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feat(firmware): add MFRC522 driver implementation and configuration

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This commit is contained in:
Timothy Yin
2025-11-24 11:40:57 +08:00
parent c0c32cb9a7
commit a54bd62491
6 changed files with 315 additions and 65 deletions
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142
hardware/firmware/lib/mfrc522_driver/mfrc522.c Normal file
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@@ -0,0 +1,142 @@
#include "mfrc522.h"
#include "driver/gpio.h"
#include "esp_log.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include <stdlib.h>
#include <string.h>
static const char *TAG = "MFRC522";
#define SPI_MASTER_FREQ_HZ 1000000 // 1MHz
mfrc522_handle_t* mfrc522_init(int sck_pin, int mosi_pin, int miso_pin, int cs_pin, int rst_pin)
{
mfrc522_handle_t *handle = (mfrc522_handle_t *)malloc(sizeof(mfrc522_handle_t));
if (!handle) {
ESP_LOGE(TAG, "Failed to allocate memory");
return NULL;
}
// 配置 RST 引脚
gpio_config_t io_conf = {
.pin_bit_mask = (1ULL << rst_pin),
.mode = GPIO_MODE_OUTPUT,
.pull_up_en = GPIO_PULLUP_DISABLE,
.pull_down_en = GPIO_PULLDOWN_DISABLE,
.intr_type = GPIO_INTR_DISABLE
};
gpio_config(&io_conf);
gpio_set_level(rst_pin, 1);
// 配置 SPI
spi_bus_config_t buscfg = {
.miso_io_num = miso_pin,
.mosi_io_num = mosi_pin,
.sclk_io_num = sck_pin,
.quadwp_io_num = -1,
.quadhd_io_num = -1,
.max_transfer_sz = 4096,
};
spi_device_interface_config_t devcfg = {
.mode = 0,
.clock_speed_hz = SPI_MASTER_FREQ_HZ,
.spics_io_num = cs_pin,
.queue_size = 7,
};
esp_err_t ret = spi_bus_initialize(HSPI_HOST, &buscfg, SPI_DMA_CH_AUTO);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "Failed to initialize SPI bus");
free(handle);
return NULL;
}
ret = spi_bus_add_device(HSPI_HOST, &devcfg, &handle->spi);
if (ret != ESP_OK) {
ESP_LOGE(TAG, "Failed to add SPI device");
free(handle);
return NULL;
}
handle->uid_len = 0;
memset(handle->uid, 0, sizeof(handle->uid));
// 复位 MFRC522
mfrc522_reset(handle);
ESP_LOGI(TAG, "MFRC522 initialized successfully");
return handle;
}
void mfrc522_reset(mfrc522_handle_t *handle)
{
mfrc522_write_reg(handle, MFRC522_REG_COMMAND, MFRC522_CMD_RESETPHASE);
vTaskDelay(pdMS_TO_TICKS(50));
// 初始化寄存器
mfrc522_write_reg(handle, MFRC522_REG_MODE, 0x3D); // CRC初始值
mfrc522_write_reg(handle, MFRC522_REG_TX_CONTROL, 0x83); // 打开TX1和TX2输出
mfrc522_write_reg(handle, MFRC522_REG_TX_AUTO, 0x40); // 自动 RF 开启
mfrc522_write_reg(handle, MFRC522_REG_COMMAND, MFRC522_CMD_IDLE);
}
void mfrc522_write_reg(mfrc522_handle_t *handle, uint8_t reg, uint8_t val)
{
uint8_t tx_data[2];
tx_data[0] = ((reg << 1) & 0x7E) | 0x00; // 写操作
tx_data[1] = val;
spi_transaction_t t = {
.length = 16,
.tx_buffer = tx_data,
};
spi_device_transmit(handle->spi, &t);
}
uint8_t mfrc522_read_reg(mfrc522_handle_t *handle, uint8_t reg)
