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rt-thread/components/drivers/spi/spi_wifi_rw009.c

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/*
* File : spi_wifi_rw009.c
* This file is part of RT-Thread RTOS
* Copyright by Shanghai Real-Thread Electronic Technology Co.,Ltd
*
* 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
* 2014-07-31 aozima the first version
* 2014-09-18 aozima update command & response.
*/
#include <rtthread.h>
#include <drivers/spi.h>
#include <netif/ethernetif.h>
#include <netif/etharp.h>
#include <lwip/icmp.h>
#include "lwipopts.h"
#define WIFI_DEBUG_ON
// #define ETH_RX_DUMP
// #define ETH_TX_DUMP
#ifdef WIFI_DEBUG_ON
#define WIFI_DEBUG rt_kprintf("[RW009] ");rt_kprintf
//#define SPI_DEBUG rt_kprintf("[SPI] ");rt_kprintf
#define SPI_DEBUG(...)
#else
#define WIFI_DEBUG(...)
#define SPI_DEBUG(...)
#endif /* #ifdef WIFI_DEBUG_ON */
/********************************* RW009 **************************************/
#include "spi_wifi_rw009.h"
/* tools */
#define node_entry(node, type, member) \
((type *)((char *)(node) - (unsigned long)(&((type *)0)->member)))
#define member_offset(type, member) \
((unsigned long)(&((type *)0)->member))
#define MAX_SPI_PACKET_SIZE (member_offset(struct spi_data_packet, buffer) + SPI_MAX_DATA_LEN)
#define MAX_SPI_BUFFER_SIZE (sizeof(struct spi_response) + MAX_SPI_PACKET_SIZE)
#define MAX_ADDR_LEN 6
struct rw009_wifi
{
/* inherit from ethernet device */
struct eth_device parent;
struct rt_spi_device *rt_spi_device;
/* interface address info. */
rt_uint8_t dev_addr[MAX_ADDR_LEN]; /* hw address */
rt_uint8_t active;
struct rt_mempool spi_tx_mp;
struct rt_mempool spi_rx_mp;
struct rt_mailbox spi_tx_mb;
struct rt_mailbox eth_rx_mb;
int spi_tx_mb_pool[SPI_TX_POOL_SIZE + 1];
int eth_rx_mb_pool[SPI_RX_POOL_SIZE + 1];
int rw009_cmd_mb_pool[3];
struct rt_mailbox rw009_cmd_mb;
uint32_t last_cmd;
ALIGN(4)
rt_uint8_t spi_tx_mempool[(sizeof(struct spi_data_packet) + 4) * SPI_TX_POOL_SIZE];
ALIGN(4)
rt_uint8_t spi_rx_mempool[(sizeof(struct spi_data_packet) + 4) * SPI_RX_POOL_SIZE];
ALIGN(4)
uint8_t spi_hw_rx_buffer[MAX_SPI_BUFFER_SIZE];
/* status for RW009 */
rw009_ap_info ap_info; /* AP info for conn. */
rw009_ap_info *ap_scan; /* AP list for SCAN. */
uint32_t ap_scan_count;
};
static struct rw009_wifi rw009_wifi_device;
static struct rt_event spi_wifi_data_event;
static void resp_handler(struct rw009_wifi *wifi_device, struct rw009_resp *resp)
{
struct rw009_resp *resp_return = RT_NULL;
switch (resp->cmd)
{
case RW009_CMD_INIT:
WIFI_DEBUG("resp_handler RW009_CMD_INIT\n");
