Revision 0:a13a2f61b5f1, committed 2018-07-23

Comitter:

JackB

Date:

Mon Jul 23 12:24:48 2018 +0000

Commit message:

I2CL

Changed in this revision

diff -r 000000000000 -r a13a2f61b5f1 I2CList.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/I2CList.cpp	Mon Jul 23 12:24:48 2018 +0000
@@ -0,0 +1,60 @@
+#include "I2CList.h"
+
+I2CList::I2CList(PinName sda, PinName scl) : i2c(sda, scl)
+{
+}
+
+char * I2CList::GetName(int address)
+{
+    strcpy(i2c_name, "");
+    if (address == 0x30)
+        strcpy(i2c_name, "MCP9808   Temp. Sensor");
+    if (address == 0x46)
+        strcpy(i2c_name, "BH1750FVI Light Sensor");
+    if (address == 0x52)
+        strcpy(i2c_name, "TSL2591   Light Sensor");
+    if (address == 0x6F)
+        strcpy(i2c_name, "MCP79412  RTC (Real Time Clock)");
+    if (address == 0x70)
+        strcpy(i2c_name, "FT6206    CTPC (Capacitive Touch Panel Controller)");
+    if (address == 0x72)
+        strcpy(i2c_name, "TSL2561   Light Sensor");
+    if (address == 0x78)
+        strcpy(i2c_name, "SD1306    OLED Display");
+    if ((address == 0x80) || (address == 0xE0))
+        strcpy(i2c_name, "PCA9685   LED PWM 16x12-bit");
+    if ((address == 0x90) || (address == 0x92))
+        strcpy(i2c_name, "ADS1115   ADC 4x16-bit");
+    if (address == 0xA0)
+        strcpy(i2c_name, "24C256    EEPROM 32kB");
+    if (address == 0xAC)
+        strcpy(i2c_name, "24C32     EEPROM 4kB");
+    if (address == 0xD0)
+        strcpy(i2c_name, "RTC       RTC (Real Time Clock)");
+    if (address == 0xD2)
+        strcpy(i2c_name, "AMG8833   8x8 Infrared Array Sensor");
+    if (address == 0xE0)
+        strcpy(i2c_name, "PCA9685   LED All Call");
+        
+    return i2c_name;
+}
+
+void I2CList::List(void)
+{
+    // 0x80, 0xE0 PCA9685
+    printf("Searching for I2C devices...\n");
+    printf("I2C    Addr   Device    Description\n");
+    wait(0.001);
+    printf("-----------------------------------------------------------\n");
+    wait(0.001);
+    // i2c1
+    int i = 1;
+    for (int address = 0; address < 256; address += 2) {
+        if (!i2c.write(address, NULL, 0)) { // 0 returned is ok
+            printf("1.%02d   0x%02X   %s\n", i, address, GetName(address));
+            i++;
+            wait(0.001);
+        }
+    }
+    printf("\n");
+}

diff -r 000000000000 -r a13a2f61b5f1 I2CList.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/I2CList.h	Mon Jul 23 12:24:48 2018 +0000
@@ -0,0 +1,22 @@
+#include "mbed.h"
+
+#ifndef __I2CLIST_H__
+#define __I2CLIST_H__
+
+class I2CList {
+public:
+I2CList(PinName sda, PinName scl);
+char * GetName(int address);
+void List(void);
+
+private:
+I2C i2c;
+char data_write[3];
+char data_read[2];
+char i2c_name[32];
+
+protected:
+
+};
+
+#endif