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circuitpython/stmhal/pybwlan.c
Damien George 04b9147e15 Add license header to (almost) all files. 
Blanket wide to all .c and .h files.  Some files originating from ST are
difficult to deal with (license wise) so it was left out of those.

Also merged modpyb.h, modos.h, modstm.h and modtime.h in stmhal/.
2014-05-03 23:27:38 +01:00

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/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "stm32f4xx_hal.h"
#include "mpconfig.h"
#include "nlr.h"
#include "misc.h"
#include "qstr.h"
#include "obj.h"
#include "runtime.h"
#if MICROPY_HW_ENABLE_CC3K
#include "cc3k/ccspi.h"
#include "cc3k/hci.h"
#include "cc3k/socket.h"
#include "cc3k/netapp.h"
#include "cc3k/wlan.h"
#include "cc3k/nvmem.h"
mp_obj_t pyb_wlan_connect(uint n_args, const mp_obj_t *args) {
const char *ap;
const char *key;
if (n_args == 2) {
ap = mp_obj_str_get_str(args[0]);
key = mp_obj_str_get_str(args[1]);
} else {
ap = "your-ssid";
key = "your-password";
}
// might want to set wlan_ioctl_set_connection_policy
int ret = wlan_connect(WLAN_SEC_WPA2, ap, strlen(ap), NULL, (byte*)key, strlen(key));
return mp_obj_new_int(ret);
}
mp_obj_t pyb_wlan_disconnect(void) {
int ret = wlan_disconnect();
return mp_obj_new_int(ret);
}
mp_obj_t decode_addr(unsigned char *ip, int n_bytes) {
char data[64] = "";
if (n_bytes == 4) {
snprintf(data, 64, "%u.%u.%u.%u", ip[3], ip[2], ip[1], ip[0]);
} else if (n_bytes == 6) {
snprintf(data, 64, "%02x:%02x:%02x:%02x:%02x:%02x", ip[5], ip[4], ip[3], ip[2], ip[1], ip[0]);
} else if (n_bytes == 32) {
snprintf(data, 64, "%s", ip);
}
return mp_obj_new_str((byte*)data, strlen(data), false);
}
void decode_addr_and_store(mp_obj_t object, qstr q_attr, unsigned char *ip, int n_bytes) {
mp_store_attr(object, q_attr, decode_addr(ip, n_bytes));
}
static mp_obj_t net_address_type = MP_OBJ_NULL;
mp_obj_t pyb_wlan_get_ip(void) {
tNetappIpconfigRetArgs ipconfig;
netapp_ipconfig(&ipconfig);
// If byte 1 is 0 we don't have a valid address
if (ipconfig.aucIP[3] == 0) {
return mp_const_none;
}
// if it doesn't already exist, make a new empty class for NetAddress objects
if (net_address_type == MP_OBJ_NULL) {
net_address_type = mp_obj_new_type(QSTR_FROM_STR_STATIC("NetAddress"), mp_const_empty_tuple, mp_obj_new_dict(0));
}
// make a new NetAddress object
mp_obj_t net_addr = mp_call_function_0(net_address_type);
// fill the NetAddress object with data
decode_addr_and_store(net_addr, QSTR_FROM_STR_STATIC("ip"), &ipconfig.aucIP[0], 4);
decode_addr_and_store(net_addr, QSTR_FROM_STR_STATIC("subnet"), &ipconfig.aucSubnetMask[0], 4);
decode_addr_and_store(net_addr, QSTR_FROM_STR_STATIC("gateway"), &ipconfig.aucDefaultGateway[0], 4);
decode_addr_and_store(net_addr, QSTR_FROM_STR_STATIC("dhcp"), &ipconfig.aucDHCPServer[0], 4);
decode_addr_and_store(net_addr, QSTR_FROM_STR_STATIC("dns"), &ipconfig.aucDNSServer[0], 4);
decode_addr_and_store(net_addr, QSTR_FROM_STR_STATIC("mac"), &ipconfig.uaMacAddr[0], 6);
decode_addr_and_store(net_addr, QSTR_FROM_STR_STATIC("ssid"), &ipconfig.uaSSID[0], 32);
return net_addr;
}
uint32_t last_ip = 0; // XXX such a hack!
