This program simply connects to a HTS221 I2C device to read Temperature & Humidity, and a WNC Cellular Module both of which are on the Avnet WNC Shield.
Dependencies: mbed FXOS8700CQ
AT&T Shape Hackathon QuickStart Instructions
- One area that has been problematic is setting the the MY_SERVER_URL. When you copy the URL from the flow, you must make sure that the MY_SERVER_URL is also set to the appropirate server. It can be either "run-east.att.io" or "run-west.att.io", so be sure to check this.
Useful Links
Adding Additional Sensors
The FLOW_DEVICE_NAME field must contain the name of the instance of the Virtual Starter kit in FLOW that you will be communicating with. Usually this will be "vstarterkit001", but if you have problems communicating you can verify that this is indeed correct. Note that this device will not be created until you click the “Initialize” input on the Virtual Device tab of the Starter Kit project in FLOW. At that point it becomes available in M2X and you can see it there, as the DEVICE SERIAL field under Devices as in the image below.
Sensors: When executing, the FRDM-K64F board will upload sensor measurements to AT&T’s Flow environment every 5 seconds, using the Cellular shield board. You can adjust how often you want to do this by editing the SENSOR_UPDATE_INTERVAL_MS value in the header file. Temperature and humidity: By default the board will report readings from the HTS221 temperature and humidity sensor. These two values are sent to the HTTP IN /climate port in FLOW with field names “temp” and “humidity”. Temperature is in degrees Fahrenheit and humidity is a %. This default assignment is: iSensorsToReport = TEMP_HUMIDITY_ONLY;
Accelerometer: If you want to expand and use the on-board motion sensor, you can also send 3-axis accelerometer information from the board as “accelX”, “accelY” and “accelZ”. This is useful if you want to know the stationary position of the board with regards to gravity, or whether it is in motion. These readings are in g’s. To send these values, change the assignment to: iSensorsToReport = TEMP_HUMIDITY_ACCELEROMETER;
PMOD Sensors: If you have a Silicon Labs sensor module that can plug into the PMOD connector on the Cellular shield, you will also be able to measure proximity, UV light, ambient visible and infrared light from the Si1145 sensor. This PMOD also has a temperature and humidity sensor, but in this case it is redundant. When enabled, the fields “proximity”, “light_uv”, “light_vis” and “light_ir” will also be sent. To enable all these sensors, change the assignment to: iSensorsToReport = TEMP_HUMIDITY_ACCELEROMETER_PMODSENSORS;
Connecting up the PMOD sensors: Because the pinouts do not align, the SiLabs PMOD sensor board cannot be plugged into the J10 PMOD receptacle on the shield directly. The following wiring instructions must be used:
Signal | =J10 | =(Shield) PMOD | =Color in the image below |
---|---|---|---|
VCC | Pin 6 | Pin 6 | Red |
GND | Pin 5 | Pin 5 | Black |
SDA | Pin4 | Pin 3 | Green |
SCL | Pin3 | Pin 2 | Yellow |
Link to AT&T M2X
Link to AT&T Flow
Avnet WNC-Shield Information
Getting Started with the Avnet WNC-Shield & Hackathon software
- This project uses Revision 119 of the MBED library because of I2C implementation differences with the tip (Revision 121)
- This project uses Revision 4 of the FXOS8700CQ library for sensors
Easily modifiable parameters in source code
Inside the mbed “AvnetATT_shape_hackathon” project, the parameters that are needed to customize your board are in the config_me.h file.
- FLOW parameters: This project assumes that you are using a fork of the “Starter Kit Base” project, which is a reference design that was created using AT&T’s FLOW (https://flow.att.com) that allows the creation of on-line virtualization and other IoT functionality. The default parameters in the config_me.h file are done for a specific instance of this project. When you fork the original project, you get your own instance and it will have its own base address. At the bottom of the FLOW environment, when you click on the “Endpoints” tab, you will see the URL information that is specific to your instance. Of note is the Base URL. In the example below (as in the default mbed project), the Base URL is: https://run-west.att.io/1e464b19cdcde/774c88d68202/86694923d5bf28a/in/flow You have to take note of two parts of this address. The run-west.att.io part is the server URL, and you have to make sure the
- MY_SERVER_URL field in config_me.h matches this. Then there is the rest of the base URL, in green above, that needs to be pasted into the FLOW_BASE_URL field.
