summaryrefslogtreecommitdiff
path: root/extmod/machine_i2s.c
diff options
context:
space:
mode:
Diffstat (limited to 'extmod/machine_i2s.c')
-rw-r--r--extmod/machine_i2s.c78
1 files changed, 39 insertions, 39 deletions
diff --git a/extmod/machine_i2s.c b/extmod/machine_i2s.c
index cc97f011a..7e069c5d7 100644
--- a/extmod/machine_i2s.c
+++ b/extmod/machine_i2s.c
@@ -108,21 +108,21 @@ typedef struct _non_blocking_descriptor_t {
bool copy_in_progress;
} non_blocking_descriptor_t;
-STATIC void ringbuf_init(ring_buf_t *rbuf, uint8_t *buffer, size_t size);
-STATIC bool ringbuf_push(ring_buf_t *rbuf, uint8_t data);
-STATIC bool ringbuf_pop(ring_buf_t *rbuf, uint8_t *data);
-STATIC size_t ringbuf_available_data(ring_buf_t *rbuf);
-STATIC size_t ringbuf_available_space(ring_buf_t *rbuf);
-STATIC void fill_appbuf_from_ringbuf_non_blocking(machine_i2s_obj_t *self);
-STATIC void copy_appbuf_to_ringbuf_non_blocking(machine_i2s_obj_t *self);
+static void ringbuf_init(ring_buf_t *rbuf, uint8_t *buffer, size_t size);
+static bool ringbuf_push(ring_buf_t *rbuf, uint8_t data);
+static bool ringbuf_pop(ring_buf_t *rbuf, uint8_t *data);
+static size_t ringbuf_available_data(ring_buf_t *rbuf);
+static size_t ringbuf_available_space(ring_buf_t *rbuf);
+static void fill_appbuf_from_ringbuf_non_blocking(machine_i2s_obj_t *self);
+static void copy_appbuf_to_ringbuf_non_blocking(machine_i2s_obj_t *self);
#endif // MICROPY_PY_MACHINE_I2S_RING_BUF
// The port must provide implementations of these low-level I2S functions.
-STATIC void mp_machine_i2s_init_helper(machine_i2s_obj_t *self, mp_arg_val_t *args);
-STATIC machine_i2s_obj_t *mp_machine_i2s_make_new_instance(mp_int_t i2s_id);
-STATIC void mp_machine_i2s_deinit(machine_i2s_obj_t *self);
-STATIC void mp_machine_i2s_irq_update(machine_i2s_obj_t *self);
+static void mp_machine_i2s_init_helper(machine_i2s_obj_t *self, mp_arg_val_t *args);
+static machine_i2s_obj_t *mp_machine_i2s_make_new_instance(mp_int_t i2s_id);
+static void mp_machine_i2s_deinit(machine_i2s_obj_t *self);
+static void mp_machine_i2s_irq_update(machine_i2s_obj_t *self);
// The port provides implementations of the above in this file.
#include MICROPY_PY_MACHINE_I2S_INCLUDEFILE
@@ -135,14 +135,14 @@ STATIC void mp_machine_i2s_irq_update(machine_i2s_obj_t *self);
// - Sequential atomic operations
// One byte of capacity is used to detect buffer empty/full
-STATIC void ringbuf_init(ring_buf_t *rbuf, uint8_t *buffer, size_t size) {
+static void ringbuf_init(ring_buf_t *rbuf, uint8_t *buffer, size_t size) {
rbuf->buffer = buffer;
rbuf->size = size;
rbuf->head = 0;
rbuf->tail = 0;
}
-STATIC bool ringbuf_push(ring_buf_t *rbuf, uint8_t data) {
+static bool ringbuf_push(ring_buf_t *rbuf, uint8_t data) {
size_t next_tail = (rbuf->tail + 1) % rbuf->size;
if (next_tail != rbuf->head) {
@@ -155,7 +155,7 @@ STATIC bool ringbuf_push(ring_buf_t *rbuf, uint8_t data) {
return false;
}
-STATIC bool ringbuf_pop(ring_buf_t *rbuf, uint8_t *data) {
+static bool ringbuf_pop(ring_buf_t *rbuf, uint8_t *data) {
if (rbuf->head == rbuf->tail) {
// empty
return false;
@@ -166,23 +166,23 @@ STATIC bool ringbuf_pop(ring_buf_t *rbuf, uint8_t *data) {
return true;
}
-STATIC bool ringbuf_is_empty(ring_buf_t *rbuf) {
+static bool ringbuf_is_empty(ring_buf_t *rbuf) {
return rbuf->head == rbuf->tail;
}
-STATIC bool ringbuf_is_full(ring_buf_t *rbuf) {
+static bool ringbuf_is_full(ring_buf_t *rbuf) {
return ((rbuf->tail + 1) % rbuf->size) == rbuf->head;
}
-STATIC size_t ringbuf_available_data(ring_buf_t *rbuf) {
+static size_t ringbuf_available_data(ring_buf_t *rbuf) {
return (rbuf->tail - rbuf->head + rbuf->size) % rbuf->size;
}
-STATIC size_t ringbuf_available_space(ring_buf_t *rbuf) {
+static size_t ringbuf_available_space(ring_buf_t *rbuf) {
return rbuf->size - ringbuf_available_data(rbuf) - 1;
}
-STATIC uint32_t fill_appbuf_from_ringbuf(machine_i2s_obj_t *self, mp_buffer_info_t *appbuf) {
+static uint32_t fill_appbuf_from_ringbuf(machine_i2s_obj_t *self, mp_buffer_info_t *appbuf) {
// copy audio samples from the ring buffer to the app buffer
// loop, copying samples until the app buffer is filled
@@ -247,7 +247,7 @@ exit:
}
// function is used in IRQ context
-STATIC void fill_appbuf_from_ringbuf_non_blocking(machine_i2s_obj_t *self) {
+static void fill_appbuf_from_ringbuf_non_blocking(machine_i2s_obj_t *self) {
// attempt to copy a block of audio samples from the ring buffer to the supplied app buffer.
