This program simply connects to a HTS221 I2C device to read Temperature

Dependencies:   FXOS8700CQ mbed

Files at this revision

API Documentation at this revision

Comitter:
fkellermavnet
Date:
Wed Jul 13 20:12:49 2016 +0000
Parent:
26:8d6e7e7cdcae
Child:
28:886833917643
Commit message:
Removed now merged in file that mbed automatically added that I didn't see on last commit.

Changed in this revision

main.cpp.orig Show diff for this revision Revisions of this file
--- a/main.cpp.orig	Wed Jul 13 20:11:57 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,519 +0,0 @@
-#include "mbed.h"
-#include <cctype>
-#include <string>
-#include "SerialBuffered.h"
-#include "HTS221.h"
-#include "config_me.h"
-#include "wnc_control.h"
-#include "sensors.h"
-
-#include "hardware.h"
-I2C i2c(PTC11, PTC10);    //SDA, SCL -- define the I2C pins being used
-
-// 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_green(LED_GREEN);
-DigitalOut led_red(LED_RED);
-DigitalOut led_blue(LED_BLUE);
-
-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  mdm_reset(PTC12);                   // active high      
-
-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
-
-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] = (char)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) {
-    // Hard reset the modem (doesn't go through
-    // the signal level translator)
-    mdm_reset = 0;
-
-    // disable signal level translator (necessary
-    // for the modem to boot properly).  All signals
-    // except mdm_reset go through the level translator
-    // and have internal pull-up/down in the module. While
-    // the level translator is disabled, these pins will
-    // be in the correct state.  
-    shield_3v3_1v8_sig_trans_ena = 0;
-
-    // While the level translator is disabled and ouptut pins
-    // are tristated, make sure the inputs are in the same state
-    // as the WNC Module pins so that when the level translator is
-    // enabled, there are no differences.
-    mdm_uart2_rx_boot_mode_sel = 1;   // UART2_RX should be high
-    mdm_power_on = 0;                 // powr_on should be low
-    mdm_wakeup_in = 1;                // wake-up should be high
-    mdm_uart1_cts = 0;                // indicate that it is ok to send
-
-   // Now, wait for the WNC Module to perform its initial boot correctly
-    wait(1.0);
-  
-    // The WNC module initializes comms at 115200 8N1 so set it up
-    mdm.baud(115200);
-    
-    //Now, enable the level translator, the input pins should now be the
-    //same as how the M14A module is driving them with internal pull ups/downs.
-    //When enabled, there will be no changes in these 4 pins...
-    shield_3v3_1v8_sig_trans_ena = 1;
-
-    // Now, 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 true; //timer.read();
-        wait_ms(1000 - (timer.read_ms() % 1000));
-        pc.printf("\r%d",timer.read_ms()/1000);
-    }
-    return false;       
-}
-
-int mdm_sendAtCmdRsp(const char *cmd, const char **rsp_list, int timeout_ms, string * rsp, int * len) {
-    static char cmd_buf[3200];  // Need enough room for the WNC sockreads (over 3000 chars)
-    size_t n = strlen(cmd);
-    if (cmd && n > 0) {
-        if (mdm_dbgmask & MDM_DBG_AT_CMDS) {
-            printf(MAG "ATCMD: " DEF "--> " GRN "%s" DEF "\n", cmd);
-        }
-        while (n--) {
-            mdm.putc(*cmd++);
-            wait_ms(1);
-        };
-        mdm.putc('\r');
-        wait_ms(1);
-        mdm.putc('\n');
-        wait_ms(1);
-    }
-
-    if (rsp_list) {
-        rsp->erase(); // Clean up from prior cmd response
-        *len = 0;
-        Timer   timer;
-        timer.start();
-        while (timer.read_ms() < timeout_ms) {
-            int lenCmd = mdm_getline(cmd_buf, sizeof(cmd_buf), timeout_ms - timer.read_ms());
-
-            if (lenCmd == 0)
-                continue;
-
-            if (lenCmd < 0)
-                return MDM_ERR_TIMEOUT;
-            else {
-                *len += lenCmd;
-                *rsp += cmd_buf;
-            }
-
-            if (mdm_dbgmask & MDM_DBG_AT_CMDS) {
-                printf(MAG "ATRSP: " DEF "<-- " CYN "%s" DEF "\n", cmd_buf);
-            }
-
-            int rsp_idx = 0;
-            while (rsp_list[rsp_idx]) {
-                if (strcasecmp(cmd_buf, rsp_list[rsp_idx]) == 0) {
-                    return rsp_idx;
-                }
-                rsp_idx++;
-            }
-        }
-        return MDM_ERR_TIMEOUT;
-    }
-    pc.printf("D %s",rsp);
-    return MDM_OK;
-}
-
-void reinitialize_mdm(void)
-{
-    // Initialize the modem
-    printf(GRN "Modem RE-initializing..." DEF "\r\n");
-    if (!mdm_init()) {
