*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
return ao_usb_ep_count(ao_usb_epn_in(n, 0));
}
-static uint8_t *
-ao_usb_enable_ep(vuint32_t *ep, uint16_t nbytes, uint16_t set_nbytes)
+static void
+ao_usb_enable_ep(vuint32_t *ep, uint8_t *addr, uint16_t set_nbytes)
{
- uint8_t *addr = ao_usb_alloc_sram(nbytes);
-
ao_usb_set_ep(ep, addr, set_nbytes);
- return addr;
}
static void
static void
ao_usb_enable_epn(uint8_t n,
- uint16_t out_bytes, uint8_t *out_addrs[2],
- uint16_t in_bytes, uint8_t *in_addrs[2])
+ uint16_t out_bytes, uint8_t *out_addr,
+ uint8_t *in_addr)
{
- uint8_t *addr;
-
- addr = ao_usb_enable_ep(ao_usb_epn_out(n, 0), out_bytes * 2, out_bytes);
- if (out_addrs) {
- out_addrs[0] = addr;
- out_addrs[1] = addr + out_bytes;
- }
+ ao_usb_enable_ep(ao_usb_epn_out(n, 0), out_addr, out_bytes);
ao_usb_disable_ep(ao_usb_epn_out(n, 1));
- addr = ao_usb_enable_ep(ao_usb_epn_in(n, 0), in_bytes * 2, 0);
- if (in_addrs) {
- in_addrs[0] = addr;
- in_addrs[1] = addr + in_bytes;
- }
+ ao_usb_enable_ep(ao_usb_epn_in(n, 0), in_addr, 0);
ao_usb_disable_ep(ao_usb_epn_in(n, 1));
}
{
ao_usb_set_address(0);
ao_usb_configuration = 0;
+
+ ao_usb_ep0_state = AO_USB_EP0_IDLE;
+ ao_usb_ep0_in_data = NULL;
+ ao_usb_ep0_in_len = 0;
+ ao_usb_ep0_in_max = 0;
+
+ ao_usb_ep0_out_data = NULL;
+ ao_usb_ep0_out_len = 0;
}
static void
lpc_usb.intstat = 0xc00003ff;
- ao_usb_sram = lpc_usb_sram;
-
lpc_usb.epliststart = (uint32_t) (intptr_t) &lpc_usb_endpoint;
lpc_usb.databufstart = ((uint32_t) (intptr_t) ao_usb_sram) & 0xffc00000;
/* Set up EP 0 - a Control end point with 32 bytes of in and out buffers */
- ao_usb_ep0_rx_buffer = ao_usb_enable_ep(ao_usb_ep0_out(), AO_USB_CONTROL_SIZE, AO_USB_CONTROL_SIZE);
- ao_usb_ep0_setup_buffer = ao_usb_alloc_sram(AO_USB_CONTROL_SIZE);
+ ao_usb_enable_ep(ao_usb_ep0_out(), ao_usb_ep0_rx_buffer, AO_USB_CONTROL_SIZE);
lpc_usb_endpoint.setup = ao_usb_sram_offset(ao_usb_ep0_setup_buffer);
- ao_usb_ep0_tx_buffer = ao_usb_enable_ep(ao_usb_ep0_in(), AO_USB_CONTROL_SIZE, 0);
+ ao_usb_enable_ep(ao_usb_ep0_in(), ao_usb_ep0_tx_buffer, 0);
/* Clear all of the other endpoints */
for (e = 1; e <= 4; e++)
debug ("ao_usb_set_configuration\n");
/* Set up the INT end point */
- ao_usb_enable_epn(AO_USB_INT_EP, 0, NULL, 0, NULL);
+ ao_usb_enable_epn(AO_USB_INT_EP, 0, NULL, NULL);
/* Set up the OUT end point */
- ao_usb_enable_epn(AO_USB_OUT_EP, AO_USB_OUT_SIZE, ao_usb_out_rx_buffer, 0, NULL);
+ ao_usb_enable_epn(AO_USB_OUT_EP, AO_USB_OUT_SIZE, ao_usb_out_rx_buffer[0], NULL);
/* Set the current RX pointer to the *other* buffer so that when buffer 0 gets
* data, we'll switch to it and pull bytes from there
ao_usb_out_rx_cur = 1;