mp_obj_t pyb_wlan_get_host(mp_obj_t host_name) {
const char *host = mp_obj_str_get_str(host_name);
uint32_t ip;
if (gethostbyname(host, strlen(host), &ip) < 0) {
printf("gethostbyname failed\n");
return mp_const_none;
}
if (ip == 0) {
// unknown host
return mp_const_none;
}
last_ip = ip;
byte ip_data[4];
ip_data[0] = ((ip >> 0) & 0xff);
ip_data[1] = ((ip >> 8) & 0xff);
ip_data[2] = ((ip >> 16) & 0xff);
ip_data[3] = ((ip >> 24) & 0xff);
return decode_addr(ip_data, 4);
}
mp_obj_t pyb_wlan_http_get(mp_obj_t host_name, mp_obj_t host_path) {
if (host_name == mp_const_none) {
last_ip = (192 << 24) | (168 << 16) | (0 << 8) | (3);
} else {
if (pyb_wlan_get_host(host_name) == mp_const_none) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "unknown host"));
}
}
int sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (sd < 0) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "socket failed: %d", sd));
}
//printf("socket seemed to work\n");
//HAL_Delay(200);
sockaddr_in remote;
memset(&remote, 0, sizeof(sockaddr_in));
remote.sin_family = AF_INET;
remote.sin_port = htons(80);
remote.sin_addr.s_addr = htonl(last_ip);
int ret = connect(sd, (sockaddr*)&remote, sizeof(sockaddr));
if (ret != 0) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "connect failed: %d", ret));
}
//printf("connect seemed to work\n");
//HAL_Delay(200);
vstr_t *vstr = vstr_new();
vstr_printf(vstr, "GET %s HTTP/1.1\r\nHost: %s\r\nUser-Agent: PYBv2\r\n\r\n", mp_obj_str_get_str(host_path), mp_obj_str_get_qstr(host_name));
const char *query = vstr_str(vstr);
// send query
{
int sent = 0;
while (sent < strlen(query)) {
/*
extern void SpiIntGPIOHandler(void);
SpiIntGPIOHandler();
*/
//printf("sending %d bytes\n", strlen(query + sent));
ret = send(sd, query + sent, strlen(query + sent), 0);
//printf("sent %d bytes\n", ret);
if (ret < 0) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "send failed"));
}
sent += ret;
//HAL_Delay(200);
}
}
//printf("send seemed to work!\n");
//HAL_Delay(5000);
// receive reply
mp_obj_t mp_ret = mp_const_none;
{
//printf("doing receive\n");
char buf[64];
vstr_reset(vstr);
for (;;) {
// do a select() call on this socket
timeval timeout;
fd_set fd_read;
memset(&fd_read, 0, sizeof(fd_read));
FD_SET(sd, &fd_read);
timeout.tv_sec = 0;
timeout.tv_usec = 500000; // 500 millisec
int s = select(sd+1, &fd_read, NULL, NULL, &timeout);
if (s == 0) {
// no data available
break;
}
// read data
ret = recv(sd, buf, 64, 0);
if (ret < 0) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "recv failed %d", ret));
}
vstr_add_strn(vstr, buf, ret);
}
mp_ret = mp_obj_new_str((byte*)vstr->buf, vstr->len, false);
}
closesocket(sd);
vstr_free(vstr);
return mp_ret;
}
mp_obj_t pyb_wlan_serve(void) {
printf("serve socket\n");
int sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
printf("serve socket got %d\n", sd);
HAL_Delay(500);
if (sd < 0) {
printf("socket fail\n");
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "socket failed: %d", sd));
}
/*
if (setsockopt(sd, SOL_SOCKET, SOCKOPT_ACCEPT_NONBLOCK, SOCK_ON, sizeof(SOCK_ON)) < 0) {
printf("couldn't set socket as non-blocking\n");
return mp_const_none;
}
*/
sockaddr_in remote;
memset(&remote, 0, sizeof(sockaddr_in));
remote.sin_family = AF_INET;
remote.sin_port = htons(8080);
remote.sin_addr.s_addr = htonl(0);
printf("serve bind\n");
int ret = bind(sd, (sockaddr*)&remote, sizeof(sockaddr));
printf("serve bind got %d\n", ret);
HAL_Delay(100);
if (ret != 0) {
printf("bind fail\n");
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "bind failed: %d", ret));
}
printf("bind seemed to work\n");
// listen
ret = listen(sd, 0);
printf("listen = %d\n", ret);
HAL_Delay(100);
// accept connections
int fd = -1;
for (;;) {
sockaddr accept_addr;
socklen_t accept_len;
fd = accept(sd, &accept_addr, &accept_len);
printf("accept = %d\n", fd);
HAL_Delay(500);
if (fd >= 0) {
break;
}
}
// receive some data
{
printf("receiving on sd=%d fd=%d\n", sd, fd);
char buf[64];
ret = recv(fd, buf, 64, 0);
printf("recv = %d\n", ret);
if (ret > 0) {
printf("****%.*s****\n", ret, buf);
}
HAL_Delay(100);
}
// send some data
ret = send(fd, "test data!", 10, 0);
printf("send = %d\n", ret);
HAL_Delay(100);
closesocket(fd);
closesocket(sd);
return mp_const_none;
}
//*****************************************************************************
//
//! CC3000_UsynchCallback
//!
