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added dcd disconnect/connect to lpc17/40

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hathach 2020-04-16 15:52:45 +07:00
parent aa5ab50e86
commit 969121df4f
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GPG Key ID: 2FA891220FBFD581
2 changed files with 14 additions and 6 deletions
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6
src/device/dcd.h
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@ -106,10 +106,10 @@ void dcd_set_config (uint8_t rhport, uint8_t config_num);
// Wake up host
void dcd_remote_wakeup(uint8_t rhport);
// Connect or disconnect D+/D- line pull-up resistor.
// Defined in dcd source if MCU has internal pull-up.
// Otherwise, may be defined in BSP.
// Connect by enabling internal pull-up resistor on D+/D-
void dcd_connect(uint8_t rhport) TU_ATTR_WEAK;
// Disconnect by disabling internal pull-up resistor on D+/D-
void dcd_disconnect(uint8_t rhport) TU_ATTR_WEAK;
//--------------------------------------------------------------------+

14
src/portable/nxp/lpc17_40/dcd_lpc17_40.c
View File

@ -181,9 +181,7 @@ void dcd_init(uint8_t rhport)
LPC_USB->UDCAH = (uint32_t) _dcd.udca;
LPC_USB->DMAIntEn = (DMA_INT_END_OF_XFER_MASK /*| DMA_INT_NEW_DD_REQUEST_MASK*/ | DMA_INT_ERROR_MASK);
sie_write(SIE_CMDCODE_DEVICE_STATUS, 1, 1); // connect
// USB IRQ priority should be set by application previously
// Clear pending IRQ
NVIC_ClearPendingIRQ(USB_IRQn);
}
@ -219,6 +217,16 @@ void dcd_remote_wakeup(uint8_t rhport)
(void) rhport;
}
void dcd_connect(uint8_t rhport)
{
sie_write(SIE_CMDCODE_DEVICE_STATUS, 1, SIE_DEV_STATUS_CONNECT_STATUS_MASK);
}
void dcd_disconnect(uint8_t rhport)
{
sie_write(SIE_CMDCODE_DEVICE_STATUS, 1, 0);
}
//--------------------------------------------------------------------+
// CONTROL HELPER
//--------------------------------------------------------------------+