There is also a FLOW_INPUT_NAME field. This should match the name of the HTTP IN port in the FLOW project that you want to send sensor data to. The default is "/climate", as in the FLOW image below.
Where is the binary I compiled
When the COMPILE button is pressed, it will compile your project and link it. The result is placed in the DOWNLOAD folder you use when downloading files from the internet. It will be called AvnetATT_shape_hackathon_K64F.bin.
Additional information on compiling/configuring
Comprehensive instructions can be found at: Quick Start Instructions
Revision 0:9d5134074d84, committed 2016-07-08
- Comitter:
- JMF
- Date:
- Fri Jul 08 23:52:38 2016 +0000
- Child:
- 1:af7a42f7d465
- Commit message:
- Initial version of AT&T_Avnet Shape Hackathon WNC Shield board
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HTS221.h Fri Jul 08 23:52:38 2016 +0000 @@ -0,0 +1,92 @@ + +#ifndef HTS221_H_ +#define HTS221_H_ + +class HTS221 { +public: + HTS221(void); + int begin(void); + int activate(void); + int deactivate(void); + + int bduActivate(void); + int bduDeactivate(void); + + int readHumidity(void); + double readTemperature(void); +private: + int storeCalibration(void); + unsigned char _h0_rH, _h1_rH; + unsigned int _T0_degC, _T1_degC; + unsigned int _H0_T0, _H1_T0; + unsigned int _T0_OUT, _T1_OUT; + double _temperature; + int _humidity; + unsigned char _address; + + unsigned char readRegister(unsigned char slaveAddress, unsigned char regToRead); + int writeRegister(unsigned char slaveAddress, unsigned char regToWrite, unsigned char dataToWrite); +}; + +#define HTS221_ADDRESS 0x5F + +//Define a few of the registers that we will be accessing on the HTS221 +#define WHO_AM_I 0x0F +#define WHO_AM_I_RETURN 0xBC //This read-only register contains the device identifier, set to BCh + +#define AVERAGE_REG 0x10 // To configure humidity/temperature average. +#define AVERAGE_DEFAULT 0x1B + +/* + * [7] PD: power down control + * (0: power-down mode; 1: active mode) + * + * [6:3] Reserved + * + * [2] BDU: block data update + * (0: continuous update; 1: output registers not updated until MSB and LSB reading) +The BDU bit is used to inhibit the output register update between the reading of the upper +and lower register parts. In default mode (BDU = ?0?), the lower and upper register parts are +updated continuously. If it is not certain whether the read will be faster than output data rate, +it is recommended to set the BDU bit to ?1?. In this way, after the reading of the lower (upper) +register part, the content of that output register is not updated until the upper (lower) part is +read also. + * + * [1:0] ODR1, ODR0: output data rate selection (see table 17) + */ +#define CTRL_REG1 0x20 +#define POWER_UP 0x80 +#define BDU_SET 0x4 +#define ODR0_SET 0x1 // setting sensor reading period 1Hz + +#define CTRL_REG2 0x21 +#define CTRL_REG3 0x22 +#define REG_DEFAULT 0x00 + +#define STATUS_REG 0x27 +#define TEMPERATURE_READY 0x1 +#define HUMIDITY_READY 0x2 + +#define HUMIDITY_L_REG 0x28 +#define HUMIDITY_H_REG 0x29 +#define TEMP_L_REG 0x2A +#define TEMP_H_REG 0x2B +/* + * calibration registry should be read for temperature and humidity calculation. + * Before the first calculation of temperature and humidity, + * the master reads out the calibration coefficients. + * will do at init phase + */ +#define CALIB_START 0x30 +#define CALIB_END 0x3F +/* +#define CALIB_T0_DEGC_X8 0x32 +#define CALIB_T1_DEGC_X8 0x33 +#define CALIB_T1_T0_MSB 0x35 +#define CALIB_T0_OUT_L 0x3C +#define CALIB_T0_OUT_H 0x3D +#define CALIB_T1_OUT_L 0x3E +#define CALIB_T1_OUT_H 0x3F + */ + +#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/HTS221Reg.h