mp_obj_t mp_builtin_abs(mp_obj_t o_in) {
if (MP_OBJ_IS_SMALL_INT(o_in)) {
mp_small_int_t val = MP_OBJ_SMALL_INT_VALUE(o_in);
if (val < 0) {
val = -val;
}
return MP_OBJ_NEW_SMALL_INT(val);
#if MICROPY_ENABLE_FLOAT
} else if (MP_OBJ_IS_TYPE(o_in, &mp_type_float)) {
mp_float_t value = mp_obj_float_get(o_in);
// TODO check for NaN etc
if (value < 0) {
return mp_obj_new_float(-value);
} else {
return o_in;
}
} else if (MP_OBJ_IS_TYPE(o_in, &mp_type_complex)) {
mp_float_t real, imag;
mp_obj_complex_get(o_in, &real, &imag);
return mp_obj_new_float(MICROPY_FLOAT_C_FUN(sqrt)(real*real + imag*imag));
#endif
} else {
assert(0);
return mp_const_none;
}
}
STATIC mp_obj_t return_ffi_value(ffi_arg val, char type)
{
switch (type) {
case 's': {
const char *s = (const char *)(intptr_t)val;
if (!s) {
return mp_const_none;
}
return mp_obj_new_str(s, strlen(s), false);
}
case 'v':
return mp_const_none;
#if MICROPY_PY_BUILTINS_FLOAT
case 'f': {
union { ffi_arg ffi; float flt; } val_union = { .ffi = val };
return mp_obj_new_float(val_union.flt);
}
case 'd': {
double *p = (double*)&val;
return mp_obj_new_float(*p);
}
#endif
case 'O':
return (mp_obj_t)(intptr_t)val;
default:
return mp_obj_new_int(val);
}
}
mp_obj_t mp_math_modf(mp_obj_t x_obj) {
mp_float_t int_part = 0.0;
mp_float_t fractional_part = MICROPY_FLOAT_C_FUN(modf)(mp_obj_get_float(x_obj), &int_part);
mp_obj_t tuple[2];
tuple[0] = mp_obj_new_float(fractional_part);
tuple[1] = mp_obj_new_float(int_part);
return mp_obj_new_tuple(2, tuple);
}
// log(x[, base])
STATIC mp_obj_t mp_math_log(mp_uint_t n_args, const mp_obj_t *args) {
mp_float_t l = MICROPY_FLOAT_C_FUN(log)(mp_obj_get_float(args[0]));
if (n_args == 1) {
return mp_obj_new_float(l);
} else {
return mp_obj_new_float(l / MICROPY_FLOAT_C_FUN(log)(mp_obj_get_float(args[1])));
}
}
mp_obj_t mp_cmath_polar(mp_obj_t z_obj) {
mp_float_t real, imag;
mp_obj_get_complex(z_obj, &real, &imag);
mp_obj_t tuple[2] = {
mp_obj_new_float(MICROPY_FLOAT_C_FUN(sqrt)(real*real + imag*imag)),
mp_obj_new_float(MICROPY_FLOAT_C_FUN(atan2)(imag, real)),
};
return mp_obj_new_tuple(2, tuple);
}
STATIC void complex_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
if (dest[0] != MP_OBJ_NULL) {
// not load attribute
return;
}
mp_obj_complex_t *self = MP_OBJ_TO_PTR(self_in);
if (attr == MP_QSTR_real) {
dest[0] = mp_obj_new_float(self->real);
} else if (attr == MP_QSTR_imag) {
dest[0] = mp_obj_new_float(self->imag);
}
}
/* store default values so that no crash due to undefined variable */
if (v->flags & PY_FLAG_ARRAY)
{
v->index = MP_OBJ_NEW_SMALL_INT(0);
v->list = mp_obj_new_list((mp_uint_t)v->dim, v->items);
obj = v->list;
}
else
{
obj = v->items[0];
}
mp_store_name(v->name, obj);
if (v->flags & PY_FLAG_FLOAT)
{
size = dim * sizeof(mp_float_t);
data = (void**)&v->data.f;
}
else
{