resp_return = (struct rw009_resp *)rt_malloc(member_offset(struct rw009_resp, resp) + sizeof(rw009_resp_init)); //TODO:
if(resp_return == RT_NULL) break;
memcpy(resp_return, resp, member_offset(struct rw009_resp, resp) + sizeof(rw009_resp_init));
WIFI_DEBUG("sn:%-*.*s\n", sizeof(resp->resp.init.sn), sizeof(resp->resp.init.sn), resp->resp.init.sn);
WIFI_DEBUG("version:%-*.*s\n", sizeof(resp->resp.init.version), sizeof(resp->resp.init.version), resp->resp.init.version);
rt_memcpy(wifi_device->dev_addr, resp->resp.init.mac, 6);
break;
case RW009_CMD_SCAN:
if( resp->len == sizeof(rw009_ap_info) )
{
rw009_ap_info *ap_scan = rt_realloc(wifi_device->ap_scan, sizeof(rw009_ap_info) * (wifi_device->ap_scan_count + 1) );
if(ap_scan != RT_NULL)
{
memcpy( &ap_scan[wifi_device->ap_scan_count], &resp->resp.ap_info, sizeof(rw009_ap_info) );
//dump
if(1)
{
rw009_ap_info *ap_info = &resp->resp.ap_info;
WIFI_DEBUG("SCAN SSID:%-32.32s\n", ap_info->ssid);
WIFI_DEBUG("SCAN BSSID:%02X-%02X-%02X-%02X-%02X-%02X\n",
ap_info->bssid[0],
ap_info->bssid[1],
ap_info->bssid[2],
ap_info->bssid[3],
ap_info->bssid[4],
ap_info->bssid[5]);
WIFI_DEBUG("SCAN rssi:%ddBm\n", ap_info->rssi);
WIFI_DEBUG("SCAN rate:%dMbps\n", ap_info->max_data_rate/1000);
WIFI_DEBUG("SCAN channel:%d\n", ap_info->channel);
WIFI_DEBUG("SCAN security:%08X\n\n", ap_info->security);
}
wifi_device->ap_scan_count++;
wifi_device->ap_scan = ap_scan;
}
return; /* wait for next ap */
}
break;
case RW009_CMD_JOIN:
case RW009_CMD_EASY_JOIN:
WIFI_DEBUG("resp_handler RW009_CMD_EASY_JOIN\n");
resp_return = (struct rw009_resp *)rt_malloc(member_offset(struct rw009_resp, resp) + sizeof(rw009_resp_join)); //TODO:
if(resp_return == RT_NULL) break;
memcpy(resp_return, resp, member_offset(struct rw009_resp, resp) + sizeof(rw009_resp_join));
if( resp->result == 0 )
{
memcpy(&wifi_device->ap_info, &resp_return->resp.ap_info, sizeof(rw009_resp_join));
wifi_device->active = 1;
eth_device_linkchange(&wifi_device->parent, RT_TRUE);
}
else
{
WIFI_DEBUG("RW009_CMD_EASY_JOIN result: %d\n", resp->result );
}
//dupm
if(1)
{
rw009_ap_info *ap_info = &resp->resp.ap_info;
WIFI_DEBUG("JOIN SSID:%-32.32s\n", ap_info->ssid);
WIFI_DEBUG("JOIN BSSID:%02X-%02X-%02X-%02X-%02X-%02X\n",
ap_info->bssid[0],
ap_info->bssid[1],
ap_info->bssid[2],
ap_info->bssid[3],
ap_info->bssid[4],
ap_info->bssid[5]);
WIFI_DEBUG("JOIN rssi:%ddBm\n", ap_info->rssi);
WIFI_DEBUG("JOIN rate:%dMbps\n", ap_info->max_data_rate/1000);
WIFI_DEBUG("JOIN channel:%d\n", ap_info->channel);
WIFI_DEBUG("JOIN security:%08X\n\n", ap_info->security);
}
break;
case RW009_CMD_RSSI:
// TODO: client RSSI.
