2020-08-18 Add RFID_RC522 for ESP32

20_RFID_rc522/CMakeLists.txt

@@ -0,0 +1,10 @@
+# The following lines of boilerplate have to be in your project's CMakeLists
+# in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.5)
+
+set(EXTRA_COMPONENTS_DIRS "./components")
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+project(lcd)
+
+

20_RFID_rc522/Makefile

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+#
+# This is a project Makefile. It is assumed the directory this Makefile resides in is a
+# project subdirectory.
+#
+
+PROJECT_NAME := lcd
+
+include $(IDF_PATH)/make/project.mk
+

20_RFID_rc522/README_cn.md

@@ -0,0 +1,13 @@
+# RFID-RC522 ESP32示范
+
+此工程展示了 ESP32 驱动 RFID-RC522 的驱动示范！
+
+IDF工程：`origin/release/v4.2`
+
+commit：`cd4fa46f5372a552a67452313d246d4d09d2b39f`
+
+* ESP32 -- RC522连接
+
+RC522|MISO|MOSI|SCK|SDA
+ ---|---| ---|---| ---
+ ESP32 |GPIO25|GPIO23|GPIO19|GPIO22

20_RFID_rc522/components/RC522/CMakeLists.txt

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+set(COMPONENT_SRCS "rc522.c")
+set(COMPONENT_ADD_INCLUDEDIRS "include")
+
+register_component()

20_RFID_rc522/components/RC522/component.mk

@@ -0,0 +1,5 @@
+#
+# "main" pseudo-component makefile.
+#
+# (Uses default behaviour of compiling all source files in directory, adding 'include' to include path.)
+

20_RFID_rc522/components/RC522/include/rc522.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "driver/spi_master.h"
+#include "driver/spi_common_internal.h"
+
+typedef void(*rc522_tag_callback_t)(uint8_t*);
+
+typedef struct {
+    int miso_io;
+    int mosi_io;
+    int sck_io;
+    int sda_io;
+    rc522_tag_callback_t callback;
+} rc522_start_args_t;
+
+esp_err_t rc522_spi_init(int miso_io, int mosi_io, int sck_io, int sda_io);
+esp_err_t rc522_write_n(uint8_t addr, uint8_t n, uint8_t *data);
+esp_err_t rc522_write(uint8_t addr , uint8_t val);
+uint8_t* rc522_read_n(uint8_t addr, uint8_t n) ;
+uint8_t rc522_read(uint8_t addr);
+#define rc522_fw_version() rc522_read(0x37)
+esp_err_t rc522_init();
+
+esp_err_t rc522_set_bitmask(uint8_t addr, uint8_t mask);
+esp_err_t rc522_clear_bitmask(uint8_t addr, uint8_t mask);
+esp_err_t rc522_antenna_on();
+uint8_t* rc522_calculate_crc(uint8_t *data, uint8_t n);
+uint8_t* rc522_card_write(uint8_t cmd, uint8_t *data, uint8_t n, uint8_t* res_n);
+uint8_t* rc522_request(uint8_t* res_n);
+uint8_t* rc522_anticoll();
+uint8_t* rc522_get_tag();
+esp_err_t rc522_start(rc522_start_args_t start_args);
+esp_err_t rc522_resume();
+esp_err_t rc522_pause();
+
+#ifdef __cplusplus
+}
+#endif