adding uartRxActive to expose the RX state machine status as a boolean value (espressif#2457)

atanisoft · me-no-dev · commit f3c1a91f8e50 · 2019-03-03T15:47:24.000+01:00
diff --git a/cores/esp32/esp32-hal-uart.c b/cores/esp32/esp32-hal-uart.c
@@ -558,3 +558,10 @@ uartDetectBaudrate(uart_t *uart)
 
     return default_rates[i];
 }
+
+/*
+ * Returns the status of the RX state machine, if the value is non-zero the state machine is active.
+ */
+bool uartRxActive(uart_t* uart) {
+    return uart->dev->status.st_urx_out != 0;
+}
diff --git a/cores/esp32/esp32-hal-uart.h b/cores/esp32/esp32-hal-uart.h
@@ -74,6 +74,8 @@ int uartGetDebug();
 
 unsigned long uartDetectBaudrate(uart_t *uart);
 
+bool uartRxActive(uart_t* uart);
+
 #ifdef __cplusplus
 }
 #endif

Original file line number	Diff line number	Diff line change
`@@ -74,6 +74,8 @@ int uartGetDebug();`
`74`	`74`
`75`	`75`	`unsigned long uartDetectBaudrate(uart_t *uart);`
`76`	`76`
	`77`	`+bool uartRxActive(uart_t* uart);`
	`78`	`+`
`77`	`79`	`#ifdef __cplusplus`
`78`	`80`	`}`
`79`	`81`	`#endif`