iowfehu;gdbjwHJAOPIHO?L
Fork of X_NUCLEO_IDW01M1 by
WIFI_API/SpwfSADevice.cpp
- Committer:
- mridup
- Date:
- 2016-04-13
- Revision:
- 0:dc55f40eb04f
File content as of revision 0:dc55f40eb04f:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** ****************************************************************************** * @file SpwfSADevice.cpp * @author STMicroelectronics * @brief Implementation of SpwfSADevice class for Wi-Fi mbed ****************************************************************************** * @copy * * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. * * <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2> ****************************************************************************** */ #include "SpwfSADevice.h" #ifdef __cplusplus extern "C" { #endif void Rx_irq_handler(void); void Wifi_scheduler(void); void Wifi_ticker(void); #ifdef __cplusplus } #endif extern void setSpwfSADevice(SpwfSADevice * dev); SpwfSADevice::SpwfSADevice(PinName tx, PinName rx, PinName rst, PinName wkup, PinName rts): uart_(tx,rx), term_(SERIAL_TX, SERIAL_RX), wakeup_(wkup, PIN_INPUT, PullNone, 0), rst_(rst, PIN_INPUT, PullUp, 1), rts_(rts, PIN_INPUT, PullUp, 0) { setSpwfSADevice(this); sync_wait_signal = false; } SpwfSADevice::~SpwfSADevice(void) { //de-constructor } int32_t SpwfSADevice::init(void) { WiFi_Status_t status = WiFi_MODULE_SUCCESS; Timer timer; timer.start(); rst_.output(); wakeup_.output(); rts_.output(); term_.baud(9600); term_.format(8, SerialBase::None, 1); uart_.baud(115200); uart_.format(8, SerialBase::None, 1); uart_.set_flow_control(SerialBase::RTS, PA_12, NC);//RTSCTS uart_.attach(Rx_irq_handler, SerialBase::RxIrq); config.power=wifi_active; config.power_level=high; config.dhcp=on;//use DHCP IP address /*Initialize the tickers*/ wifi_isr.attach_us(Wifi_ticker, 1000); //decreasing the time period to 1ms may be causing overrun issue with UART?\ //UART error not evident but characters are sometimes missing in pipeline(ring_buffer)\ //specifically in the +WIND:25:WiFi Association with 'STM' successful WIND (why specifically this?) wifi_callback.attach_us(Wifi_scheduler, 2000);//How low can we go? sync_wait_signal = false; status = wifi_init(&config); if(status!=WiFi_MODULE_SUCCESS) { return -1; } while(!sync_wait_signal) { if (timer.read_ms() > _timeout) { return -1; } __NOP(); } return 0; } int32_t SpwfSADevice::connect(char * ssid, char * sec_key, WiFi_Priv_Mode priv_mode) { WiFi_Status_t status = WiFi_MODULE_SUCCESS; Timer timer; timer.start(); sync_wait_signal = false; status = wifi_connect(ssid, sec_key, priv_mode); if(status!=WiFi_MODULE_SUCCESS) { return -1; } while(!sync_wait_signal) { if (timer.read_ms() > _timeout) { return -1; } __NOP(); } return 0; } int32_t SpwfSADevice::disconnect() { WiFi_Status_t status = WiFi_MODULE_SUCCESS; status = wifi_disconnect();//will set to Idle Mode if(status!=WiFi_MODULE_SUCCESS) { return -1; } return 0; } const char *SpwfSADevice::getIPAddress() { WiFi_Status_t status = WiFi_MODULE_SUCCESS; status = WiFi_Get_IP_Address((uint8_t *)_ip_buffer); if(status!=WiFi_MODULE_SUCCESS) { return NULL; } else return _ip_buffer; } const char *SpwfSADevice::getMACAddress() { WiFi_Status_t status = WiFi_MODULE_SUCCESS; status = WiFi_Get_MAC_Address((uint8_t *)_mac_buffer); if(status!=WiFi_MODULE_SUCCESS) { return NULL; } else return _mac_buffer; } int32_t SpwfSADevice::socket_client_open(uint8_t * hostname, uint32_t port_number, uint8_t * protocol, uint8_t * sock_id) { WiFi_Status_t status = WiFi_MODULE_SUCCESS; //Timeout of synchronous functions? status = wifi_socket_client_open(hostname, port_number, protocol, sock_id); if(status!