-        printf(RED "\n\rModem RE-initialization failed!" DEF "\n");
-    }
-    printf("\r\n");
-}
-// These are built on the fly
-string MyServerIpAddress;
-string MySocketData;
-
-// These are to be built on the fly
-string my_temp;
-string my_humidity;
-
-#define CTOF(x)  ((x)*1.8+32)
-
-//********************************************************************************************************************************************
-//* Create string with sensor readings that can be sent to flow as an HTTP get
-//********************************************************************************************************************************************
-K64F_Sensors_t  SENSOR_DATA =
-{
-    .Temperature        = "0",
-    .Humidity           = "0",
-    .AccelX             = "0",
-    .AccelY             = "0",
-    .AccelZ             = "0",
-    .MagnetometerX      = "0",
-    .MagnetometerY      = "0",
-    .MagnetometerZ      = "0",
-    .AmbientLightVis    = "0",
-    .AmbientLightIr     = "0",
-    .UVindex            = "0",
-    .Proximity          = "0",
-    .Temperature_Si7020 = "0",
-    .Humidity_Si7020    = "0"
-};
-
-void GenerateModemString(char * modem_string)
-{
-    switch(iSensorsToReport)
-    {
-        case TEMP_HUMIDITY_ONLY:
-        {
-            sprintf(modem_string, "GET %s%s?serial=%s&temp=%s&humidity=%s %s%s\r\n\r\n", FLOW_BASE_URL, FLOW_INPUT_NAME, FLOW_DEVICE_NAME, SENSOR_DATA.Temperature, SENSOR_DATA.Humidity, FLOW_URL_TYPE, MY_SERVER_URL);
-            break;
-        }
-        case TEMP_HUMIDITY_ACCELEROMETER:
-        {
-            sprintf(modem_string, "GET %s%s?serial=%s&temp=%s&humidity=%s&accelX=%s&accelY=%s&accelZ=%s %s%s\r\n\r\n", FLOW_BASE_URL, FLOW_INPUT_NAME, FLOW_DEVICE_NAME, SENSOR_DATA.Temperature, SENSOR_DATA.Humidity, SENSOR_DATA.AccelX,SENSOR_DATA.AccelY,SENSOR_DATA.AccelZ, FLOW_URL_TYPE, MY_SERVER_URL);
-            break;
-        }
-        case TEMP_HUMIDITY_ACCELEROMETER_PMODSENSORS:
-        {
-            sprintf(modem_string, "GET %s%s?serial=%s&temp=%s&humidity=%s&accelX=%s&accelY=%s&accelZ=%s&proximity=%s&light_uv=%s&light_vis=%s&light_ir=%s %s%s\r\n\r\n", FLOW_BASE_URL, FLOW_INPUT_NAME, FLOW_DEVICE_NAME, SENSOR_DATA.Temperature, SENSOR_DATA.Humidity, SENSOR_DATA.AccelX,SENSOR_DATA.AccelY,SENSOR_DATA.AccelZ, SENSOR_DATA.Proximity, SENSOR_DATA.UVindex, SENSOR_DATA.AmbientLightVis, SENSOR_DATA.AmbientLightIr, FLOW_URL_TYPE, MY_SERVER_URL);
-            break;
-        }
-        default:
-        {
-            sprintf(modem_string, "Invalid sensor selected\r\n\r\n");
-            break;
-        }
-    } //switch(iSensorsToReport)
-} //GenerateModemString        
-            
-            
-//Periodic timer
-Ticker OneMsTicker;
-volatile bool bTimerExpiredFlag = false;
-int OneMsTicks = 0;
-int iTimer1Interval_ms = 1000;
-//********************************************************************************************************************************************
-//* Periodic 1ms timer tick
-//********************************************************************************************************************************************
-void OneMsFunction() 
-{
-    OneMsTicks++;
-    if ((OneMsTicks % iTimer1Interval_ms) == 0)
-    {
-        bTimerExpiredFlag = true;
-    }            
-} //OneMsFunction()
-
-//********************************************************************************************************************************************
-//* Set the RGB LED's Color
-//* LED Color 0=Off to 7=White.  3 bits represent BGR (bit0=Red, bit1=Green, bit2=Blue) 
-//********************************************************************************************************************************************
-void SetLedColor(unsigned char ucColor)
-{
-    //Note that when an LED is on, you write a 0 to it:
-    led_red = !(ucColor & 0x1); //bit 0
-    led_green = !(ucColor & 0x2); //bit 1
-    led_blue = !(ucColor & 0x4); //bit 2
-} //SetLedColor()
-
-//********************************************************************************************************************************************
-//* Process JSON response messages
-//********************************************************************************************************************************************
-bool extract_JSON(char* search_field, char* found_string)
-{
-    char* beginquote;
-    char* endquote;
-    beginquote = strchr(search_field, '{'); //start of JSON
-    endquote = strchr(search_field, '}'); //end of JSON
-    if (beginquote != 0)
-    {
-        uint16_t ifoundlen;
-        if (endquote != 0)
-        {
-            ifoundlen = (uint16_t) (endquote - beginquote) + 1;
-            strncpy(found_string, beginquote, ifoundlen );
