Kevin Braun
I2C device discovery and printout of known device names
Diff: i2cDevices.cpp
- Revision:
- 0:df49b3ed3502
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/i2cDevices.cpp Thu Jan 10 17:44:10 2019 +0000
@@ -0,0 +1,751 @@
+#include "mbed.h"
+#include "i2cDevices.h"
+
+extern RawSerial pc;
+
+//--------------------------------------------------------------------------------------------------------------------------------------//
+//Constructor
+
+i2c_discovery::i2c_discovery(PinName sda, PinName scl, const char* name) : _i2c(sda, scl) {
+ _i2c.frequency(100000);
+}
+
+//--------------------------------------------------------------------------------------------------------------------------------------//
+//Display detected i2c device name
+
+int i2c_discovery::showI2C(i2cDeviceFlags& i2cFlags, char addr) {
+ switch (addr) {
+#ifdef I2C_0x02
+ case 0x02:
+ pc.printf("%s\r\n", I2C_0x02);
+ i2cFlags.PCA9955_GGG_ok = true;
+ break;
+#endif
+#ifdef I2C_0x04
+ case 0x04:
+ pc.printf("%s\r\n", I2C_0x04);
+ break;
+#endif
+#ifdef I2C_0x06
+ case 0x06:
+ pc.printf("%s\r\n", I2C_0x06);
+ break;
+#endif
+#ifdef I2C_0x08
+ case 0x08:
+ pc.printf("%s\r\n", I2C_0x08);
+ break;
+#endif
+#ifdef I2C_0x0A
+ case 0x0A:
+ pc.printf("%s\r\n", I2C_0x0A);
+ break;
+#endif
+#ifdef I2C_0x0C
+ case 0x0C:
+ pc.printf("%s\r\n", I2C_0x0C);
+ break;
+#endif
+#ifdef I2C_0x0E
+ case 0x0E:
+ pc.printf("%s\r\n", I2C_0x0E);
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0x10
+ case 0x10:
+ pc.printf("%s\r\n", I2C_0x10);
+ break;
+#endif
+#ifdef I2C_0x12
+ case 0x12:
+ pc.printf("%s\r\n", I2C_0x12);
+ break;
+#endif
+#ifdef I2C_0x14
+ case 0x14:
+ pc.printf("%s\r\n", I2C_0x14);
+ break;
+#endif
+#ifdef I2C_0x16
+ case 0x16:
+ pc.printf("%s\r\n", I2C_0x16);
+ break;
+#endif
+#ifdef I2C_0x18
+ case 0x18:
+ pc.printf("%s\r\n", I2C_0x18);
+ break;
+#endif
+#ifdef I2C_0x1A
+ case 0x1A:
+ pc.printf("%s\r\n", I2C_0x1A);
+ break;
+#endif
+#ifdef I2C_0x1C
+ case 0x1C:
+ pc.printf("%s\r\n", I2C_0x1C);
+ break;
+#endif
+#ifdef I2C_0x1E
+ case 0x1E:
+ pc.printf("%s\r\n", I2C_0x1E);
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0x20
+ case 0x20:
+ pc.printf("%s\r\n", I2C_0x20);
+ i2cFlags.VEML60xx_ok = true;
+ break;
+#endif
+#ifdef I2C_0x22
+ case 0x22:
+ pc.printf("%s\r\n", I2C_0x22);
+ break;
+#endif
+#ifdef I2C_0x24
+ case 0x24:
+ pc.printf("%s\r\n", I2C_0x24);
+ break;
+#endif
+#ifdef I2C_0x26
+ case 0x26:
+ pc.printf("%s\r\n", I2C_0x26);
+ break;
+#endif
+#ifdef I2C_0x28
+ case 0x28:
+ pc.printf("%s\r\n", I2C_0x28);
+ break;
+#endif
+#ifdef I2C_0x2A
+ case 0x2A:
+ pc.printf("%s\r\n", I2C_0x2A);
+ break;
+#endif
+#ifdef I2C_0x2C
+ case 0x2C:
+ pc.printf("%s\r\n", I2C_0x2C);
+ break;
+#endif
+#ifdef I2C_0x2E
+ case 0x2E:
+ pc.printf("%s\r\n", I2C_0x2E);
