BreakoutMSA301_obj_t);
self->base.type = &breakout_msa301_BreakoutMSA301_type;
self->breakout = new BreakoutMSA301();
}
else {
enum { ARG_i2c, ARG_sda, ARG_scl, ARG_interrupt };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_i2c, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_sda, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_scl, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_interrupt, MP_ARG_INT, {.u_int = BreakoutMSA301::PIN_UNUSED} },
};
// Parse args.
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
// Get I2C bus.
int i2c_id = args[ARG_i2c].u_int;
if(i2c_id < 0 || i2c_id > 1) {
mp_raise_msg_varg(&mp_type_ValueError, MP_ERROR_TEXT("I2C(%d) doesn't exist"), i2c_id);
}
int sda = args[ARG_sda].u_int;
if (!IS_VALID_SDA(i2c_id, sda)) {
mp_raise_ValueError(MP_ERROR_TEXT("bad SDA pin"));
}
int scl = args[ARG_scl].u_int;
if (!IS_VALID_SCL(i2c_id, scl)) {
mp_raise_ValueError(MP_ERROR_TEXT("bad SCL pin"));
}
self = m_new_obj(breakout_msa301_BreakoutMSA301_obj_t);
self->base.type = &breakout_msa301_BreakoutMSA301_type;
i2c_inst_t *i2c = (i2c_id == 0) ? i2c0 : i2c1;
self->breakout = new BreakoutMSA301(i2c, sda, scl, args[ARG_interrupt].u_int);
}
self->breakout->init();
return MP_OBJ_FROM_PTR(self);
}
/***** Methods *****/
mp_obj_t BreakoutMSA301_part_id(mp_obj_t self_in) {
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_msa301_BreakoutMSA301_obj_t);
return mp_obj_new_int(self->breakout->part_id());
}
mp_obj_t BreakoutMSA301_get_axis(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_axis, ARG_sample_count };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_axis, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_sample_count, MP_ARG_INT, {.u_int = 1} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_msa301_BreakoutMSA301_obj_t);
int sample_count = args[ARG_sample_count].u_int;
if(sample_count < 0 || sample_count > 255)
mp_raise_ValueError("sample_count out of range. Expected 0 to 255");
else {
float value = 0.0f;
switch(args[ARG_axis].u_int) {
case MSA_AXIS_X:
value = self->breakout->get_axis(BreakoutMSA301::X, sample_count);
break;
case MSA_AXIS_Y:
value = self->breakout->get_axis(BreakoutMSA301::Y, sample_count);
break;
case MSA_AXIS_Z:
value = self->breakout->get_axis(BreakoutMSA301::Z, sample_count);
break;
default:
mp_raise_ValueError("axis out of range. Expected 0 to 2 (X, Y, Z)");
break;
}
return mp_obj_new_float(value);
}
return mp_const_none;
}
mp_obj_t BreakoutMSA301_get_x_axis(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_sample_count };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_sample_count, MP_ARG_INT, {.u_int = 1} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_msa301_BreakoutMSA301_obj_t);
int sample_count = args[ARG_sample_count].u_int;
if(sample_count < 0 || sample_count > 255)
mp_raise_ValueError("sample_count out of range. Expected 0 to 255");
else
return mp_obj_new_float(self->breakout->get_x_axis(sample_count));
return mp_const_none;
}
mp_obj_t BreakoutMSA301_get_y_axis(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_sample_count };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_sample_count, MP_ARG_INT, {.u_int = 1} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_msa301_BreakoutMSA301_obj_t);
int sample_count = args[ARG_sample_count].u_int;
if(sample_count < 0 || sample_count > 255)
mp_raise_ValueError("sample_count out of range. Expected 0 to 255");
else
return mp_obj_new_float(self->breakout->get_y_axis(sample_count));
return mp_const_none;
}
mp_obj_t BreakoutMSA301_get_z_axis(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_sample_count };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_sample_count, MP_ARG_INT, {.u_int = 1} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_msa301_BreakoutMSA301_obj_t);
int sample_count = args[ARG_sample_count].u_int;
if(sample_count < 0 || sample_count > 255)
mp_raise_ValueError("sample_count out of range. Expected 0 to 255");
else
return mp_obj_new_float(self->breakout->get_z_axis(sample_count));
return mp_const_none;
}
mp_obj_t BreakoutMSA301_get_orientation(mp_obj_t self_in) {
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_msa301_BreakoutMSA301_obj_t);
return mp_obj_new_int(self->breakout->get_orientation());
}
mp_obj_t BreakoutMSA301_set_power_mode(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_power_mode };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_power_mode, MP_ARG_REQUIRED | MP_ARG_INT },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_msa301_BreakoutMSA301_obj_t);
int power_mode = args[ARG_power_mode].u_int;
if(power_mode < 0 || power_mode > 255)
mp_raise_ValueError("power_mode out of range. Expected 0 to 2 (NORMAL, LOW, SUSPEND)");
else
self->breakout->set_power_mode((BreakoutMSA301::PowerMode)power_mode);
return mp_const_none;
}
