35 lines
831 B
C
35 lines
831 B
C
#include "ets_sys.h"
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#include "osapi.h"
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#include "gpio.h"
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#include "os_type.h"
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#include "user_interface.h"
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#include "espconn.h"
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#include "driver/uart.h"
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#define ELM_PORT 35000
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static struct espconn elm_conn;
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static esp_tcp elm_proto;
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static void ICACHE_FLASH_ATTR elm_rx_cb(void *arg, char *data, uint16_t len) {
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uart0_tx_buffer(data, len);
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}
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void ICACHE_FLASH_ATTR elm_tcp_connect_cb(void *arg) {
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struct espconn *conn = (struct espconn *)arg;
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espconn_set_opt(&elm_conn, ESPCONN_NODELAY);
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espconn_regist_recvcb(conn, elm_rx_cb);
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}
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void ICACHE_FLASH_ATTR elm327_init() {
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// control listener
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elm_proto.local_port = ELM_PORT;
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elm_conn.type = ESPCONN_TCP;
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elm_conn.state = ESPCONN_NONE;
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elm_conn.proto.tcp = &elm_proto;
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espconn_regist_connectcb(&elm_conn, elm_tcp_connect_cb);
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espconn_accept(&elm_conn);
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}
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