ENSMM
Programme complet du projet SBra. Lecture de 64 capteur thermique I2C avec 2 multiplexeur TCA9548A, enregistrement sur carte microSD et communication BLE.
Dependencies: TCA9548A mbed SimpleBLE X_NUCLEO_IDB0XA1 SDFileSystem3 USBDevice
Revision 9:0b803d9b4af4, committed 2020-01-28
- Comitter:
- adrevong
- Date:
- Tue Jan 28 11:19:57 2020 +0000
- Parent:
- 8:f9cd29526673
- Commit message:
Changed in this revision
--- a/LIS3DH_spi.lib Tue Dec 17 14:25:24 2019 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -https://os.mbed.com/users/franzle/code/LIS3DH_spi/#ce2396b1c9a1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Tue Jan 28 11:19:57 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/teams/ENSMM/code/SDFileSystem3/#8b2a15992487
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TCA9548A.lib Tue Jan 28 11:19:57 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/akashvibhute/code/TCA9548A/#768491b5e55d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDevice.lib Tue Jan 28 11:19:57 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/USBDevice/#53949e6131f6
--- a/main.cpp Tue Dec 17 14:25:24 2019 +0000
+++ b/main.cpp Tue Jan 28 11:19:57 2020 +0000
@@ -1,95 +1,232 @@
-//Includes
+/* MEMOS
+
+Addresses of the different sensors TMP117 :
+ 112 (Decimel) = 70 (Hexadecimal)
+ 116 (Decimel) = 74 (Hexadecimal)
+Addresses of the different sensors TMP117 :
+ Ground 1001000x (0x90/0x91) Address 1
+ V+ 1001001x (0x92/0x93) Address 2
+ SDA 1001010x (0x94/0x95) Address 3
+ SCL 1001011x (0x96/0x97) Address 4
+*/
+
+
+int Intervalle_Mesures = 300; //Choix de l'intervalle de mesure en sec
+
+
+
+ //Includes
#include "mbed.h"
#include "SimpleBLE.h"
-#include "LIS3DH.h"
+#include "tca9548a.h" // tca954a libary
+#include "SDFileSystem.h" // Sd-Card Libray
+Timer timer;
+#include "USBSerial.h"
-//Accelerometer
+#define I2C_SDA PB_9 // The µcontrolleur SDA
+#define I2C_SCL PB_8 // The µcontrolleur SCL
-#define MOSI PC_12
-#define MISO PC_11
-#define CS PC_5
-#define SCLK PC_10
+//SD Card
+#define MOSI PA_7
+#define MISO PA_6
+#define sclk PA_5
+#define cs PB_6
+
+
+//USART
+USBSerial pc(0x1f00, 0x2012, 0x0001, false);
//Init simpleBLE
+SimpleBLE ble("SBRA");
-SimpleBLE ble("ObCP_CROC_ENSMM");
+// Multiplexeurs
+TCA9548A i2c_sw1(I2C_SDA, I2C_SCL, 0x70);
+TCA9548A i2c_sw2(I2C_SDA, I2C_SCL, 0x74);
+//Voie I2C du F411
+I2C i2c(I2C_SDA, I2C_SCL);
-// GPIO set
+//SD Pinout
+SDFileSystem sd(MOSI, MISO, sclk, cs, "sd");
//Interrupt input
+InterruptIn button(PC_13); //User1
-InterruptIn user1(PC_13); //User1
-//PWM output
-PwmOut PWMoutput(PB_1); //Main PWM output
-PwmOut Green(PC_8); //PWM Red LED
-PwmOut Red(PC_6); //PWM Green LED
-PwmOut Blue(PC_9); //PWM Blue LED
+//Variables
+FILE *SDsave;
+float tmp[64];
+char cmd[2];
+//Sensors Address
+char ADD[8];
+
+
+// Characteristics BLE_Sensors input
+SimpleChar<float> T11 = ble.readOnly_float(0xA000, 0xA002);
+SimpleChar<float> T21 = ble.readOnly_float(0xA000, 0xA006);
+SimpleChar<float> T31 = ble.readOnly_float(0xA000, 0xA010);
+
+
+
+void SD(int Save){
-//Init accelerometer
-
-LIS3DH acc(MOSI, MISO, SCLK, CS, LIS3DH_DR_NR_LP_50HZ, LIS3DH_FS_2G);
-
-// Characteristics Accelerometer input
-
-SimpleChar<float> accX = ble.readOnly_float(0xA000, 0xA002);
-SimpleChar<float> accY = ble.readOnly_float(0xA000, 0xA003);
-SimpleChar<float> accZ = ble.readOnly_float(0xA000, 0xA004);
+ if (Save == 2){
+ SDsave= fopen("/sd/SBraTests.txt", "w"); // Open the .txt file
+ pc.printf(" initialisation SD OK\t");
+ }
+
+ if (Save == 1){
+ //SD Save
+ for (int z=0; z<=63; z++){
+ pc.printf(" %0.2f", tmp[z]); //Affichage pour validation
+ fprintf(SDsave, "%0.3f\t", tmp[z]); // Savegarde sur carte SD
+
+ if(SDsave == NULL) { error("Could not open file for write\n");}
+ }
+ fprintf(SDsave, "\n");
+ pc.printf(" \n\r");
+ }