=WiFi_MODULE_SUCCESS) { *sock_id = 9;//make sure socket id is not set(set to out of bounds of SPWFSA_SOCKET_COUNT range) return -1; } return 0; } int32_t SpwfSADevice::socket_client_write(uint8_t sock_id, uint16_t DataLength,char * pData) { WiFi_Status_t status = WiFi_MODULE_SUCCESS; status = wifi_socket_client_write(sock_id, DataLength, pData); //map error to enum ns_error_t if(status!=WiFi_MODULE_SUCCESS) { return -1; } return 0; } int32_t SpwfSADevice::socket_client_recv(uint8_t sock_id, uint16_t RecvLength,char * pData) { Timer timer; timer.start(); bytes_to_read = RecvLength; __disable_irq(); bytes_read=0; sync_wait_signal = false; recv_buff = (uint8_t*)pData; __enable_irq(); while(!sync_wait_signal) { if (timer.read_ms() > _timeout) { //debug_print("\r\n SpwfSADevice:: Timeout!\r\n"); sync_wait_signal = true; //if(bytes_read==0) return -1;//return error if no bytes are read! return bytes_read;//return amount of data arrived so far //when do we return NS_ERROR_WOULD_BLOCK?? } __NOP(); } return bytes_read; } void SpwfSADevice::network_scan(wifi_scan *scan_result, uint16_t max_scan_number) { WiFi_Status_t status = WiFi_MODULE_SUCCESS; status = wifi_network_scan(scan_result, max_scan_number); if(status!=WiFi_MODULE_SUCCESS) { return; } } void SpwfSADevice::http_get(uint8_t * hostname, uint8_t * path, uint32_t port_number) { WiFi_Status_t status = WiFi_MODULE_SUCCESS; status = wifi_http_get((uint8_t *)hostname, (uint8_t *)path, port_number); if(status!=WiFi_MODULE_SUCCESS) { return; } } void SpwfSADevice::http_post(uint8_t * url_path) { WiFi_Status_t status = WiFi_MODULE_SUCCESS; status = wifi_http_post(url_path); if(status!=WiFi_MODULE_SUCCESS) { return; } } void SpwfSADevice::signal_data_receive(uint8_t socket_id, uint8_t * data_ptr, uint32_t message_size, uint32_t chunk_size) { char debug_str[10]; //Data will be copied or returned to user only if there is a pending request //Copy data to pData if(recv_buff && !sync_wait_signal) { if((bytes_read + message_size)<= bytes_to_read) { memcpy(recv_buff + bytes_read, data_ptr, message_size);//only copy bytes_to_read asked by user//rest of the data is lost!! bytes_read += message_size; } else { uint32_t x_size = (bytes_read + message_size) - bytes_to_read; memcpy(recv_buff + bytes_read, data_ptr, message_size-x_size); bytes_read += (message_size-x_size); } if(bytes_read >= bytes_to_read) { __disable_irq(); sync_wait_signal = true; __enable_irq(); } } else { debug_print("\r\n Socket:: Data Dropped: "); sprintf((char*)debug_str,"%d\r\n",message_size); debug_print(debug_str); __disable_irq(); sync_wait_signal = true; __enable_irq(); } } void SpwfSADevice::signal_synch_wait(WiFi_Status_t code) { if(code == WiFi_DISASSOCIATION) { //do nothing } else { __disable_irq(); sync_wait_signal = true; __enable_irq(); } } int32_t SpwfSADevice::socket_client_close(uint8_t sock_close_id) { WiFi_Status_t status = WiFi_MODULE_SUCCESS; status = wifi_socket_client_close(sock_close_id); //map error to enum ns_error_t if(status!=WiFi_MODULE_SUCCESS) { return -1; } return 0; } void SpwfSADevice::spwf_attach_irq(wifi_bool attach) { if(attach) { uart_.attach(Rx_irq_handler, SerialBase::RxIrq); } else { uart_.attach(NULL, SerialBase::RxIrq); } } void SpwfSADevice::spwf_send(const char * cmd, uint16_t size) { Timer timer; int i; //timer.start(); //uart_.puts(cmd);//string may contain '\0' character in between hence not used for(i=0;i<size;i++) { uart_.putc(cmd[i]); //if (timer.read_ms() > _timeout) { //return -1; //} } } char SpwfSADevice::spwf_get(void) { return(uart_.getc()); } void SpwfSADevice::spwf_wakeup(int wake) { wakeup_.write(wake); } void SpwfSADevice::spwf_reset(int reset) { rst_.write(reset); } void SpwfSADevice::spwf_rts(int rts) { rts_.write(rts); } int SpwfSADevice::spwf_read_rts() { return(rts_.read()); } void SpwfSADevice::debug_print(const char * string) { term_.puts(string); }