From 8fb73799fccc0c6a7125e240af5453229e32a7ae Mon Sep 17 00:00:00 2001 From: zylx <1346773219@qq.com> Date: Sat, 26 Oct 2019 01:55:09 +0800 Subject: [PATCH] =?UTF-8?q?=E3=80=90=E6=B7=BB=E5=8A=A0=E3=80=91=E6=B7=BB?= =?UTF-8?q?=E5=8A=A0esp32=E7=9A=84=E9=80=82=E9=85=8D?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- SConscript | 9 + class/esp32/at_device_esp32.c | 942 ++++++++++++++++++++++++++++++++++ class/esp32/at_device_esp32.h | 66 +++ class/esp32/at_socket_esp32.c | 556 ++++++++++++++++++++ inc/at_device.h | 1 + samples/at_sample_esp32.c | 52 ++ 6 files changed, 1626 insertions(+) create mode 100644 class/esp32/at_device_esp32.c create mode 100644 class/esp32/at_device_esp32.h create mode 100644 class/esp32/at_socket_esp32.c create mode 100644 samples/at_sample_esp32.c diff --git a/SConscript b/SConscript index 0ee0ef3..30bcf98 100644 --- a/SConscript +++ b/SConscript @@ -31,6 +31,15 @@ if GetDepend(['AT_DEVICE_USING_ESP8266']): if GetDepend(['AT_DEVICE_ESP8266_SAMPLE']): src += Glob('samples/at_sample_esp8266.c') +# ESP32 +if GetDepend(['AT_DEVICE_USING_ESP32']): + path += [cwd + '/class/esp32'] + src += Glob('class/esp32/at_device_esp32.c') + if GetDepend(['AT_USING_SOCKET']): + src += Glob('class/esp32/at_socket_esp32.c') + if GetDepend(['AT_DEVICE_ESP32_SAMPLE']): + src += Glob('samples/at_sample_esp32.c') + # MW31 if GetDepend(['AT_DEVICE_USING_MW31']): path += [cwd + '/class/mw31'] diff --git a/class/esp32/at_device_esp32.c b/class/esp32/at_device_esp32.c new file mode 100644 index 0000000..2318b92 --- /dev/null +++ b/class/esp32/at_device_esp32.c @@ -0,0 +1,942 @@ +/* + * File : at_socket_esp32.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Change Logs: + * Date Author Notes + * 2019-10-26 zylx first version + */ + +#include +#include + +#include + +#define LOG_TAG "at.dev.esp" + +#include + +#ifdef AT_DEVICE_USING_ESP32 + +#define ESP32_WAIT_CONNECT_TIME 5000 +#define ESP32_THREAD_STACK_SIZE 2048 +#define ESP32_THREAD_PRIORITY (RT_THREAD_PRIORITY_MAX / 2) + +/* ============================= esp32 network interface operations ============================= */ + +static int esp32_netdev_set_dns_server(struct netdev *netdev, uint8_t dns_num, ip_addr_t *dns_server); + +static void esp32_get_netdev_info(struct rt_work *work, void *work_data) +{ +#define AT_ADDR_LEN 32 +#define AT_ERR_DNS_SERVER "255.255.255.255" +#define AT_DEF_DNS_SERVER "114.114.114.114" + + at_response_t resp = RT_NULL; + char ip[AT_ADDR_LEN] = {0}, mac[AT_ADDR_LEN] = {0}; + char gateway[AT_ADDR_LEN] = {0}, netmask[AT_ADDR_LEN] = {0}; + char dns_server1[AT_ADDR_LEN] = {0}, dns_server2[AT_ADDR_LEN] = {0}; + const char *resp_expr = "%*[^\"]\"%[^\"]\""; + const char *resp_dns = "+CIPDNS:%s"; + ip_addr_t ip_addr; + rt_uint32_t mac_addr[6] = {0}; + rt_uint32_t num = 0; + rt_uint8_t dhcp_stat = 0; + struct rt_delayed_work *delay_work = (struct rt_delayed_work *)work; + struct at_device *device = (struct at_device *)work_data; + struct netdev *netdev = device->netdev; + struct at_client *client = device->client; + + if (delay_work) + { + rt_free(delay_work); + } + + resp = at_create_resp(512, 0, rt_tick_from_millisecond(300)); + if (resp == RT_NULL) + { + LOG_E("no memory for resp create."); + return; + } + + /* send mac addr query commond "AT+CIFSR" and wait response */ + if (at_obj_exec_cmd(client, resp, "AT+CIFSR") < 0) + { + goto __exit; + } + + if (at_resp_parse_line_args_by_kw(resp, "STAMAC", resp_expr, mac) <= 0) + { + LOG_E("%s device parse \"AT+CIFSR\" cmd error.", device->name); + goto __exit; + } + + /* send addr info query commond "AT+CIPSTA?" and wait response */ + if (at_obj_exec_cmd(client, resp, "AT+CIPSTA?") < 0) + { + LOG_E("%s device send \"AT+CIPSTA?\" cmd error.", device->name); + goto __exit; + } + + if (at_resp_parse_line_args_by_kw(resp, "ip", resp_expr, ip) <= 0 || + at_resp_parse_line_args_by_kw(resp, "gateway", resp_expr, gateway) <= 0 || + at_resp_parse_line_args_by_kw(resp, "netmask", resp_expr, netmask) <= 0) + { + LOG_E("%s device prase \"AT+CIPSTA?\" cmd error.", device->name); + goto __exit; + } + + /* set netdev info */ + inet_aton(gateway, &ip_addr); + netdev_low_level_set_gw(netdev, &ip_addr); + inet_aton(netmask, &ip_addr); + netdev_low_level_set_netmask(netdev, &ip_addr); + inet_aton(ip, &ip_addr); + netdev_low_level_set_ipaddr(netdev, &ip_addr); + sscanf(mac, "%x:%x:%x:%x:%x:%x", + &mac_addr[0], &mac_addr[1], &mac_addr[2], &mac_addr[3], &mac_addr[4], &mac_addr[5]); + for (num = 0; num < netdev->hwaddr_len; num++) + { + netdev->hwaddr[num] = mac_addr[num]; + } + + /* send dns server query commond "AT+CIPDNS?" and wait response */ + if (at_obj_exec_cmd(device->client, resp, "AT+CIPDNS?") < 0) + { + LOG_W("please check and update %s device firmware to support the \"AT+CIPDNS?\" cmd.", device->name); + goto __exit; + } + + if (at_resp_parse_line_args(resp, 1, resp_dns, dns_server1) <= 0 && + at_resp_parse_line_args(resp, 2, resp_dns, dns_server2) <= 0) + { + LOG_E("%s device prase \"AT+CIPDNS?