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rp2040 implement dcd_edpt_close_all()

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aslo rename reset_ep0_pid() and clean up. We only need to reset pid when
setup packet received
This commit is contained in:
hathach 2021-09-01 19:42:40 +07:00
parent 1398226bb5
commit d6e9fe38be
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GPG Key ID: 2FA891220FBFD581
2 changed files with 29 additions and 21 deletions
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46
src/portable/raspberrypi/rp2040/dcd_rp2040.c
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@ -124,9 +124,7 @@ static void hw_endpoint_init(uint8_t ep_addr, uint16_t wMaxPacketSize, uint8_t t
// For device, IN is a tx transfer and OUT is an rx transfer
ep->rx = (dir == TUSB_DIR_OUT);
// Response to a setup packet on EP0 starts with pid of 1
ep->next_pid = (num == 0 ? 1u : 0u);
ep->next_pid = 0u;
ep->wMaxPacketSize = wMaxPacketSize;
ep->transfer_type = transfer_type;
@ -203,7 +201,7 @@ static void hw_handle_buff_status(void)
}
}
static void reset_ep0(void)
static void reset_ep0_pid(void)
{
// If we have finished this transfer on EP0 set pid back to 1 for next
// setup transfer. Also clear a stall in case
@ -215,14 +213,18 @@ static void reset_ep0(void)
}
}
static void reset_all_endpoints(void)
static void reset_non_control_endpoints(void)
{
memset(hw_endpoints, 0, sizeof(hw_endpoints));
next_buffer_ptr = &usb_dpram->epx_data[0];
// Disable all non-control
for ( uint8_t i = 0; i < USB_MAX_ENDPOINTS-1; i++ )
{
usb_dpram->ep_ctrl[i].in = 0;
usb_dpram->ep_ctrl[i].out = 0;
}
// Init Control endpoint out & in
hw_endpoint_init(0x0, 64, TUSB_XFER_CONTROL);
hw_endpoint_init(0x80, 64, TUSB_XFER_CONTROL);
// clear non-control hw endpoints
tu_memclr(hw_endpoints[1], sizeof(hw_endpoints) - 2*sizeof(hw_endpoint_t));
next_buffer_ptr = &usb_dpram->epx_data[0];
}
static void dcd_rp2040_irq(void)
@ -234,8 +236,10 @@ static void dcd_rp2040_irq(void)
{
handled |= USB_INTS_SETUP_REQ_BITS;
uint8_t const *setup = (uint8_t const *)&usb_dpram->setup_packet;
// Clear stall bits and reset pid
reset_ep0();
// reset pid to both 1 (data and ack)
reset_ep0_pid();
// Pass setup packet to tiny usb
dcd_event_setup_received(0, setup, true);
usb_hw_clear->sie_status = USB_SIE_STATUS_SETUP_REC_BITS;
@ -275,7 +279,7 @@ static void dcd_rp2040_irq(void)
handled |= USB_INTS_BUS_RESET_BITS;
usb_hw->dev_addr_ctrl = 0;
reset_all_endpoints();
reset_non_control_endpoints();
dcd_event_bus_reset(0, TUSB_SPEED_FULL, true);
usb_hw_clear->sie_status = USB_SIE_STATUS_BUS_RESET_BITS;
@ -338,8 +342,13 @@ void dcd_init (uint8_t rhport)
irq_set_exclusive_handler(USBCTRL_IRQ, dcd_rp2040_irq);
// reset endpoints
reset_all_endpoints();
// Init control endpoints
tu_memclr(hw_endpoints[0], 2*sizeof(hw_endpoint_t));
hw_endpoint_init(0x0, 64, TUSB_XFER_CONTROL);
hw_endpoint_init(0x80, 64, TUSB_XFER_CONTROL);
// Init non-control endpoints
reset_non_control_endpoints();
// Initializes the USB peripheral for device mode and enables it.
// Don't need to enable the pull up here. Force VBUS
@ -374,7 +383,6 @@ void dcd_set_address (uint8_t rhport, uint8_t dev_addr)
// Can't set device address in hardware until status xfer has complete
// Send 0len complete response on EP0 IN
reset_ep0();
hw_endpoint_xfer(0x80, NULL, 0);
}
@ -413,8 +421,6 @@ void dcd_edpt0_status_complete(uint8_t rhport, tusb_control_request_t const * re
{
usb_hw->dev_addr_ctrl = (uint8_t) request->wValue;
}
reset_ep0();
}
bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
@ -427,7 +433,9 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
void dcd_edpt_close_all (uint8_t rhport)
{
(void) rhport;
// reset_all_endpoints(); TODO double check endpoint control
// may need to use EP Abort
reset_non_control_endpoints();
}
bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)

4
src/portable/raspberrypi/rp2040/rp2040_usb.h
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@ -21,7 +21,7 @@
#define pico_trace(...) TU_LOG(3, __VA_ARGS__)
// Hardware information per endpoint
struct hw_endpoint
typedef struct hw_endpoint
{
// Is this a valid struct
bool configured;
@ -63,7 +63,7 @@ struct hw_endpoint
// If interrupt endpoint
uint8_t interrupt_num;
#endif
};
} hw_endpoint_t;
void rp2040_usb_init(void);