Gustavo Ramirez
SENSOR DE COLOR CON EL MODULO I2C. TCS34725 PASA VALORES A UNA TERMINAL SERIAL. PRUEBA USANDO EL CAPUCHÓN DE UN MARCADOR DE COLOR ROJO.
CONEXION DEL CIRCUITO A UNA PLACA FRDMKL25Z
RESPUESTA EN UNA CONSOLA SERIAL TERMITE: AL COLOCAR UN MARCADOR ROJO COMO MUESTRA LA FOTO DE ARRIBA
Revision 0:cbc56fa99411, committed 2020-03-10
- Comitter:
- tony63
- Date:
- Tue Mar 10 00:34:31 2020 +0000
- Commit message:
- SENSOR DE COLOR TCS34725
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r cbc56fa99411 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Mar 10 00:34:31 2020 +0000
@@ -0,0 +1,83 @@
+#include "mbed.h"
+
+#include "mbed.h"
+
+I2C i2c(PTE0, PTE1); //pins for I2C communication (SDA, SCL)
+Serial pc(USBTX, USBRX); //Used to view the colors that are read in
+
+int sensor_addr = 41 << 1;
+
+DigitalOut green(LED1);
+DigitalOut led(PTC12);
+
+int main() {
+ pc.baud(9600);
+ green = 1; // off
+
+ // Connect to the Color sensor and verify
+
+ i2c.frequency(200000);
+
+ char id_regval[1] = {146};
+ char data[1] = {0};
+ i2c.write(sensor_addr,id_regval,1, true);
+ i2c.read(sensor_addr,data,1,false);
+
+ if (data[0]==68) {
+ green = 0;
+ wait (2);
+ green = 1;
+ } else {
+ green = 1;
+ }
+
+ // Initialize color sensor
+
+ char timing_register[2] = {129,0};
+ i2c.write(sensor_addr,timing_register,2,false);
+
+ char control_register[2] = {143,0};
+ i2c.write(sensor_addr,control_register,2,false);
+
+ char enable_register[2] = {128,3};
+ i2c.write(sensor_addr,enable_register,2,false);
+
+ // Read data from color sensor (Clear/Red/Green/Blue)
+ led = 1;
+ while (true) {
+ char clear_reg[1] = {148};
+ char clear_data[2] = {0,0};
+ i2c.write(sensor_addr,clear_reg,1, true);
+ i2c.read(sensor_addr,clear_data,2, false);
+
+ int clear_value = ((int)clear_data[1] << 8) | clear_data[0];
+
+ char red_reg[1] = {150};
+ char red_data[2] = {0,0};
+ i2c.write(sensor_addr,red_reg,1, true);
+ i2c.read(sensor_addr,red_data,2, false);
+
+ int red_value = ((int)red_data[1] << 8) | red_data[0];
+
+ char green_reg[1] = {152};
+ char green_data[2] = {0,0};
+ i2c.write(sensor_addr,green_reg,1, true);
+ i2c.read(sensor_addr,green_data,2, false);
+
+ int green_value = ((int)green_data[1] << 8) | green_data[0];
+
+ char blue_reg[1] = {154};
+ char blue_data[2] = {0,0};
+ i2c.write(sensor_addr,blue_reg,1, true);
+ i2c.read(sensor_addr,blue_data,2, false);
+
+ int blue_value = ((int)blue_data[1] << 8) | blue_data[0];
+
+ // print sensor readings
+
+ pc.printf("Clear (%d), Red (%d), Green (%d), Blue (%d)\n", clear_value, red_value, green_value, blue_value);
+ //The above code displays the red, green, and blue values read in by the color sensor.
+ wait(0.5);
+ }
+
+}
\ No newline at end of file
diff -r 000000000000 -r cbc56fa99411 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Mar 10 00:34:31 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file