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fixed lpc11u/13u VBUS (P0_3) with pulldown resistor for USB_VBUS_DEBOUNCED is correct

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added disconnect callback for lpc11u/13u
This commit is contained in:
hathach
2013-11-21 15:24:02 +07:00
parent c303154b7a
commit d1ef89a154
6 changed files with 71 additions and 122 deletions
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2
tinyusb/device/dcd_lpc175x_6x.c
View File

@@ -218,7 +218,7 @@ void dcd_isr(uint8_t coreid)
}
if ( (dev_status_reg & SIE_DEV_STATUS_CONNECT_CHANGE_MASK) && !(dev_status_reg & SIE_DEV_STATUS_CONNECT_STATUS_MASK))
{ // device is disconnected, require using VBUS (P1_30)
{ // TODO device is disconnected, require using VBUS (P1_30), cannot use CONNECT_STATUS as connection status
usbd_dcd_bus_event_isr(0, USBD_BUS_EVENT_UNPLUGGED);
}

80
tinyusb/device/dcd_lpc_11uxx_13uxx.c
View File

@@ -64,46 +64,16 @@ enum {
};
enum {
CMDSTAT_MASK_DEVICE_ENABLE = BIT_(7 ),
CMDSTAT_MASK_SETUP_RECEIVED = BIT_(8 ),
CMDSTAT_MASK_CMD_CONNECT = BIT_(16),
CMDSTAT_MASK_CMD_SUSPEND = BIT_(17),
CMDSTAT_MASK_CONNECT_CHANGE = BIT_(24),
CMDSTAT_MASK_SUSPEND_CHANGE = BIT_(25),
CMDSTAT_MASK_RESET_CHANGE = BIT_(26),
CMDSTAT_DEVICE_ENABLE_MASK = BIT_(7 ),
CMDSTAT_SETUP_RECEIVED_MASK = BIT_(8 ),
CMDSTAT_DEVICE_CONNECT_MASK = BIT_(16),
CMDSTAT_DEVICE_SUSPEND_MASK = BIT_(17),
CMDSTAT_CONNECT_CHANGE_MASK = BIT_(24),
CMDSTAT_SUSPEND_CHANGE_MASK = BIT_(25),
CMDSTAT_RESET_CHANGE_MASK = BIT_(26),
CMDSTAT_VBUS_DEBOUNCED_MASK = BIT_(28),
};
#if 0
typedef struct {
union {
struct {
uint32_t dev_addr : 7;
uint32_t dev_enable : 1;
uint32_t setup_received : 1;
uint32_t pll_on : 1;
uint32_t : 1;
uint32_t lpm_support : 1;
uint32_t : 4; // not use interrupt on NAK
uint32_t dev_connect : 1;
uint32_t dev_suspend : 1;
uint32_t : 1;
uint32_t lpm_suspend : 1;
uint32_t lpm_remote_wakeup : 1;
uint32_t : 3;
uint32_t dev_connect_change : 1;
uint32_t dev_suspend_change : 1;
uint32_t dev_reset_change : 1;
uint32_t : 1;
uint32_t vbus_debounced : 1;
uint32_t : 3;
}bits;
uint32_t value;
};
} reg_dev_cmd_stat_t;
STATIC_ASSERT( sizeof(reg_dev_cmd_stat_t) == 4, "size is not correct" );
#endif
// buffer input must be 64 byte alignment
typedef struct {
volatile uint16_t buff_addr_offset ; ///< The address offset is updated by hardware after each successful reception/transmission of a packet. Hardware increments the original value with the integer value when the packet size is divided by 64.
@@ -149,7 +119,7 @@ static inline uint16_t addr_offset(void const * p_buffer)
void dcd_controller_connect(uint8_t coreid)
{
(void) coreid;
LPC_USB->DEVCMDSTAT |= CMDSTAT_MASK_CMD_CONNECT;
LPC_USB->DEVCMDSTAT |= CMDSTAT_DEVICE_CONNECT_MASK;
}
void dcd_controller_set_configuration(uint8_t coreid)
