usbuart: Begun refactoring the physical UART code to seperate out the mixed interests

src/platforms/96b_carbon/platform.c

@@ -69,7 +69,7 @@ void platform_init(void)
 
 	platform_timing_init();
 	blackmagic_usb_init();
-	usbuart_init();
+	aux_serial_init();
 }
 
 void platform_nrst_set_val(bool assert)

src/platforms/blackpillv2/platform.c

@@ -108,7 +108,7 @@ void platform_init(void)
 
 	platform_timing_init();
 	blackmagic_usb_init();
-	usbuart_init();
+	aux_serial_init();
 
 	// https://github.com/libopencm3/libopencm3/pull/1256#issuecomment-779424001
 	OTG_FS_GCCFG |= OTG_GCCFG_NOVBUSSENS | OTG_GCCFG_PWRDWN;

src/platforms/common/usbuart.h

@@ -23,7 +23,7 @@
 #include <libopencm3/usb/usbd.h>
 #include <libopencm3/usb/cdc.h>
 
-void usbuart_init(void);
+void aux_serial_init(void);
 
 void usbuart_set_line_coding(struct usb_cdc_line_coding *coding);
 void usbuart_usb_out_cb(usbd_device *dev, uint8_t ep);

src/platforms/f072/platform.c

@@ -85,7 +85,7 @@ void platform_init(void)
 							GPIO_OSPEED_2MHZ, NRST_PIN);
 	platform_timing_init();
 	blackmagic_usb_init();
-	usbuart_init();
+	aux_serial_init();
 }
 
 void platform_nrst_set_val(bool assert)

src/platforms/f3/platform.c

@@ -89,7 +89,7 @@ void platform_init(void)
 	gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO11 | GPIO12);
 	gpio_set_af(GPIOA, GPIO_AF14, GPIO11 | GPIO12);
 	blackmagic_usb_init();
-	usbuart_init();
+	aux_serial_init();
 }
 
 void platform_nrst_set_val(bool assert)

src/platforms/f4discovery/platform.c

@@ -107,7 +107,7 @@ void platform_init(void)
 
 	platform_timing_init();
 	blackmagic_usb_init();
-	usbuart_init();
+	aux_serial_init();
 }
 
 void platform_nrst_set_val(bool assert) { (void)assert; }

src/platforms/hydrabus/platform.c

@@ -77,7 +77,7 @@ void platform_init(void)
 
 	platform_timing_init();
 	blackmagic_usb_init();
-	usbuart_init();
+	aux_serial_init();
 }
 
 void platform_nrst_set_val(bool assert) { (void)assert; }

src/platforms/launchpad-icdi/platform.c

@@ -82,7 +82,7 @@ void platform_init(void)
 	__asm__("nop"); __asm__("nop"); __asm__("nop");
 	gpio_mode_setup(GPIOD_BASE, GPIO_MODE_ANALOG, GPIO_PUPD_NONE, GPIO4|GPIO5);
 	blackmagic_usb_init();
-	usbuart_init();
+	aux_serial_init();
 
 	usb_enable_interrupts(USB_INT_RESET | USB_INT_DISCON |
 		USB_INT_RESUME | USB_INT_SUSPEND, 0xff, 0xff);

src/platforms/native/platform.c

@@ -221,7 +221,7 @@ void platform_init(void)
 	/* On hardware version 1 and 2, UART and SWD share connector pins.
 	 * Don't enable UART if we're being debugged. */
 	if (platform_hwversion() == 0 || platform_hwversion() >= 3 || !(SCS_DEMCR & SCS_DEMCR_TRCENA))
-		usbuart_init();
+		aux_serial_init();
 
 	setup_vbus_irq();
 }

src/platforms/stlink/platform.c

@@ -89,8 +89,8 @@ void platform_init(void)
 
 	/* Don't enable UART if we're being debugged. */
 	if (!(SCS_DEMCR & SCS_DEMCR_TRCENA))
-		usbuart_init();
-        adc_init();
+		aux_serial_init();
+	adc_init();
 }
 
 void platform_nrst_set_val(bool assert)

src/platforms/stm32/usbuart.c

@@ -105,7 +105,7 @@ static void usbuart_set_led_state(uint8_t ledn, bool state)
 	}
 }
 
-void usbuart_init(void)
+void aux_serial_init(void)
 {
 	/* Enable clocks */
 	rcc_periph_clock_enable(USBUSART_CLK);

src/platforms/swlink/platform.c

@@ -110,7 +110,7 @@ void platform_init(void)
 
 	platform_timing_init();
 	blackmagic_usb_init();
-	usbuart_init();
+	aux_serial_init();
 }
 
 void platform_nrst_set_val(bool assert)

src/platforms/tm4c/usbuart.c

@@ -39,12 +39,14 @@ static uint8_t buf_rx_in;
 /* Fifo out pointer, writes assumed to be atomic, should be only incremented outside RX ISR */
 static uint8_t buf_rx_out;
 
-void usbuart_init(void)
+void aux_serial_init(void)
 {
 	UART_PIN_SETUP();
 
 	periph_clock_enable(USBUART_CLK);
-	__asm__("nop"); __asm__("nop"); __asm__("nop");
+	__asm__("nop");
+	__asm__("nop");
+	__asm__("nop");
 
 	uart_disable(USBUART);