clean up

1 files changed, 5 insertions, 16 deletions

diff --git a/src/portable/nxp/lpc17xx/hal_lpc175x_6x.c b/src/portable/nxp/lpc17xx/hal_lpc175x_6x.c
index d01c9e29d..bc61178d8 100644
--- a/src/portable/nxp/lpc17xx/hal_lpc175x_6x.c
+++ b/src/portable/nxp/lpc17xx/hal_lpc175x_6x.c
@@ -44,13 +44,13 @@
 

 void tusb_hal_int_enable(uint8_t rhport)

 {

-  (void) rhport; // discard compiler's warning

+  (void) rhport;

   NVIC_EnableIRQ(USB_IRQn);

 }

 

 void tusb_hal_int_disable(uint8_t rhport)

 {

-  (void) rhport; // discard compiler's warning

+  (void) rhport;

   NVIC_DisableIRQ(USB_IRQn);

 }

 

@@ -66,7 +66,6 @@ bool tusb_hal_init(void)
 

   Chip_USB_Init();

 

-  //------------- user manual 11.13 usb device controller initialization -------------//

   /* Configure P0.29 as D+, P0.30 as D- */

   Chip_IOCON_PinMux(LPC_IOCON, 0, 29, IOCON_MODE_INACT, IOCON_FUNC1);

   Chip_IOCON_PinMux(LPC_IOCON, 0, 30, IOCON_MODE_INACT, IOCON_FUNC1);

@@ -75,27 +74,17 @@ bool tusb_hal_init(void)
   PINSEL_ConfigPin( &(PINSEL_CFG_Type) { .Portnum = 1, .Pinnum = 22, .Funcnum = 2} ); // P1.22 as USB_PWRD

   PINSEL_ConfigPin( &(PINSEL_CFG_Type) { .Portnum = 1, .Pinnum = 19, .Funcnum = 2} ); // P1.19 as USB_PPWR

 

+  // Enable host

   LPC_USB->USBClkCtrl = USBCLK_HOST;

   while ((LPC_USB->USBClkSt & USBCLK_HOST) != USBCLK_HOST);

   LPC_USB->OTGStCtrl = 0x3;

 #endif

 

 #if TUSB_OPT_DEVICE_ENABLED

-//  LPC_PINCON->PINSEL4 = bit_set_range(LPC_PINCON->PINSEL4, 18, 19, BIN8(01)); // P2_9 as USB Connect

+  // P2_9 as USB Connect

   Chip_IOCON_PinMux(LPC_IOCON, 2, 9, IOCON_MODE_INACT, IOCON_FUNC1);

 

-#if 0

-  // P1_30 as VBUS, ignore if it is already in VBUS mode

-  if ( !(!BIT_TEST_(LPC_PINCON->PINSEL3, 28) && BIT_TEST_(LPC_PINCON->PINSEL3, 29)) )

-  {

-    // some board like lpcxpresso1769 does not connect VBUS signal to pin P1_30, this allow those board to overwrite

-    // by always pulling P1_30 to high

-    PINSEL_ConfigPin( &(PINSEL_CFG_Type) {

-      .Portnum = 1, .Pinnum = 30,

-      .Funcnum = 2, .Pinmode = PINSEL_PINMODE_PULLDOWN} );

-  }

-#endif

-

+  // Enable Device

   LPC_USB->USBClkCtrl = USBCLK_DEVCIE;

   while ((LPC_USB->USBClkSt & USBCLK_DEVCIE) != USBCLK_DEVCIE);

 #endif