#include "ao_usb.h"
#include "ao_product.h"
+#ifndef USE_USB_STDIO
+#define USE_USB_STDIO 1
+#endif
+
+#if USE_USB_STDIO
+#define AO_USB_OUT_SLEEP_ADDR (&ao_stdin_ready)
+#else
+#define AO_USB_OUT_SLEEP_ADDR (&ao_usb_out_avail)
+#endif
+
#define USB_DEBUG 0
#define USB_DEBUG_DATA 0
#define USB_ECHO 0
/* Pending EP0 IN data */
static const uint8_t *ao_usb_ep0_in_data; /* Remaining data */
static uint8_t ao_usb_ep0_in_len; /* Remaining amount */
+static uint16_t ao_usb_ep0_in_max; /* Requested amount from host */
/* Temp buffer for smaller EP0 in data */
static uint8_t ao_usb_ep0_in_buf[2];
* but not pulled to the shadow buffer.
*/
static uint8_t ao_usb_out_avail;
-static uint8_t ao_usb_running;
+uint8_t ao_usb_running;
static uint8_t ao_usb_configuration;
-static uint8_t ueienx_0;
#define AO_USB_EP0_GOT_RESET 1
#define AO_USB_EP0_GOT_SETUP 2
}
static inline vuint32_t *
-ao_usb_epn_out(uint8_t n)
+ao_usb_epn_out(uint8_t n, uint8_t i)
{
- return &lpc_usb_endpoint.epn[n-1].out[0];
+ return &lpc_usb_endpoint.epn[n-1].out[i];
}
static inline vuint32_t *
-ao_usb_epn_in(uint8_t n)
+ao_usb_epn_in(uint8_t n, uint8_t i)
{
- return &lpc_usb_endpoint.epn[n-1].in[0];
+ return &lpc_usb_endpoint.epn[n-1].in[i];
}
+#if UNUSED
static void
ao_usb_set_epn_in(uint8_t n, uint8_t *addr, uint16_t nbytes)
{
ao_usb_set_ep(ao_usb_epn_in(n), addr, nbytes);
}
+#endif
static void
ao_usb_set_epn_out(uint8_t n, uint8_t *addr, uint16_t nbytes)
{
- ao_usb_set_ep(ao_usb_epn_out(n), addr, nbytes);
+ ao_usb_set_ep(ao_usb_epn_out(n, 0), addr, nbytes);
}
static inline uint16_t
ao_usb_epn_out_count(uint8_t n)
{
- return ao_usb_ep_count(ao_usb_epn_out(n));
+ return ao_usb_ep_count(ao_usb_epn_out(n, 0));
}
static inline uint16_t
ao_usb_epn_in_count(uint8_t n)
{
- return ao_usb_ep_count(ao_usb_epn_in(n));
+ 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)
{
uint8_t *addr = ao_usb_alloc_sram(nbytes);
-
+
ao_usb_set_ep(ep, addr, set_nbytes);
return addr;
}
{
uint8_t *addr;
- addr = ao_usb_enable_ep(ao_usb_epn_out(n), out_bytes, out_bytes);
+ addr = ao_usb_enable_ep(ao_usb_epn_out(n, 0), out_bytes, out_bytes);
if (out_addr)
*out_addr = addr;
- ao_usb_disable_ep(&lpc_usb_endpoint.epn[n-1].out[1]);
+ ao_usb_disable_ep(ao_usb_epn_out(n, 1));
- addr = ao_usb_enable_ep(ao_usb_epn_in(n), in_bytes, 0);
+ addr = ao_usb_enable_ep(ao_usb_epn_in(n, 0), in_bytes, 0);
if (in_addr)
*in_addr = addr;
- ao_usb_disable_ep(&lpc_usb_endpoint.epn[n-1].in[1]);
+ ao_usb_disable_ep(ao_usb_epn_in(n, 1));
}
static void
ao_usb_disable_epn(uint8_t n)
{
- ao_usb_disable_ep(ao_usb_epn_out(n));
- ao_usb_disable_ep(&lpc_usb_endpoint.epn[n-1].out[1]);
- ao_usb_disable_ep(ao_usb_epn_in(n));
- ao_usb_disable_ep(&lpc_usb_endpoint.epn[n-1].in[1]);
+ ao_usb_disable_ep(ao_usb_epn_out(n, 0));
+ ao_usb_disable_ep(ao_usb_epn_out(n, 1));
+ ao_usb_disable_ep(ao_usb_epn_in(n, 0));
+ ao_usb_disable_ep(ao_usb_epn_in(n, 1));
+}
+
+static void
+ao_usb_reset(void)
+{
+ ao_usb_set_address(0);
+ ao_usb_configuration = 0;
}
static void
lpc_usb.epinuse = 0;
lpc_usb.epskip = 0xffffffff;
- ao_usb_set_address(0);
lpc_usb.intstat = 0xc00003ff;
- ao_usb_configuration = 0;
-
ao_usb_sram = lpc_usb_sram;
lpc_usb.epliststart = (uint32_t) (intptr_t) &lpc_usb_endpoint;
/* Clear all of the other endpoints */
for (e = 1; e <= 4; e++)
ao_usb_disable_epn(e);
-
+ ao_usb_reset();
}
static void
if (this_len > AO_USB_CONTROL_SIZE)
this_len = AO_USB_CONTROL_SIZE;
- if (this_len < AO_USB_CONTROL_SIZE)