{
rw009_ap_info *ap_info = &resp->resp.ap_info;
wifi_device->ap_info.rssi = ap_info->rssi;
WIFI_DEBUG("current RSSI: %d\n", wifi_device->ap_info.rssi);
}
break;
default:
WIFI_DEBUG("resp_handler %d\n", resp->cmd);
break;
}
if(resp->cmd == wifi_device->last_cmd)
{
rt_mb_send(&wifi_device->rw009_cmd_mb, (rt_uint32_t)resp_return);
return;
}
else
{
rt_free(resp_return);
}
}
static rt_err_t rw009_cmd(struct rw009_wifi *wifi_device, uint32_t cmd, void *args)
{
rt_err_t result = RT_EOK;
rt_int32_t timeout = RW009_CMD_TIMEOUT;
struct spi_data_packet *data_packet;
struct rw009_cmd *wifi_cmd = RT_NULL;
struct rw009_resp *resp = RT_NULL;
wifi_device->last_cmd = cmd;
data_packet = (struct spi_data_packet *)rt_mp_alloc(&wifi_device->spi_tx_mp, RT_WAITING_FOREVER);
wifi_cmd = (struct rw009_cmd *)data_packet->buffer;
wifi_cmd->cmd = cmd;
wifi_cmd->len = 0;
if( cmd == RW009_CMD_INIT )
{
wifi_cmd->len = sizeof(rw009_cmd_init);
}
else if( cmd == RW009_CMD_SCAN )
{
wifi_cmd->len = 0;
timeout += RT_TICK_PER_SECOND*10;
if(wifi_device->ap_scan)
{
rt_free(wifi_device->ap_scan);
wifi_device->ap_scan = RT_NULL;
wifi_device->ap_scan_count = 0;
}
}
else if( cmd == RW009_CMD_JOIN )
{
wifi_cmd->len = sizeof(rw009_cmd_join);
}
else if( cmd == RW009_CMD_EASY_JOIN )
{
wifi_cmd->len = sizeof(rw009_cmd_easy_join);
timeout += RT_TICK_PER_SECOND*5;
}
else if( cmd == RW009_CMD_RSSI )
{
wifi_cmd->len = sizeof(rw009_cmd_rssi);
}
else
{
WIFI_DEBUG("unkown RW009 CMD %d\n", cmd);
result = -RT_ENOSYS;
rt_mp_free(data_packet);
data_packet = RT_NULL;
}
if(data_packet == RT_NULL)
{
goto _exit;
}
if(wifi_cmd->len)
memcpy(&wifi_cmd->params, args, wifi_cmd->len);
data_packet->data_type = data_type_cmd;
data_packet->data_len = member_offset(struct rw009_cmd, params) + wifi_cmd->len;
rt_mb_send(&wifi_device->spi_tx_mb, (rt_uint32_t)data_packet);
rt_event_send(&spi_wifi_data_event, 1);
result = rt_mb_recv(&wifi_device->rw009_cmd_mb,
(rt_uint32_t *)&resp,
timeout);
if ( result != RT_EOK )
{
WIFI_DEBUG("CMD %d error, resultL %d\n", cmd, result );
}
if(resp != RT_NULL)
result = resp->result;
_exit:
wifi_device->last_cmd = 0;
if(resp) rt_free(resp);
return result;
}
static rt_err_t spi_wifi_transfer(struct rw009_wifi *dev)
{
struct pbuf *p = RT_NULL;
struct spi_cmd_request cmd;
struct spi_response resp;
rt_err_t result;
const struct spi_data_packet *data_packet = RT_NULL;
struct rw009_wifi *wifi_device = (struct rw009_wifi *)dev;
struct rt_spi_device *rt_spi_device = wifi_device->rt_spi_device;
spi_wifi_int_cmd(0);
while (spi_wifi_is_busy());
SPI_DEBUG("sequence start!\n");
memset(&cmd, 0, sizeof(struct spi_cmd_request));
cmd.magic1 = CMD_MAGIC1;
cmd.magic2 = CMD_MAGIC2;
cmd.flag |= CMD_FLAG_MRDY;
result = rt_mb_recv(&wifi_device->spi_tx_mb,
(rt_uint32_t *)&data_packet,
0);
if ((result == RT_EOK) && (data_packet != RT_NULL) && (data_packet->data_len > 0))
{
cmd.M2S_len = data_packet->data_len + member_offset(struct spi_data_packet, buffer);
//SPI_DEBUG("cmd.M2S_len = %d\n", cmd.M2S_len);
}
rt_spi_send(rt_spi_device, &cmd, sizeof(cmd));
while (spi_wifi_is_busy());
{
struct rt_spi_message message;
uint32_t max_data_len = 0;
/* setup message */
message.send_buf = RT_NULL;
message.recv_buf = &resp;
