diff options
| author | Keith Packard <keithp@keithp.com> | 2014-05-15 09:27:34 -0600 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2014-05-15 09:27:34 -0600 |
| commit | 3225fb54ec1beaf6dc8553ab4f5b86bea6bdf1f3 (patch) | |
| tree | 0c2bc7e8469621394796ab02dfa20b35368a43ee /src/cc1111/ao_usb.c | |
| parent | 940ec6a2d5b054f68da39945a00f4d1b36d1b318 (diff) | |
altos/cc1111: Add support for CPU-driven USB pullup
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/cc1111/ao_usb.c')
| -rw-r--r-- | src/cc1111/ao_usb.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/cc1111/ao_usb.c b/src/cc1111/ao_usb.c index 2141eda8..d9d255f8 100644 --- a/src/cc1111/ao_usb.c +++ b/src/cc1111/ao_usb.c @@ -274,7 +274,7 @@ ao_usb_ep0_setup(void) ao_usb_ep0_in_len = ao_usb_setup.length; ao_usb_ep0_flush(); } else if (ao_usb_ep0_out_len) { - + /* Receiving data from the host */ ao_usb_ep0_state = AO_USB_EP0_DATA_OUT; @@ -448,6 +448,9 @@ ao_usb_enable(void) USBCIF = 0; USBOIF = 0; USBIIF = 0; +#if HAS_USB_PULLUP + ao_gpio_set(AO_USB_PULLUP_PORT, AO_USB_PULLUP_PIN, AO_USB_PULLUP, 0); +#endif } void @@ -459,6 +462,10 @@ ao_usb_disable(void) USBCIE = 0; IEN2 &= ~IEN2_USBIE; +#if HAS_USB_PULLUP + ao_gpio_set(AO_USB_PULLUP_PORT, AO_USB_PULLUP_PIN, AO_USB_PULLUP, 0); +#endif + /* Clear any pending interrupts */ USBCIF = 0; USBOIF = 0; @@ -471,6 +478,9 @@ ao_usb_disable(void) void ao_usb_init(void) { +#if HAS_USB_PULLUP + ao_enable_output(AO_USB_PULLUP_PORT, AO_USB_PULLUP_PIN, AO_USB_PULLUP, 0); +#endif ao_usb_enable(); ao_add_task(&ao_usb_task, ao_usb_ep0, "usb"); |