This code will wait till the button is pressed and then send the data. Code to store the message in the global space.įirst, place the button code after peripheral control, as shown in Figure 12, so as to trigger the transmission only when the button is pressed. For USART_SendData(), you have to give the parameter, as shown in Figure 10, and the message will be a small message which is there in the global space UART Tx Testing (Figure 11). Activate the USART peripheral: You have to enable the USART peripheral in the main function, as shown in Figure 9. Code to configure the USART_SetBaudRate().Ĩ. Implementation of USART2_Init().įigure 7. If you are not yet placed this code, then please complete this USART_SetBaudRate(), as shown in Figure 8.įigure 6. Therefore, resolve all the TODOs and complete the USART_Init() API, and at the end, there must be USART_SetBaudRate() function, where the baud rate is configured. Otherwise, the application will not work properly. Remember that in the USART_Init, everything should be completed, as shown in Figure 7. The parity will be disabled since you are not going to use any parity here.The word length will be 8 bits of user data.Initialize the USART_Mode to USART_MODE_ONLY_TX since you are Txing the data, not RXing.Hardware control is not required for this application. For this application, let’s use the baud rate of 115200bps.
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