message.length = sizeof(resp);
message.cs_take = 1;
message.cs_release = 0;
rt_spi_take_bus(rt_spi_device);
/* transfer message */
rt_spi_device->bus->ops->xfer(rt_spi_device, &message);
if ((resp.magic1 != RESP_MAGIC1) || (resp.magic2 != RESP_MAGIC2))
{
SPI_DEBUG("bad resp magic, abort!\n");
goto _bad_resp_magic;
}
if (resp.flag & RESP_FLAG_SRDY)
{
SPI_DEBUG("RESP_FLAG_SRDY\n");
max_data_len = cmd.M2S_len;
}
if (resp.S2M_len)
{
SPI_DEBUG("resp.S2M_len: %d\n", resp.S2M_len);
if (resp.S2M_len > MAX_SPI_PACKET_SIZE)
{
SPI_DEBUG("resp.S2M_len %d > %d(MAX_SPI_PACKET_SIZE), drop!\n", resp.S2M_len, MAX_SPI_PACKET_SIZE);
resp.S2M_len = 0;//drop
}
if (resp.S2M_len > max_data_len)
max_data_len = resp.S2M_len;
}
if (max_data_len == 0)
{
SPI_DEBUG("no rx or tx data!\n");
}
//SPI_DEBUG("max_data_len = %d\n", max_data_len);
_bad_resp_magic:
/* setup message */
message.send_buf = data_packet;//&tx_buffer;
message.recv_buf = wifi_device->spi_hw_rx_buffer;//&rx_buffer;
message.length = max_data_len;
message.cs_take = 0;
message.cs_release = 1;
/* transfer message */
rt_spi_device->bus->ops->xfer(rt_spi_device, &message);
rt_spi_release_bus(rt_spi_device);
if (cmd.M2S_len && (resp.flag & RESP_FLAG_SRDY))
{
rt_mp_free((void *)data_packet);
}
if ((resp.S2M_len) && (resp.S2M_len <= MAX_SPI_PACKET_SIZE))
{
data_packet = (struct spi_data_packet *)wifi_device->spi_hw_rx_buffer;
if (data_packet->data_type == data_type_eth_data)
{
if (wifi_device->active)
{
p = pbuf_alloc(PBUF_LINK, data_packet->data_len, PBUF_RAM);
pbuf_take(p, (rt_uint8_t *)data_packet->buffer, data_packet->data_len);
rt_mb_send(&wifi_device->eth_rx_mb, (rt_uint32_t)p);
eth_device_ready((struct eth_device *)dev);
}
else
{
SPI_DEBUG("!active, RX drop.\n");
}
}
else if (data_packet->data_type == data_type_resp)
{
SPI_DEBUG("data_type_resp\n");
resp_handler(dev, (struct rw009_resp *)data_packet->buffer);
}
else
{
SPI_DEBUG("data_type: %d, %dbyte\n",
data_packet->data_type,
data_packet->data_len);
}
}
}
spi_wifi_int_cmd(1);
SPI_DEBUG("sequence finish!\n\n");
if ((cmd.M2S_len == 0) && (resp.S2M_len == 0))
{
return -RT_ERROR;
}
return RT_EOK;
}
#if defined(ETH_RX_DUMP) || defined(ETH_TX_DUMP)
static void packet_dump(const char *msg, const struct pbuf *p)
{
const struct pbuf* q;
rt_uint32_t i,j;
rt_uint8_t *ptr = p->payload;
rt_kprintf("%s %d byte\n", msg, p->tot_len);
i=0;
for(q=p; q != RT_NULL; q= q->next)
{
ptr = q->payload;
for(j=0; j<q->len; j++)
{
if( (i%8) == 0 )
{
rt_kprintf(" ");
}
if( (i%16) == 0 )
{
rt_kprintf("\r\n");
}
rt_kprintf("%02x ",*ptr);
i++;
ptr++;
}
}
rt_kprintf("\n\n");
}
#endif /* dump */
/********************************* RT-Thread Ethernet interface begin **************************************/
static rt_err_t rw009_wifi_init(rt_device_t dev)
{
return RT_EOK;
}
static rt_err_t rw009_wifi_open(rt_device_t dev, rt_uint16_t oflag)
{
return RT_EOK;
}
static rt_err_t rw009_wifi_close(rt_device_t dev)
{
return RT_EOK;
}
static rt_size_t rw009_wifi_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
{
rt_set_errno(-RT_ENOSYS);
return 0;
}
static rt_size_t rw009_wifi_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
{
rt_set_errno(-RT_ENOSYS);
return 0;
}