size = dim * sizeof(mp_int_t);
data = (void**)&v->data.i;
}
*data = malloc(size);
if (*data == NULL) goto on_error_2;
return v;
on_error_2:
free(v->items);
on_error_1:
free(v);
on_error_0:
return NULL;
}
static py_var_t* py_create_scalar
(py_handle_t* py, const char* name, uint32_t flags)
{
return py_create_var(py, name, 1, flags);
}
static py_var_t* py_create_array
(py_handle_t* py, const char* name, size_t dim, uint32_t flags)
{
return py_create_var(py, name, dim, flags | PY_FLAG_ARRAY);
}
static void py_destroy_var(py_var_t* v)
{
void* data;
if (v->flags & PY_FLAG_FLOAT) data = (void*)v->data.f;
else data = (void*)v->data.i;
free(data);
free(v->items);
free(v);
}
static void py_print_var(py_var_t* v)
{
size_t i;
for (i = 0; i != v->dim; ++i)
{
if (v->flags & PY_FLAG_INT) printf(" %d", v->data.i[i]);
else printf(" %lf", v->data.f[i]);
}
printf("\n");
}
static void py_print_out_vars(py_handle_t* py)
{
size_t i;
for (i = 0; i != py->nvar; ++i)
{
py_var_t* const v = py->vars[i];
if ((v->flags & PY_FLAG_OUT) == 0) continue ;
py_print_var(v);
}
}
static int py_compile(py_handle_t* py, const char* s)
{
static const mp_parse_input_kind_t input_kind = MP_PARSE_FILE_INPUT;
static const uint emit_opt = MP_EMIT_OPT_NATIVE_PYTHON;
nlr_buf_t nlr;
int err = -1;
if (nlr_push(&nlr)) return -1;
py->lex = mp_lexer_new_from_str_len
(MP_QSTR__lt_stdin_gt_, s, strlen(s), false);
if (py->lex == NULL) goto on_error_0;
py->parse_tree = mp_parse(py->lex, input_kind);
py->module_fun = mp_compile
(&py->parse_tree, py->lex->source_name, emit_opt, false);
err = 0;
on_error_0:
nlr_pop();
return err;
}
static int py_open(py_handle_t* py)
{
py->lex = NULL;
py->nvar = 0;
return 0;
}
static int py_close(py_handle_t* py)
{
size_t i;
for (i = 0; i != py->nvar; ++i) py_destroy_var(py->vars[i]);
return 0;
}
#if 0 /* does not work, should recompile entirely */
static int py_collect(py_handle_t* py)
{
mp_obj_t obj;
size_t i;
size_t j;
gc_collect();
for (i = 0; i != py->nvar; ++i)
{
py_var_t* const v = py->vars[i];
v->name = qstr_from_str(v->_name);
if (v->flags & PY_FLAG_INT)
{
for (j = 0; j != v->dim; ++j)
{
if (v->flags & PY_FLAG_IN) obj = MP_OBJ_NEW_SMALL_INT(v->in.i[j]);
else obj = MP_OBJ_NEW_SMALL_INT(v->data.i[j]);
v->items[j] = obj;
}
}
else
{
for (j = 0; j != v->dim; ++j)
{
if (v->flags & PY_FLAG_IN) obj = mp_obj_new_float(v->in.f[j]);
else obj = mp_obj_new_float(v->data.f[j]);
v->items[j] = obj;
}
}
/* store default values so that no crash due to undefined variable */
if (v->flags & PY_FLAG_ARRAY)
{
v->index = MP_OBJ_NEW_SMALL_INT(0);
v->list = mp_obj_new_list((mp_uint_t)v->dim, v->items);
obj = v->list;
}
else
{
obj = v->items[0];
}
mp_store_name(v->name, obj);
}
return 0;
}
// log(x[, base])
STATIC mp_obj_t mp_math_log(size_t n_args, const mp_obj_t *args) {
mp_float_t x = mp_obj_get_float(args[0]);