mp_obj_t BreakoutMSA301_set_range_and_resolution(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_range, ARG_resolution };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_range, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_resolution, MP_ARG_REQUIRED | MP_ARG_INT },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_msa301_BreakoutMSA301_obj_t);
int range = args[ARG_range].u_int;
int resolution = args[ARG_resolution].u_int;
if(range < 0 || range > 3)
mp_raise_ValueError("range out of range. Expected 0 to 3 (G_2, G_4, G_8, G_16)");
if(resolution < 0 || resolution > 3)
mp_raise_ValueError("resolution out of range. Expected 0 to 3 (BITS_14, BITS_12, BITS_10, BITS_8)");
else
self->breakout->set_range_and_resolution((BreakoutMSA301::Range)range, (BreakoutMSA301::Resolution)(resolution << 2));
return mp_const_none;
}
mp_obj_t BreakoutMSA301_set_axis_polarity(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_polarity };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_polarity, MP_ARG_REQUIRED | MP_ARG_INT },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_msa301_BreakoutMSA301_obj_t);
int polarity = args[ARG_polarity].u_int;
if(polarity < 0 || polarity > 15)
mp_raise_ValueError("polarity out of range. Expected 0 or the bitwise combination of 1 (INVERT_X), 2 (INVERT_Y), 4 (INVERT_Z), or 8 (XY_SWAP)");
else
self->breakout->set_axis_polarity(polarity);
return mp_const_none;
}
mp_obj_t BreakoutMSA301_disable_all_interrupts(mp_obj_t self_in) {
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_msa301_BreakoutMSA301_obj_t);
self->breakout->disable_all_interrupts();
return mp_const_none;
}
mp_obj_t BreakoutMSA301_enable_interrupts(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_interrupts };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_interrupts, MP_ARG_REQUIRED | MP_ARG_INT },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_msa301_BreakoutMSA301_obj_t);
int interrupts = args[ARG_interrupts].u_int;
uint32_t mask = BreakoutMSA301::ACTIVE |
BreakoutMSA301::NEW_DATA |
BreakoutMSA301::FREEFALL |
BreakoutMSA301::ORIENTATION |
BreakoutMSA301::SINGLE_TAP |
BreakoutMSA301::DOUBLE_TAP;
if(interrupts < 0 || (interrupts & mask) == 0)
mp_raise_ValueError("interrupts out of range. Expected 0 or the bitwise combination of 1 (X_ACTIVE), 2 (Y_ACTIVE), 4 (Z_ACTIVE), 16 (DOUBLE_TAP), 32 (SINGLE_TAP), 64 (ORIENTATION), 2048 (FREEFALL), 4096 (NEW_DATA)");
else
self->breakout->enable_interrupts(interrupts);
return mp_const_none;
}
mp_obj_t BreakoutMSA301_set_interrupt_latch(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_latch_period, ARG_reset_latched };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_latch_period, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_reset_latched, MP_ARG_REQUIRED | MP_ARG_BOOL },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_msa301_BreakoutMSA301_obj_t);
int latch_period = args[ARG_latch_period].u_int;
bool reset_latched = args[ARG_latch_period].u_bool;
BreakoutMSA301::InterruptLatchPeriod period;
switch(latch_period) {
case MSA_LATCH_1MS: period = BreakoutMSA301::LATCH_1MS; break;
case MSA_LATCH_2MS: period = BreakoutMSA301::LATCH_2MS; break;
case MSA_LATCH_25MS: period = BreakoutMSA301::LATCH_25MS; break;
case MSA_LATCH_50MS: period = BreakoutMSA301::LATCH_50MS; break;
case MSA_LATCH_100MS: period = BreakoutMSA301::LATCH_100MS; break;
case MSA_LATCH_250MS: period = BreakoutMSA301::LATCH_250MS; break;
case MSA_LATCH_500MS: period = BreakoutMSA301::LATCH_500MS; break;
case MSA_LATCH_1S: period = BreakoutMSA301::LATCH_1S; break;
case MSA_LATCH_2S: period = BreakoutMSA301::LATCH_2S; break;
case MSA_LATCH_4S: period = BreakoutMSA301::LATCH_4S; break;
case MSA_LATCH_8S: period = BreakoutMSA301::LATCH_8S; break;
default:
mp_raise_ValueError("latch_period out of range. Expected 0 to 10 (LATCH_1MS, LATCH_2MS, LATCH_25MS, LATCH_50MS, LATCH_100MS, LATCH_250MS, LATCH_500MS, LATCH_1S, LATCH_2S, LATCH_4S, or LATCH_8S)");
break;
}
self->breakout->set_interrupt_latch(period, reset_latched);
return mp_const_none;
}
mp_obj_t BreakoutMSA301_read_interrupt(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_interrupt };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_interrupt, MP_ARG_REQUIRED | MP_ARG_INT },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
breakout_msa301_BreakoutMSA301_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, breakout_msa301_BreakoutMSA301_obj_t);
int interrupt = args[ARG_interrupt].u_int;
switch(interrupt) {
case BreakoutMSA301::NEW_DATA:
case BreakoutMSA301::FREEFALL:
case BreakoutMSA301::ACTIVE:
case BreakoutMSA301::DOUBLE_TAP:
case BreakoutMSA301::SINGLE_TAP:
case BreakoutMSA301::ORIENTATION:
return mp_obj_new_bool(self->breakout->read_interrupt((BreakoutMSA301::Interrupt)interrupt));
default:
mp_raise_ValueError("interrupt not valid. Expected 7 (ACTIVE), 16 (DOUBLE_TAP), 32 (SINGLE_TAP), 64 (ORIENTATION), 2048 (FREEFALL), 4096 (NEW_DATA)");
break;
}
return mp_const_none;
}
}