{
uint8_t tx_data[2] = {0};
uint8_t rx_data[2] = {0};
tx_data[0] = ((reg << 1) & 0x7E) | 0x80; // 读操作
spi_transaction_t t = {
.length = 16,
.tx_buffer = tx_data,
.rx_buffer = rx_data,
};
spi_device_transmit(handle->spi, &t);
return rx_data[1];
}
uint8_t mfrc522_picc_is_new(mfrc522_handle_t *handle)
{
uint8_t status = mfrc522_read_reg(handle, MFRC522_REG_STATUS1);
return (status & 0x01); // 检查标签检测位
}
uint8_t mfrc522_picc_read_serial(mfrc522_handle_t *handle)
{
// 这是一个简化版本，实际实现需要完整的 Mifare 协议
// 这里仅作示例
handle->uid_len = 4;
return handle->uid_len;
}
void mfrc522_picc_halt_a(mfrc522_handle_t *handle)
{
mfrc522_write_reg(handle, MFRC522_REG_COMMAND, MFRC522_CMD_IDLE);
}
void mfrc522_deinit(mfrc522_handle_t *handle)
{
if (handle) {
spi_bus_remove_device(handle->spi);
spi_bus_free(HSPI_HOST);
free(handle);
}
}

120
hardware/firmware/lib/mfrc522_driver/mfrc522.h Normal file
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@@ -0,0 +1,120 @@
#ifndef MFRC522_H
#define MFRC522_H
#include <stdint.h>
#include <driver/spi_master.h>
#ifdef __cplusplus
extern "C" {
#endif
// MFRC522 SPI 命令
#define MFRC522_CMD_IDLE 0x00
#define MFRC522_CMD_AUTHENT 0x0E
#define MFRC522_CMD_RECEIVE 0x08
#define MFRC522_CMD_TRANSMIT 0x04
#define MFRC522_CMD_TRANSCEIVE 0x0C
#define MFRC522_CMD_RESETPHASE 0x0F
#define MFRC522_CMD_CALCCRC 0x03
// MFRC522 寄存器
#define MFRC522_REG_COMMAND 0x01
#define MFRC522_REG_COMM_IE_N 0x04
#define MFRC522_REG_DIV_IE_N 0x05
#define MFRC522_REG_COMM_IRQ 0x04
#define MFRC522_REG_DIV_IRQ 0x05
#define MFRC522_REG_ERROR 0x06
#define MFRC522_REG_STATUS1 0x07
#define MFRC522_REG_STATUS2 0x08
#define MFRC522_REG_FIFO_DATA 0x09
#define MFRC522_REG_FIFO_LEVEL 0x0A
#define MFRC522_REG_WATER_LEVEL 0x0B
#define MFRC522_REG_CONTROL 0x0C
#define MFRC522_REG_BITFRAMING 0x0D
#define MFRC522_REG_COLL 0x0E
#define MFRC522_REG_MODE 0x11
#define MFRC522_REG_TX_CONTROL 0x14
#define MFRC522_REG_TX_AUTO 0x15
#define MFRC522_REG_TX_SELREQ 0x16
#define MFRC522_REG_RX_SELREQ 0x17
#define MFRC522_REG_RX_THRESHOLD 0x18
#define MFRC522_REG_DEMOD 0x19
#define MFRC522_REG_MIFARE_TX 0x1C
#define MFRC522_REG_MIFARE_RX 0x1D
#define MFRC522_REG_SERIAL_SPEED 0x1F
#define MFRC522_REG_TIMER_MODE 0x2A
#define MFRC522_REG_TIMER_PRESCALER 0x2B
#define MFRC522_REG_TIMER_RELOAD_HI 0x2C
#define MFRC522_REG_TIMER_RELOAD_LO 0x2D
#define MFRC522_REG_TIMER_COUNTER_HI 0x2E
#define MFRC522_REG_TIMER_COUNTER_LO 0x2F
#define MFRC522_REG_TEST_SEN_SEL 0x38
#define MFRC522_REG_TEST_BUS 0x39
#define MFRC522_REG_AUTO_TEST 0x3A
#define MFRC522_REG_VERSION 0x37
// MFRC522 Mifare 命令
#define MFRC522_MIFARE_CMD_AUTH_KEY_A 0x60
#define MFRC522_MIFARE_CMD_AUTH_KEY_B 0x61
#define MFRC522_MIFARE_CMD_READ 0x30
#define MFRC522_MIFARE_CMD_WRITE 0xA0
#define MFRC522_PICC_CMD_SELECT_CL 0x93
#define MFRC522_PICC_CMD_HALT_A 0x50
typedef struct {
