remove DSP demo

Author: timchinowsky

ports/raspberrypi/bindings/rp2pio/StateMachine.c

@@ -1090,43 +1090,6 @@ MP_DEFINE_CONST_FUN_OBJ_1(rp2pio_statemachine_get_last_write_obj, rp2pio_statema
 MP_PROPERTY_GETTER(rp2pio_statemachine_last_write_obj,
     (mp_obj_t)&rp2pio_statemachine_get_last_write_obj);
 
-static mp_obj_t rp2pio_statemachine_process(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
-    enum { ARG_target, ARG_parameters, ARG_input };
-    static const mp_arg_t allowed_args[] = {
-        { MP_QSTR_target,     MP_ARG_OBJ, {.u_obj = mp_const_none} },
-        { MP_QSTR_parameters,     MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = mp_const_none} },
-        { MP_QSTR_input,    MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = mp_const_none} },
-    };
-    rp2pio_statemachine_obj_t *self = MP_OBJ_TO_PTR(pos_args[0]);
-    check_for_deinit(self);
-    mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
-    mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
-
-    size_t stride_in_bytes = 0;
-    sm_buf_info target_buf_info, parameters_buf_info, input_buf_info;
-
-    fill_buf_info(&target_buf_info, args[ARG_target].u_obj, &stride_in_bytes, MP_BUFFER_WRITE);
-    fill_buf_info(&parameters_buf_info, args[ARG_parameters].u_obj, &stride_in_bytes, MP_BUFFER_WRITE);
-    fill_buf_info(&input_buf_info, args[ARG_input].u_obj, &stride_in_bytes, MP_BUFFER_WRITE);
-
-    if (!stride_in_bytes) {
-        return mp_const_none;
-    }
-
-    bool ok = common_hal_rp2pio_statemachine_process(self, stride_in_bytes, &target_buf_info, &parameters_buf_info, &input_buf_info);
-
-    if (mp_hal_is_interrupted()) {
-        return mp_const_none;
-    }
-    if (!ok) {
-        mp_raise_OSError(MP_EIO);
-    }
-    return mp_const_none;
-}
-MP_DEFINE_CONST_FUN_OBJ_KW(rp2pio_statemachine_process_obj, 1, rp2pio_statemachine_process);
-
-
-
 static const mp_rom_map_elem_t rp2pio_statemachine_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_deinit), MP_ROM_PTR(&rp2pio_statemachine_deinit_obj) },
     { MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&default___enter___obj) },
@@ -1166,8 +1129,6 @@ static const mp_rom_map_elem_t rp2pio_statemachine_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_last_read), MP_ROM_PTR(&rp2pio_statemachine_last_read_obj) },
     { MP_ROM_QSTR(MP_QSTR_last_write), MP_ROM_PTR(&rp2pio_statemachine_last_write_obj) },
 
-    { MP_ROM_QSTR(MP_QSTR_process), MP_ROM_PTR(&rp2pio_statemachine_process_obj) },
-
 };
 static MP_DEFINE_CONST_DICT(rp2pio_statemachine_locals_dict, rp2pio_statemachine_locals_dict_table);
 

ports/raspberrypi/bindings/rp2pio/StateMachine.h

@@ -91,6 +91,3 @@ mp_obj_t common_hal_rp2pio_statemachine_get_rxfifo(rp2pio_statemachine_obj_t *se
 
 mp_obj_t common_hal_rp2pio_statemachine_get_last_read(rp2pio_statemachine_obj_t *self);
 mp_obj_t common_hal_rp2pio_statemachine_get_last_write(rp2pio_statemachine_obj_t *self);
-
-bool common_hal_rp2pio_statemachine_process(rp2pio_statemachine_obj_t *self, uint8_t stride_in_bytes,
-    sm_buf_info *target_buf_info, sm_buf_info *parameters_buf_info, sm_buf_info *input_buf_info);

ports/raspberrypi/common-hal/rp2pio/StateMachine.c

@@ -1426,54 +1426,6 @@ mp_obj_t common_hal_rp2pio_statemachine_get_last_write(rp2pio_statemachine_obj_t
     return mp_const_empty_bytes;
 }
 
-bool common_hal_rp2pio_statemachine_process(rp2pio_statemachine_obj_t *self, uint8_t stride_in_bytes,
-    sm_buf_info *target_buf_info, sm_buf_info *parameters_buf_info, sm_buf_info *input_buf_info) {
-    if (parameters_buf_info->info.len > 2) {
-        if (stride_in_bytes == 2) {
-            int16_t op = ((int16_t *)parameters_buf_info->info.buf)[0];
-            int16_t *target;
-            target = (int16_t *)target_buf_info->info.buf;
-
-            switch (op) {
-                case 1: // multiply
-                    int16_t *factor;
-                    uint16_t *factor_index;
-                    size_t factor_samples;
-                    factor_samples = (parameters_buf_info->info.len - (2 * stride_in_bytes)) / stride_in_bytes;
-                    factor_index = ((uint16_t *)(parameters_buf_info->info.buf)) + 1;
-                    factor = ((int16_t *)(parameters_buf_info->info.buf)) + 2;
-                    for (size_t i = 0; i < (target_buf_info->info.len / stride_in_bytes); i++) {
-                        target[i] = ((int32_t)target[i] * (int32_t)factor[*factor_index]) >> 16;
-                        (*factor_index)++;
-                        if (*factor_index >= factor_samples) {
-                            *factor_index = 0;
-                        }
-                    }
-                    break;
-
-                case 2: // echo
-                    int16_t *memory;
-                    uint16_t *memory_index;
-                    size_t memory_samples;
-                    memory_samples = (parameters_buf_info->info.len - (2 * stride_in_bytes)) / stride_in_bytes;
-                    memory_index = ((uint16_t *)(parameters_buf_info->info.buf)) + 1;
-                    memory = ((int16_t *)(parameters_buf_info->info.buf)) + 2;
-                    for (size_t i = 0; i < (target_buf_info->info.len / stride_in_bytes); i++) {
-                        target[i] = (target[i] + (memory[*memory_index] >> 1)) >> 1; // fixed 50% decay for now
-                        memory[*memory_index] = target[i];
-                        (*memory_index)++;
-                        if (*memory_index >= memory_samples) {
-                            *memory_index = 0;
-                        }
-                    }
-                    break;
-            }
-        }
-    }
-    return 1;
-}
-
-
 
 // Use a compile-time constant for MP_REGISTER_POINTER so the preprocessor will
 // not split the expansion across multiple lines.