@@ -172,7 +142,7 @@ tusb_error_t dcd_init(void)
LPC_USB->INTSTAT = LPC_USB->INTSTAT; // clear all pending interrupt
LPC_USB->INTEN = INT_MASK_DEVICE_STATUS;
LPC_USB->DEVCMDSTAT |= CMDSTAT_MASK_DEVICE_ENABLE | CMDSTAT_MASK_CMD_CONNECT;
LPC_USB->DEVCMDSTAT |= CMDSTAT_DEVICE_ENABLE_MASK | CMDSTAT_DEVICE_CONNECT_MASK;
return TUSB_ERROR_NONE;
}
@@ -192,7 +162,7 @@ static void bus_reset(void)
LPC_USB->EPSKIP = 0xFFFFFFFF;
LPC_USB->INTSTAT = LPC_USB->INTSTAT; // clear all pending interrupt
LPC_USB->DEVCMDSTAT |= CMDSTAT_MASK_SETUP_RECEIVED; // clear setup received interrupt
LPC_USB->DEVCMDSTAT |= CMDSTAT_SETUP_RECEIVED_MASK; // clear setup received interrupt
LPC_USB->INTEN = INT_MASK_DEVICE_STATUS | BIT_(0) | BIT_(1); // enable device status & control endpoints
}
@@ -207,31 +177,33 @@ void dcd_isr(uint8_t coreid)
if (int_status == 0) return;
uint32_t dev_cmd_stat = LPC_USB->DEVCMDSTAT;
uint32_t const dev_cmd_stat = LPC_USB->DEVCMDSTAT;
//------------- Device Status -------------//
if ( int_status & INT_MASK_DEVICE_STATUS )
{
if ( dev_cmd_stat & CMDSTAT_MASK_RESET_CHANGE)
{ // bus reset
LPC_USB->DEVCMDSTAT |= CMDSTAT_RESET_CHANGE_MASK | CMDSTAT_CONNECT_CHANGE_MASK /* CMDSTAT_SUSPEND_CHANGE_MASK */;
if ( dev_cmd_stat & CMDSTAT_RESET_CHANGE_MASK) // bus reset
{
bus_reset();
usbd_bus_reset(0);
usbd_dcd_bus_event_isr(0, USBD_BUS_EVENT_RESET);
}
// TODO not support suspend yet
if ( dev_cmd_stat & CMDSTAT_MASK_SUSPEND_CHANGE) { }
if ( dev_cmd_stat & CMDSTAT_MASK_CONNECT_CHANGE)
{ // device disconnect ?
// if ( (dev_cmd_stat & CMDSTAT_SUSPEND_CHANGE_MASK) && (dev_cmd_stat & CMDSTAT_DEVICE_SUSPEND_MASK) )
// { // find a way to distinct bus suspend vs unplug/plug
// usbd_dcd_bus_event_isr(0, USBD_BUS_EVENT_SUSPENDED);
// }
if ( (dev_cmd_stat & CMDSTAT_CONNECT_CHANGE_MASK) && !(dev_cmd_stat & CMDSTAT_VBUS_DEBOUNCED_MASK) )
{ // device disconnect
usbd_dcd_bus_event_isr(0, 0);
}
LPC_USB->DEVCMDSTAT |= CMDSTAT_MASK_RESET_CHANGE | CMDSTAT_MASK_CONNECT_CHANGE
/* CMDSTAT_MASK_SUSPEND_CHANGE | */;
}
//------------- Control Endpoint -------------//
if ( BIT_TEST_(int_status, 0) && (dev_cmd_stat & CMDSTAT_MASK_SETUP_RECEIVED) )
if ( BIT_TEST_(int_status, 0) && (dev_cmd_stat & CMDSTAT_SETUP_RECEIVED_MASK) )
{ // received control request from host
// copy setup request & acknowledge so that the next setup can be received by hw
usbd_setup_received_isr(coreid, &dcd_data.setup_request);
@@ -239,7 +211,7 @@ void dcd_isr(uint8_t coreid)
// NXP control flowchart clear Active & Stall on both Control IN/OUT endpoints
dcd_data.qhd[0][0].stall = dcd_data.qhd[1][0].stall = 0;
LPC_USB->DEVCMDSTAT |= CMDSTAT_MASK_SETUP_RECEIVED;
LPC_USB->DEVCMDSTAT |= CMDSTAT_SETUP_RECEIVED_MASK;
dcd_data.qhd[0][1].buff_addr_offset = addr_offset(&dcd_data.setup_request);
}
else if ( int_status & 0x03 )