litex: mphalport: add fake mp_hal_delay_us

xobs · xobs · commit 6885ffc9afd8 · 2020-04-16T09:26:08.000+08:00
Add a mp_hal_delay_us, which is required by some of the modules,
that simply calls mp_hal_delay_ms / 1000.

Signed-off-by: Sean Cross &lt;sean@xobs.io&gt;
diff --git a/ports/litex/mphalport.c b/ports/litex/mphalport.c
@@ -60,6 +60,10 @@ void mp_hal_delay_ms(mp_uint_t delay) {
     }
 }
 
+void mp_hal_delay_us(mp_uint_t delay) {
+    mp_hal_delay_ms(delay / 1000);
+}
+
 extern void SysTick_Handler(void);
 
 __attribute__((section(".ramtext")))

Original file line number	Diff line number	Diff line change
`@@ -60,6 +60,10 @@ void mp_hal_delay_ms(mp_uint_t delay) {`
`60`	`60`	`}`
`61`	`61`	`}`
`62`	`62`
	`63`	`+void mp_hal_delay_us(mp_uint_t delay) {`
	`64`	`+ mp_hal_delay_ms(delay / 1000);`
	`65`	`+}`
	`66`	`+`
`63`	`67`	`extern void SysTick_Handler(void);`
`64`	`68`
`65`	`69`	`__attribute__((section(".ramtext")))`