static rt_err_t rw009_wifi_control(rt_device_t dev, rt_uint8_t cmd, void *args)
{
struct rw009_wifi *wifi_device = (struct rw009_wifi *)dev;
rt_err_t result = RT_EOK;
if (cmd == NIOCTL_GADDR)
{
memcpy(args, wifi_device->dev_addr, 6);
}
else
{
result = rw009_cmd(wifi_device, cmd, args);
}
return result;
}
/* transmit packet. */
rt_err_t rw009_wifi_tx(rt_device_t dev, struct pbuf *p)
{
rt_err_t result = RT_EOK;
struct spi_data_packet *data_packet;
struct rw009_wifi *wifi_device = (struct rw009_wifi *)dev;
if (!wifi_device->active)
{
WIFI_DEBUG("!active, TX drop!\n");
return RT_EOK;
}
/* get free tx buffer */
data_packet = (struct spi_data_packet *)rt_mp_alloc(&wifi_device->spi_tx_mp, RT_WAITING_FOREVER);
if (data_packet != RT_NULL)
{
data_packet->data_type = data_type_eth_data;
data_packet->data_len = p->tot_len;
pbuf_copy_partial(p, data_packet->buffer, data_packet->data_len, 0);
rt_mb_send(&wifi_device->spi_tx_mb, (rt_uint32_t)data_packet);
rt_event_send(&spi_wifi_data_event, 1);
}
else
return -RT_ERROR;
#ifdef ETH_TX_DUMP
packet_dump("TX dump", p);
#endif /* ETH_TX_DUMP */
/* Return SUCCESS */
return result;
}
/* reception packet. */
struct pbuf *rw009_wifi_rx(rt_device_t dev)
{
struct pbuf *p = RT_NULL;
struct rw009_wifi *wifi_device = (struct rw009_wifi *)dev;
if (rt_mb_recv(&wifi_device->eth_rx_mb, (rt_uint32_t *)&p, 0) != RT_EOK)
{
return RT_NULL;
}
#ifdef ETH_RX_DUMP
if(p)
packet_dump("RX dump", p);
#endif /* ETH_RX_DUMP */
return p;
}
/********************************* RT-Thread Ethernet interface end **************************************/
static void spi_wifi_data_thread_entry(void *parameter)
{
rt_uint32_t e;
rt_err_t result;
while (1)
{
/* receive first event */
if (rt_event_recv(&spi_wifi_data_event,
1,
RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR,
RT_WAITING_FOREVER,
&e) != RT_EOK)
{
continue;
}
result = spi_wifi_transfer(&rw009_wifi_device);
if (result == RT_EOK)
{
rt_event_send(&spi_wifi_data_event, 1);
}
}
}
rt_err_t rt_hw_wifi_init(const char *spi_device_name)
{
/* align and struct size check. */
RT_ASSERT( (SPI_MAX_DATA_LEN & 0x03) == 0);
RT_ASSERT( sizeof(struct rw009_resp) <= SPI_MAX_DATA_LEN);
memset(&rw009_wifi_device, 0, sizeof(struct rw009_wifi));
rw009_wifi_device.rt_spi_device = (struct rt_spi_device *)rt_device_find(spi_device_name);
if (rw009_wifi_device.rt_spi_device == RT_NULL)
{
SPI_DEBUG("spi device %s not found!\r\n", spi_device_name);
return -RT_ENOSYS;
}
/* config spi */
{
struct rt_spi_configuration cfg;
cfg.data_width = 8;
cfg.mode = RT_SPI_MODE_0 | RT_SPI_MSB; /* SPI Compatible: Mode 0. */
cfg.max_hz = 15 * 1000000; /* 10M */
rt_spi_configure(rw009_wifi_device.rt_spi_device, &cfg);
}
rw009_wifi_device.parent.parent.init = rw009_wifi_init;
rw009_wifi_device.parent.parent.open = rw009_wifi_open;
rw009_wifi_device.parent.parent.close = rw009_wifi_close;
rw009_wifi_device.parent.parent.read = rw009_wifi_read;
rw009_wifi_device.parent.parent.write = rw009_wifi_write;
rw009_wifi_device.parent.parent.control = rw009_wifi_control;
rw009_wifi_device.parent.parent.user_data = RT_NULL;
rw009_wifi_device.parent.eth_rx = rw009_wifi_rx;
rw009_wifi_device.parent.eth_tx = rw009_wifi_tx;
rt_mp_init(&rw009_wifi_device.spi_tx_mp,
"spi_tx",
