system: reset dma when soft reset

components/driver/esp32c3/adc2_init_cal.c

@@ -0,0 +1,39 @@
+// Copyright 2016-2018 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/* This file is used to get `adc2_init_code_calibration` executed before the APP when the ADC2 is used by Wi-Fi or other drivers.
+The linker will link constructor (adc2_init_code_calibration) only when any sections inside the same file (adc2_cal_include) is used.
+Don't put any other code into this file. */
+
+#include "adc2_wifi_private.h"
+#include "hal/adc_hal.h"
+#include "adc_cali.h"
+
+/**
+ * @brief Set initial code to ADC2 after calibration. ADC2 RTC and ADC2 PWDET controller share the initial code.
+ *        This API be called in before `app_main()`.
+ */
+static __attribute__((constructor)) void adc2_init_code_calibration(void)
+{
+    const adc_ll_num_t adc_n = ADC_NUM_2;
+    const adc_atten_t atten = ADC_ATTEN_DB_11;
+    const adc_channel_t channel = 0;
+    adc_cal_offset(adc_n, channel, atten);
+}
+
+/** Don't call `adc2_cal_include` in user code. */
+void adc2_cal_include(void)
+{
+    /* When this empty function is called, the `adc2_init_code_calibration` constructor will be linked and executed before the app.*/
+}