+
+ if (Save == 3){
+ fclose(SDsave);
+ pc.printf("Finish\n");
+ }
+}
-// When characteristic LED RGB changing
-
-void LEDupdate(uint32_t newColor)
-{
- // read individual bytes
- uint8_t* channels = (uint8_t*)&newColor;
-
- // cast to float, as PwmOut expects a value between 0.0f and 1.0f
- Red = static_cast<float>(channels[0]) / 255.0f;
- Green = static_cast<float>(channels[1]) / 255.0f;
- Blue = static_cast<float>(channels[2]) / 255.0f;
-}
-
-// When characteristic PWM output changing
-
-void PWMupdate(uint8_t pwmvalue)
-{
-
- // cast to float, as PwmOut expects a value between 0.0f and 1.0f
- PWMoutput = static_cast<float>(pwmvalue) / 255.0f;
+void Sensors(int Lecture){
+ if (Lecture == 0){
+ //Initialisation des capteurs
+ for (int channel=0; channel<=7; channel++){
+ i2c_sw1.select(channel);
+ for (int i=0; i<=6;){
+ cmd[0] = 0x01;
+ cmd[1] = 0x00;
+
+ i2c.write(ADD[i+1], cmd, 2);
+ cmd[0] = 0x00;
+ i2c.write(ADD[i+1], cmd, 1);
+
+ wait(0.3);
+ i = i + 2;
+ }
+ wait(0.3);
+
+ i2c_sw2.select(channel);
+ wait(0.1);
+ for (int i=0; i<=6;){
+ cmd[0] = 0x01;
+ cmd[1] = 0x00;
+
+ i2c.write(ADD[i+1], cmd, 2);
+ cmd[0] = 0x00;
+ i2c.write(ADD[i+1], cmd, 1);
+
+ wait(0.3);
+ i = i + 2;
+ }
+ }
+ pc.printf(" initialisation Sensors OK\t");
+ }
+
+ if (Lecture == 1){
+ int num_capteur = 0;
+ //Valeurs du multiplexeur n°1
+ for (int channel=0; channel<=7; channel++){
+ i2c_sw1.select(channel);
+ //Lecture des sensors de chaine selectionne
+ for (int i=0; i<=6;){
+ cmd[0] = 0;
+ cmd[1] = 0;
+
+ i2c.read(ADD[i], cmd, 2);
+ wait(0.1);
+
+ float x = float(cmd[0])*2;
+ float y = float(cmd[1])*0.0078125;
+ tmp[num_capteur] = x + y;
+ //printf(" %0.2f", x+y);//*********
+ i = i+2;
+ num_capteur++;
+ }
+ }
+ wait(0.1);
+ //Valeurs du multiplexeur n°2
+ for (int channel=0; channel<=7; channel++){
+ i2c_sw2.select(channel);
+ //Lecture des sensors de chaine selectionne
+ for (int i=0; i<=6;){
+ cmd[0] = 0;
+ cmd[1] = 0;
+
+ i2c.read(ADD[i], cmd, 2);
+ wait(0.1);
+
+ float x = float(cmd[0])*2;
+ float y = float(cmd[1])*0.0078125;
+ tmp[num_capteur] = x + y;
+ //printf(" %0.2f", x+y);//*****
+ i = i+2;
+ num_capteur++;
+ }
+ }
+ SD(1);
+ }
}
// When characteristic input changing
void Accupdate()
{
-
- accX = float(short((acc.read_reg(LIS3DH_OUT_X_H) << 8) | acc.read_reg(LIS3DH_OUT_X_L))) * 0.001F / 15;
- accY = float(short((acc.read_reg(LIS3DH_OUT_Y_H) << 8) | acc.read_reg(LIS3DH_OUT_Y_L))) * 0.001F / 15;
- accZ = float(short((acc.read_reg(LIS3DH_OUT_Z_H) << 8) | acc.read_reg(LIS3DH_OUT_Z_L))) * 0.001F / 15;
-
+ T11 = tmp[0];
+ T21 = tmp[4];
+ T31 = tmp[8];
}
-// Characteritic PWM LED RGB
-SimpleChar<uint32_t> color = ble.writeOnly_u32(0x6200, 0x6201, &LEDupdate);
-
-// Characteristic PWM output
-SimpleChar<uint8_t> pwmout = ble.writeOnly_u8(0xA000, 0xA001, &PWMupdate);
-
-
//Main program
-
-int main(int, char**)
-{
-
+int main(){
+
+ timer.start();
+ float time, time1;
+
+ time = timer.read_ms()/1000;
+//Sensors Address 1
+ ADD[0]=0x90;
+ ADD[1]=0x91;
+//Sensors Address 2
+ ADD[2]=0x92;
+ ADD[3]=0x93;
+//Sensors Address 3
+ ADD[4]=0x94;
+ ADD[5]=0x95;
+//Sensors Address 4
+ ADD[6]=0x96;
+ ADD[7]=0x97;
+
+ pc.printf("Initialiation...\t");
+
+ Sensors(0);
+ SD(2);
+ wait(2);
ble.start();
Ticker t;
t.attach(&Accupdate, 5.0f);
+
+ pc.printf("Initialisation OK\t");
+ pc.printf(" \n\r");
- while (1) {
+ while (button == 1) {
+ time1 = timer.read_ms()/1000;
ble.waitForEvent();
-
- }
+
+ if (time1-time>Intervalle_Mesures){
+ Sensors(1);
+ time=timer.read_ms()/1000;
+ time1=timer.read_ms()/1000;
+ }
+ }SD(3);
}
+
+
+
--- a/mbed.bld Tue Dec 17 14:25:24 2019 +0000 +++ b/mbed.bld Tue Jan 28 11:19:57 2020 +0000 @@ -1,1 +1,1 @@ -https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc \ No newline at end of file +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file