add biometry sdk + rust scaffolds

Cargo.toml

@@ -48,6 +48,11 @@ component_dirs = "src/wireguard/esp_wireguard"
 bindings_header = "src/wireguard/bindings.h"
 bindings_module = "wg"
 
+[[package.metadata.esp-idf-sys.extra_components]]
+component_dirs = "src/biometry/BMLite"
+bindings_header = "src/biometry/bindings.h"
+bindings_module = "bmlite"
+
 [package.metadata.esp-idf-sys]
 esp_idf_sdkconfig="sdkconfig"
 

src/biometry/BMLite/CMakeLists.txt

@@ -0,0 +1,9 @@
+idf_component_register(
+    SRCS "src/bmlite_if.c"
+         "src/esp_hal.c"
+         "src/fpc_crc.c"
+         "src/hcp_tiny.c"
+         "src/platform.c"
+    INCLUDE_DIRS "include"
+    PRIV_INCLUDE_DIRS "src"
+    REQUIRES driver freertos esp_timer)

src/biometry/BMLite/include/bmlite_hal.h

@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2020 Andrey Perminov <[email protected]>
+ *
+ * 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
+ *
+ *   https://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.
+ */
+
+/**
+ * @file   bmlite_hal.h
+ * @brief  BM-Lite HAL functions.
+ * 
+ *    All functions must be implemented in order to support BM-Lite on a Board
+ */
+
+#ifndef BMLITE_H
+#define BMLITE_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "fpc_bep_types.h"
+
+#ifdef __arm__
+typedef uint32_t hal_tick_t;
+#else 
+typedef uint64_t hal_tick_t;
+#endif
+
+/**
+ * @brief LED status.
+ *
+ * Different LED status.
+ */
+typedef enum {
+    BMLITE_LED_STATUS_READY = 0,
+    BMLITE_LED_STATUS_MATCH,
+    BMLITE_LED_STATUS_WAITTOUCH,
+    BMLITE_LED_STATUS_ENROLL,
+    BMLITE_LED_STATUS_DELETE_TEMPLATES,
+    BMLITE_LED_STATUS_ERROR,
+} platform_led_status_t;
+
+
+/*
+ * @brief Board initialization
+ * @param[in] params  - pointer to additional parameters
+ */
+
+fpc_bep_result_t hal_board_init(void *params);
+
+/*
+ * @brief Control BM-Lite Reset pin
+ * @param[in] True  - Activate RESET
+ *            False - Deactivate RESET
+ */
+void hal_bmlite_reset(bool state);
+
+/*
+ * @brief SPI write-read
+ * @param[in] Write buffer
+ * @param[in] Read buffer
+ * @param[in] Size
+ * @param[in] Leave CS asserted
+ * @return ::fpc_bep_result_t
+ */
+fpc_bep_result_t hal_bmlite_spi_write_read(uint8_t *write, uint8_t *read, size_t size,
+        bool leave_cs_asserted);
+
+/*
+ * @brief UART write
+ * @param[in] Write buffer
+ * @param[in] Size
+ * @return ::size_t Number of bytes actually written
+ */
+size_t hal_bmlite_uart_write(const uint8_t *data, size_t size);
+
+/*
+ * @brief UART read
+ * @param[in] Read buffer
+ * @param[in] Size
+ * @return ::size_t Number of butes actually read
+ */
+size_t hal_bmlite_uart_read(uint8_t *buff, size_t size);
+
+/*
+ * @brief Check if BM-Lite IRQ pin is set
+ * @return ::bool
+ */
+bool hal_bmlite_get_status(void);
+
+/**
+ * @brief Initializes timebase. Starts system tick counter.
+ */
+void hal_timebase_init(void);
+
+/**
+ * @brief Reads the system tick counter.
+ *
+ * @return Tick count since hal_timebase_init() call. [ms]
+ */
+hal_tick_t hal_timebase_get_tick(void);
+
+/**
+ * @brief Busy wait.
+ *
+ * @param[in] ms  Time to wait [ms].
+ * 0 => return immediately
+ * 1 => wait at least 1ms etc.
+ */
+void hal_timebase_busy_wait(uint32_t ms);
+
+/**
+ *  Optional functions for Buttons & Leds control
+ */
+
+/**
+ * @brief Get button press time (msec)
+ * 
+ * @return ::uint32_t
+ */
+uint32_t hal_get_button_press_time(void);
+
+/**
+ * @brief Check if button was pressed and released.
+ *
+ * @return Button press time in milli seconds.
+ */
+uint32_t hal_check_button_pressed(void);
+
+/**
+ * @brief Set LED(s) status
+ * @param[in] Status
+ * @param[in] Status modifier
+ */
+void hal_set_leds(platform_led_status_t status, uint16_t mode);
+
+
+#endif /* BMLITE_H */