Rick McConney
This program simply connects to a HTS221 I2C device to proximity sensor
Diff: main.cpp
- Revision:
- 38:532a0d929756
- Parent:
- 37:ee01f752524a
- Child:
- 39:3bbb3dbb531b
--- a/main.cpp Wed Sep 21 18:03:43 2016 +0000
+++ b/main.cpp Mon Sep 26 18:02:16 2016 +0000
@@ -6,10 +6,11 @@
#include "config_me.h"
#include "wnc_control.h"
#include "sensors.h"
+#include "Proximity.h"
#include "hardware.h"
I2C i2c(PTC11, PTC10); //SDA, SCL -- define the I2C pins being used
-I2C proximityi2c(PTE25, PTE24);
+Proximity proximityStrip;
// comment out the following line if color is not supported on the terminal
#define USE_COLOR
@@ -67,105 +68,12 @@
#define MDM_ERR_TIMEOUT -1
#define MAX_AT_RSP_LEN 255
-#define NUM_PROXIMIY_SENSORS 8
-short proximityData [NUM_PROXIMIY_SENSORS][3];
-short lastProximityData [NUM_PROXIMIY_SENSORS][3];
+
bool proximityChange = false;
-
-void prox_write_reg(char address,char reg, char cmd)
-{
- char txbuffer [2];
- txbuffer[0] = reg;
- txbuffer[1] = cmd;
- proximityi2c.write(address<<1, txbuffer, 2,false );
-}
-
-void prox_write(char address, char cmd)
-{
- char txbuffer [1];
- txbuffer[0] = cmd;
- proximityi2c.write(address<<1, txbuffer, 1,false );
-}
-
-unsigned char prox_read_reg(char address,char reg)
-{
- char txbuffer [1];
- char rxbuffer [1];
- rxbuffer[0] = 0;
- txbuffer[0] = reg;
- proximityi2c.write(address<<1, txbuffer, 1,false );
- proximityi2c.read(address<<1, rxbuffer, 1 );
- return (unsigned char)rxbuffer[0];
-}
-void proximity_sensor_off(int sensor)
-{
- prox_write(MUXADDRESS,1<<sensor);
- prox_write_reg(PROXIMITYADDRESS,0x41,0x00);
-}
-
-void proximity_sensor_on(int sensor)
-{
- char C25ma = 0x00;
- char C50ma = 0x01;
- char C100m1 = 0x02;
- char C200ma = 0x03;
-
- char GainAls1Ir1 = 0x00<<2;
- char GainAls2Ir1 = 0x04<<2;
- char GainAls2Ir2 = 0x05<<2;
- char GainAls64Ir64 = 0x0A<<2;
- char GainAls128Ir64 = 0x0D<<2;
- char GainAls128Ir128 = 0x0F<<2;
-
- char Als0Ps0 = 0x00;
- char Als0Ps10 = 0x01;
- char Als0Ps40 = 0x02;
- char Als0Ps100 = 0x03;
- char Als0Ps400 = 0x04;
-
- char Als100Ps0 = 0x05;
- char Als100Ps100 = 0x06;
- char Als100Ps400 = 0x07;
-
- char Als401Ps0 = 0x08;
- char Als401Ps100 = 0x09;
- char Als400Ps0 = 0x0A;
- char Als400Ps400 = 0x0B;
-
- char Als50Ps50 = 0x0C;
-
-
- prox_write(MUXADDRESS,1<<sensor);
- prox_write_reg(PROXIMITYADDRESS,0x41,Als400Ps400); // initiate ALS: and PS
- prox_write_reg(PROXIMITYADDRESS,0x42,GainAls64Ir64|C25ma); // set ALS_VIS=ALS_IR GAIN = 64 current 25ma
- wait(0.5);
-}
-
-short* read_proximity(int sensor)
-{
- short readings[3];
-
- prox_write(MUXADDRESS,1<<sensor);
- //proximity_sensor_on(sensor);
- unsigned char prox_lsb = prox_read_reg(PROXIMITYADDRESS,0x44);
- unsigned char prox_msb = prox_read_reg(PROXIMITYADDRESS,0x45);
- unsigned char ALS_lsb = prox_read_reg(PROXIMITYADDRESS,0x46);
- unsigned char ALS_msb = prox_read_reg(PROXIMITYADDRESS,0x47);
- unsigned char IR_lsb = prox_read_reg(PROXIMITYADDRESS,0x48);
- unsigned char IR_msb = prox_read_reg(PROXIMITYADDRESS,0x49);
-
- short proximity = prox_msb*256+prox_lsb;
- short ALS = ALS_msb*256+ALS_lsb;
- short IR = IR_msb*256+IR_lsb;
- readings[0] = proximity;
- readings[1] = ALS;
- readings[2] = IR;
- //proximity_sensor_off(sensor);