\" cmd error.", device->name); + goto __exit; + } + + /* set primary DNS server address */ + if (rt_strlen(dns_server1) > 0 && + rt_strncmp(dns_server1, AT_ERR_DNS_SERVER, rt_strlen(AT_ERR_DNS_SERVER)) != 0) + { + inet_aton(dns_server1, &ip_addr); + netdev_low_level_set_dns_server(netdev, 0, &ip_addr); + } + else + { + inet_aton(AT_DEF_DNS_SERVER, &ip_addr); + esp32_netdev_set_dns_server(netdev, 0, &ip_addr); + } + + /* set secondary DNS server address */ + if (rt_strlen(dns_server2) > 0 ) + { + inet_aton(dns_server2, &ip_addr); + netdev_low_level_set_dns_server(netdev, 1, &ip_addr); + } + + /* send DHCP query commond " AT+CWDHCP_CUR?" and wait response */ + if (at_obj_exec_cmd(client, resp, "AT+CWDHCP?") < 0) + { + goto __exit; + } + + /* parse response data, get the DHCP status */ + if (at_resp_parse_line_args_by_kw(resp, "+CWDHCP:", "+CWDHCP:%d", &dhcp_stat) < 0) + { + LOG_E("%s device prase DHCP status error.", device->name); + goto __exit; + } + + /* Bit0 - SoftAP DHCP status, Bit1 - Station DHCP status */ + netdev_low_level_set_dhcp_status(netdev, dhcp_stat & 0x01 ? RT_TRUE : RT_FALSE); + +__exit: + if (resp) + { + at_delete_resp(resp); + } +} + +static int esp32_net_init(struct at_device *device); + +static int esp32_netdev_set_up(struct netdev *netdev) +{ + struct at_device *device = RT_NULL; + + device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name); + if (device == RT_NULL) + { + LOG_E("get device(%s) failed.", netdev->name); + return -RT_ERROR; + } + + if (device->is_init == RT_FALSE) + { + esp32_net_init(device); + netdev_low_level_set_status(netdev, RT_TRUE); + LOG_D("network interface device(%s) set up status", netdev->name); + } + + return RT_EOK; +} + +static int esp32_netdev_set_down(struct netdev *netdev) +{ + struct at_device *device = RT_NULL; + + device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name); + if (device == RT_NULL) + { + LOG_E("get device by netdev(%s) failed.", netdev->name); + return -RT_ERROR; + } + + if (device->is_init == RT_TRUE) + { + device->is_init = RT_FALSE; + netdev_low_level_set_status(netdev, RT_FALSE); + LOG_D("network interface device(%s) set down status", netdev->name); + } + + return RT_EOK; +} + +static int esp32_netdev_set_addr_info(struct netdev *netdev, ip_addr_t *ip_addr, ip_addr_t *netmask, ip_addr_t *gw) +{ +#define IPADDR_RESP_SIZE 128 +#define IPADDR_SIZE 16 + + int result = RT_EOK; + at_response_t resp = RT_NULL; + struct at_device *device = RT_NULL; + char ip_str[IPADDR_SIZE] = {0}; + char gw_str[IPADDR_SIZE] = {0}; + char netmask_str[IPADDR_SIZE] = {0}; + + RT_ASSERT(netdev); + RT_ASSERT(ip_addr || netmask || gw); + + device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name); + if (device == RT_NULL) + { + LOG_E("get device(%s) failed.", netdev->name); + return -RT_ERROR; + } + + resp = at_create_resp(IPADDR_RESP_SIZE, 0, rt_tick_from_millisecond(300)); + if (resp == RT_NULL) + { + LOG_E("no memory for resp create."); + result = -RT_ENOMEM; + goto __exit; + } + + /* Convert numeric IP address into decimal dotted ASCII representation. */ + if (ip_addr) + rt_memcpy(ip_str, inet_ntoa(*ip_addr), IPADDR_SIZE); + else + rt_memcpy(ip_str, inet_ntoa(netdev->ip_addr), IPADDR_SIZE); + + if (gw) + rt_memcpy(gw_str, inet_ntoa(*gw), IPADDR_SIZE); + else + rt_memcpy(gw_str, inet_ntoa(netdev->gw), IPADDR_SIZE); + + if (netmask) + rt_memcpy(netmask_str, inet_ntoa(*netmask), IPADDR_SIZE); + else + rt_memcpy(netmask_str, inet_ntoa(netdev->netmask), IPADDR_SIZE); + + /* send addr info set commond "AT+CIPSTA_CUR=[,,]" and wait response */ + if (at_obj_exec_cmd(device->client, resp, "AT+CIPSTA_CUR=\"%s\",\"%s\",\"%s\"", + ip_str, gw_str, netmask_str) < 0) + { + LOG_E("%s device set address failed.", device->name); + result = -RT_ERROR; + } + else + { + /* Update netdev information */ + if (ip_addr) + netdev_low_level_set_ipaddr(netdev, ip_addr); + + if (gw) + netdev_low_level_set_gw(netdev, gw); + + if (netmask) + netdev_low_level_set_netmask(netdev, netmask); + + LOG_D("%s device set address success.", device->name); + } + +__exit: + if (resp) + { + at_delete_resp(resp); + } + + return result; +} + +static int esp32_netdev_set_dns_server(struct netdev *netdev, uint8_t dns_num, ip_addr_t *dns_server) +{ +#define DNS_RESP_SIZE 128 + + int result = RT_EOK; + at_response_t resp = RT_NULL; + struct at_device *device = RT_NULL; + + RT_ASSERT(netdev); + RT_ASSERT(dns_server); + + device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name); + if (device == RT_NULL) + { + LOG_E("get device by netdev(%s) failed.", netdev->name); + return -RT_ERROR; + } + + resp = at_create_resp(DNS_RESP_SIZE, 0, rt_tick_from_millisecond(300)); + if (resp == RT_NULL) + { + LOG_E("no memory for resp create."); + return -RT_ENOMEM; + } + + /* send dns server set commond "AT+CIPDNS_CUR=[,,]" and wait response */ + if (at_obj_exec_cmd(device->client, resp, "AT+CIPDNS_CUR=1,\"%s\"", inet_ntoa(*dns_server)) < 0) + { + LOG_E("%s device set DNS failed.", device->name); + result = -RT_ERROR; + } + else + { + netdev_low_level_set_dns_server(netdev, dns_num, dns_server); + LOG_D("%s device set