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0x30
+ case 0x30:
+ pc.printf("%s\r\n", I2C_0x30);
+ break;
+#endif
+#ifdef I2C_0x32
+ case 0x32:
+ pc.printf("%s\r\n", I2C_0x32);
+ break;
+#endif
+#ifdef I2C_0x34
+ case 0x34:
+ pc.printf("%s\r\n", I2C_0x34);
+ break;
+#endif
+#ifdef I2C_0x36
+ case 0x36:
+ pc.printf("%s\r\n", I2C_0x36);
+ break;
+#endif
+#ifdef I2C_0x38
+ case 0x38:
+ pc.printf("%s\r\n", I2C_0x38);
+ i2cFlags.mma8451cs1_ok = true;
+ //fxos8700_ok = true;
+ break;
+#endif
+#ifdef I2C_0x3A
+ case 0x3A:
+ pc.printf("%s\r\n", I2C_0x3A);
+ //fxos8700_ok = true;
+ break;
+#endif
+#ifdef I2C_0x3C
+ case 0x3C:
+ pc.printf("%s\r\n", I2C_0x3C);
+ //fxos8700_ok = true;
+ break;
+#endif
+#ifdef I2C_0x3E
+ case 0x3E:
+ pc.printf("%s\r\n", I2C_0x3E);
+ //fxos8700_ok = true;
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0x40
+ case 0x40:
+ pc.printf("%s\r\n", I2C_0x40);
+ break;
+#endif
+#ifdef I2C_0x42
+ case 0x42:
+ pc.printf("%s\r\n", I2C_0x42);
+ break;
+#endif
+#ifdef I2C_0x44
+ case 0x44:
+ pc.printf("%s\r\n", I2C_0x44);
+ break;
+#endif
+#ifdef I2C_0x46
+ case 0x46:
+ pc.printf("%s\r\n", I2C_0x46);
+ break;
+#endif
+#ifdef I2C_0x48
+ case 0x48:
+ pc.printf("%s\r\n", I2C_0x48);
+ break;
+#endif
+#ifdef I2C_0x4A
+ case 0x4A:
+ pc.printf("%s\r\n", I2C_0x4A);
+ break;
+#endif
+#ifdef I2C_0x4C
+ case 0x4C:
+ pc.printf("%s\r\n", I2C_0x4C);
+ break;
+#endif
+#ifdef I2C_0x4E
+ case 0x4E:
+ pc.printf("%s\r\n", I2C_0x4E);
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0x50
+ case 0x50:
+ pc.printf("%s\r\n", I2C_0x50);
+ break;
+#endif
+#ifdef I2C_0x52
+ case 0x52:
+ pc.printf("%s\r\n", I2C_0x52);
+ break;
+#endif
+#ifdef I2C_0x54
+ case 0x54:
+ pc.printf("%s\r\n", I2C_0x54);
+ break;
+#endif
+#ifdef I2C_0x56
+ case 0x56:
+ pc.printf("%s\r\n", I2C_0x56);
+ break;
+#endif
+#ifdef I2C_0x58
+ case 0x58:
+ pc.printf("%s\r\n", I2C_0x58);
+ break;
+#endif
+#ifdef I2C_0x5A
+ case 0x5A:
+ pc.printf("%s\r\n", I2C_0x5A);
+ break;
+#endif
+#ifdef I2C_0x5C
+ case 0x5C:
+ pc.printf("%s\r\n", I2C_0x5C);
+ break;
+#endif
+#ifdef I2C_0x5E
+ case 0x5E:
+ pc.printf("%s\r\n", I2C_0x5E);
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0x60
+ case 0x60:
+ pc.printf("%s\r\n", I2C_0x60);
+ break;
+#endif
+#ifdef I2C_0x62
+ case 0x62:
+ pc.printf("%s\r\n", I2C_0x62);
+ break;
+#endif
+#ifdef I2C_0x64
+ case 0x64:
+ pc.printf("%s\r\n", I2C_0x64);
+ break;
+#endif
+#ifdef I2C_0x66
+ case 0x66:
+ pc.printf("%s\r\n", I2C_0x66);
+ break;
+#endif
+#ifdef I2C_0x68
+ case 0x68:
+ pc.printf("%s\r\n", I2C_0x68);
+ break;
+#endif
+#ifdef I2C_0x6A
+ case 0x6A:
+ pc.printf("%s\r\n", I2C_0x6A);
+ break;
+#endif
+#ifdef I2C_0x6C
+ case 0x6C:
+ pc.printf("%s\r\n", I2C_0x6C);
+ break;
+#endif
+#ifdef I2C_0x6E
+ case 0x6E:
+ pc.printf("%s\r\n", I2C_0x6E);