- //pc.printf(GRN "Sensor %d = %d, %d, %d\n\r",sensor,proximity,ALS,IR);
+bool powerSave = false;
- return readings;
-}
+
@@ -177,10 +85,19 @@
//********************************************************************************************************************************************
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
+ if(powerSave)
+ {
+ led_red = !0;
+ led_green = !0;
+ led_blue = !0;
+ }
+ else
+ {
+ //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()
ssize_t mdm_getline(char *buff, size_t size, int timeout_ms) {
@@ -331,7 +248,7 @@
}
return false;
}
-
+/*
bool wakeModem()
{
const char * rsp_lst[] = { ok_str, error_str, NULL };
@@ -350,7 +267,12 @@
}
return false;
}
-
+bool rebootModem()
+{
+ mdm.printf("ATZ\r\n");
+ return wakeModem();
+}
+*/
int oldmdm_init(void) {
// Hard reset the modem (doesn't go through
// the signal level translator)
@@ -504,21 +426,10 @@
{
switch(iSensorsToReport)
{
- case PROXIMITY:
+ case PROXIMITY_ONLY:
{
- char dataStr[NUM_PROXIMIY_SENSORS*32];
- int i=0;
- int index = 0;
- for (i=0; i<NUM_PROXIMIY_SENSORS; i++)
- {
- if(i<NUM_PROXIMIY_SENSORS-1)
- index += snprintf(&dataStr[index], 128, "{\"s\":%d,\"p\":%d,\"l\":%d,\"r\":%d},", i,proximityData[i][0],proximityData[i][1],proximityData[i][2]);
- else
- index += snprintf(&dataStr[index], 128, "{\"s\":%d,\"p\":%d,\"l\":%d,\"r\":%d}", i,proximityData[i][0],proximityData[i][1],proximityData[i][2]);
- }
- sprintf(modem_string, "GET %s%s?serial=%s&data=[%s] %s%s\r\n\r\n",
- FLOW_BASE_URL, FLOW_INPUT_NAME, FLOW_DEVICE_NAME, dataStr, FLOW_URL_TYPE, MY_SERVER_URL);
-
+ char* data = proximityStrip.getDataStr();
+ sprintf(modem_string, "GET %s%s?serial=%s&data=[%s] %s%s\r\n\r\n", FLOW_BASE_URL, FLOW_INPUT_NAME, FLOW_DEVICE_NAME, data, FLOW_URL_TYPE, MY_SERVER_URL);
break;
}
case TEMP_HUMIDITY_ONLY:
@@ -545,25 +456,6 @@
} //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()
-
-
-
//********************************************************************************************************************************************
//* Process JSON response messages
//********************************************************************************************************************************************
@@ -598,69 +490,133 @@
}
} //extract_JSON
-bool parse_JSON(char* json_string)
+void setPowerSave(bool on)
+{
+ string * pRespStr;
+ if(on)
+ {
+ powerSave = true;
+ send_wnc_cmd("AT+CPSMS=1", &pRespStr, WNC_TIMEOUT_MS);
+ }
+ else
+ {
+ powerSave = false;
+ send_wnc_cmd("AT+CPSMS=0", &pRespStr, WNC_TIMEOUT_MS);
+ }
+}
+
+void parse_JSON_PSM(char* json_string)
{
char* beginquote;
- char token[] = "\"LED\":\"";
+ char token[] = "\"PSM\":\"";
beginquote = strstr(json_string, token );
if ((beginquote != 0))
{
- char cLedColor = beginquote[strlen(token)];
- printf(GRN "LED Found : %c" DEF "\r\n", cLedColor);
- switch(cLedColor)
+ char mode = beginquote[strlen(token)];
+ printf(GRN "PSM Found : %c" DEF "\r\n", mode);
+ switch(mode)
{
- case 'O':
- { //Off
- SetLedColor(0);
+ case 'T':
+ { setPowerSave(true);
break;
- }
- case 'R':
- { //Red
- SetLedColor(1);
- break;
- }
- case 'G':
- { //Green
- SetLedColor(2);
- break;
- }
- case 'Y':
- { //Yellow
- SetLedColor(3);
