static __xdata uint16_t ao_usb_in_bytes;
static __xdata uint16_t ao_usb_out_bytes;
-static __data uint8_t ao_usb_iif;
-static __data uint8_t ao_usb_oif;
+static __xdata uint8_t ao_usb_iif;
+static __xdata uint8_t ao_usb_oif;
/* This interrupt is shared with port 2,
* so when we hook that up, fix this
uint16_t length;
} __xdata ao_usb_setup;
-__data uint8_t ao_usb_ep0_state;
-uint8_t * __data ao_usb_ep0_in_data;
-__data uint8_t ao_usb_ep0_in_len;
+__xdata uint8_t ao_usb_ep0_state;
+uint8_t * __xdata ao_usb_ep0_in_data;
+__xdata uint8_t ao_usb_ep0_in_len;
__xdata uint8_t ao_usb_ep0_in_buf[2];
-__data uint8_t ao_usb_ep0_out_len;
+__xdata uint8_t ao_usb_ep0_out_len;
__xdata uint8_t *__data ao_usb_ep0_out_data;
-__data uint8_t ao_usb_configuration;
+__xdata uint8_t ao_usb_configuration;
/* Send an IN data packet */
static void
ao_usb_ep0_flush(void)
{
- uint8_t this_len;
- uint8_t cs0;
+ __xdata uint8_t this_len;
+ __xdata uint8_t cs0;
USBINDEX = 0;
cs0 = USBCS0;
uint8_t data_bits;
} ;
-static struct ao_usb_line_coding ao_usb_line_coding = {115200, 0, 0, 8};
+__xdata static struct ao_usb_line_coding ao_usb_line_coding = {115200, 0, 0, 8};
/* USB descriptors in one giant block of bytes */
static const uint8_t ao_usb_descriptors [] =
static void
ao_usb_get_descriptor(uint16_t value)
{
- const uint8_t *descriptor;
- uint8_t type = value >> 8;
- uint8_t index = value;
+ const uint8_t *__xdata descriptor;
+ __xdata uint8_t type = value >> 8;
+ __xdata uint8_t index = value;
descriptor = ao_usb_descriptors;
while (descriptor[0] != 0) {
static void
ao_usb_ep0_fill(void)
{
- uint8_t len;
+ __xdata uint8_t len;
USBINDEX = 0;
len = USBCNT0;
static void
ao_usb_ep0(void)
{
- uint8_t cs0;
+ __xdata uint8_t cs0;
ao_usb_ep0_state = AO_USB_EP0_IDLE;
for (;;) {
uint8_t
ao_usb_getchar(void) __critical
{
- uint8_t c;
+ __xdata uint8_t c;
while (ao_usb_out_bytes == 0) {
for (;;) {
USBINDEX = AO_USB_OUT_EP;