X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Flpc%2Fao_usb_lpc.c;h=78fbac3985ea848e3a519c2c977562c193ab3774;hb=0671b3c8c24c9f33be77a10315c4669f33c516d7;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..78fbac39 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 @@ -224,46 +234,48 @@ ao_usb_ep0_in(void) } 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; } @@ -286,24 +298,31 @@ ao_usb_enable_epn(uint8_t n, uint16_t out_bytes, uint8_t **out_addr, uint16_t in { 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 @@ -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); @@ -694,7 +717,7 @@ _ao_usb_in_send(void) 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"); } @@ -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; @@ -849,7 +875,7 @@ ao_usb_enable(void) 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) | @@ -871,7 +897,7 @@ ao_usb_enable(void) /* 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); @@ -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 } @@ -1010,7 +1044,7 @@ static void _dbg(int line, char *msg, uint32_t value) 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; @@ -1019,7 +1053,7 @@ static void _dbg(int line, char *msg, uint32_t value) 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;