//! @param lEventType Event type
//! @param data
//! @param length
//!
//! @return none
//!
//! @brief The function handles asynchronous events that come from CC3000
//! device and operates a led for indicate
//
//*****************************************************************************
void CC3000_UsynchCallback(long lEventType, char * data, unsigned char length)
{
if (lEventType == HCI_EVNT_WLAN_ASYNC_SIMPLE_CONFIG_DONE)
{
//ulSmartConfigFinished = 1;
//ucStopSmartConfig = 1;
printf("WLAN: simple config done\n");
}
if (lEventType == HCI_EVNT_WLAN_UNSOL_CONNECT)
{
//ulCC3000Connected = 1;
printf("WLAN unsol connect\n");
}
if (lEventType == HCI_EVNT_WLAN_UNSOL_DISCONNECT)
{
//ulCC3000Connected = 0;
//ulCC3000DHCP = 0;
//ulCC3000DHCP_configured = 0;
printf("WLAN unsol disconnect\n");
}
if (lEventType == HCI_EVNT_WLAN_UNSOL_DHCP)
{
//ulCC3000DHCP = 1;
printf("WLAN unsol DHCP\n");
}
if (lEventType == HCI_EVENT_CC3000_CAN_SHUT_DOWN)
{
//OkToDoShutDown = 1;
printf("WLAN can shut down\n");
}
if (lEventType == HCI_EVNT_WLAN_ASYNC_PING_REPORT)
{
printf("WLAN async ping report\n");
//PRINT_F("CC3000: Ping report\n\r");
//pingReportnum++;
//memcpy(&pingReport, data, length);
}
if (lEventType == HCI_EVNT_BSD_TCP_CLOSE_WAIT) {
printf("WLAN bsd tcp close wait\n");
/*
uint8_t socketnum;
socketnum = data[0];
//PRINT_F("TCP Close wait #"); printDec(socketnum);
if (socketnum < MAX_SOCKETS)
closed_sockets[socketnum] = true;
*/
}
}
void pyb_wlan_init(void) {
SpiInit();
wlan_init(CC3000_UsynchCallback, sendWLFWPatch, sendDriverPatch, sendBootLoaderPatch, ReadWlanInterruptPin, WlanInterruptEnable, WlanInterruptDisable, WriteWlanPin);
mp_obj_t m = mp_obj_new_module(QSTR_FROM_STR_STATIC("wlan"));
mp_store_attr(m, QSTR_FROM_STR_STATIC("connect"), mp_make_function_var(0, pyb_wlan_connect));
mp_store_attr(m, QSTR_FROM_STR_STATIC("disconnect"), mp_make_function_n(0, pyb_wlan_disconnect));
mp_store_attr(m, QSTR_FROM_STR_STATIC("ip"), mp_make_function_n(0, pyb_wlan_get_ip));
mp_store_attr(m, QSTR_FROM_STR_STATIC("get_host"), mp_make_function_n(1, pyb_wlan_get_host));
mp_store_attr(m, QSTR_FROM_STR_STATIC("http_get"), mp_make_function_n(2, pyb_wlan_http_get));
mp_store_attr(m, QSTR_FROM_STR_STATIC("serve"), mp_make_function_n(0, pyb_wlan_serve));
mp_store_name(QSTR_FROM_STR_STATIC("wlan"), m);
}
void pyb_wlan_start(void) {
wlan_start(0);
// TODO: check return value !=0
wlan_ioctl_set_connection_policy(0, 0, 0); // don't auto-connect
wlan_ioctl_del_profile(255); // delete stored eeprom data
// Mask out all non-required events from CC3000
wlan_set_event_mask(HCI_EVNT_WLAN_UNSOL_INIT |
//HCI_EVNT_WLAN_ASYNC_PING_REPORT |// we want ping reports
//HCI_EVNT_BSD_TCP_CLOSE_WAIT |
//HCI_EVNT_WLAN_TX_COMPLETE |
HCI_EVNT_WLAN_KEEPALIVE);
/*
byte ver[2];
int ret = nvmem_read_sp_version(ver);
printf("nvmem_read_sp_version=%d; %02x %02x\n", ret, ver[0], ver[1]);
*/
}
#endif // MICROPY_HW_ENABLE_CC3K
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