DNS(%s) success.", device->name, inet_ntoa(*dns_server)); + } + + if (resp) + { + at_delete_resp(resp); + } + + return result; +} + +static int esp32_netdev_set_dhcp(struct netdev *netdev, rt_bool_t is_enabled) +{ +#define ESP32_STATION 1 +#define RESP_SIZE 128 + + int result = RT_EOK; + at_response_t resp = RT_NULL; + struct at_device *device = RT_NULL; + + RT_ASSERT(netdev); + + device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name); + if (device == RT_NULL) + { + LOG_E("get device by netdev(%s) failed.", netdev->name); + return -RT_ERROR; + } + + resp = at_create_resp(RESP_SIZE, 0, rt_tick_from_millisecond(300)); + if (resp == RT_NULL) + { + LOG_E("no memory for resp struct."); + return -RT_ENOMEM; + } + + /* send dhcp set commond "AT+CWDHCP_CUR=," and wait response */ + if (at_obj_exec_cmd(device->client, resp, "AT+CWDHCP_CUR=%d,%d", ESP32_STATION, is_enabled) < 0) + { + LOG_E("%s device set DHCP status(%d) failed.", device->name, is_enabled); + result = -RT_ERROR; + goto __exit; + } + else + { + netdev_low_level_set_dhcp_status(netdev, is_enabled); + LOG_D("%s device set DHCP status(%d) ok.", device->name, is_enabled); + } + +__exit: + if (resp) + { + at_delete_resp(resp); + } + + return result; +} + +#ifdef NETDEV_USING_PING +static int esp32_netdev_ping(struct netdev *netdev, const char *host, + size_t data_len, uint32_t timeout, struct netdev_ping_resp *ping_resp) +{ +#define ESP32_PING_IP_SIZE 16 + + rt_err_t result = RT_EOK; + at_response_t resp = RT_NULL; + struct at_device *device = RT_NULL; + char ip_addr[ESP32_PING_IP_SIZE] = {0}; + int req_time; + + RT_ASSERT(netdev); + RT_ASSERT(host); + RT_ASSERT(ping_resp); + + device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name); + if (device == RT_NULL) + { + LOG_E("get device(%s) failed.", netdev->name); + return -RT_ERROR; + } + + resp = at_create_resp(64, 0, timeout); + if (resp == RT_NULL) + { + LOG_E("no memory for resp create."); + return -RT_ENOMEM; + } + + /* send domain commond "AT+CIPDOMAIN=" and wait response */ + if (at_obj_exec_cmd(device->client, resp, "AT+CIPDOMAIN=\"%s\"", host) < 0) + { + result = -RT_ERROR; + goto __exit; + } + + /* parse the third line of response data, get the IP address */ + if (at_resp_parse_line_args_by_kw(resp, "+CIPDOMAIN:", "+CIPDOMAIN:%s", ip_addr) < 0) + { + result = -RT_ERROR; + goto __exit; + } + + /* send ping commond "AT+PING=" and wait response */ + if (at_obj_exec_cmd(device->client, resp, "AT+PING=\"%s\"", host) < 0) + { + result = -RT_ERROR; + goto __exit; + } + + if (at_resp_parse_line_args_by_kw(resp, "+", "+PING:%d", &req_time) < 0) + { + result = -RT_ERROR; + goto __exit; + } + + if (req_time) + { + inet_aton(ip_addr, &(ping_resp->ip_addr)); + ping_resp->data_len = data_len; + ping_resp->ttl = 0; + ping_resp->ticks = req_time; + } + +__exit: + if (resp) + { + at_delete_resp(resp); + } + + return result; +} +#endif /* NETDEV_USING_PING */ + +#ifdef NETDEV_USING_NETSTAT +void esp32_netdev_netstat(struct netdev *netdev) +{ +#define ESP32_NETSTAT_RESP_SIZE 320 +#define ESP32_NETSTAT_TYPE_SIZE 4 +#define ESP32_NETSTAT_IPADDR_SIZE 17 +#define ESP32_NETSTAT_EXPRESSION "+CIPSTATUS:%*d,\"%[^\"]\",\"%[^\"]\",%d,%d,%*d" + + at_response_t resp = RT_NULL; + struct at_device *device = RT_NULL; + int remote_port, local_port, i; + char *type = RT_NULL; + char *ipaddr = RT_NULL; + + device = at_device_get_by_name(AT_DEVICE_NAMETYPE_NETDEV, netdev->name); + if (device == RT_NULL) + { + LOG_E("get device(%s) failed.", netdev->name); + return; + } + + type = (char *) rt_calloc(1, ESP32_NETSTAT_TYPE_SIZE); + ipaddr = (char *) rt_calloc(1, ESP32_NETSTAT_IPADDR_SIZE); + if ((type && ipaddr) == RT_NULL) + { + LOG_E("no memory for ipaddr create."); + goto __exit; + } + + resp = at_create_resp(ESP32_NETSTAT_RESP_SIZE, 0, 5 * RT_TICK_PER_SECOND); + if (resp == RT_NULL) + { + LOG_E("no memory for resp create.", device->name); + goto __exit; + } + + /* send network connection information commond "AT+CIPSTATUS" and wait response */ + if (at_obj_exec_cmd(device->client, resp, "AT+CIPSTATUS") < 0) + { + goto __exit; + } + + for (i = 1; i <= resp->line_counts; i++) + { + if (strstr(at_resp_get_line(resp, i), "+CIPSTATUS")) + { + /* parse the third line of response data, get the network connection information */ + if (at_resp_parse_line_args(resp, i, ESP32_NETSTAT_EXPRESSION, type, ipaddr, &remote_port, &local_port) < 0) + { + goto __exit; + } + else + { + LOG_RAW("%s: %s:%d ==> %s:%d\n", type, inet_ntoa(netdev->ip_addr), local_port, ipaddr, remote_port); + } + } + } + +__exit: + if (resp) + { + at_delete_resp(resp); + } + + if (type) + { + rt_free(type); + } + + if (ipaddr) + { + rt_free(ipaddr); + } +} +#endif /* NETDEV_USING_NETSTAT */ + +static const struct netdev_ops esp32_netdev_ops = +{ + esp32_netdev_set_up, + esp32_netdev_set_down, + + esp32_netdev_set_addr_info, + esp32_netdev_set_dns_server, + esp32_netdev_set_dhcp, + +#ifdef NETDEV_USING_PING + esp32_netdev_ping, +#endif +#ifdef NETDEV_USING_NETSTAT + esp32_netdev_netstat, +#endif +}; + +static struct netdev *esp32_netdev_add(const char *netdev_name) +{ +#define ETHERNET_MTU 1500 +#define HWADDR_LEN 6 + struct netdev *netdev = RT_NULL; + + RT_ASSERT(netdev_name); + + netdev = (struct netdev *) rt_calloc(1, sizeof(struct netdev)); + if (netdev == RT_NULL) + { + LOG_E("no memory for netdev create."); + return RT_NULL; + } + + netdev->mtu = ETHERNET_MTU; + netdev->ops = &esp32_netdev_ops; + netdev->hwaddr_len = HWADDR_LEN; + +#ifdef SAL_USING_AT + extern int sal_at_netdev_set_pf_info(struct netdev *netdev); + /* set the network interface socket/netdb operations */ + sal_at_netdev_set_pf_info(netdev); +#endif + + netdev_register(netdev, netdev_name, RT_NULL); + + return netdev; +} + +/* ============================= esp32 device operations ============================= */ + +#define AT_SEND_CMD(client, resp, cmd) \ + do { \ + (resp) = at_resp_set_info((resp), 256, 0, 5 * RT_TICK_PER_SECOND); \ + if (at_obj_exec_cmd((client), (resp), (cmd)) < 0) \ + { \ + result = -RT_ERROR; \ + goto __exit; \ + } \ + } while(0) \ + +static void esp32_netdev_start_delay_work(struct at_device *device) +{ + struct rt_delayed_work *net_work = RT_NULL; + net_work = (struct rt_delayed_work *)rt_calloc(1, sizeof(struct rt_delayed_work)); + if (net_work == RT_NULL) + { + return; + } + + rt_delayed_work_init(net_work, esp32_get_netdev_info, (void *)device); + rt_work_submit(&(net_work->work), RT_TICK_PER_SECOND); +} + +static void esp32_init_thread_entry(void *parameter) +{ +#define INIT_RETRY 5 + + struct at_device *device = (struct at_device *) parameter; + struct at_device_esp32 *esp32 = (struct at_device_esp32 *) device->user_data; + struct at_client *client = device->client; + at_response_t resp = RT_NULL; + rt_err_t result = RT_EOK; + rt_size_t i = 0, retry_num = INIT_RETRY; + rt_bool_t wifi_is_conn = RT_FALSE; + + LOG_D("%s device initialize start.", device->name); + + /* wait esp32 device startup finish */ + if (at_client_obj_wait_connect(client, ESP32_WAIT_CONNECT_TIME)) + { + return; + } + + resp = at_create_resp(128, 0, 5 * RT_TICK_PER_SECOND); + if (resp == RT_NULL) + { + LOG_E("no memory for resp create."); + return; + } + + while (retry_num--) + { + /* reset module */ + AT_SEND_CMD(client, resp, "AT+RST"); + /* reset waiting delay */ + rt_thread_mdelay(1000); + /* disable echo */ + AT_SEND_CMD(client, resp, "ATE0"); + /* set current mode to Wi-Fi station */ + AT_SEND_CMD(client, resp, "AT+CWMODE=1"); + /* get module version */ + AT_SEND_CMD(client, resp, "AT+GMR"); + /* show module version */ + for (i = 0; i < resp->line_counts - 1; i++) + { + LOG_D("%s", at_resp_get_line(resp, i + 1)); + } + + AT_SEND_CMD(client, resp, "AT+CIPMUX=1"); + + /* initialize successfully */ + result = RT_EOK; + break; + + __exit: + if (result != RT_EOK) + { + rt_thread_mdelay(1000); + LOG_I("%s device initialize retry...", device->name); + } + } + + /* connect to WiFi AP */ + if (at_obj_exec_cmd(client, at_resp_set_info(resp, 512, 0, 20 * RT_TICK_PER_SECOND), + "AT+CWJAP=\"%s\",\"%s\"", esp32->wifi_ssid, esp32->wifi_password) != RT_EOK) + { + LOG_W("%s device wifi connect failed, check ssid(%s) and password(%s).", + device->name, esp32->wifi_ssid, esp32->wifi_password); + } + else + { + wifi_is_conn = RT_TRUE; + } + + if (resp) + { + at_delete_resp(resp); + } + + if (result != RT_EOK) + { + netdev_low_level_set_status(device->netdev, RT_FALSE); + LOG_E("%s device network initialize failed(%d).", device->name, result); + } + else + { + device->is_init = RT_TRUE; + netdev_low_level_set_status(device->netdev, RT_TRUE); + if (wifi_is_conn) + { + netdev_low_level_set_link_status(device->netdev, RT_TRUE); + } + esp32_netdev_start_delay_work(device); + LOG_I("%s device network initialize successfully.", device->name); + } +} + +static int esp32_net_init(struct at_device *device) +{ +#ifdef AT_DEVICE_ESP32_INIT_ASYN + rt_thread_t tid; + + tid = rt_thread_create("esp_net", esp32_init_thread_entry, (void *) device, + ESP32_THREAD_STACK_SIZE, ESP32_THREAD_PRIORITY, 20); + if (tid) + { + rt_thread_startup(tid); + } + else + { + LOG_E("create %s device init thread failed.", device->name); + return -RT_ERROR; + } +#else + esp32_init_thread_entry(device); +#endif /* AT_DEVICE_ESP32_INIT_ASYN */ + + return RT_EOK; +} + +static void urc_busy_p_func(struct at_client *client, const char *data, rt_size_t size) +{ + LOG_D("system is processing a commands..."); +} + +static void urc_busy_s_func(struct at_client *client, const char *data, rt_size_t size) +{ + LOG_D("system is sending data..."); +} + +static void urc_func(struct at_client *client, const char *data, rt_size_t size) +{ + struct at_device *device = RT_NULL; + char *client_name = client->device->parent.name; + + RT_ASSERT(client && data && size); + + device = at_device_get_by_name(AT_DEVICE_NAMETYPE_CLIENT, client_name); + if (device == RT_NULL) + { + LOG_E("get device(%s) failed.", client_name); + return; + } + + if (rt_strstr(data, "WIFI CONNECTED")) + { + LOG_I("%s device wifi is connected.", device->name); + + if (device->is_init) + { + netdev_low_level_set_link_status(device->netdev, RT_TRUE); + + esp32_netdev_start_delay_work(device); + } + } + else