&rw009_wifi_device.spi_tx_mempool[0],
sizeof(rw009_wifi_device.spi_tx_mempool),
sizeof(struct spi_data_packet));
rt_mp_init(&rw009_wifi_device.spi_rx_mp,
"spi_rx",
&rw009_wifi_device.spi_rx_mempool[0],
sizeof(rw009_wifi_device.spi_rx_mempool),
sizeof(struct spi_data_packet));
rt_mb_init(&rw009_wifi_device.spi_tx_mb,
"spi_tx",
&rw009_wifi_device.spi_tx_mb_pool[0],
SPI_TX_POOL_SIZE,
RT_IPC_FLAG_PRIO);
rt_mb_init(&rw009_wifi_device.eth_rx_mb,
"eth_rx",
&rw009_wifi_device.eth_rx_mb_pool[0],
SPI_TX_POOL_SIZE,
RT_IPC_FLAG_PRIO);
rt_mb_init(&rw009_wifi_device.rw009_cmd_mb,
"wifi_cmd",
&rw009_wifi_device.rw009_cmd_mb_pool[0],
sizeof(rw009_wifi_device.rw009_cmd_mb_pool) / 4,
RT_IPC_FLAG_PRIO);
rt_event_init(&spi_wifi_data_event, "wifi", RT_IPC_FLAG_FIFO);
spi_wifi_hw_init();
{
rt_thread_t tid;
tid = rt_thread_create("wifi",
spi_wifi_data_thread_entry,
RT_NULL,
2048,
RT_THREAD_PRIORITY_MAX - 2,
20);
if (tid != RT_NULL)
rt_thread_startup(tid);
}
/* init: get mac address */
{
WIFI_DEBUG("wifi_control RW009_CMD_INIT\n");
rw009_wifi_control((rt_device_t)&rw009_wifi_device,
RW009_CMD_INIT,
(void *)1); // 0: firmware, 1: STA, 2:AP
}
/* register eth device */
eth_device_init(&(rw009_wifi_device.parent), "w0");
eth_device_linkchange(&rw009_wifi_device.parent, RT_FALSE);
return RT_EOK;
}
void spi_wifi_isr(int vector)
{
/* enter interrupt */
rt_interrupt_enter();
SPI_DEBUG("spi_wifi_isr\n");
rt_event_send(&spi_wifi_data_event, 1);
/* leave interrupt */
rt_interrupt_leave();
}
/********************************* RW009 tools **************************************/
rt_err_t rw009_join(const char * SSID, const char * passwd)
{
rt_err_t result;
rt_device_t wifi_device;
rw009_cmd_easy_join easy_join;
wifi_device = rt_device_find("w0");
if(wifi_device == RT_NULL)
return -RT_ENOSYS;
strncpy( easy_join.ssid, SSID, sizeof(easy_join.ssid) );
strncpy( easy_join.passwd, passwd, sizeof(easy_join.passwd) );
result = rt_device_control(wifi_device,
RW009_CMD_EASY_JOIN,
(void *)&easy_join);
return result;
}
int32_t rw009_rssi(void)
{
rt_err_t result;
struct rw009_wifi * wifi_device;
wifi_device = (struct rw009_wifi *)rt_device_find("w0");
if(wifi_device == RT_NULL)
return 0;
if(wifi_device->active == 0)
return 0;
// SCAN
result = rt_device_control((rt_device_t)wifi_device,
RW009_CMD_RSSI,
RT_NULL);
if(result == RT_EOK)
{
return wifi_device->ap_info.rssi;
}
return 0;
}
#ifdef RT_USING_FINSH
#include <finsh.h>
static rt_err_t rw009_scan(void)
{
rt_err_t result;
struct rw009_wifi * wifi_device;
wifi_device = (struct rw009_wifi *)rt_device_find("w0");
rt_kprintf("\nCMD RW009_CMD_SCAN \n");
result = rt_device_control((rt_device_t)wifi_device,
RW009_CMD_SCAN,
RT_NULL);
rt_kprintf("CMD RW009_CMD_SCAN result:%d\n", result);
if(result == RT_EOK)
{
uint32_t i;
rw009_ap_info *ap_info;
for(i=0; i<wifi_device->ap_scan_count; i++)
{
ap_info = &wifi_device->ap_scan[i];
rt_kprintf("AP #%02d SSID: %-32.32s\n", i, ap_info->ssid );
}
}
return result;
}
FINSH_FUNCTION_EXPORT(rw009_scan, SACN and list AP.);
FINSH_FUNCTION_EXPORT(rw009_join, RW009 join to AP.);
FINSH_FUNCTION_EXPORT(rw009_rssi, get RW009 current AP rssi.);
#endif // RT_USING_FINSH
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