// audio samples will be formatted as part of the copy operation
@@ -288,7 +288,7 @@ STATIC void fill_appbuf_from_ringbuf_non_blocking(machine_i2s_obj_t *self) {
}
}
-STATIC uint32_t copy_appbuf_to_ringbuf(machine_i2s_obj_t *self, mp_buffer_info_t *appbuf) {
+static uint32_t copy_appbuf_to_ringbuf(machine_i2s_obj_t *self, mp_buffer_info_t *appbuf) {
// copy audio samples from the app buffer to the ring buffer
// loop, reading samples until the app buffer is emptied
@@ -319,7 +319,7 @@ STATIC uint32_t copy_appbuf_to_ringbuf(machine_i2s_obj_t *self, mp_buffer_info_t
}
// function is used in IRQ context
-STATIC void copy_appbuf_to_ringbuf_non_blocking(machine_i2s_obj_t *self) {
+static void copy_appbuf_to_ringbuf_non_blocking(machine_i2s_obj_t *self) {
// copy audio samples from app buffer into ring buffer
uint32_t num_bytes_remaining_to_copy = self->non_blocking_descriptor.appbuf.len - self->non_blocking_descriptor.index;
@@ -341,7 +341,7 @@ STATIC void copy_appbuf_to_ringbuf_non_blocking(machine_i2s_obj_t *self) {
#endif // MICROPY_PY_MACHINE_I2S_RING_BUF
-MP_NOINLINE STATIC void machine_i2s_init_helper(machine_i2s_obj_t *self, size_t n_pos_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+MP_NOINLINE static void machine_i2s_init_helper(machine_i2s_obj_t *self, size_t n_pos_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_sck, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ MP_QSTR_ws, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
@@ -362,7 +362,7 @@ MP_NOINLINE STATIC void machine_i2s_init_helper(machine_i2s_obj_t *self, size_t
mp_machine_i2s_init_helper(self, args);
}
-STATIC void machine_i2s_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
+static void machine_i2s_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
machine_i2s_obj_t *self = MP_OBJ_TO_PTR(self_in);
mp_printf(print, "I2S(id=%u,\n"
"sck="MP_HAL_PIN_FMT ",\n"
@@ -387,7 +387,7 @@ STATIC void machine_i2s_print(const mp_print_t *print, mp_obj_t self_in, mp_prin
);
}
-STATIC mp_obj_t machine_i2s_make_new(const mp_obj_type_t *type, size_t n_pos_args, size_t n_kw_args, const mp_obj_t *args) {
+static mp_obj_t machine_i2s_make_new(const mp_obj_type_t *type, size_t n_pos_args, size_t n_kw_args, const mp_obj_t *args) {
mp_arg_check_num(n_pos_args, n_kw_args, 1, MP_OBJ_FUN_ARGS_MAX, true);
mp_int_t i2s_id = mp_obj_get_int(args[0]);
@@ -401,24 +401,24 @@ STATIC mp_obj_t machine_i2s_make_new(const mp_obj_type_t *type, size_t n_pos_arg
}
// I2S.init(...)
