初始化提交

2024-07-20 22:09:06 +08:00
commit c247dd07a6
6876 changed files with 2743096 additions and 0 deletions
--- a/arduino-cli/libraries/PCF8591/examples/analogReadWrite/analogReadWrite.ino
+++ b/arduino-cli/libraries/PCF8591/examples/analogReadWrite/analogReadWrite.ino
@@ -0,0 +1,67 @@
+/*
+ * 	PCF8591 Analog Port Expand
+ *  Read all analog pins and write value on analog ouput
+ *
+ *  by Mischianti Renzo <http://www.mischianti.org>
+ *
+ *  https://www.mischianti.org/2019/01/03/pcf8591-i2c-analog-i-o-expander/
+ *
+ *
+ * PCF8574    ----- Esp32
+ * A0         ----- GRD
+ * A1         ----- GRD
+ * A2         ----- GRD
+ * SDA        ----- A4
+ * SCL        ----- A5
+ *
+ *
+ */
+#include "Arduino.h"
+#include "PCF8591.h"
+#define PCF8591_I2C_ADDRESS 0x48
+
+PCF8591 pcf8591(PCF8591_I2C_ADDRESS);
+
+void setup()
+{
+	Serial.begin(115200);
+	pcf8591.begin();
+}
+
+void loop()
+{
+	PCF8591::AnalogInput ai = pcf8591.analogReadAll();
+	Serial.print(ai.ain0);
+	Serial.print(" - ");
+	Serial.print(ai.ain1);
+	Serial.print(" - ");
+	Serial.print(ai.ain2);
+	Serial.print(" - ");
+	Serial.println(ai.ain3);
+
+	delay(3000);
+
+	int ana = pcf8591.analogRead(AIN0);
+	Serial.print("AIN0 --> ");
+	Serial.println(ana);
+
+	ana = pcf8591.analogRead(AIN1);
+	Serial.print("AIN1 --> ");
+	Serial.println(ana);
+
+	ana = pcf8591.analogRead(AIN2);
+	Serial.print("AIN2 --> ");
+	Serial.println(ana);
+
+	ana = pcf8591.analogRead(AIN3);
+	Serial.print("AIN3 --> ");
+	Serial.println(ana);
+	delay(3000);
+
+	pcf8591.analogWrite(0);
+	delay(3000);
+	pcf8591.analogWrite(128);
+	delay(3000);
+	pcf8591.analogWrite(255);
+	delay(3000);
+}