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0x70
+ case 0x70:
+ pc.printf("%s\r\n", I2C_0x70);
+ i2cFlags.VEML6070_ok = true;
+ break;
+#endif
+#ifdef I2C_0x72
+ case 0x72:
+ pc.printf("%s\r\n", I2C_0x72);
+ break;
+#endif
+#ifdef I2C_0x74
+ case 0x74:
+ pc.printf("%s\r\n", I2C_0x74);
+ break;
+#endif
+#ifdef I2C_0x76
+ case 0x76:
+ pc.printf("%s\r\n", I2C_0x76);
+ break;
+#endif
+#ifdef I2C_0x78
+ case 0x78:
+ pc.printf("%s\r\n", I2C_0x78);
+ break;
+#endif
+#ifdef I2C_0x7A
+ case 0x7A:
+ pc.printf("%s\r\n", I2C_0x7A);
+ break;
+#endif
+#ifdef I2C_0x7C
+ case 0x7C:
+ pc.printf("%s\r\n", I2C_0x7C);
+ break;
+#endif
+#ifdef I2C_0x7E
+ case 0x7E:
+ pc.printf("%s\r\n", I2C_0x7E);
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0x80
+ case 0x80:
+ pc.printf("%s\r\n", I2C_0x80);
+ i2cFlags.HTU21D_ok = true;
+ i2cFlags.INA219_MAX7300_gg_ok = true;
+ i2cFlags.INA230_MAX7300_gg_ok = true;
+ break;
+#endif
+#ifdef I2C_0x82
+ case 0x82:
+ pc.printf("%s\r\n", I2C_0x82);
+ break;
+#endif
+#ifdef I2C_0x84
+ case 0x84:
+ pc.printf("%s\r\n", I2C_0x84);
+ break;
+#endif
+#ifdef I2C_0x86
+ case 0x86:
+ pc.printf("%s\r\n", I2C_0x86);
+ break;
+#endif
+#ifdef I2C_0x88
+ case 0x88:
+ pc.printf("%s\r\n", I2C_0x88);
+ break;
+#endif
+#ifdef I2C_0x8A
+ case 0x8A:
+ pc.printf("%s\r\n", I2C_0x8A);
+ break;
+#endif
+#ifdef I2C_0x8C
+ case 0x8C:
+ pc.printf("%s\r\n", I2C_0x8C);
+ break;
+#endif
+#ifdef I2C_0x8E
+ case 0x8E:
+ pc.printf("%s\r\n", I2C_0x8E);
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0x90
+ case 0x90:
+ pc.printf("%s\r\n", I2C_0x90);
+ break;
+#endif
+#ifdef I2C_0x92
+ case 0x92:
+ pc.printf("%s\r\n", I2C_0x92);
+ break;
+#endif
+#ifdef I2C_0x94
+ case 0x94:
+ pc.printf("%s\r\n", I2C_0x94);
+ break;
+#endif
+#ifdef I2C_0x96
+ case 0x96:
+ pc.printf("%s\r\n", I2C_0x96);
+ break;
+#endif
+#ifdef I2C_0x98
+ case 0x98:
+ pc.printf("%s\r\n", I2C_0x98);
+ break;
+#endif
+#ifdef I2C_0x9A
+ case 0x9A:
+ pc.printf("%s\r\n", I2C_0x9A);
+ break;
+#endif
+#ifdef I2C_0x9C
+ case 0x9C:
+ pc.printf("%s\r\n", I2C_0x9C);
+ break;
+#endif
+#ifdef I2C_0x9E
+ case 0x9E:
+ pc.printf("%s\r\n", I2C_0x9E);
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0xA0
+ case 0xA0:
+ pc.printf("%s\r\n", I2C_0xA0);
+ i2cFlags.eeprom000_ok = true;
+ break;
+#endif
+#ifdef I2C_0xA2
+ case 0xA2:
+ pc.printf("%s\r\n", I2C_0xA2);
+ break;
+#endif
+#ifdef I2C_0xA4
+ case 0xA4:
+ pc.printf("%s\r\n", I2C_0xA4);
+ break;
+#endif
+#ifdef I2C_0xA6
+ case 0xA6:
+ pc.printf("%s\r\n", I2C_0xA6);
+ break;
+#endif
+#ifdef I2C_0xA8
+ case 0xA8:
+ pc.printf("%s\r\n", I2C_0xA8);
+ break;
+#endif
+#ifdef I2C_0xAA
+ case 0xAA:
+ pc.printf("%s\r\n", I2C_0xAA);
+ i2cFlags.bq27210_ok = true;
+ break;
+#endif
+#ifdef I2C_0xAC
+ case 0xAC:
+ pc.printf("%s\r\n", I2C_0xAC);
+ break;
+#endif
+#ifdef I2C_0xAE
