Jaewook Shin
SCH MME sensor test
Dependencies: mbed Adafruit_GFX
Revision 0:28c89a4b6b69, committed 2019-11-06
- Comitter:
- shinshingo
- Date:
- Wed Nov 06 09:05:08 2019 +0000
- Child:
- 1:bbf8b08b8a20
- Commit message:
- SCH MME L432KC Mbed Sensor Test
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Adafruit_GFX.lib Wed Nov 06 09:05:08 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/nkhorman/code/Adafruit_GFX/#7fb1d4d3525d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Nov 06 09:05:08 2019 +0000
@@ -0,0 +1,51 @@
+#include "mbed.h"
+#include "Adafruit_SSD1306.h"
+#include "mlx90615.h"
+
+DigitalOut myled_R(LED1);
+
+I2C i2c_sensor(I2C_SDA,I2C_SCL);
+I2C i2c_oled(D12, A6);
+
+Adafruit_SSD1306_I2c myOled(i2c_oled,NC,0x78,64,128);
+MLX90615 myMlx(&i2c_sensor);
+
+Serial pc(USBTX, USBRX, 9600);
+Serial HC06(D1, D0, 9600);
+
+int main()
+{
+ float temp = 0.0;
+ float amb_temp = 0.0;
+ int16_t ir_data = 0;
+
+ myOled.begin();
+ myOled.printf("%ux%u \nHellow World\r\n", myOled.width(), myOled.height());
+ myOled.display();
+
+ myOled.clearDisplay();
+
+ pc.printf("===============Hello world===============\n\r");
+
+ while(1)
+ {
+ myled_R = !myled_R;
+
+ temp = 0;
+ amb_temp = 0;
+ ir_data = 0;
+
+ if (myMlx.getTemp(&temp)& myMlx.getTempAmbient(&amb_temp) & myMlx.getRawIR(&ir_data))
+ {
+ myOled.clearDisplay();
+ myOled.setTextCursor(0,0);
+ pc.printf("%5.2f, %5.2f, %d\n",temp, amb_temp, ir_data);
+ HC06.printf("%5.2f, %5.2f, %d\r\n",temp, amb_temp, ir_data);
+ myOled.printf("%5.2f, %5.2f, %d\r\n",temp, amb_temp, ir_data);
+ myOled.display();
+ }
+ wait(1.0);
+
+
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Nov 06 09:05:08 2019 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mlx90615.cpp Wed Nov 06 09:05:08 2019 +0000
@@ -0,0 +1,81 @@
+
+#include "mlx90615.h"
+
+
+
+
+MLX90615::MLX90615(I2C* i2c,int addr){
+
+ this->i2caddress = addr;
+ this->i2c = i2c;
+
+}
+
+
+bool MLX90615::getTemp(float* temp_val){
+
+ char ch1, ch2;
+ char cmd[3];
+
+ cmd[0] = 0x27;
+ cmd[1] = 0;
+ cmd[2] = 0;
+
+ i2c->stop();
+ wait_us(5);
+ ch1 = i2c->write(0xb6, cmd, 1, true);
+ if (ch1 != 0) {return false;}
+ ch2 = i2c->read(0xb7, cmd, 3);
+ if (ch2 != 0) {return false;}
+ wait_us(5);
+
+ *temp_val = ((((cmd[1]&0x007f)<<8)+cmd[0])*0.02)-273.15;
+ return true;
+
+}
+
+bool MLX90615::getTempAmbient(float* temp_val){
+
+ char ch1, ch2;
+ char cmd[3];
+
+ cmd[0] = 0x26;
+ cmd[1] = 0;
+ cmd[2] = 0;
+
+ i2c->stop();
+ wait_us(5);
+ ch1 = i2c->write(0xb6, cmd, 1, true);
+ if (ch1 != 0) {return false;}
+ ch2 = i2c->read(0xb7, cmd, 3);
+ if (ch2 != 0) {return false;}
+ wait_us(5);
+
+ *temp_val = ((((cmd[1]&0x007f)<<8)+cmd[0])*0.02)-273.15;
+ return true;
+
+}
+
+bool MLX90615::getRawIR(int16_t* ir_val){
+
+ char ch1, ch2;
+ char cmd[3];
+ uint16_t temp;
+
+ cmd[0] = 0x25;
+ cmd[1] = 0;
+ cmd[2] = 0;
+
+ i2c->stop();
+ wait_us(5);
+ ch1 = i2c->write(0xb6, cmd, 1, true);
+ if (ch1 != 0) {return false;}
+ ch2 = i2c->read(0xb7, cmd, 3);
+ if (ch2 != 0) {return false;}
+ wait_us(5);
+ temp = (uint16_t)((cmd[1]<<8)|cmd[0]);
+ if(temp & 0x8000) *ir_val = ~((int16_t)(temp & 0x7fff))+1;
+ else *ir_val = (int16_t)temp;
+ return true;
+
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mlx90615.h Wed Nov 06 09:05:08 2019 +0000
@@ -0,0 +1,61 @@
+#include "mbed.h"
+
+//Melexis Infrared Thermometer MLX90614 Library
+
+//*****************************************************************
+// Build : 2011-06-08 Hikaru Sugiura
+// Only read thermo data.
+//
+// This program is based on Mr.Mitesh Patel's "mlx90614".
+// http://mbed.org/users/mitesh2patel/programs/mlx90614/lqnetj
+//
+// This program does not check CRC.
+// If you want to check CRC, please do it your self :)
+//****************************************************************//
+
+/**An Interface for MLX90614
+*
+* @code
+* //Print temperature data
+* #include "mbed.h"
+* #include "mlx90614.h"
+*
+* I2C i2c(p28,p27); //sda,scl
+* MLX90614 thermometer(&i2c);
+* float temp;
+*
+* void main(void){
+* if(thermometer.getTemp(&temp)){
+* printf("Temperature : %f \r\n",temp);
+* }
+* wait(0.5);
+*
+* }
+* @endcode
+*/
+
+
+class MLX90615{
+
+ public:
+ /** Create MLX90614 interface, initialize with selected I2C port and address.
+ *
+ * @param i2c I2C device pointer
+ * @param addr Device address(default=0xB4)
+ */
+ MLX90615(I2C* i2c,int addr=0xB6);
+
+ /** Get Temperature data from MLX90614.
+ *
+ * @param temp_val return valiable pointer
+ * @return 0 on success (ack), or non-0 on failure (nack)
+ */
+ bool getTemp(float* temp_val);
+ bool getTempAmbient(float* temp_val);
+ bool getRawIR(int16_t* ir_val);
+
+ private:
+ I2C* i2c;
+ int i2caddress;
+
+};
\ No newline at end of file