if (rt_strstr(data, "WIFI DISCONNECT")) + { + LOG_I("%s device wifi is disconnect.", device->name); + + if (device->is_init) + { + netdev_low_level_set_link_status(device->netdev, RT_FALSE); + } + } +} + +static const struct at_urc urc_table[] = +{ + {"busy p", "\r\n", urc_busy_p_func}, + {"busy s", "\r\n", urc_busy_s_func}, + {"WIFI CONNECTED", "\r\n", urc_func}, + {"WIFI DISCONNECT", "\r\n", urc_func}, +}; + +static int esp32_init(struct at_device *device) +{ + struct at_device_esp32 *esp32 = (struct at_device_esp32 *) device->user_data; + + /* initialize AT client */ + at_client_init(esp32->client_name, esp32->recv_line_num); + + device->client = at_client_get(esp32->client_name); + if (device->client == RT_NULL) + { + LOG_E("get AT client(%s) failed.", esp32->client_name); + return -RT_ERROR; + } + + /* register URC data execution function */ + at_obj_set_urc_table(device->client, urc_table, sizeof(urc_table) / sizeof(urc_table[0])); + +#ifdef AT_USING_SOCKET + esp32_socket_init(device); +#endif + + /* add esp32 device to the netdev list */ + device->netdev = esp32_netdev_add(esp32->device_name); + if (device->netdev == RT_NULL) + { + LOG_E("add netdev(%s) failed.", esp32->device_name); + return -RT_ERROR; + } + + /* initialize esp32 device network */ + return esp32_netdev_set_up(device->netdev); +} + +static int esp32_deinit(struct at_device *device) +{ + return esp32_netdev_set_down(device->netdev); +} + +/* reset eap8266 device and initialize device network again */ +static int esp32_reset(struct at_device *device) +{ + int result = RT_EOK; + struct at_client *client = device->client; + + /* send "AT+RST" commonds to esp32 device */ + result = at_obj_exec_cmd(client, RT_NULL, "AT+RST"); + rt_thread_mdelay(1000); + + /* waiting 10 seconds for esp32 device reset */ + device->is_init = RT_FALSE; + if (at_client_obj_wait_connect(client, ESP32_WAIT_CONNECT_TIME)) + { + return -RT_ETIMEOUT; + } + + /* initialize esp32 device network */ + esp32_net_init(device); + + device->is_init = RT_TRUE; + + return result; +} + +/* change eap8266 wifi ssid and password information */ +static int esp32_wifi_info_set(struct at_device *device, struct at_device_ssid_pwd *info) +{ + int result = RT_EOK; + struct at_response *resp = RT_NULL; + + if (info->ssid == RT_NULL || info->password == RT_NULL) + { + LOG_E("input wifi ssid(%s) and password(%s) error.", info->ssid, info->password); + return -RT_ERROR; + } + + resp = at_create_resp(128, 0, 20 * RT_TICK_PER_SECOND); + if (resp == RT_NULL) + { + LOG_E("no memory for resp create."); + return -RT_ENOMEM; + } + + /* connect to input wifi ap */ + if (at_obj_exec_cmd(device->client, resp, "AT+CWJAP=\"%s\",\"%s\"", info->ssid, info->password) != RT_EOK) + { + LOG_E("%s device wifi connect failed, check ssid(%s) and password(%s).", + device->name, info->ssid, info->password); + result = -RT_ERROR; + } + + if (resp) + { + at_delete_resp(resp); + } + + return result; +} + +static int esp32_control(struct at_device *device, int cmd, void *arg) +{ + int result = -RT_ERROR; + + RT_ASSERT(device); + + switch (cmd) + { + case AT_DEVICE_CTRL_POWER_ON: + case AT_DEVICE_CTRL_POWER_OFF: + case AT_DEVICE_CTRL_LOW_POWER: + case AT_DEVICE_CTRL_SLEEP: + case AT_DEVICE_CTRL_WAKEUP: + case AT_DEVICE_CTRL_NET_CONN: + case AT_DEVICE_CTRL_NET_DISCONN: + case AT_DEVICE_CTRL_GET_SIGNAL: + case AT_DEVICE_CTRL_GET_GPS: + case AT_DEVICE_CTRL_GET_VER: + LOG_W("not support the control cmd(%d).", cmd); + break; + case AT_DEVICE_CTRL_RESET: + result = esp32_reset(device); + break; + case AT_DEVICE_CTRL_SET_WIFI_INFO: + result = esp32_wifi_info_set(device, (struct at_device_ssid_pwd *) arg); + break; + default: + LOG_E("input error control cmd(%d).", cmd); + break; + } + + return result; +} + +static const struct at_device_ops esp32_device_ops = +{ + esp32_init, + esp32_deinit, + esp32_control, +}; + +static int esp32_device_class_register(void) +{ + struct at_device_class *class = RT_NULL; + + class = (struct at_device_class *) rt_calloc(1, sizeof(struct at_device_class)); + if (class == RT_NULL) + { + LOG_E("no memory for class create."); + return -RT_ENOMEM; + } + + /* fill ESP32 device class object */ +#ifdef AT_USING_SOCKET + esp32_socket_class_register(class); +#endif + class->device_ops = &esp32_device_ops; + + return at_device_class_register(class, AT_DEVICE_CLASS_ESP32); +} +INIT_DEVICE_EXPORT(esp32_device_class_register); + +#endif /* AT_DEVICE_USING_ESP32 */ diff --git a/class/esp32/at_device_esp32.h b/class/esp32/at_device_esp32.h new file mode 100644 index 0000000..0791826 --- /dev/null +++ b/class/esp32/at_device_esp32.h @@ -0,0 +1,66 @@ +/* + * File : at_device_esp32.h + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Change Logs: + * Date Author Notes + * 2019-05-16 chenyong first version + */ + +#ifndef __AT_DEVICE_ESP32_H__ +#define __AT_DEVICE_ESP32_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +#include + +/* The maximum number of sockets supported by the esp32 device */ +#define AT_DEVICE_ESP32_SOCKETS_NUM 5 + +struct at_device_esp32 +{ + char *device_name; + char *client_name; + + char *wifi_ssid; + char *wifi_password; + size_t recv_line_num; + struct at_device device; + + void *user_data; +}; + +#ifdef AT_USING_SOCKET + +/* esp32 device socket initialize */ +int esp32_socket_init(struct at_device *device); + +/* esp32 device class socket register */ +int esp32_socket_class_register(struct at_device_class *class); + +#endif /* AT_USING_SOCKET */ + +#ifdef __cplusplus +} +#endif + +#endif /* __AT_DEVICE_ESP32_H__ */ diff --git a/class/esp32/at_socket_esp32.c b/class/esp32/at_socket_esp32.c new file mode 100644 index 0000000..457fb86 --- /dev/null +++ b/class/esp32/at_socket_esp32.c @@ -0,0 +1,556 @@ +/* + * File : at_socket_esp32.