+ case 0xAE:
+ pc.printf("%s\r\n", I2C_0xAE);
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0xB0
+ case 0xB0:
+ pc.printf("%s\r\n", I2C_0xB0);
+ break;
+#endif
+#ifdef I2C_0xB2
+ case 0xB2:
+ pc.printf("%s\r\n", I2C_0xB2);
+ break;
+#endif
+#ifdef I2C_0xB4
+ case 0xB4:
+ pc.printf("%s\r\n", I2C_0xB4);
+ i2cFlags.ccs811_0_ok = true;
+ break;
+#endif
+#ifdef I2C_0xB6
+ case 0xB6:
+ pc.printf("%s\r\n", I2C_0xB6);
+ i2cFlags.ccs811_1_ok = true;
+ break;
+#endif
+#ifdef I2C_0xB8
+ case 0xB8:
+ pc.printf("%s\r\n", I2C_0xB8);
+ break;
+#endif
+#ifdef I2C_0xBA
+ case 0xBA:
+ pc.printf("%s\r\n", I2C_0xBA);
+ break;
+#endif
+#ifdef I2C_0xBC
+ case 0xBC:
+ pc.printf("%s\r\n", I2C_0xBC);
+ break;
+#endif
+#ifdef I2C_0xBE
+ case 0xBE:
+ pc.printf("%s\r\n", I2C_0xBE);
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0xC0
+ case 0xC0:
+ pc.printf("%s\r\n", I2C_0xC0);
+ i2cFlags.mlx90620_ok = true;
+ //i2cFlags.PCA9955_GGG_ok = true;
+ break;
+#endif
+#ifdef I2C_0xC2
+ case 0xC2:
+ pc.printf("%s\r\n", I2C_0xC2);
+ i2cFlags.SCD30_ok = true;
+ break;
+#endif
+#ifdef I2C_0xC4
+ case 0xC4:
+ pc.printf("%s\r\n", I2C_0xC4);
+ break;
+#endif
+#ifdef I2C_0xC6
+ case 0xC6:
+ pc.printf("%s\r\n", I2C_0xC6);
+ break;
+#endif
+#ifdef I2C_0xC8
+ case 0xC8:
+ pc.printf("%s\r\n", I2C_0xC8);
+ break;
+#endif
+#ifdef I2C_0xCA
+ case 0xCA:
+ pc.printf("%s\r\n", I2C_0xCA);
+ break;
+#endif
+#ifdef I2C_0xCC
+ case 0xCC:
+ pc.printf("%s\r\n", I2C_0xCC);
+ break;
+#endif
+#ifdef I2C_0xCE
+ case 0xCE:
+ pc.printf("%s\r\n", I2C_0xCE);
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0xD0
+ case 0xD0:
+ pc.printf("%s\r\n", I2C_0xD0);
+ i2cFlags.rtcDS_ok = true;
+ break;
+#endif
+#ifdef I2C_0xD2
+ case 0xD2:
+ pc.printf("%s\r\n", I2C_0xD2);
+ break;
+#endif
+#ifdef I2C_0xD4
+ case 0xD4:
+ pc.printf("%s\r\n", I2C_0xD4);
+ break;
+#endif
+#ifdef I2C_0xD6
+ case 0xD6:
+ pc.printf("%s\r\n", I2C_0xD6);
+ break;
+#endif
+#ifdef I2C_0xD8
+ case 0xD8:
+ pc.printf("%s\r\n", I2C_0xD8);
+ break;
+#endif
+#ifdef I2C_0xDA
+ case 0xDA:
+ pc.printf("%s\r\n", I2C_0xDA);
+ break;
+#endif
+#ifdef I2C_0xDC
+ case 0xDC:
+ pc.printf("%s\r\n", I2C_0xDC);
+ break;
+#endif
+#ifdef I2C_0xDE
+ case 0xDE:
+ pc.printf("%s\r\n", I2C_0xDE);
+ i2cFlags.mcp7941x_ok = true;
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0xE0
+ case 0xE0:
+ pc.printf("%s\r\n", I2C_0xE0);
+ break;
+#endif
+#ifdef I2C_0xE2
+ case 0xE2:
+ pc.printf("%s\r\n", I2C_0xE2);
+ break;
+#endif
+#ifdef I2C_0xE4
+ case 0xE4:
+ pc.printf("%s\r\n", I2C_0xE4);
+ break;
+#endif
+#ifdef I2C_0xE6
+ case 0xE6:
+ pc.printf("%s\r\n", I2C_0xE6);
+ break;
+#endif
+#ifdef I2C_0xE8
+ case 0xE8:
+ pc.printf("%s\r\n", I2C_0xE8);
+ break;
+#endif
+#ifdef I2C_0xEA
+ case 0xEA:
+ pc.printf("%s\r\n", I2C_0xEA);
+ break;
+#endif
+#ifdef I2C_0xEC