+ }
+ case 'F':
+ { setPowerSave(false);
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;
+ }
+ }
+ }
+}
+
+
+int secToTau(int time)
+{
+ /*
+ 0 - value is incremented in multiples of 10 minutes
+ 1 - value is incremented in multiples of 1 hour
+ 2 - value is incremented in multiples of 10 hours
+ 3 - value is incremented in multiples of 2 seconds
+ 4 - value is incremented in multiples of 30 seconds
+ 5 - value is incremented in multiples of 1 minute
+*/
+ if(time/2 < 32)
+ {
+ return (0x3<<5)+time/2;
+ }
+ else if(time/30 < 32)
+ {
+ return (0x4<<5)+time/30;
+ }
+ else if(time/60 < 32)
+ {
+ return (0x5<<5)+time/60;
+ }
+ else if(time/3600 < 32)
+ {
+ return (0x1<<5)+time/3600;
+ }
+ else if(time/36000 < 32)
+ {
+ return (0x2<<5)+time/36000;
}
else
+ return (0x7<<5);
+
+
+}
+int secToActivity(int time)
+{
+ /*
+ 0 - value is incremented in multiples of 2 seconds
+ 1 - value is incremented in multiples of 1 minute
+ 2 - value is incremented in multiples of decihours
+ 7 - value indicates that the timer is deactivated.
+ */
+ if(time/2 < 32)
{
- return false;
+ return (0x0<<5)+time/2;
+ }
+ else if(time/60 < 32)
+ {
+ return (0x1<<5)+time/60;
+ }
+ else if(time/36000 < 32)
+ {
+ return (0x2<<5)+time/36000;
}
-} //parse_JSON
+ else
+ return (0x7<<5);
+
+}
+void setTauTimer(int time)
+{
+ string * pRespStr;
+ string cmd_str("AT%SETACFG=\"ecm.Mtc.PsmPTAU_T3412\",\"");
+ char str[15];
+ sprintf(str, "%d", secToTau(time));
+ pc.printf("TAU %d = %d",time,secToTau(time));
+ cmd_str += str;
+ cmd_str += "\"";
+ send_wnc_cmd("AT%SETCFG=\"EXT_TAU_CAP_EN\",\"1\"", &pRespStr, WNC_TIMEOUT_MS);
+ send_wnc_cmd("AT%SETACFG=\"ecm.Mtc.PsmCpsmsEn\",\"true\"", &pRespStr, WNC_TIMEOUT_MS);
+ send_wnc_cmd(cmd_str.c_str(), &pRespStr, WNC_TIMEOUT_MS);
+}
+
+void setActivityTimer(int time)
+{
+ string * pRespStr;
+ string cmd_str("AT%SETACFG=\"ecm.Mtc.PsmActTime_T3324\",\"");
+ char str[15];
+ sprintf(str, "%d", secToActivity(time));
+ pc.printf("Activity %d = %d",time,secToActivity(time));
+ cmd_str += str;
+ cmd_str += "\"";
+ send_wnc_cmd("AT%SETCFG=\"PSM_CAP_EN\",\"1\"", &pRespStr, WNC_TIMEOUT_MS);
+ send_wnc_cmd("AT%SETACFG=\"ecm.Mtc.PsmCpsmsEn\",\"true\"", &pRespStr, WNC_TIMEOUT_MS);
+ send_wnc_cmd(cmd_str.c_str(), &pRespStr, WNC_TIMEOUT_MS);
+}
+
+
int main() {
@@ -669,7 +625,7 @@
HTS221 hts221;
pc.baud(115200);
- proximityi2c.frequency(400000);
+
void hts221_init(void);
@@ -688,37 +644,7 @@
printf("Temp is: %0.2f F \n\r",CTOF(hts221.readTemperature()));
printf("Humid is: %02d %%\n\r",hts221.readHumidity());
-
-
- //test
- /*
- int count = 0;
- while(count < 4)
- {
- if(count == 0)
- proximity_sensor_on(i);
- for(int i = 0;i<NUM_PROXIMIY_SENSORS;i++)
- {
-
- short* readings = read_proximity(i);
- proximityData[i][0] = readings[0];
- proximityData[i][1] = readings[1];
- proximityData[i][2] = readings[2];
- }
- proximity_sensor_off(i);
- wait(2);
- count++;
- }
-*/
- for(int i = 0;i<NUM_PROXIMIY_SENSORS;i++)
- {
- proximity_sensor_on(i);
- lastProximityData[i][0] = 1000;
- }
-
- sensors_init();
- read_sensors();
// Initialize the modem
printf(GRN "Modem initializing... will take up to 60 seconds" DEF "\r\n");
@@ -737,102 +663,81 @@
// 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;