Fri Jul 08 23:52:38 2016 +0000 @@ -0,0 +1,69 @@ + +#ifndef HTS221REG_H_ +#define HTS221REG_H_ + + +#define HTS221_ADDRESS 0x5F + +//Define a few of the registers that we will be accessing on the HTS221 +#define WHO_AM_I 0x0F +#define WHO_AM_I_RETURN 0xBC //This read-only register contains the device identifier, set to BCh + +#define AVERAGE_REG 0x10 // To configure humidity/temperature average. +#define AVERAGE_DEFAULT 0x1B + +/* + * [7] PD: power down control + * (0: power-down mode; 1: active mode) + * + * [6:3] Reserved + * + * [2] BDU: block data update + * (0: continuous update; 1: output registers not updated until MSB and LSB reading) +The BDU bit is used to inhibit the output register update between the reading of the upper +and lower register parts. In default mode (BDU = ?0?), the lower and upper register parts are +updated continuously. If it is not certain whether the read will be faster than output data rate, +it is recommended to set the BDU bit to ?1?. In this way, after the reading of the lower (upper) +register part, the content of that output register is not updated until the upper (lower) part is +read also. + * + * [1:0] ODR1, ODR0: output data rate selection (see table 17) + */ +#define CTRL_REG1 0x20 +#define POWER_UP 0x80 +#define BDU_SET 0x4 +#define ODR0_SET 0x1 // setting sensor reading period 1Hz + +#define CTRL_REG2 0x21 +#define CTRL_REG3 0x22 +#define REG_DEFAULT 0x00 + +#define STATUS_REG 0x27 +#define TEMPERATURE_READY 0x1 +#define HUMIDITY_READY 0x2 + +#define HUMIDITY_L_REG 0x28 +#define HUMIDITY_H_REG 0x29 +#define TEMP_L_REG 0x2A +#define TEMP_H_REG 0x2B +/* + * calibration registry should be read for temperature and humidity calculation. + * Before the first calculation of temperature and humidity, + * the master reads out the calibration coefficients. + * will do at init phase + */ +#define CALIB_START 0x30 +#define CALIB_END 0x3F +/* +#define CALIB_T0_DEGC_X8 0x32 +#define CALIB_T1_DEGC_X8 0x33 +#define CALIB_T1_T0_MSB 0x35 +#define CALIB_T0_OUT_L 0x3C +#define CALIB_T0_OUT_H 0x3D +#define CALIB_T1_OUT_L 0x3E +#define CALIB_T1_OUT_H 0x3F + */ + + + +#endif /* HTS221REG_H_ */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SerialBuffered/SerialBuffered.cpp Fri Jul 08 23:52:38 2016 +0000 @@ -0,0 +1,93 @@ + +#include "mbed.h" +#include "SerialBuffered.h" + +SerialBuffered::SerialBuffered( PinName tx, PinName rx, size_t bufferSize ) : Serial( tx, rx ) +{ + m_buffSize = 0; + m_contentStart = 0; + m_contentEnd = 0; + m_timeout = -1.0; + _txpin = tx; + _rxpin = rx; + + attach( this, &SerialBuffered::handleInterrupt ); + + m_buff = (uint8_t *) malloc( bufferSize ); + if( m_buff ) + m_buffSize = bufferSize; +} + + +SerialBuffered::~SerialBuffered() +{ + if( m_buff ) + free( m_buff ); +} + +void SerialBuffered::setTimeout( float seconds ) +{ + m_timeout = seconds; +} + +size_t SerialBuffered::readBytes( uint8_t *bytes, size_t requested ) +{ + int i = 0; + + for( ; i < requested; ) + { + int c = getc(); + if( c < 0 ) + break; + bytes[i] = c; + i++; + } + + return i; + +} + + +int SerialBuffered::_getc() +{ + m_timer.reset(); + m_timer.start(); + while (m_contentStart == m_contentEnd) { + if (m_timeout >= 0 && m_timer.read() >= m_timeout ) + return EOF; + wait_ms( 1 ); + } + + m_timer.stop(); + + int nbp = (m_contentStart + 1) % m_buffSize; + uint8_t result = m_buff[m_contentStart]; + m_contentStart = nbp; + return result; +} + +//int Serial::_getc() { +// return _base_getc(); +//} + +int SerialBuffered::_putc(int c) { + return _base_putc(c); +} + +int SerialBuffered::readable() +{ + return m_contentStart != m_contentEnd ; +} + +void