73 lines
2.6 KiB
C
73 lines
2.6 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2022 microDev
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "shared-bindings/coproc/__init__.h"
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#include "py/runtime.h"
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#if defined(CONFIG_IDF_TARGET_ESP32S2)
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#include "esp32s2/ulp.h"
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#include "esp32s2/ulp_riscv.h"
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#elif defined(CONFIG_IDF_TARGET_ESP32S3)
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#include "esp32s3/ulp.h"
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#include "esp32s3/ulp_riscv.h"
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#endif
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// To-do idf v5.0: remove following include
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#include "soc/rtc_cntl_reg.h"
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void common_hal_coproc_run(coproc_coproc_obj_t *self) {
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if (GET_PERI_REG_MASK(RTC_CNTL_ULP_CP_TIMER_REG, RTC_CNTL_ULP_CP_SLP_TIMER_EN)) {
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mp_raise_RuntimeError(translate("Already running"));
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}
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ulp_riscv_load_binary(self->buf, self->buf_len);
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m_free(self->buf);
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self->buf = (uint8_t *)RTC_SLOW_MEM;
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ulp_riscv_run();
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}
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void common_hal_coproc_halt(coproc_coproc_obj_t *self) {
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self->buf = (uint8_t *)m_malloc(self->buf_len, false);
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memcpy(self->buf, (uint8_t *)RTC_SLOW_MEM, self->buf_len);
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// To-do idf v5.0: use following functions
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// ulp_riscv_timer_stop();
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// ulp_riscv_halt();
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// stop the ulp timer
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CLEAR_PERI_REG_MASK(RTC_CNTL_ULP_CP_TIMER_REG, RTC_CNTL_ULP_CP_SLP_TIMER_EN);
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// suspends the ulp operation
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SET_PERI_REG_MASK(RTC_CNTL_COCPU_CTRL_REG, RTC_CNTL_COCPU_DONE);
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// resets the processor
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SET_PERI_REG_MASK(RTC_CNTL_COCPU_CTRL_REG, RTC_CNTL_COCPU_SHUT_RESET_EN);
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}
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mp_obj_t common_hal_coproc_memory(coproc_coproc_obj_t *self) {
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return (self->coproc_memory) ? MP_OBJ_FROM_PTR(self->coproc_memory) : mp_const_none;
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}
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