Merge branch 'master' of https://github.com/smarq8/Arduino_STM32 into smarq8-master

rogerclarkmelbourne · rogerclarkmelbourne · commit 32d2eabb608d · 2018-08-19T16:19:57.000+10:00
diff --git a/STM32F1/cores/maple/HardwareSerial.cpp b/STM32F1/cores/maple/HardwareSerial.cpp
@@ -126,12 +126,7 @@ int HardwareSerial::peek(void)
 
 int HardwareSerial::availableForWrite(void)
 {
-/* Roger Clark. 
- * Currently there isn't an output ring buffer, chars are sent straight to the hardware. 
- * so just return 1, meaning that 1 char can be written
- * This will be slower than a ring buffer implementation, but it should at least work !
- */
-  return 1;
+    return this->usart_device->wb->size-rb_full_count(this->usart_device->wb);
 }
 
 size_t HardwareSerial::write(unsigned char ch) {

Original file line number	Diff line number	Diff line change
`@@ -126,12 +126,7 @@ int HardwareSerial::peek(void)`
`126`	`126`
`127`	`127`	`int HardwareSerial::availableForWrite(void)`
`128`	`128`	`{`
`129`		`-/* Roger Clark.`
`130`		`- * Currently there isn't an output ring buffer, chars are sent straight to the hardware.`
`131`		`- * so just return 1, meaning that 1 char can be written`
`132`		`- * This will be slower than a ring buffer implementation, but it should at least work !`
`133`		`- */`
`134`		`- return 1;`
	`129`	`+ return this->usart_device->wb->size-rb_full_count(this->usart_device->wb);`
`135`	`130`	`}`
`136`	`131`
`137`	`132`	`size_t HardwareSerial::write(unsigned char ch) {`