SerialBuffered::handleInterrupt() +{ + while (serial_readable(&_serial)) { + char c_in = _base_getc(); + int nbp = (m_contentEnd + 1) % m_buffSize; + + if (nbp != m_contentStart) { + m_buff[m_contentEnd] = c_in; + m_contentEnd = nbp; + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SerialBuffered/SerialBuffered.h Fri Jul 08 23:52:38 2016 +0000 @@ -0,0 +1,61 @@ +#pragma once + +// This is a buffered serial reading class, using the serial interrupt introduced in mbed library version 18 on 17/11/09 + +// In the simplest case, construct it with a buffer size at least equal to the largest message you +// expect your program to receive in one go. + +class SerialBuffered : public Serial +{ +public: + SerialBuffered( PinName tx, PinName rx, size_t bufferSize ); + virtual ~SerialBuffered(); + + int readable(); // returns 1 if there is a character available to read, 0 otherwise + + void setTimeout( float seconds ); // maximum time in seconds that getc() should block + // while waiting for a character + // Pass -1 to disable the timeout. + + size_t readBytes( uint8_t *bytes, size_t requested ); // read requested bytes into a buffer, + // return number actually read, + // which may be less than requested if there has been a timeout + + void disable_flow_ctrl(void) { serial_set_flow_control(&_serial, FlowControlNone, NC, NC); } +// void suspend(bool enable) { +// if (enable) { +// serial_irq_set(&_serial, (SerialIrq)RxIrq, 0); +// serial_break_set(&_serial); +// _serial.uart->ENABLE = (UART_ENABLE_ENABLE_Disabled << UART_ENABLE_ENABLE_Pos); +// } else { +// _serial.uart->ENABLE = (UART_ENABLE_ENABLE_Enabled << UART_ENABLE_ENABLE_Pos); +// serial_break_clear(&_serial); +// _serial.uart->EVENTS_RXDRDY = 0; +// // dummy write needed or TXDRDY trails write rather than leads write. +// // pins are disconnected so nothing is physically transmitted on the wire +// _serial.uart->TXD = 0; +// serial_irq_set(&_serial, (SerialIrq)RxIrq, 1); +// } +// } + +protected: + PinName _txpin; + PinName _rxpin; + +protected: + virtual int _getc(); + virtual int _putc(int c); + +private: + + void handleInterrupt(); + + + uint8_t *m_buff; // points at a circular buffer, containing data from m_contentStart, for m_contentSize bytes, wrapping when you get to the end + volatile uint16_t m_contentStart; // index of first bytes of content + volatile uint16_t m_contentEnd; // index of bytes after last byte of content + uint16_t m_buffSize; + float m_timeout; + Timer m_timer; + +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hts221_driver.cpp Fri Jul 08 23:52:38 2016 +0000 @@ -0,0 +1,247 @@ + +#include "HTS221.h" + + +// ------------------------------------------------------------------------------ +//jmf -- define I2C pins and functions to read & write to I2C device + +#include <string> +#include "mbed.h" + +I2C i2c(PTC11, PTC10); //SDA, SCL -- define the I2C pins being used + +// Read a single unsigned char from addressToRead and return it as a unsigned char +unsigned char HTS221::readRegister(unsigned char slaveAddress, unsigned char ToRead) +{ + char data = ToRead; + + i2c.write(slaveAddress, &data, 1, 0); + i2c.read(slaveAddress, &data, 1, 0); + return data; +} + +// Writes a single unsigned char (dataToWrite) into regToWrite +int HTS221::writeRegister(unsigned char slaveAddress, unsigned char regToWrite, unsigned char dataToWrite) +{ + const char data[] = {regToWrite, dataToWrite}; + + return i2c.write(slaveAddress,data,2,0); +} + + +//jmf end +// ------------------------------------------------------------------------------ + +static inline int humidityReady(uint8_t data) { + return (data & 0x02); +} +static inline int temperatureReady(uint8_t data) { + return (data & 0x01); +} + + +HTS221::HTS221(void) : _address(HTS221_ADDRESS) +{ + _temperature = 0; + _humidity = 0; +} + + +int HTS221::begin(void) +{ + uint8_t data; + + data = readRegister(_address, WHO_AM_I); + if (data == WHO_AM_I_RETURN){ + if (activate()){ + storeCalibration(); + return data; + } + } + + return 0; +} + +int +HTS221::storeCalibration(void) +{ + uint8_t data; + uint16_t tmp; + + for (int reg=CALIB_START; reg<=CALIB_END; reg++) { + if ((reg!