-            found_string[ifoundlen] = 0; //null terminate
-            return true;
-        }
-        else
-        {
-            endquote = strchr(search_field, '\0'); //end of string...  sometimes the end bracket is missing
-            ifoundlen = (uint16_t) (endquote - beginquote) + 1;
-            strncpy(found_string, beginquote, ifoundlen );
-            found_string[ifoundlen] = 0; //null terminate
-            return false;
-        }
-    }
-    else
-    {
-        return false;
-    }
-} //extract_JSON
-
-bool parse_JSON(char* json_string)
-{
-    char* beginquote;
-    char token[] = "\"LED\":\"";
-    beginquote = strstr(json_string, token );
-    if ((beginquote != 0))
-    {
-        char cLedColor = beginquote[strlen(token)];
-        printf(GRN "LED Found : %c" DEF "\r\n", cLedColor);
-        switch(cLedColor)
-        {
-            case 'O':
-            { //Off
-                SetLedColor(0);
-                break;
-            }
-            case 'R':
-            { //Red
-                SetLedColor(1);
-                break;
-            }
-            case 'G':
-            { //Green
-                SetLedColor(2);
-                break;
-            }
-            case 'Y':
-            { //Yellow
-                SetLedColor(3);
-                break;
-            }
-            case 'B':
-            { //Blue
-                SetLedColor(4);
-                break;
-            }
-            case 'M':
-            { //Magenta
-                SetLedColor(5);
-                break;
-            }
-            case 'T':
-            { //Turquoise
-                SetLedColor(6);
-                break;
-            }
-            case 'W':
-            { //White
-                SetLedColor(7);
-                break;
-            }
-            default:
-            {
-                break;
-            }
-        } //switch(cLedColor)
-        return true;
-    }
-    else
-    {
-        return false;
-    }
-} //parse_JSON
-
-int main() {
-    int i;
-    HTS221 hts221;
-    pc.baud(115200);
-    
-    void hts221_init(void);
-
-    // Set LED to RED until init finishes
-    SetLedColor(0x1);
-
-    pc.printf(BLU "Hello World from AT&T Shape!\r\n\n\r");
-    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());
-    
-    sensors_init();
-    read_sensors();
-
-    // Initialize the modem
-    printf(GRN "Modem initializing... will take up to 60 seconds" DEF "\r\n");
-    do {
-        i=mdm_init();
-        if (!i) {
-            pc.printf(RED "Modem initialization failed!" DEF "\n");
-        }
-    } while (!i);
-    
-    //Software init
-    software_init_mdm();
- 
-    // Resolve URL to IP address to connect to
-    resolve_mdm();
-
-    //Create a 1ms timer tick function:
-    OneMsTicker.attach(OneMsFunction, 0.001f) ;
-    iTimer1Interval_ms = SENSOR_UPDATE_INTERVAL_MS;
-
-    // Set LED BLUE for partial init
-    SetLedColor(0x4);
-
-    // Send and receive data perpetually
-    while(1) {
-        static unsigned ledOnce = 0;
-        if  (bTimerExpiredFlag)
-        {
-            bTimerExpiredFlag = false;
-            sprintf(SENSOR_DATA.Temperature, "%0.2f", CTOF(hts221.readTemperature()));
-            sprintf(SENSOR_DATA.Humidity, "%02d", hts221.readHumidity());
-            read_sensors(); //read available external sensors from a PMOD and the on-board motion sensor
-            sockopen_mdm();
-            char modem_string[512];
-            GenerateModemString(&modem_string[0]);
-            printf(BLU "Sending to modem : %s" DEF "\n", modem_string); 
-            sockwrite_mdm(modem_string);
-            sockread_mdm(&MySocketData, 1024, 20);
-            
-            // If any non-zero response from server, make it GREEN one-time
-            //  then the actual FLOW responses will set the color.
-            if ((!ledOnce) && (MySocketData.length() > 0))
-            {
-                ledOnce = 1;
-                SetLedColor(0x2);
-            }
-            
-            printf(BLU "Read back : %s" DEF "\n", &MySocketData[0]);
-            char * myJsonResponse;
-            if (extract_JSON(&MySocketData[0], &myJsonResponse[0]))
-            {
-                printf(GRN "JSON : %s" DEF "\n", &myJsonResponse[0]);
-                parse_JSON(&myJsonResponse[0]);
-            }
-            else
-            {
-                printf(RED "JSON : %s" DEF "\n", &myJsonResponse[0]); //most likely an incomplete JSON string
-                parse_JSON(&myJsonResponse[0]); //This is risky, as the string may be corrupted
-            }
-            sockclose_mdm();
-        } //bTimerExpiredFlag
-    } //forever loop
-}