+ case 0xEC:
+ pc.printf("%s\r\n", I2C_0xEC);
+ i2cFlags.bme280_cs0_ok = true;
+ break;
+#endif
+#ifdef I2C_0xEE
+ case 0xEE:
+ pc.printf("%s\r\n", I2C_0xEE);
+ i2cFlags.ms5611_ok = true;
+ i2cFlags.bme280_cs1_ok = true;
+ break;
+#endif
+//----------------------------------------
+#ifdef I2C_0xF0
+ case 0xF0:
+ pc.printf("%s\r\n", I2C_0xF0);
+ break;
+#endif
+#ifdef I2C_0xF2
+ case 0xF2:
+ pc.printf("%s\r\n", I2C_0xF2);
+ break;
+#endif
+#ifdef I2C_0xF4
+ case 0xF4:
+ pc.printf("%s\r\n", I2C_0xF4);
+ break;
+#endif
+#ifdef I2C_0xF6
+ case 0xF6:
+ pc.printf("%s\r\n", I2C_0xF6);
+ break;
+#endif
+#ifdef I2C_0xF8
+ case 0xF8:
+ pc.printf("%s\r\n", I2C_0xF8);
+ break;
+#endif
+#ifdef I2C_0xFA
+ case 0xFA:
+ pc.printf("%s\r\n", I2C_0xFA);
+ break;
+#endif
+#ifdef I2C_0xFC
+ case 0xFC:
+ pc.printf("%s\r\n", I2C_0xFC);
+ break;
+#endif
+#ifdef I2C_0xFE
+ case 0xFE:
+ pc.printf("%s\r\n", I2C_0xFE);
+ break;
+#endif
+//----------------------------------------
+ default:
+ pc.printf("%sunknown%s\r\n", DOMAGENTA, DONONE);
+ break;
+ }
+ return(0);
+}
+
+//------------------------------------------------------------------------------
+// Clear I2C device flags
+
+void i2c_discovery::clearFlags(i2cDeviceFlags& i2cFlags) {
+ i2cFlags.rtcDS_ok = false;
+ i2cFlags.ms5611_ok = false;
+ i2cFlags.bme280_cs0_ok = false;
+ i2cFlags.bme280_cs1_ok = false;
+ i2cFlags.mma8451cs1_ok = false;
+ i2cFlags.HTU21D_ok = false;
+ i2cFlags.PCA9955_GGG_ok = false;
+ i2cFlags.VEML60xx_ok = false;
+ i2cFlags.VEML6070_ok = false;
+ i2cFlags.eeprom000_ok = false;
+ i2cFlags.INA219_MAX7300_gg_ok = false;
+ i2cFlags.INA230_MAX7300_gg_ok = false;
+ i2cFlags.bq27210_ok = false;
+ i2cFlags.SCD30_ok = false;
+ i2cFlags.ccs811_0_ok = false;
+ i2cFlags.ccs811_1_ok = false;
+ i2cFlags.mcp7941x_ok = false;
+}
+
+//------------------------------------------------------------------------------
+// Detect I2C device chain. If i2c chain > 1, return illegal number 255. Else,
+// return the total number of i2c devices detected
+
+int i2c_discovery::dispI2C(i2cDeviceFlags& i2cFlags) {
+ //i2c_discovery::clearFlags(i2cFlags);
+ int count = 0;
+ for (int address = 2; address < 256; address +=2) {
+ char xBuf[2] = { 0, 0 };
+ int x2c = _i2c.write(address, xBuf, 1, false);
+ if(x2c == 0) {
+ pc.printf(" - i2c device found at address 0x%02X %s", address, DOBLUE);
+ showI2C(i2cFlags, address);
+ pc.printf("%s", DONONE);
+ count++;
+ }
+ }
+ return(count);
+}
+
+//------------------------------------------------------------------------------
+// Detect I2C device chain
+
+int i2c_discovery::find_i2c(i2cDeviceFlags& i2cFlags) {
+ pc.printf("Searching for devices on i2c bus...\n");
+ int count = dispI2C(i2cFlags);
+ pc.printf(" - %s%2d%s device(s) found on i2c bus\n", DOBLUE, count, DONONE);
+ return(count);
+}
+