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Change Logs: + * Date Author Notes + * 2018-06-20 chenyong first version + * 2019-05-09 chenyong multi AT socket client support + */ + +#include +#include + +#include + +#define LOG_TAG "at.skt.esp" +#include + +#if defined(AT_DEVICE_USING_ESP32) && defined(AT_USING_SOCKET) + +#define ESP32_MODULE_SEND_MAX_SIZE 2048 +/* set real event by current socket and current state */ +#define SET_EVENT(socket, event) (((socket + 1) << 16) | (event)) + +/* AT socket event type */ +#define ESP32_EVENT_CONN_OK (1L << 0) +#define ESP32_EVENT_SEND_OK (1L << 1) +#define ESP32_EVENT_RECV_OK (1L << 2) +#define ESP32_EVNET_CLOSE_OK (1L << 3) +#define ESP32_EVENT_CONN_FAIL (1L << 4) +#define ESP32_EVENT_SEND_FAIL (1L << 5) + +static at_evt_cb_t at_evt_cb_set[] = { + [AT_SOCKET_EVT_RECV] = NULL, + [AT_SOCKET_EVT_CLOSED] = NULL, +}; + +static int esp32_socket_event_send(struct at_device *device, uint32_t event) +{ + return (int) rt_event_send(device->socket_event, event); +} + +static int esp32_socket_event_recv(struct at_device *device, uint32_t event, uint32_t timeout, rt_uint8_t option) +{ + int result = 0; + rt_uint32_t recved; + + result = rt_event_recv(device->socket_event, event, option | RT_EVENT_FLAG_CLEAR, timeout, &recved); + if (result != RT_EOK) + { + return -RT_ETIMEOUT; + } + + return recved; +} + +/** + * close socket by AT commands. + * + * @param current socket + * + * @return 0: close socket success + * -1: send AT commands error + * -2: wait socket event timeout + * -5: no memory + */ +static int esp32_socket_close(struct at_socket *socket) +{ + int result = RT_EOK; + at_response_t resp = RT_NULL; + int device_socket = (int) socket->user_data; + struct at_device *device = (struct at_device *) socket->device; + + resp = at_create_resp(64, 0, rt_tick_from_millisecond(300)); + if (resp == RT_NULL) + { + LOG_E("no memory for resp create."); + return -RT_ENOMEM; + } + + result = at_obj_exec_cmd(device->client, resp, "AT+CIPCLOSE=%d", device_socket); + + if (resp) + { + at_delete_resp(resp); + } + + return result; +} + +/** + * create TCP/UDP client or server connect by AT commands. + * + * @param socket current socket + * @param ip server or client IP address + * @param port server or client port + * @param type connect socket type(tcp, udp) + * @param is_client connection is client + * + * @return 0: connect success + * -1: connect failed, send commands error or type error + * -2: wait socket event timeout + * -5: no memory + */ +static int esp32_socket_connect(struct at_socket *socket, char *ip, int32_t port, enum at_socket_type type, rt_bool_t is_client) +{ + int result = RT_EOK; + rt_bool_t retryed = RT_FALSE; + at_response_t resp = RT_NULL; + int device_socket = (int) socket->user_data; + struct at_device *device = (struct at_device *) socket->device; + + RT_ASSERT(ip); + RT_ASSERT(port >= 0); + + resp = at_create_resp(128, 0, 5 * RT_TICK_PER_SECOND); + if (resp == RT_NULL) + { + LOG_E("no memory for resp create."); + return -RT_ENOMEM; + } + +__retry: + if (is_client) + { + switch (type) + { + case AT_SOCKET_TCP: + /* send AT commands to connect TCP server */ + if (at_obj_exec_cmd(device->client, resp, + "AT+CIPSTART=%d,\"TCP\",\"%s\",%d,60", device_socket, ip, port) < 0) + { + result = -RT_ERROR; + } + break; + + case AT_SOCKET_UDP: + if (at_obj_exec_cmd(device->client, resp, + "AT+CIPSTART=%d,\"UDP\",\"%s\",%d", device_socket, ip, port) < 0) + { + result = -RT_ERROR; + } + break; + + default: + LOG_E("not supported connect type %d.", type); + result = -RT_ERROR; + goto __exit; + } + } + + if (result != RT_EOK && retryed == RT_FALSE) + { + LOG_D("%s device socket (%d) connect failed, the socket was not be closed and now will connect retry.", + device->name, device_socket); + if (esp32_socket_close(socket) < 0) + { + goto __exit; + } + retryed = RT_TRUE; + result = RT_EOK; + goto __retry; + } + +__exit: + if (resp) + { + at_delete_resp(resp); + } + + return result; +} + +/** + * send data to server or client by AT commands. + * + * @param socket current socket + * @param buff send buffer + * @param bfsz send buffer size + * @param type connect socket type(tcp, udp) + * + * @return >=0: the size of send success + * -1: send AT commands error or send data error + * -2: waited socket event timeout + * -5: no memory + */ +static int esp32_socket_send(struct at_socket *socket, const char *buff, size_t bfsz, enum at_socket_type type) +{ + int result = RT_EOK; + int event_result = 0; + size_t cur_pkt_size = 0, sent_size = 0; + at_response_t resp = RT_NULL; + int device_socket = (int) socket->user_data; + struct at_device *device = (struct at_device *) socket->device; + struct at_device_esp32 *esp32 = (struct at_device_esp32 *) device->user_data; + rt_mutex_t lock = device->client->lock; + + RT_ASSERT(buff); + RT_ASSERT(bfsz > 0); + + resp = at_create_resp(128, 2, 5 * RT_TICK_PER_SECOND); + if (resp == RT_NULL) + { + LOG_E("no memory for resp create."); + return -RT_ENOMEM; + } + + rt_mutex_take(lock, RT_WAITING_FOREVER); + + /* set current socket for send URC event */ + esp32->user_data = (void *) device_socket; + + /* set AT client end sign to deal with '>' sign */ + at_obj_set_end_sign(device->client, '>'); + + while (sent_size < bfsz) + { + if (bfsz - sent_size < ESP32_MODULE_SEND_MAX_SIZE) + { + cur_pkt_size = bfsz - sent_size; + } + else + { + cur_pkt_size = ESP32_MODULE_SEND_MAX_SIZE; + } + + /* send the "AT+CIPSEND" commands to AT server than receive the '>' response on the first line */ + if (at_obj_exec_cmd(device->client, resp, "AT+CIPSEND=%d,%d", device_socket, cur_pkt_size) < 0) + { + result = -RT_ERROR; + goto __exit; + } + + /* send the real data to server or client */ + result = (int) at_client_obj_send(device->client, buff + sent_size, cur_pkt_size); + if (result == 0) + { + result = -RT_ERROR; + goto __exit; + } + + /* waiting result event from AT URC */ + if (esp32_socket_event_recv(device, SET_EVENT(device_socket, 0), + 10 * RT_TICK_PER_SECOND, RT_EVENT_FLAG_OR) < 0) + { + LOG_E("%s device socket(%d) wait connect result timeout.", device->name, device_socket); + result = -RT_ETIMEOUT; + goto __exit; + } + /* waiting OK or failed result */ + event_result = esp32_socket_event_recv(device, ESP32_EVENT_SEND_OK | ESP32_EVENT_SEND_FAIL, + 5 * RT_TICK_PER_SECOND, RT_EVENT_FLAG_OR); + if (event_result < 0) + { + LOG_E("%s device socket(%d) wait connect OK|FAIL timeout.", device->name, device_socket); + result = -RT_ETIMEOUT; + goto __exit; + } + /* check result */ + if (event_result & ESP32_EVENT_SEND_FAIL) + { + LOG_E("%s device socket(%d) send failed.", device->name, device_socket); + result = -RT_ERROR; + goto __exit; + } + + sent_size += cur_pkt_size; + } + +__exit: + /* reset the end sign for data */ + at_obj_set_end_sign(device->client, 0); + + rt_mutex_release(lock); + + if (resp) + { + at_delete_resp(resp); + } + + return result > 0 ? sent_size : result; +} + +/** + * domain resolve by AT commands. + * + * @param name domain name + * @param ip parsed IP address, it's length must be 16 + * + * @return 0: domain resolve success + * -2: wait socket event timeout + * -5: no memory + */ +static int esp32_domain_resolve(const char *name, char ip[16]) +{ +#define RESOLVE_RETRY 5 + + int i, result = RT_EOK; + char recv_ip[16] = { 0 }; + at_response_t resp = RT_NULL; + struct at_device *device = RT_NULL; + + RT_ASSERT(name); + RT_ASSERT(ip); + + device = at_device_get_first_initialized(); + if (device == RT_NULL) + { + LOG_E("get first init device failed."); + return -RT_ERROR; + } + + resp = at_create_resp(128, 0, 20 * RT_TICK_PER_SECOND); + if (resp == RT_NULL) + { + LOG_E("no memory for resp create."); + return -RT_ENOMEM; + } + + for (i = 0; i < RESOLVE_RETRY; i++) + { + if (at_obj_exec_cmd(device->client, resp, "AT+CIPDOMAIN=\"%s\"", name) < 0) + { + result = -RT_ERROR; + goto __exit; + } + + /* parse the third line of response data, get the IP address */ + if (at_resp_parse_line_args_by_kw(resp, "+CIPDOMAIN:", "+CIPDOMAIN:%s", recv_ip) < 0) + { + rt_thread_mdelay(100); + /* resolve failed, maybe receive an URC CRLF */ + continue; + } + + if (rt_strlen(recv_ip) < 8) + { + rt_thread_mdelay(100); + /* resolve failed, maybe receive an URC CRLF */ + continue; + } + else + { + rt_strncpy(ip, recv_ip, 15); + ip[15] = '\0'; + break; + } + } + +__exit: + if (resp) + { + at_delete_resp(resp); + } + + return result; + +} + +/** + * set AT socket event notice callback + * + * @param event notice event + * @param cb notice callback + */ +static void esp32_socket_set_event_cb(at_socket_evt_t event, at_evt_cb_t cb) +{ + if (event < sizeof(at_evt_cb_set) / sizeof(at_evt_cb_set[1])) + { + at_evt_cb_set[event] = cb; + } +} + +static const struct at_socket_ops esp32_socket_ops = +{ + esp32_socket_connect, + esp32_socket_close, + esp32_socket_send, + esp32_domain_resolve, + esp32_socket_set_event_cb, +}; + +static void urc_send_func(struct at_client *client, const char *data, rt_size_t size) +{ + int device_socket = 0; + struct at_device *device = RT_NULL; + struct at_device_esp32 *esp32 = RT_NULL; + char *client_name = client->device->parent.name; + + RT_ASSERT(data && size); + + device = at_device_get_by_name(AT_DEVICE_NAMETYPE_CLIENT, client_name); + if (device == RT_NULL) + { + LOG_E("get device(%s) failed.", client_name); + return; + } + esp32 = (struct at_device_esp32 *) device->user_data; + device_socket = (int) esp32->user_data; + + if (rt_strstr(data, "SEND OK")) + { + esp32_socket_event_send(device, SET_EVENT(device_socket, ESP32_EVENT_SEND_OK)); + } + else if (rt_strstr(data, "SEND FAIL")) + { + esp32_socket_event_send(device, SET_EVENT(device_socket, ESP32_EVENT_SEND_FAIL)); + } +} + +static void urc_send_bfsz_func(struct at_client *client, const char *data, rt_size_t size) +{ + static int cur_send_bfsz = 0; + + RT_ASSERT(data && size); + + sscanf(data, "Recv %d bytes", &cur_send_bfsz); +} + +static void urc_close_func(struct at_client *client, const char *data, rt_size_t size) +{ + int index = 0; + struct at_socket *socket = RT_NULL; + struct at_device *device = RT_NULL; + char *client_name = client->device->parent.name; + + RT_ASSERT(data && size); + + device = at_device_get_by_name(AT_DEVICE_NAMETYPE_CLIENT, client_name); + if (device == RT_NULL) + { + LOG_E("get device(%s) failed.", client_name); + return; + } + + sscanf(data, "%d,CLOSED", &index); + socket = &(device->sockets[index]); + + /* notice the socket is disconnect by remote */ + if (at_evt_cb_set[AT_SOCKET_EVT_CLOSED]) + { + at_evt_cb_set[AT_SOCKET_EVT_CLOSED](socket, AT_SOCKET_EVT_CLOSED, RT_NULL, 0); + } +} + +static void urc_recv_func(struct at_client *client, const char *data, rt_size_t size) +{ + int device_socket = 0; + rt_int32_t timeout = 0; + rt_size_t bfsz = 0, temp_size = 0; + char *recv_buf = RT_NULL, temp[8] = {0}; + struct at_socket *socket = RT_NULL; + struct at_device *device = RT_NULL; + char *client_name = client->device->parent.name; + + RT_ASSERT(data && size); + + device = at_device_get_by_name(AT_DEVICE_NAMETYPE_CLIENT, client_name); + if (device == RT_NULL) + { + LOG_E("get device(%s) failed.", client_name); + return; + } + + /* get the at deveice socket and receive buffer size by receive data */ + sscanf(data, "+IPD,%d,%d:", &device_socket, (int *) &bfsz); + + /* set receive timeout by receive buffer length, not less than 10ms */ + timeout = bfsz > 10 ? bfsz : 10; + + if (device_socket < 0 || bfsz == 0) + return; + + recv_buf = (char *) rt_calloc(1, bfsz); + if (recv_buf == RT_NULL) + { + LOG_E("no memory receive buffer(%d).", bfsz); + /* read and clean the coming data */ + while (temp_size < bfsz) + { + if (bfsz - temp_size > sizeof(temp)) + { + at_client_obj_recv(client, temp, sizeof(temp), timeout); + } + else + { + at_client_obj_recv(client, temp, bfsz - temp_size, timeout); + } + temp_size += sizeof(temp); + } + return; + } + + /* sync receive data */ + if (at_client_obj_recv(client, recv_buf, bfsz, timeout) != bfsz) + { + LOG_E("%s device receive size(%d) data failed.", device->name, bfsz); + rt_free(recv_buf); + return; + } + + /* get at socket object by device socket descriptor */ + socket = &(device->sockets[device_socket]); + + /* notice the receive buffer and buffer size */ + if (at_evt_cb_set[AT_SOCKET_EVT_RECV]) + { + at_evt_cb_set[AT_SOCKET_EVT_RECV](socket, AT_SOCKET_EVT_RECV, recv_buf, bfsz); + } +} + +static const struct at_urc urc_table[] = +{ + {"SEND OK", "\r\n", urc_send_func}, + {"SEND FAIL", "\r\n", urc_send_func}, + {"Recv", "bytes\r\n", urc_send_bfsz_func}, + {"", ",CLOSED\r\n", urc_close_func}, + {"+IPD", ":", urc_recv_func}, +}; + +int esp32_socket_init(struct at_device *device) +{ + RT_ASSERT(device); + + /* register URC data execution function */ + at_obj_set_urc_table(device->client, urc_table, sizeof(urc_table) / sizeof(urc_table[0])); + + return RT_EOK; +} + +int esp32_socket_class_register(struct at_device_class *class) +{ + RT_ASSERT(class); + + class->socket_num = AT_DEVICE_ESP32_SOCKETS_NUM; + class->socket_ops = &esp32_socket_ops; + + return RT_EOK; +} + +#endif /* AT_DEVICE_USING_ESP32 && AT_USING_SOCKET */ diff --git a/inc/at_device.h b/inc/at_device.h index 8ed80cc..6737522 100644 --- a/inc/at_device.h +++ b/inc/at_device.h @@ -51,6 +51,7 @@ extern "C" { #define AT_DEVICE_CLASS_SIM76XX 0x05U #define AT_DEVICE_CLASS_RW007 0x06U #define AT_DEVICE_CLASS_MW31 0x07U +#define AT_DEVICE_CLASS_ESP32 0x08U /* Options and Commands for AT device control opreations */ #define AT_DEVICE_CTRL_POWER_ON 0x01L diff --git a/samples/at_sample_esp32.c b/samples/at_sample_esp32.c new file mode 100644 index 0000000..a12dcf1 --- /dev/null +++ b/samples/at_sample_esp32.c @@ -0,0 +1,52 @@ +/* + * File : at_sample_esp32.c + * This file is part of RT-Thread RTOS + * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Change Logs: + * Date Author Notes + * 2019-05-10 chenyong first version + */ + +#include + +#define LOG_TAG "at.sample.esp" +#include + +#define ESP32_SAMPLE_DEIVCE_NAME "esp0" + +static struct at_device_esp32 esp0 = +{ + ESP32_SAMPLE_DEIVCE_NAME, + ESP32_SAMPLE_CLIENT_NAME, + + ESP32_SAMPLE_WIFI_SSID, + ESP32_SAMPLE_WIFI_PASSWORD, + ESP32_SAMPLE_RECV_BUFF_LEN, +}; + +static int esp32_device_register(void) +{ + struct at_device_esp32 *esp32 = &esp0; + + return at_device_register(&(esp32->device), + esp32->device_name, + esp32->client_name, + AT_DEVICE_CLASS_ESP32, + (void *) esp32); +} +INIT_APP_EXPORT(esp32_device_register);