if (x <= (mp_float_t)0.0) {
math_error();
}
mp_float_t l = MICROPY_FLOAT_C_FUN(log)(x);
if (n_args == 1) {
return mp_obj_new_float(l);
} else {
mp_float_t base = mp_obj_get_float(args[1]);
if (base <= (mp_float_t)0.0) {
math_error();
}
return mp_obj_new_float(l / MICROPY_FLOAT_C_FUN(log)(base));
}
}
static mp_obj_t float_make_new(mp_obj_t type_in, int n_args, const mp_obj_t *args) {
switch (n_args) {
case 0:
return mp_obj_new_float(0);
case 1:
// TODO allow string as arg and parse it
if (MP_OBJ_IS_TYPE(args[0], &float_type)) {
return args[0];
} else {
return mp_obj_new_float(mp_obj_get_float(args[0]));
}
default:
nlr_jump(mp_obj_new_exception_msg_1_arg(MP_QSTR_TypeError, "float takes at most 1 argument, %d given", (void*)(machine_int_t)n_args));
}
}
// Functions that return a tuple
mp_obj_t mp_math_frexp(mp_obj_t x_obj) {
int int_exponent = 0;
mp_float_t significand = MICROPY_FLOAT_C_FUN(frexp)(mp_obj_get_float(x_obj), &int_exponent);
mp_obj_t tuple[2];
tuple[0] = mp_obj_new_float(significand);
tuple[1] = mp_obj_new_int(int_exponent);
return mp_obj_new_tuple(2, tuple);
}
// Note: this is deprecated since CPy3.3, but pystone still uses it.
STATIC mp_obj_t mod_time_clock() {
// return mp_obj_new_int((machine_int_t)clock());
// POSIX requires CLOCKS_PER_SEC equals 1000000, so that's what we assume
// float cannot represent full range of int32 precisely, so we pre-divide
// int to reduce resolution, and then actually do float division hoping
// to preserve integer part resolution.
return mp_obj_new_float((float)(clock() / 1000) / 1000.0);
}
mp_obj_t mp_binary_get_val_array(char typecode, void *p, mp_uint_t index) {
mp_int_t val = 0;
switch (typecode) {
case 'b':
val = ((signed char*)p)[index];
break;
case BYTEARRAY_TYPECODE:
case 'B':
val = ((unsigned char*)p)[index];
break;
case 'h':
val = ((short*)p)[index];
break;
case 'H':
val = ((unsigned short*)p)[index];
break;
case 'i':
return mp_obj_new_int(((int*)p)[index]);
case 'I':
return mp_obj_new_int_from_uint(((unsigned int*)p)[index]);
case 'l':
return mp_obj_new_int(((long*)p)[index]);
case 'L':
return mp_obj_new_int_from_uint(((unsigned long*)p)[index]);
#if MICROPY_LONGINT_IMPL != MICROPY_LONGINT_IMPL_NONE
case 'q':
return mp_obj_new_int_from_ll(((long long*)p)[index]);
case 'Q':
return mp_obj_new_int_from_ull(((unsigned long long*)p)[index]);
#endif
#if MICROPY_PY_BUILTINS_FLOAT
case 'f':
return mp_obj_new_float(((float*)p)[index]);
case 'd':
return mp_obj_new_float(((double*)p)[index]);
#endif
// Extension to CPython: array of objects
case 'O':
return ((mp_obj_t*)p)[index];
// Extension to CPython: array of pointers
case 'P':
return mp_obj_new_int((mp_int_t)((void**)p)[index]);
}
return MP_OBJ_NEW_SMALL_INT(val);
}
mp_obj_t mp_binary_get_val(char struct_type, char val_type, byte **ptr) {