-
- // Open the socket (connect to the server)
sockopen_mdm();
// Set LED BLUE for partial init
SetLedColor(0x4);
+
+ setTauTimer(12*60*60);
+ setActivityTimer(20);
+ proximityStrip.init();
+
+ proximityStrip.on();
+
+ int count = 0;
// Send and receive data perpetually
while(1) {
- static unsigned ledOnce = 0;
- if (true || bTimerExpiredFlag)
- {
+
+
+ //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
- 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
+ SetLedColor(0x2); //green
+
+ proximityStrip.scan();
+
+ SetLedColor(0); //off
- SetLedColor(0x2); //green
- for(int i = 0;i<NUM_PROXIMIY_SENSORS;i++)
- {
-
- short* readings = read_proximity(i);
- proximityData[i][0] = readings[0];
- proximityData[i][1] = readings[1];
- proximityData[i][2] = readings[2];
- if(abs(proximityData[i][0] - lastProximityData[i][0]) > 50)
- {
- proximityChange = true;
- }
- }
-
+ if(count >= 5*60 ||proximityStrip.changed(50))
+ {
+ count = 0;
+ SetLedColor(0x04); //blue
- SetLedColor(0); //off
+ char modem_string[512];
+ GenerateModemString(&modem_string[0]);
+ printf(BLU "Sending to modem : %s" DEF "\r\n", modem_string);
+ wakeModem();
+ sockwrite_mdm(modem_string);
+ sockread_mdm(&MySocketData, 1024, 20);
- if(proximityChange)
- {
- SetLedColor(0x04); //blue
- proximityChange = false;
- char modem_string[512];
- GenerateModemString(&modem_string[0]);
- printf(BLU "Sending to modem : %s" DEF "\r\n", modem_string);
- wakeModem();
- 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 (MySocketData.length() > 0)
- {
+ // If any non-zero response from server, make it GREEN one-time
+ // then the actual FLOW responses will set the color.
+ if (MySocketData.length() > 0)
+ {
- SetLedColor(0x2); // green
- //only copy on sucessful send
- for(int i = 0;i<NUM_PROXIMIY_SENSORS;i++)
- {
- lastProximityData[i][0] = proximityData[i][0];
- }
- printf(BLU "Read back : %s" DEF "\r\n", &MySocketData[0]);
- char myJsonResponse[512];
- if (extract_JSON(&MySocketData[0], &myJsonResponse[0]))
- {
- printf(GRN "JSON : %s" DEF "\r\n", &myJsonResponse[0]);
- //parse_JSON(&myJsonResponse[0]);
- }
- else
- {
- printf(RED "JSON : %s" DEF "\r\n", &myJsonResponse[0]); //most likely an incomplete JSON string
- //parse_JSON(&myJsonResponse[0]); //This is risky, as the string may be corrupted
- }
- SetLedColor(0); // off
+ SetLedColor(0x2); // green
+ //only copy on sucessful send
+
+ printf(BLU "Read back : %s" DEF "\r\n", &MySocketData[0]);
+ char myJsonResponse[512];
+ if (extract_JSON(&MySocketData[0], &myJsonResponse[0]))
+ {
+ printf(GRN "JSON : %s" DEF "\r\n", &myJsonResponse[0]);
+ parse_JSON_PSM(&myJsonResponse[0]);
}
- else
+ SetLedColor(0); // off
+ }
+ else
+ {
+ SetLedColor(0x1); //red
+ // reset socket if read fails
+ if(sendAttemps < 2)
{
- SetLedColor(0x1); //red
- // reset socket if read fails
- if(sendAttemps < 2)
- {
- sendAttemps++;
- sockclose_mdm();
- sockopen_mdm();
- }
- else // give up and do full reset
- {
+ sendAttemps++;
+ sockclose_mdm();
+ sockopen_mdm();
+ }
+ else // give up and do full reset
+ {
+ if(!rebootModem())
system_reset();
- }
+ }
- }
-
-
- }
- wait(0.2);
- } //bTimerExpiredFlag
-
+ }
+ }
+ count++;
+ wait(0.2);
} //forever loop
}