Comments on: PSoC FreeRTOS Binary Semaphore (Part 2) https://iotexpert.com/psoc-freertos-binary-semaphore-part-2/ Engineering for the Internet of Things Tue, 28 Jul 2020 09:25:13 +0000 hourly 1 https://wordpress.org/?v=6.9.4 By: Alan Hawse https://iotexpert.com/psoc-freertos-binary-semaphore-part-2/#comment-74680 Tue, 28 Jul 2020 09:25:13 +0000 https://iotexpert.com/?p=3699#comment-74680 In reply to Noriaki Tanaka.

You are correct. In retrospect I am not in love with what I did here.

]]> By: Noriaki Tanaka https://iotexpert.com/psoc-freertos-binary-semaphore-part-2/#comment-73257 Wed, 22 Jul 2020 08:42:02 +0000 https://iotexpert.com/?p=3699#comment-73257 In the uart_isr_Handler, the interrupt cause bits are cleared by the statement “UART_ClearRxInterruptSource(cause);” but the “NOT EMPTY” mask bit is automatically recovered as “1” by a hardware. In addition the interrupt mask bit which was cleared by the statement “UART_SetRxInterruptMode(0);” is also recovered as “1” anywhere. So, the uart_isr_Handler is invoked twice for one character.

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