/* Set up the IN end point */
- ao_usb_enable_epn(AO_USB_IN_EP, 0, NULL, AO_USB_IN_SIZE, ao_usb_in_tx_buffer);
+ ao_usb_enable_epn(AO_USB_IN_EP, 0, NULL, ao_usb_in_tx_buffer[0]);
ao_usb_in_tx_cur = 0;
+ ao_usb_in_flushed = 0;
+ ao_usb_in_pending = 0;
+ ao_wakeup(&ao_usb_in_pending);
+
+ ao_usb_out_avail = 0;
+ ao_usb_configuration = 0;
+
ao_usb_running = 1;
+ ao_wakeup(&ao_usb_running);
}
/* Send an IN data packet */
ao_usb_ep0_flush();
}
-static struct ao_usb_line_coding ao_usb_line_coding = {115200, 0, 0, 8};
+struct ao_usb_line_coding ao_usb_line_coding = {115200, 0, 0, 8};
/* Walk through the list of descriptors and find a match
*/
static void
-ao_usb_get_descriptor(uint16_t value)
+ao_usb_get_descriptor(uint16_t value, uint16_t length)
{
const uint8_t *descriptor;
uint8_t type = value >> 8;
len = descriptor[2];
else
len = descriptor[0];
+ if (len > length)
+ len = length;
ao_usb_ep0_in_set(descriptor, len);
break;
}
break;
case AO_USB_REQ_GET_DESCRIPTOR:
debug ("get descriptor %d\n", ao_usb_setup.value);
- ao_usb_get_descriptor(ao_usb_setup.value);
+ ao_usb_get_descriptor(ao_usb_setup.value, ao_usb_setup.length);
break;
case AO_USB_REQ_GET_CONFIGURATION:
debug ("get configuration %d\n", ao_usb_configuration);
ao_arch_block_interrupts();
#if HAS_USB_PULLUP
- ao_gpio_set(AO_USB_PULLUP_PORT, AO_USB_PULLUP_PIN, AO_USB_PULLUP, 0);
+ ao_gpio_set(AO_USB_PULLUP_PORT, AO_USB_PULLUP_PIN, 0);
#endif
/* Disable interrupts */
lpc_usb.inten = 0;
for (t = 0; t < 1000; t++)
ao_arch_nop();
+ ao_usb_sram = lpc_usb_sram;
+
+ ao_usb_ep0_rx_buffer = ao_usb_alloc_sram(AO_USB_CONTROL_SIZE);
+ ao_usb_ep0_tx_buffer = ao_usb_alloc_sram(AO_USB_CONTROL_SIZE);
+ ao_usb_ep0_setup_buffer = ao_usb_alloc_sram(AO_USB_CONTROL_SIZE);
+
+ ao_usb_out_rx_buffer[0] = ao_usb_alloc_sram(AO_USB_OUT_SIZE);
+ ao_usb_out_rx_buffer[1] = ao_usb_alloc_sram(AO_USB_OUT_SIZE);
+ ao_usb_in_tx_buffer[0] = ao_usb_alloc_sram(AO_USB_IN_SIZE);
+ ao_usb_in_tx_buffer[1] = ao_usb_alloc_sram(AO_USB_IN_SIZE);
+
ao_usb_set_ep0();
#if HAS_USB_PULLUP
- ao_gpio_set(AO_USB_PULLUP_PORT, AO_USB_PULLUP_PIN, AO_USB_PULLUP, 1);
+ ao_gpio_set(AO_USB_PULLUP_PORT, AO_USB_PULLUP_PIN, 1);
#endif
}
control_count, out_count, in_count, int_count, reset_count);
}
-__code struct ao_cmds ao_usb_cmds[] = {
+const struct ao_cmds ao_usb_cmds[] = {
{ ao_usb_irq, "I\0Show USB interrupt counts" },
{ 0, NULL }
};
ao_usb_init(void)
{
#if HAS_USB_PULLUP
- ao_enable_output(AO_USB_PULLUP_PORT, AO_USB_PULLUP_PIN, AO_USB_PULLUP, 0);
-#endif
+ int i;
+ ao_enable_output(AO_USB_PULLUP_PORT, AO_USB_PULLUP_PIN, 0);
+ for (i = 0; i < 40000; i++)
+ ao_arch_nop();
+#endif
ao_usb_enable();
debug ("ao_usb_init\n");
projects / fw / altos / blobdiff