=CALIB_START+8) && (reg!=CALIB_START+9) && (reg!=CALIB_START+4)) { + + data = readRegister(HTS221_ADDRESS, reg); + + switch (reg) { + case CALIB_START: + _h0_rH = data; + break; + case CALIB_START+1: + _h1_rH = data; + break; + case CALIB_START+2: + _T0_degC = data; + break; + case CALIB_START+3: + _T1_degC = data; + break; + + case CALIB_START+5: + tmp = _T0_degC; + _T0_degC = (data&0x3)<<8; + _T0_degC |= tmp; + + tmp = _T1_degC; + _T1_degC = ((data&0xC)>>2)<<8; + _T1_degC |= tmp; + break; + case CALIB_START+6: + _H0_T0 = data; + break; + case CALIB_START+7: + _H0_T0 |= data<<8; + break; + case CALIB_START+0xA: + _H1_T0 = data; + break; + case CALIB_START+0xB: + _H1_T0 |= data <<8; + break; + case CALIB_START+0xC: + _T0_OUT = data; + break; + case CALIB_START+0xD: + _T0_OUT |= data << 8; + break; + case CALIB_START+0xE: + _T1_OUT = data; + break; + case CALIB_START+0xF: + _T1_OUT |= data << 8; + break; + + + case CALIB_START+8: + case CALIB_START+9: + case CALIB_START+4: + //DO NOTHING + break; + + // to cover any possible error + default: + return false; + } /* switch */ + } /* if */ + } /* for */ + return true; +} + + +int +HTS221::activate(void) +{ + uint8_t data; + + data = readRegister(_address, CTRL_REG1); + data |= POWER_UP; + data |= ODR0_SET; + writeRegister(_address, CTRL_REG1, data); + + return true; +} + + +int HTS221::deactivate(void) +{ + uint8_t data; + + data = readRegister(_address, CTRL_REG1); + data &= ~POWER_UP; + writeRegister(_address, CTRL_REG1, data); + return true; +} + + +int +HTS221::bduActivate(void) +{ + uint8_t data; + + data = readRegister(_address, CTRL_REG1); + data |= BDU_SET; + writeRegister(_address, CTRL_REG1, data); + + return true; +} + + +int +HTS221::bduDeactivate(void) +{ + uint8_t data; + + data = readRegister(_address, CTRL_REG1); + data &= ~BDU_SET; + writeRegister(_address, CTRL_REG1, data); + return true; +} + + +int +HTS221::readHumidity(void) +{ + uint8_t data = 0; + uint16_t h_out = 0; + double h_temp = 0.0; + double hum = 0.0; + + data = readRegister(_address, STATUS_REG); + + if (data & HUMIDITY_READY) { + data = readRegister(_address, HUMIDITY_H_REG); + h_out = data << 8; // MSB + data = readRegister(_address, HUMIDITY_L_REG); + h_out |= data; // LSB + + // Decode Humidity + hum = ((int16_t)(_h1_rH) - (int16_t)(_h0_rH))/2.0; // remove x2 multiple + + // Calculate humidity in decimal of grade centigrades i.e. 15.0 = 150. + h_temp = (((int16_t)h_out - (int16_t)_H0_T0) * hum) / ((int16_t)_H1_T0 - (int16_t)_H0_T0); + hum = ((int16_t)_h0_rH) / 2.0; // remove x2 multiple + _humidity = (int16_t)((hum + h_temp)); // provide signed % measurement unit + } + return _humidity; +} + + + +double +HTS221::readTemperature(void) +{ + uint8_t data = 0; + uint16_t t_out = 0; + double t_temp = 0.0; + double deg = 0.0; + + data = readRegister(_address, STATUS_REG); + + if (data & TEMPERATURE_READY) { + + data= readRegister(_address, TEMP_H_REG); + t_out = data << 8; // MSB + data = readRegister(_address, TEMP_L_REG); + t_out |= data; // LSB + + // Decode Temperature + deg = ((int16_t)(_T1_degC) - (int16_t)(_T0_degC))/8.0; // remove x8 multiple + + // Calculate Temperature in decimal of