byte *p = *ptr;
mp_uint_t align;
size_t size = mp_binary_get_size(struct_type, val_type, &align);
if (struct_type == '@') {
// Make pointer aligned
p = (byte*)(((mp_uint_t)p + align - 1) & ~((mp_uint_t)align - 1));
#if MP_ENDIANNESS_LITTLE
struct_type = '<';
#else
struct_type = '>';
#endif
}
*ptr = p + size;
long long val = mp_binary_get_int(size, is_signed(val_type), (struct_type == '>'), p);
if (val_type == 'O') {
return (mp_obj_t)(mp_uint_t)val;
} else if (val_type == 'S') {
const char *s_val = (const char*)(mp_uint_t)val;
return mp_obj_new_str(s_val, strlen(s_val), false);
#if MICROPY_PY_BUILTINS_FLOAT
} else if (val_type == 'f') {
union { uint32_t i; float f; } fpu = {val};
return mp_obj_new_float(fpu.f);
} else if (val_type == 'd') {
union { uint64_t i; double f; } fpu = {val};
return mp_obj_new_float(fpu.f);
#endif
} else if (is_signed(val_type)) {
if ((long long)MP_SMALL_INT_MIN <= val && val <= (long long)MP_SMALL_INT_MAX) {
return mp_obj_new_int((mp_int_t)val);
} else {
return mp_obj_new_int_from_ll(val);
}
} else {
if ((unsigned long long)val <= (unsigned long long)MP_SMALL_INT_MAX) {
return mp_obj_new_int_from_uint((mp_uint_t)val);
} else {
return mp_obj_new_int_from_ull(val);
}
}
}
STATIC mp_obj_t float_unary_op(mp_uint_t op, mp_obj_t o_in) {
mp_float_t val = mp_obj_float_get(o_in);
switch (op) {
case MP_UNARY_OP_BOOL: return mp_obj_new_bool(val != 0);
case MP_UNARY_OP_POSITIVE: return o_in;
case MP_UNARY_OP_NEGATIVE: return mp_obj_new_float(-val);
default: return MP_OBJ_NULL; // op not supported
}
}
STATIC mp_obj_t microbit_temperature(void) {
int temp;
NRF_TEMP->TASKS_START = 1;
while (NRF_TEMP->EVENTS_DATARDY == 0);
NRF_TEMP->EVENTS_DATARDY = 0;
temp = NRF_TEMP->TEMP;
NRF_TEMP->TASKS_STOP = 1;
return mp_obj_new_float(temp/4.0);
}
STATIC mp_obj_t float_unary_op(int op, mp_obj_t o_in) {
mp_obj_float_t *o = o_in;
switch (op) {
case MP_UNARY_OP_BOOL: return MP_BOOL(o->value != 0);
case MP_UNARY_OP_POSITIVE: return o_in;
case MP_UNARY_OP_NEGATIVE: return mp_obj_new_float(-o->value);
default: return MP_OBJ_NOT_SUPPORTED;
}
}
static mp_obj_t float_unary_op(int op, mp_obj_t o_in) {
mp_obj_float_t *o = o_in;
switch (op) {
case RT_UNARY_OP_NOT: if (o->value != 0) { return mp_const_true;} else { return mp_const_false; }
case RT_UNARY_OP_POSITIVE: return o_in;
case RT_UNARY_OP_NEGATIVE: return mp_obj_new_float(-o->value);
default: return NULL; // op not supported
}
}
STATIC mp_obj_t float_unary_op(mp_uint_t op, mp_obj_t o_in) {
mp_obj_float_t *o = o_in;
switch (op) {
case MP_UNARY_OP_BOOL: return MP_BOOL(o->value != 0);
case MP_UNARY_OP_POSITIVE: return o_in;
case MP_UNARY_OP_NEGATIVE: return mp_obj_new_float(-o->value);
default: return MP_OBJ_NULL; // op not supported
}
}
// Note: this is deprecated since CPy3.3, but pystone still uses it.