spi_device_handle_t spi;
uint8_t uid[10];
uint8_t uid_len;
} mfrc522_handle_t;
/**
* 初始化 MFRC522
* @param sck_pin SCK 引脚
* @param mosi_pin MOSI 引脚
* @param miso_pin MISO 引脚
* @param cs_pin CS 引脚
* @param rst_pin RST 引脚
* @return mfrc522_handle_t 指针
*/
mfrc522_handle_t* mfrc522_init(int sck_pin, int mosi_pin, int miso_pin, int cs_pin, int rst_pin);
/**
* 复位 MFRC522
*/
void mfrc522_reset(mfrc522_handle_t *handle);
/**
* 写寄存器
*/
void mfrc522_write_reg(mfrc522_handle_t *handle, uint8_t reg, uint8_t val);
/**
* 读寄存器
*/
uint8_t mfrc522_read_reg(mfrc522_handle_t *handle, uint8_t reg);
/**
* 检测卡片
*/
uint8_t mfrc522_picc_is_new(mfrc522_handle_t *handle);
/**
* 读卡 UID
*/
uint8_t mfrc522_picc_read_serial(mfrc522_handle_t *handle);
/**
* 停止与卡通信
*/
void mfrc522_picc_halt_a(mfrc522_handle_t *handle);
/**
* 关闭 MFRC522
*/
void mfrc522_deinit(mfrc522_handle_t *handle);
#ifdef __cplusplus
}
#endif
#endif // MFRC522_H

3
hardware/firmware/platformio.ini
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@@ -15,5 +15,6 @@ framework = espidf
lib_deps =
matth-x/MicroOcpp@^1.2.0
matth-x/MicroOcppMongoose@^1.2.0
build_flags = -DMO_PLATFORM=MO_PLATFORM_ESPIDF -DMO_MG_USE_VERSION=MO_MG_V715
roboticsbrno/SmartLeds@^3.1.5
build_flags = -DMO_PLATFORM=MO_PLATFORM_ESPIDF -DMO_MG_USE_VERSION=MO_MG_V715 -DCONFIG_RMT_ISR_IRAM_SAFE=1
board_build.partitions = partitions.csv

4
hardware/firmware/sdkconfig.rymcu-esp32-devkitc
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@@ -407,7 +407,7 @@ CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
# CONFIG_ESPTOOLPY_FLASHSIZE_64MB is not set
# CONFIG_ESPTOOLPY_FLASHSIZE_128MB is not set
CONFIG_ESPTOOLPY_FLASHSIZE="4MB"
CONFIG_ESPTOOLPY_HEADER_FLASHSIZE_UPDATE=y
# CONFIG_ESPTOOLPY_HEADER_FLASHSIZE_UPDATE is not set
CONFIG_ESPTOOLPY_BEFORE_RESET=y
# CONFIG_ESPTOOLPY_BEFORE_NORESET is not set
CONFIG_ESPTOOLPY_BEFORE="default_reset"
@@ -1445,7 +1445,7 @@ CONFIG_LWIP_MAX_SOCKETS=10
# CONFIG_LWIP_SO_LINGER is not set
CONFIG_LWIP_SO_REUSE=y
CONFIG_LWIP_SO_REUSE_RXTOALL=y
# CONFIG_LWIP_SO_RCVBUF is not set
CONFIG_LWIP_SO_RCVBUF=y
# CONFIG_LWIP_NETBUF_RECVINFO is not set
CONFIG_LWIP_IP_DEFAULT_TTL=64
CONFIG_LWIP_IP4_FRAG=y

8
hardware/firmware/src/config.h Normal file
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@@ -0,0 +1,8 @@
#define CFG_WIFI_SSID "MisakaNetwork"
#define CFG_WIFI_PASS "20211028"
#define CFG_WIFI_MAXIMUM_RETRY 5
#define CFG_OCPP_BACKEND "ws://192.168.1.100:8180/steve/websocket/CentralSystemService"
#define CFG_CP_IDENTIFIER "CP0001"
#define CFG_CP_MODAL "Helios DA One"
#define CFG_CP_VENDOR "RayineElec"
#define CFG_AUTHORIZATIONKEY "my_secret_key"

101
hardware/firmware/src/main.c → hardware/firmware/src/main.cpp
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@@ -1,13 +1,3 @@
// #include "esp_wifi.h"
// #include <MicroOcpp_c.h>
// void app_main() {}
