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This code example demonstrates the UART transmit and receive operation in PSoC 4. The application uses a serial terminal to read data and to echo back the received data. The UART resource is configured to do both transmit and receive operations.
This code example demonstrates the use of a GPIO configured as an input pin to generate interrupts on PSoC® 4. The GPIO signal interrupts the CPU and executes a user-defined Interrupt Service Routine (ISR).
This example demonstrates the operation of I2C resource for PSoC 4 in Master mode with an EzI2C slave. The I2C master is configured to send command packets to control a user LED on the slave. Both the slave and master are on the same device.
This example uses a watchdog timer in interrupt and the reset modes. In the interrupt mode, the blue user LED toggles every second. When configured in the reset mode, the blue LED blinks thrice every 4.915 seconds with an interval of 500 milliseconds due to the watchdog resets.
This example demonstrates how to create a field upgradable project for PSoC™ 4 using the DFU middleware. The device firmware update (DFU) will occur over the I2C or UART interfaces. This includes downloading an application from a host device (PC/MCU) and installing it in PSoC™ 4 device flash.