- ao_usb_ep0_state = AO_USB_EP0_IDLE;
-
ao_usb_ep0_in_len -= this_len;
+ ao_usb_ep0_in_max -= this_len;
+
+ if (this_len < AO_USB_CONTROL_SIZE || ao_usb_ep0_in_max == 0)
+ ao_usb_ep0_state = AO_USB_EP0_IDLE;
debug_data ("Flush EP0 len %d:", this_len);
memcpy(ao_usb_ep0_tx_buffer, ao_usb_ep0_in_data, this_len);
}
static void
-ao_usb_ep0_in_start(uint8_t max)
+ao_usb_ep0_in_start(uint16_t max)
{
+ ao_usb_ep0_in_max = max;
/* Don't send more than asked for */
if (ao_usb_ep0_in_len > max)
ao_usb_ep0_in_len = max;
if (receive & AO_USB_EP0_GOT_RESET) {
debug ("\treset\n");
- ao_usb_set_ep0();
+ ao_usb_reset();
return;
}
if (receive & AO_USB_EP0_GOT_SETUP) {
}
}
-static uint16_t control_count;
+#if USB_DEBUG
static uint16_t int_count;
static uint16_t in_count;
static uint16_t out_count;
static uint16_t reset_count;
+#endif
void
lpc_usb_irq_isr(void)
/* Handle OUT packets */
if (intstat & (1 << LPC_USB_INT_EPOUT(AO_USB_OUT_EP))) {
+#if USB_DEBUG
++out_count;
+#endif
_rx_dbg1("RX ISR", *ao_usb_epn_out(AO_USB_OUT_EP));
ao_usb_out_avail = 1;
_rx_dbg0("out avail set");
- ao_wakeup(&ao_stdin_ready);
+ ao_wakeup(AO_USB_OUT_SLEEP_ADDR)
_rx_dbg0("stdin awoken");
}
/* Handle IN packets */
if (intstat & (1 << LPC_USB_INT_EPIN(AO_USB_IN_EP))) {
+#if USB_DEBUG
++in_count;
+#endif
_tx_dbg1("TX ISR", *ao_usb_epn_in(AO_USB_IN_EP));
ao_usb_in_pending = 0;
ao_wakeup(&ao_usb_in_pending);
if (ao_usb_tx_count != AO_USB_IN_SIZE)
ao_usb_in_flushed = 1;
memcpy(ao_usb_in_tx_buffer, ao_usb_tx_buffer, ao_usb_tx_count);
- ao_usb_set_ep(ao_usb_epn_in(AO_USB_IN_EP), ao_usb_in_tx_buffer, ao_usb_tx_count);
+ ao_usb_set_ep(ao_usb_epn_in(AO_USB_IN_EP, 0), ao_usb_in_tx_buffer, ao_usb_tx_count);
ao_usb_tx_count = 0;
_tx_dbg0("in_send end");
}
ao_arch_block_interrupts();
while ((c = _ao_usb_pollchar()) == AO_READ_AGAIN)
- ao_sleep(&ao_stdin_ready);
+ ao_sleep(AO_USB_OUT_SLEEP_ADDR);
ao_arch_release_interrupts();
return c;
}
{
ao_arch_block_interrupts();
+#if HAS_USB_PULLUP
+ ao_gpio_set(AO_USB_PULLUP_PORT, AO_USB_PULLUP_PIN, AO_USB_PULLUP, 0);
+#endif
/* Disable interrupts */
lpc_usb.inten = 0;
int t;
/* Enable USB pins */
-#if HAS_USB_CONNECT
+#if HAS_LPC_USB_CONNECT
lpc_ioconf.pio0_6 = ((LPC_IOCONF_FUNC_USB_CONNECT << LPC_IOCONF_FUNC) |
(LPC_IOCONF_MODE_INACTIVE << LPC_IOCONF_MODE) |
(0 << LPC_IOCONF_HYS) |
/* Enable USB PHY */
lpc_scb.pdruncfg &= ~(1 << LPC_SCB_PDRUNCFG_USBPAD_PD);
-
+
/* Turn on USB PLL */
lpc_scb.pdruncfg &= ~(1 << LPC_SCB_PDRUNCFG_USBPLL_PD);
ao_arch_nop();
ao_usb_set_ep0();
+
+#if HAS_USB_PULLUP
+ ao_gpio_set(AO_USB_PULLUP_PORT, AO_USB_PULLUP_PIN, AO_USB_PULLUP, 1);
+#endif
}
#if USB_ECHO
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();
debug ("ao_usb_init\n");
#if USB_DEBUG
ao_cmd_register(&ao_usb_cmds[0]);
#endif
-#if !USB_ECHO
+#if USE_USB_STDIO
ao_add_stdio(_ao_usb_pollchar, ao_usb_putchar, ao_usb_flush);
#endif
}
dbg[dbg_i].primask = primask;
#if TX_DBG
dbg[dbg_i].in_count = in_count;
- dbg[dbg_i].in_ep = *ao_usb_epn_in(AO_USB_IN_EP);
+ dbg[dbg_i].in_ep = *ao_usb_epn_in(AO_USB_IN_EP, 0);
dbg[dbg_i].in_pending = ao_usb_in_pending;
dbg[dbg_i].tx_count = ao_usb_tx_count;
dbg[dbg_i].in_flushed = ao_usb_in_flushed;
dbg[dbg_i].rx_count = ao_usb_rx_count;
dbg[dbg_i].rx_pos = ao_usb_rx_pos;
dbg[dbg_i].out_avail = ao_usb_out_avail;
- dbg[dbg_i].out_ep = *ao_usb_epn_out(AO_USB_OUT_EP);
+ dbg[dbg_i].out_ep = *ao_usb_epn_out(AO_USB_OUT_EP, 0);
#endif
if (++dbg_i == NUM_USB_DBG)
dbg_i = 0;