X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Flpc%2Fao_usb_lpc.c;h=340413fa4f7309f3b1b987238f6b0da2c9f59e17;hb=530894f508874f4cb3db644ca9ca679ed704f964;hp=4e6b9c664b7e2d6e1d207fbd58d89e539f88cba0;hpb=9081d881bc48bf7fdce617d300ac02c1a5962239;p=fw%2Faltos

diff --git a/src/lpc/ao_usb_lpc.c b/src/lpc/ao_usb_lpc.c
index 4e6b9c66..340413fa 100644
--- a/src/lpc/ao_usb_lpc.c
+++ b/src/lpc/ao_usb_lpc.c
@@ -19,6 +19,16 @@
 #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
@@ -48,6 +58,7 @@ static uint8_t 	ao_usb_ep0_state;
 /* 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];
@@ -98,9 +109,8 @@ static uint8_t	ao_usb_in_pending;
  * 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
@@ -235,11 +245,13 @@ ao_usb_epn_in(uint8_t n)
 	return &lpc_usb_endpoint.epn[n-1].in[0];
 }
 
+#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)
@@ -306,6 +318,13 @@ ao_usb_disable_epn(uint8_t n)
 	ao_usb_disable_ep(&lpc_usb_endpoint.epn[n-1].in[1]);
 }
 
+static void
+ao_usb_reset(void)
+{
+	ao_usb_set_address(0);
+	ao_usb_configuration = 0;
+}
+
 static void
 ao_usb_set_ep0(void)
 {
@@ -316,11 +335,8 @@ ao_usb_set_ep0(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;
@@ -336,7 +352,7 @@ ao_usb_set_ep0(void)
 	/* Clear all of the other endpoints */
 	for (e = 1; e <= 4; e++)
 		ao_usb_disable_epn(e);
-
+	ao_usb_reset();
 }
 
 static void
@@ -366,10 +382,11 @@ ao_usb_ep0_flush(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);
@@ -440,8 +457,9 @@ ao_usb_ep0_out_set(uint8_t *data, uint8_t 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;
@@ -580,7 +598,7 @@ ao_usb_ep0_handle(uint8_t receive)
 
 	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) {
@@ -616,11 +634,12 @@ ao_usb_ep0_handle(uint8_t receive)
 	}
 }
 
-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)
@@ -648,17 +667,21 @@ 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);
@@ -811,7 +834,7 @@ ao_usb_getchar(void)
 
 	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;
 }
@@ -821,6 +844,9 @@ ao_usb_disable(void)
 {
 	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;
 
@@ -924,6 +950,10 @@ ao_usb_enable(void)
 		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
@@ -959,6 +989,10 @@ __code struct ao_cmds ao_usb_cmds[] = {
 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");
@@ -968,7 +1002,7 @@ ao_usb_init(void)
 #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
 }