STATIC mp_obj_t mod_time_clock() {
#if MICROPY_PY_BUILTINS_FLOAT
// float cannot represent full range of int32 precisely, so we pre-divide
// int to reduce resolution, and then actually do float division hoping
// to preserve integer part resolution.
return mp_obj_new_float((float)(clock() / 1000) / CLOCK_DIV);
#else
return mp_obj_new_int((machine_int_t)clock());
#endif
}
static mp_obj_t adc_all_read_core_vref(mp_obj_t self_in) {
pyb_obj_adc_all_t *self = self_in;
if (self->is_enabled) {
float data = adc_read_core_vref();
return mp_obj_new_float(data);
} else {
return mp_const_none;
}
}
STATIC mp_obj_t mod_time_time() {
#if MICROPY_PY_BUILTINS_FLOAT
struct timeval tv;
gettimeofday(&tv, NULL);
mp_float_t val = tv.tv_sec + (mp_float_t)tv.tv_usec / 1000000;
return mp_obj_new_float(val);
#else
return mp_obj_new_int((machine_int_t)time(NULL));
#endif
}
mp_obj_t mp_obj_float_binary_op(mp_uint_t op, mp_float_t lhs_val, mp_obj_t rhs_in) {
mp_float_t rhs_val = mp_obj_get_float(rhs_in); // can be any type, this function will convert to float (if possible)
switch (op) {
case MP_BINARY_OP_ADD:
case MP_BINARY_OP_INPLACE_ADD: lhs_val += rhs_val; break;
case MP_BINARY_OP_SUBTRACT:
case MP_BINARY_OP_INPLACE_SUBTRACT: lhs_val -= rhs_val; break;
case MP_BINARY_OP_MULTIPLY:
case MP_BINARY_OP_INPLACE_MULTIPLY: lhs_val *= rhs_val; break;
case MP_BINARY_OP_FLOOR_DIVIDE:
case MP_BINARY_OP_INPLACE_FLOOR_DIVIDE:
if (rhs_val == 0) {
zero_division_error:
nlr_raise(mp_obj_new_exception_msg(&mp_type_ZeroDivisionError, "division by zero"));
}
// Python specs require that x == (x//y)*y + (x%y) so we must
// call divmod to compute the correct floor division, which
// returns the floor divide in lhs_val.
mp_obj_float_divmod(&lhs_val, &rhs_val);
break;
case MP_BINARY_OP_TRUE_DIVIDE:
case MP_BINARY_OP_INPLACE_TRUE_DIVIDE:
if (rhs_val == 0) {
goto zero_division_error;
}
lhs_val /= rhs_val;
break;
case MP_BINARY_OP_MODULO:
case MP_BINARY_OP_INPLACE_MODULO:
if (rhs_val == 0) {
goto zero_division_error;
}
lhs_val = MICROPY_FLOAT_C_FUN(fmod)(lhs_val, rhs_val);
// Python specs require that mod has same sign as second operand
if (lhs_val == 0.0) {
lhs_val = MICROPY_FLOAT_C_FUN(copysign)(0.0, rhs_val);
} else {
if ((lhs_val < 0.0) != (rhs_val < 0.0)) {
lhs_val += rhs_val;
}
}
break;
case MP_BINARY_OP_POWER:
case MP_BINARY_OP_INPLACE_POWER: lhs_val = MICROPY_FLOAT_C_FUN(pow)(lhs_val, rhs_val); break;
case MP_BINARY_OP_LESS: return MP_BOOL(lhs_val < rhs_val);
case MP_BINARY_OP_MORE: return MP_BOOL(lhs_val > rhs_val);
case MP_BINARY_OP_EQUAL: return MP_BOOL(lhs_val == rhs_val);
case MP_BINARY_OP_LESS_EQUAL: return MP_BOOL(lhs_val <= rhs_val);
case MP_BINARY_OP_MORE_EQUAL: return MP_BOOL(lhs_val >= rhs_val);
default:
return MP_OBJ_NULL; // op not supported
}
return mp_obj_new_float(lhs_val);
}
STATIC mp_obj_t return_ffi_value(ffi_arg val, char type)
{
switch (type) {
case 's': {
const char *s = (const char *)val;