grade centigrades i.e. 15.0 = 150. + t_temp = (((int16_t)t_out - (int16_t)_T0_OUT) * deg) / ((int16_t)_T1_OUT - (int16_t)_T0_OUT); + deg = ((int16_t)_T0_degC) / 8.0; // remove x8 multiple + _temperature = deg + t_temp; // provide signed celsius measurement unit + } + + return _temperature; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Jul 08 23:52:38 2016 +0000 @@ -0,0 +1,273 @@ +#include "mbed.h" +#include <cctype> +#include <string> +#include "SerialBuffered.h" +#include "HTS221.h" + +// comment out the following line if color is not supported on the terminal +#define USE_COLOR +#ifdef USE_COLOR + #define BLK "\033[30m" + #define RED "\033[31m" + #define GRN "\033[32m" + #define YEL "\033[33m" + #define BLU "\033[34m" + #define MAG "\033[35m" + #define CYN "\033[36m" + #define WHT "\033[37m" + #define DEF "\033[39m" +#else + #define BLK + #define RED + #define GRN + #define YEL + #define BLU + #define MAG + #define CYN + #define WHT + #define DEF +#endif + +#define MDM_DBG_OFF 0 +#define MDM_DBG_AT_CMDS (1 << 0) +int mdm_dbgmask = MDM_DBG_OFF; + +Serial pc(USBTX, USBRX); +SerialBuffered mdm(PTD3, PTD2, 128); +DigitalOut led_red(LED_RED); +DigitalOut led_green(LED_GREEN); + +DigitalOut mdm_uart2_rx_boot_mode_sel(PTC17); // on powerup, 0 = boot mode, 1 = normal boot +DigitalOut mdm_power_on(PTB9); // 0 = turn modem on, 1 = turn modem off (should be held high for >5 seconds to cycle modem) +DigitalOut mdm_wakeup_in(PTC2); // 0 = let modem sleep, 1 = keep modem awake -- Note: pulled high on shield + +DigitalOut shield_3v3_1v8_sig_trans_ena(PTC4); // 0 = disabled (all signals high impedence, 1 = translation active +DigitalOut mdm_uart1_cts(PTD0); + +#define TOUPPER(a) (a) //toupper(a) + +const char ok_str[] = "OK"; +const char error_str[] = "ERROR"; + +#define MDM_OK 0 +#define MDM_ERR_TIMEOUT -1 + +#define MAX_AT_RSP_LEN 255 + +// +// The modem will return strings of HEX encoded data. This function takes +// a pointer to a string of HEX ASCII data and converts it into a string +// of ASCII data. It takes a pointer to the string of HEX ASCII data and +// a pointer to the destination string. It returns the number of characters +// it converted. +// +int DecodeASCIIstr(string& ins, string& outs) { + int val, n = 0; + char ts[2]; + + while(n<ins.length()) { + val = atoi((const char*)ins[n])*16+atoi((const char*)ins[n+1]); + sprintf(ts,"%c",val); + outs.append(ts); + n += 2; + } + return outs.length(); +} + + +// +// Modem expects data to be passed to it in the form of HEX encoded strings. This +// function takes a pointer to a users supplied ASCII string, and converts it into +// an ASCII string of equivelent HEX numbers encoded as a string. The function takes +// a pointer to the users input string, and a pointer to the output string. The +// function returns the number of characters converted or 0 if an error occurs or more +// than 750 characters were converted. The 750 chacter limit is because the modem +// will only accept up to 1500 characters, and the converted srings will be 2x the +// input string since the hex representation of 1 character is a two digit hex value. +// +int CreateASCIIstr(string& in, string& out) { + int i = 0; + char ts[3]; + + if( in.length() > 749 ) + return 0; + + while(in[i] != 0x00) { + sprintf(ts,"%02X", in[i]); + out.append(ts); + i++; + } + return out.length(); +} + + + +ssize_t mdm_getline(char *buff, size_t size, int timeout_ms) { + int cin = -1; + int cin_last; + + if (NULL == buff || size == 0) { + return -1; + } + + size_t len = 0; + Timer timer; + timer.start(); + while ((len < (size-1)) && (timer.read_ms() < timeout_ms)) { + if (mdm.readable()) { + cin_last = cin; + cin = mdm.getc(); + if (isprint(cin)) { + buff[len++] = (char)cin; + continue; + } else if (('\r' == cin_last) && ('\n' == cin)) { + break; + } + } + wait_ms(1); + } + buff[len] = NULL; + + return len; +} + +int mdm_sendAtCmd(const char *cmd, const char **rsp_list, int timeout_ms) { + if (cmd && strlen(cmd) > 0) { + if (mdm_dbgmask & MDM_DBG_AT_CMDS) { + printf(MAG "ATCMD: " DEF "--> " GRN "%s" DEF "\n", cmd); + } + mdm.printf("%s\r\n", cmd); + } + + if (rsp_list) { + Timer timer; + char rsp[MAX_AT_RSP_LEN+1]; + int len; + + timer.start(); + while (timer.read_ms() < timeout_ms) { + len = mdm_getline(rsp, sizeof(rsp), timeout_ms - timer.read_ms()); + + if (len < 0) + return MDM_ERR_TIMEOUT; + + if (len == 0) + continue; + + if (mdm_dbgmask & MDM_DBG_AT_CMDS) { + printf(MAG "ATRSP: " DEF "<-- " CYN "%s" DEF "\n", rsp); + } + + if (rsp_list) { + int rsp_idx = 0; + while (rsp_list[rsp_idx]) { + if (strcasecmp(rsp, rsp_list[rsp_idx]) == 0) { + return rsp_idx; + } + rsp_idx++; + } + } + } + return MDM_ERR_TIMEOUT; + } + return MDM_OK; +} + +int mdm_init(void) { + // disable signal level translator + shield_3v3_1v8_sig_trans_ena = 0; + + // power modem on //off + mdm_power_on = 0; //1; + + // insure modem boots into normal operating mode + // and does not go to sleep when powered on + mdm_uart2_rx_boot_mode_sel = 1; + mdm_wakeup_in = 1; + + // initialze comm with the modem + mdm.baud(115200); + mdm_uart1_cts = 0; + + // enable the signal level translator to start + // modem reset process (modem will be powered down) + shield_3v3_1v8_sig_trans_ena = 1; + + // Give the modem 60 secons to start responding by + // sending simple 'AT' commands to modem once per second. + Timer timer; + timer.start(); + while (timer.read() < 60) { + const char * rsp_lst[] = { ok_str, error_str, NULL }; + int rc = mdm_sendAtCmd("AT", rsp_lst, 500); + if (rc == 0) + return timer.read(); + wait_ms(1000 - (timer.read_ms() % 1000)); + pc.printf("\r%d",timer.read_ms()/1000); + } + return false; +} + +#define CTOF(x) ((x)*1.8+32) + +int main() { + HTS221 hts221; + pc.baud(115200); + int i, + CreateASCIIstr(string& in, string& out), + DecodeASCIIstr(string& ins, string& outs); + string ins, outs; + + void hts221_init(void); + + pc.printf(BLU "Hello World from AT&T Shape!\r\n"); + pc.printf(GRN "Initialize the HTS221\n\r"); + + i = hts221.begin(); + if( i ) + pc.printf(BLU "HTS221 Detected! (0x%02X)\n\r",i); + else + pc.printf(RED "HTS221 NOT DETECTED!!\n\r"); + + printf("Temp is: %0.2f F \n\r",CTOF(hts221.readTemperature())); + printf("Humid is: %02d %%\n\r",hts221.readHumidity()); + + // Initialize the modem + printf(GRN "Modem initializing... will take up to 60 seconds" DEF "\r\n"); + i=mdm_init(); + if (!i) { + pc.printf(RED "Modem initialization failed!" DEF "\n"); + while (1); + } + + // Now that the modem is up and running, transfer characters + // between the pc terminal and the modem to give the user + // a virtual terminal to the modem. + pc.printf(YEL "\rAT command interface ready, completed in %d seconds. You may now type AT commands" DEF "\r\n",i); + + while(1) { + if(pc.readable()) { + char char_in = TOUPPER(pc.getc()); + + static char last_char_in = 0; + + if (('\r' == char_in) || ('\n' == char_in)) + { + if (('\r' == char_in) || ('\r' != last_char_in)) + { + mdm.puts("\r\n"); + } + } + else + { + pc.putc(char_in); + mdm.putc(char_in); + } + last_char_in = char_in; + } + if(mdm.readable()) { + char ser_char = mdm.getc(); + pc.putc(ser_char); + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Jul 08 23:52:38 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/6c34061e7c34 \ No newline at end of file