/* Based on the ESP-IDF WiFi station Example (see https://github.com/espressif/esp-idf/tree/release/v4.4/examples/wifi/getting_started/station/main)
This example code extends the WiFi example with the necessary calls to establish an
OCPP connection on the ESP-IDF.
*/
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
@@ -21,22 +11,15 @@
#include "lwip/err.h"
#include "lwip/sys.h"
/* MicroOcpp includes */
#include <mongoose.h>
#include <MicroOcpp_c.h> //C-facade of MicroOcpp
#include <MicroOcppMongooseClient_c.h> //WebSocket integration for ESP-IDF
#include <MicroOcpp_c.h>
#include <MicroOcppMongooseClient_c.h>
/* The examples use WiFi configuration that you can set via project configuration menu
#include <SmartLeds.h>
If you'd rather not, just change the below entries to strings with
the config you want - ie #define EXAMPLE_WIFI_SSID "mywifissid"
*/
#define EXAMPLE_ESP_WIFI_SSID "MisakaNetwork"
#define EXAMPLE_ESP_WIFI_PASS "20211028"
#define EXAMPLE_ESP_MAXIMUM_RETRY 5
#define EXAMPLE_MO_OCPP_BACKEND "ws://192.168.1.100:8180/steve/websocket/CentralSystemService"
#define EXAMPLE_MO_CHARGEBOXID "CP0001"
#define EXAMPLE_MO_AUTHORIZATIONKEY "authkey123"
#include "mfrc522.h"
#include "config.h"
/* FreeRTOS event group to signal when we are connected*/
static EventGroupHandle_t s_wifi_event_group;
@@ -47,12 +30,16 @@ static EventGroupHandle_t s_wifi_event_group;
#define WIFI_CONNECTED_BIT BIT0
#define WIFI_FAIL_BIT BIT1
#define LED_PIN 17
#define NUM_LEDS 1
SmartLed leds(LED_WS2812B, NUM_LEDS, LED_PIN, 0, DoubleBuffer);
static const char *TAG = "wifi station";
static int s_retry_num = 0;
static void event_handler(void *arg, esp_event_base_t event_base,
int32_t event_id, void *event_data)
static void event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data)
{
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START)
{
@@ -60,7 +47,7 @@ static void event_handler(void *arg, esp_event_base_t event_base,
}
else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED)
{
if (s_retry_num < EXAMPLE_ESP_MAXIMUM_RETRY)
if (s_retry_num < CFG_WIFI_MAXIMUM_RETRY)
{
esp_wifi_connect();
s_retry_num++;
@@ -95,27 +82,18 @@ void wifi_init_sta(void)
esp_event_handler_instance_t instance_any_id;
esp_event_handler_instance_t instance_got_ip;
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
ESP_EVENT_ANY_ID,
&event_handler,
NULL,
&instance_any_id));
ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
IP_EVENT_STA_GOT_IP,
&event_handler,
NULL,
&instance_got_ip));
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL, &instance_any_id));
ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler, NULL, &instance_got_ip));
wifi_config_t wifi_config = {
.sta = {
.ssid = EXAMPLE_ESP_WIFI_SSID,
.password = EXAMPLE_ESP_WIFI_PASS,
/* Setting a password implies station will connect to all security modes including WEP/WPA.