return mp_obj_new_str(s, strlen(s), false);
}
case 'v':
return mp_const_none;
case 'f': {
union { ffi_arg ffi; float flt; } val_union = { .ffi = val };
return mp_obj_new_float(val_union.flt);
}
case 'd': {
double *p = (double*)&val;
return mp_obj_new_float(*p);
}
default:
return mp_obj_new_int(val);
}
}
mp_obj_t mp_binary_get_val_array(char typecode, void *p, mp_uint_t index) {
mp_int_t val = 0;
switch (typecode) {
case 'b':
val = ((signed char*)p)[index];
break;
case BYTEARRAY_TYPECODE:
case 'B':
val = ((unsigned char*)p)[index];
break;
case 'h':
val = ((short*)p)[index];
break;
case 'H':
val = ((unsigned short*)p)[index];
break;
case 'i':
return mp_obj_new_int(((int*)p)[index]);
case 'I':
return mp_obj_new_int_from_uint(((unsigned int*)p)[index]);
case 'l':
return mp_obj_new_int(((long*)p)[index]);
case 'L':
return mp_obj_new_int_from_uint(((unsigned long*)p)[index]);
#if MICROPY_LONGINT_IMPL != MICROPY_LONGINT_IMPL_NONE
case 'q':
case 'Q':
// TODO: Explode API more to cover signedness
return mp_obj_new_int_from_ll(((long long*)p)[index]);
#endif
#if MICROPY_PY_BUILTINS_FLOAT
case 'f':
return mp_obj_new_float(((float*)p)[index]);
case 'd':
return mp_obj_new_float(((double*)p)[index]);
#endif
}
return MP_OBJ_NEW_SMALL_INT(val);
}
STATIC mp_obj_t mp_builtin_abs(mp_obj_t o_in) {
#if MICROPY_PY_BUILTINS_FLOAT
if (mp_obj_is_float(o_in)) {
mp_float_t value = mp_obj_float_get(o_in);
// TODO check for NaN etc
if (value < 0) {
return mp_obj_new_float(-value);
} else {
return o_in;
}
#if MICROPY_PY_BUILTINS_COMPLEX
} else if (MP_OBJ_IS_TYPE(o_in, &mp_type_complex)) {
mp_float_t real, imag;
mp_obj_complex_get(o_in, &real, &imag);
return mp_obj_new_float(MICROPY_FLOAT_C_FUN(sqrt)(real*real + imag*imag));
#endif
}
#endif
// this will raise a TypeError if the argument is not integral
return mp_obj_int_abs(o_in);
}
mp_obj_t ffifunc_call(mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
mp_obj_ffifunc_t *self = self_in;
assert(n_kw == 0);
assert(n_args == self->cif.nargs);
ffi_arg values[n_args];
void *valueptrs[n_args];
int i;
for (i = 0; i < n_args; i++) {
mp_obj_t a = args[i];
if (a == mp_const_none) {
values[i] = 0;
} else if (MP_OBJ_IS_INT(a)) {
values[i] = mp_obj_int_get(a);
} else if (MP_OBJ_IS_STR(a)) {
const char *s = mp_obj_str_get_str(a);
values[i] = (ffi_arg)s;
} else if (((mp_obj_base_t*)a)->type->buffer_p.get_buffer != NULL) {
mp_obj_base_t *o = (mp_obj_base_t*)a;
mp_buffer_info_t bufinfo;
int ret = o->type->buffer_p.get_buffer(o, &bufinfo, MP_BUFFER_READ); // TODO: MP_BUFFER_READ?
if (ret != 0 || bufinfo.buf == NULL) {
goto error;
}
values[i] = (ffi_arg)bufinfo.buf;
} else if (MP_OBJ_IS_TYPE(a, &fficallback_type)) {
mp_obj_fficallback_t *p = a;
values[i] = (ffi_arg)p->func;
} else {
goto error;
}
valueptrs[i] = &values[i];
}
// If ffi_arg is not big enough to hold a double, then we must pass along a
// pointer to a memory location of the correct size.
