feat(esp32c3): Support ESP32C3

Makefile

@@ -39,6 +39,11 @@ ifeq ($(SOC), esp32)
 SDKCONFIG_RMS := CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ \
                  CONFIG_ESP32_TRACEMEM_RESERVE_DRAM \
                  CONFIG_PTHREAD_STACK_MIN
+else
+ifeq ($(SOC), esp32c3)
+SDKCONFIG_RMS := CONFIG_ESP32C3_DEFAULT_CPU_FREQ_MHZ \
+                 CONFIG_PTHREAD_STACK_MIN
+endif
 endif
 
 # Libs

include/esp32c3/phy_init_data.h

@@ -0,0 +1,185 @@
+// Copyright 2016-2020 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.
+
+#ifndef PHY_INIT_DATA_H
+#define PHY_INIT_DATA_H /* don't use #pragma once here, we compile this file sometimes */
+#include "esp_phy_init.h"
+#include "sdkconfig.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// constrain a value between 'low' and 'high', inclusive
+#define LIMIT(val, low, high) ((val < low) ? low : (val > high) ? high : val)
+
+#define PHY_INIT_MAGIC "PHYINIT"
+
+// define the lowest tx power as LOWEST_PHY_TX_POWER
+#define PHY_TX_POWER_LOWEST LIMIT(CONFIG_ESP32_PHY_MAX_TX_POWER * 4, 0, 52)
+#define PHY_TX_POWER_OFFSET 44
+#define PHY_TX_POWER_NUM    5
+
+#if CONFIG_ESP32_SUPPORT_MULTIPLE_PHY_INIT_DATA_BIN
+#define PHY_CRC_ALGORITHM 1
+#define PHY_COUNTRY_CODE_LEN 2
+#define PHY_INIT_DATA_TYPE_OFFSET 126
+#define PHY_SUPPORT_MULTIPLE_BIN_OFFSET 125
+#endif
+
+static const char phy_init_magic_pre[] = PHY_INIT_MAGIC;
+
+/**
+ * @brief Structure containing default recommended PHY initialization parameters.
+ */
+static const esp_phy_init_data_t phy_init_data= { {
+        3,
+        3,
+        0x05,
+        0x09,
+        0x06,
+        0x05,
+        0x03,
+        0x06,
+        0x05,
+        0x04,
+        0x06,
+        0x04,
+        0x05,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0x05,
+        0x09,
+        0x06,
+        0x05,
+        0x03,
+        0x06,
+        0x05,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0xfc,
+        0xfc,
+        0xfe,
+        0xf0,
+        0xf0,
+        0xf0,
+        0xe0,
+        0xe0,
+        0xe0,
+        0x18,
+        0x18,
+        0x18,
+        LIMIT(CONFIG_ESP32_PHY_MAX_TX_POWER * 4, 0, 84),
+        LIMIT(CONFIG_ESP32_PHY_MAX_TX_POWER * 4, 0, 72),
+        LIMIT(CONFIG_ESP32_PHY_MAX_TX_POWER * 4, 0, 66),
+        LIMIT(CONFIG_ESP32_PHY_MAX_TX_POWER * 4, 0, 60),
+        LIMIT(CONFIG_ESP32_PHY_MAX_TX_POWER * 4, 0, 56),
+        LIMIT(CONFIG_ESP32_PHY_MAX_TX_POWER * 4, 0, 52),
+        0,
+        1,
+        1,
+        2,
+        2,
+        3,
+        4,
+        5,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+} };
+
+static const char phy_init_magic_post[] = PHY_INIT_MAGIC;
+
+#if CONFIG_ESP32_SUPPORT_MULTIPLE_PHY_INIT_DATA_BIN
+/**
+ * @brief PHY init data control infomation structure
+ */
+typedef struct {
+    uint8_t control_info_checksum[4];     /*!< 4-byte control infomation checksum */
+    uint8_t multiple_bin_checksum[4];     /*!< 4-byte multiple bin checksum */
+    uint8_t check_algorithm;              /*!< check algorithm */
+    uint8_t version;                      /*!< PHY init data bin version */
+    uint8_t number;                       /*!< PHY init data bin number */
+    uint8_t length[2];                    /*!< Length of each PHY init data bin */
+    uint8_t reserved[19];                 /*!< 19-byte reserved  */
+} __attribute__ ((packed)) phy_control_info_data_t;
+
+/**
+ * @brief Country corresponds to PHY init data type structure
+ */
+typedef struct {
+    char cc[PHY_COUNTRY_CODE_LEN];
+    uint8_t type;
+} phy_country_to_bin_type_t;
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PHY_INIT_DATA_H */