* However these modes are deprecated and not advisable to be used. Incase your Access point
* doesn't support WPA2, these mode can be enabled by commenting below line */
.threshold.authmode = WIFI_AUTH_WPA2_PSK,
},
};
/* Initialize wifi_config in a C++-friendly way (designated initializers are C-only) */
wifi_config_t wifi_config;
memset(&wifi_config, 0, sizeof(wifi_config));
strncpy((char *)wifi_config.sta.ssid, CFG_WIFI_SSID, sizeof(wifi_config.sta.ssid) - 1);
strncpy((char *)wifi_config.sta.password, CFG_WIFI_PASS, sizeof(wifi_config.sta.password) - 1);
/* Setting a password implies station will connect to all security modes including WEP/WPA.
* However these modes are deprecated and not advisable to be used. Incase your Access point
* doesn't support WPA2, these mode can be enabled by changing the authmode below. */
wifi_config.sta.threshold.authmode = WIFI_AUTH_WPA2_PSK;
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
@@ -124,23 +102,17 @@ void wifi_init_sta(void)
/* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
* number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
pdFALSE,
pdFALSE,
portMAX_DELAY);
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group, WIFI_CONNECTED_BIT | WIFI_FAIL_BIT, pdFALSE, pdFALSE, portMAX_DELAY);
/* xEventGroupWaitBits() returns the bits before the call returned, hence we can test which event actually
* happened. */
if (bits & WIFI_CONNECTED_BIT)
{
ESP_LOGI(TAG, "connected to ap SSID:%s password:%s",
EXAMPLE_ESP_WIFI_SSID, EXAMPLE_ESP_WIFI_PASS);
ESP_LOGI(TAG, "connected to ap SSID:%s password:%s", CFG_WIFI_SSID, CFG_WIFI_PASS);
}
else if (bits & WIFI_FAIL_BIT)
{
ESP_LOGI(TAG, "Failed to connect to SSID:%s, password:%s",
EXAMPLE_ESP_WIFI_SSID, EXAMPLE_ESP_WIFI_PASS);
ESP_LOGI(TAG, "Failed to connect to SSID:%s, password:%s", CFG_WIFI_SSID, CFG_WIFI_PASS);
}
else
{
@@ -153,7 +125,16 @@ void wifi_init_sta(void)
vEventGroupDelete(s_wifi_event_group);
}
void app_main(void)
uint8_t hue;
void showGradient()
{
hue++;
for (int i = 0; i != NUM_LEDS; i++)
leds[i] = Hsv{static_cast<uint8_t>(hue + 30 * i), 255, 255};
leds.show();
}
extern "C" void app_main(void)
{
// Initialize NVS
esp_err_t ret = nvs_flash_init();
@@ -175,17 +156,15 @@ void app_main(void)
/* Initialize MicroOcpp */
struct OCPP_FilesystemOpt fsopt = {.use = true, .mount = true, .formatFsOnFail = true};
OCPP_Connection *osock = ocpp_makeConnection(&mgr,
EXAMPLE_MO_OCPP_BACKEND,
EXAMPLE_MO_CHARGEBOXID,
EXAMPLE_MO_AUTHORIZATIONKEY, "", fsopt);
ocpp_initialize(osock, "HeliosDA One", "RayineElec", fsopt, false);
OCPP_Connection *osock = ocpp_makeConnection(&mgr, CFG_OCPP_BACKEND, CFG_CP_IDENTIFIER, CFG_AUTHORIZATIONKEY, "", fsopt);
ocpp_initialize(osock, CFG_CP_MODAL, CFG_CP_VENDOR, fsopt, false);
/* Enter infinite loop */
while (1)
{
mg_mgr_poll(&mgr, 10);
ocpp_loop();
showGradient();
}
/* Deallocate ressources */