// TODO check if this needs to be done for other types which don't fit into
// ffi_arg.
if (sizeof(ffi_arg) == 4 && self->rettype == 'd') {
double retval;
ffi_call(&self->cif, self->func, &retval, valueptrs);
return mp_obj_new_float(retval);
} else {
ffi_arg retval;
ffi_call(&self->cif, self->func, &retval, valueptrs);
return return_ffi_value(retval, self->rettype);
}
error:
nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "Don't know how to pass object to native function"));
}
STATIC mp_obj_t float_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
mp_arg_check_num(n_args, n_kw, 0, 1, false);
switch (n_args) {
case 0:
return mp_obj_new_float(0);
case 1:
default:
if (MP_OBJ_IS_STR(args[0])) {
// a string, parse it
uint l;
const char *s = mp_obj_str_get_data(args[0], &l);
return mp_parse_num_decimal(s, l, false, false);
} else if (MP_OBJ_IS_TYPE(args[0], &mp_type_float)) {
// a float, just return it
return args[0];
} else {
// something else, try to cast it to a float
return mp_obj_new_float(mp_obj_get_float(args[0]));
}
}
}
mp_obj_t mp_binary_get_val(char typecode, void *p, int index) {
machine_int_t val = 0;
switch (typecode) {
case 'b':
val = ((int8_t*)p)[index];
break;
case BYTEARRAY_TYPECODE:
case 'B':
val = ((uint8_t*)p)[index];
break;
case 'h':
val = ((int16_t*)p)[index];
break;
case 'H':
val = ((uint16_t*)p)[index];
break;
case 'i':
case 'l':
return mp_obj_new_int(((int32_t*)p)[index]);
case 'I':
case 'L':
return mp_obj_new_int_from_uint(((uint32_t*)p)[index]);
#if MICROPY_LONGINT_IMPL != MICROPY_LONGINT_IMPL_NONE
case 'q':
case 'Q':
// TODO: Explode API more to cover signedness
return mp_obj_new_int_from_ll(((long long*)p)[index]);
#endif
#if MICROPY_ENABLE_FLOAT
case 'f':
return mp_obj_new_float(((float*)p)[index]);
case 'd':
return mp_obj_new_float(((double*)p)[index]);
#endif
}
return MP_OBJ_NEW_SMALL_INT(val);
}
mp_obj_t mp_obj_float_binary_op(int op, mp_float_t lhs_val, mp_obj_t rhs_in) {
mp_float_t rhs_val = mp_obj_get_float(rhs_in); // can be any type, this function will convert to float (if possible)
switch (op) {
case RT_BINARY_OP_ADD:
case RT_BINARY_OP_INPLACE_ADD: lhs_val += rhs_val; break;
case RT_BINARY_OP_SUBTRACT:
case RT_BINARY_OP_INPLACE_SUBTRACT: lhs_val -= rhs_val; break;
case RT_BINARY_OP_MULTIPLY:
case RT_BINARY_OP_INPLACE_MULTIPLY: lhs_val *= rhs_val; break;
/* TODO floor(?) the value
case RT_BINARY_OP_FLOOR_DIVIDE:
case RT_BINARY_OP_INPLACE_FLOOR_DIVIDE: val = lhs_val / rhs_val; break;
*/
case RT_BINARY_OP_TRUE_DIVIDE:
case RT_BINARY_OP_INPLACE_TRUE_DIVIDE: lhs_val /= rhs_val; break;
return NULL; // op not supported
}
return mp_obj_new_float(lhs_val);
}
// Helper function to compute percentage from timer perion and PWM value.
STATIC mp_obj_t compute_percent_from_pwm_value(uint32_t period, uint32_t cmp) {
#if MICROPY_PY_BUILTINS_FLOAT
float percent = (float)cmp * 100.0 / (float)period;
if (cmp >= period) {
percent = 100.0;
} else {
percent = (float)cmp * 100.0 / (float)period;
}
return mp_obj_new_float(percent);
#else
mp_int_t percent;
if (cmp >= period) {
percent = 100;
} else {
percent = cmp * 100 / period;
}
return mp_obj_new_int(percent);
#endif
}