-STATIC mp_obj_t machine_i2s_init(size_t n_pos_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+static mp_obj_t machine_i2s_init(size_t n_pos_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
machine_i2s_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
mp_machine_i2s_deinit(self);
machine_i2s_init_helper(self, n_pos_args - 1, pos_args + 1, kw_args);
return mp_const_none;
}
-STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_i2s_init_obj, 1, machine_i2s_init);
+static MP_DEFINE_CONST_FUN_OBJ_KW(machine_i2s_init_obj, 1, machine_i2s_init);
// I2S.deinit()
-STATIC mp_obj_t machine_i2s_deinit(mp_obj_t self_in) {
+static mp_obj_t machine_i2s_deinit(mp_obj_t self_in) {
machine_i2s_obj_t *self = MP_OBJ_TO_PTR(self_in);
mp_machine_i2s_deinit(self);
return mp_const_none;
}
-STATIC MP_DEFINE_CONST_FUN_OBJ_1(machine_i2s_deinit_obj, machine_i2s_deinit);
+static MP_DEFINE_CONST_FUN_OBJ_1(machine_i2s_deinit_obj, machine_i2s_deinit);
// I2S.irq(handler)
-STATIC mp_obj_t machine_i2s_irq(mp_obj_t self_in, mp_obj_t handler) {
+static mp_obj_t machine_i2s_irq(mp_obj_t self_in, mp_obj_t handler) {
machine_i2s_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (handler != mp_const_none && !mp_obj_is_callable(handler)) {
mp_raise_ValueError(MP_ERROR_TEXT("invalid callback"));
@@ -436,11 +436,11 @@ STATIC mp_obj_t machine_i2s_irq(mp_obj_t self_in, mp_obj_t handler) {
return mp_const_none;
}
-STATIC MP_DEFINE_CONST_FUN_OBJ_2(machine_i2s_irq_obj, machine_i2s_irq);
+static MP_DEFINE_CONST_FUN_OBJ_2(machine_i2s_irq_obj, machine_i2s_irq);
// Shift() is typically used as a volume control.
// shift=1 increases volume by 6dB, shift=-1 decreases volume by 6dB
-STATIC mp_obj_t machine_i2s_shift(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+static mp_obj_t machine_i2s_shift(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_buf, ARG_bits, ARG_shift};
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_buf, MP_ARG_REQUIRED | MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
@@ -497,10 +497,10 @@ STATIC mp_obj_t machine_i2s_shift(size_t n_args, const mp_obj_t *pos_args, mp_ma
return mp_const_none;
}
-STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_i2s_shift_fun_obj, 0, machine_i2s_shift);
-STATIC MP_DEFINE_CONST_STATICMETHOD_OBJ(machine_i2s_shift_obj, MP_ROM_PTR(&machine_i2s_shift_fun_obj));
+static MP_DEFINE_CONST_FUN_OBJ_KW(machine_i2s_shift_fun_obj, 0, machine_i2s_shift);
+static MP_DEFINE_CONST_STATICMETHOD_OBJ(machine_i2s_shift_obj, MP_ROM_PTR(&machine_i2s_shift_fun_obj));
-STATIC const mp_rom_map_elem_t machine_i2s_locals_dict_table[] = {
+static const mp_rom_map_elem_t machine_i2s_locals_dict_table[] = {
// Methods
{ MP_ROM_QSTR(MP_QSTR_init), MP_ROM_PTR(&machine_i2s_init_obj) },
{ MP_ROM_QSTR(MP_QSTR_readinto), MP_ROM_PTR(&mp_stream_readinto_obj) },
@@ -522,7 +522,7 @@ STATIC const mp_rom_map_elem_t machine_i2s_locals_dict_table[] = {
};
MP_DEFINE_CONST_DICT(machine_i2s_locals_dict, machine_i2s_locals_dict_table);
-STATIC mp_uint_t machine_i2s_stream_read(mp_obj_t self_in, void *buf_in, mp_uint_t size, int *errcode) {
+static mp_uint_t machine_i2s_stream_read(mp_obj_t self_in, void *buf_in, mp_uint_t size, int *errcode) {
machine_i2s_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (self->mode != MICROPY_PY_MACHINE_I2S_CONSTANT_RX) {
@@ -570,7 +570,7 @@ STATIC mp_uint_t machine_i2s_stream_read(mp_obj_t self_in, void *buf_in, mp_uint
}
}
-STATIC mp_uint_t machine_i2s_stream_write(mp_obj_t self_in, const void *buf_in, mp_uint_t size, int *errcode) {
+static mp_uint_t machine_i2s_stream_write(mp_obj_t self_in, const void *buf_in, mp_uint_t size, int *errcode) {
machine_i2s_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (self->mode != MICROPY_PY_MACHINE_I2S_CONSTANT_TX) {
@@ -612,7 +612,7 @@ STATIC mp_uint_t machine_i2s_stream_write(mp_obj_t self_in, const void *buf_in,
}
}
-STATIC mp_uint_t machine_i2s_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_t arg, int *errcode) {
+static mp_uint_t machine_i2s_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_t arg, int *errcode) {
machine_i2s_obj_t *self = MP_OBJ_TO_PTR(self_in);
mp_uint_t ret;
uintptr_t flags = arg;
@@ -678,7 +678,7 @@ STATIC mp_uint_t machine_i2s_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_
return ret;
}
-STATIC const mp_stream_p_t i2s_stream_p = {
+static const mp_stream_p_t i2s_stream_p = {
.read = machine_i2s_stream_read,
.write = machine_i2s_stream_write,
.ioctl = machine_i2s_ioctl,
generated by cgit v1.2.3 (git 2.46.0) at 2025-11-09 00:46:10 +0000