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dcd lpc43 clean up

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hathach 2018-12-03 23:06:28 +07:00
parent 9fec39d893
commit 29f721ba2c
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GPG Key ID: 2FA891220FBFD581
1 changed files with 6 additions and 21 deletions
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27
src/portable/nxp/lpc43xx_lpc18xx/dcd_lpc43xx.c
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@ -45,7 +45,6 @@
//--------------------------------------------------------------------+
#include "common/tusb_common.h"
#include "tusb_hal.h"
#include "osal/osal.h"
#include "device/dcd.h"
#include "dcd_lpc43xx.h"
@ -198,11 +197,6 @@ static void qtd_init(dcd_qtd_t* p_qtd, void * data_ptr, uint16_t total_bytes)
}
}
static inline volatile uint32_t * get_endpt_ctrl_reg(uint8_t rhport, uint8_t ep_idx)
{
return &(LPC_USB[rhport]->ENDPTCTRL[0]) + ep_idx/2;
}
//--------------------------------------------------------------------+
// DCD Endpoint Port
//--------------------------------------------------------------------+
@ -212,15 +206,13 @@ void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
uint8_t const dir = edpt_dir(ep_addr);
uint8_t const ep_idx = 2*epnum + dir;
volatile uint32_t * endpt_ctrl = get_endpt_ctrl_reg(rhport, ep_idx);
if ( epnum == 0)
{
// Stall both Control IN and OUT
(*endpt_ctrl) |= ( (ENDPTCTRL_MASK_STALL << 16) || (ENDPTCTRL_MASK_STALL << 0) );
LPC_USB[rhport]->ENDPTCTRL[epnum] |= ( (ENDPTCTRL_MASK_STALL << 16) || (ENDPTCTRL_MASK_STALL << 0) );
}else
{
(*endpt_ctrl) |= ENDPTCTRL_MASK_STALL << (ep_idx & 0x01 ? 16 : 0);
LPC_USB[rhport]->ENDPTCTRL[epnum] |= ENDPTCTRL_MASK_STALL << (ep_idx & 0x01 ? 16 : 0);
}
}
@ -236,11 +228,9 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
uint8_t const dir = edpt_dir(ep_addr);
uint8_t const ep_idx = 2*epnum + dir;
volatile uint32_t * endpt_ctrl = get_endpt_ctrl_reg(rhport, ep_idx);
// data toggle also need to be reset
(*endpt_ctrl) |= ENDPTCTRL_MASK_TOGGLE_RESET << ((ep_addr & TUSB_DIR_IN_MASK) ? 16 : 0);
(*endpt_ctrl) &= ~(ENDPTCTRL_MASK_STALL << ((ep_addr & TUSB_DIR_IN_MASK) ? 16 : 0));
LPC_USB[rhport]->ENDPTCTRL[epnum] |= ENDPTCTRL_MASK_TOGGLE_RESET << ((ep_addr & TUSB_DIR_IN_MASK) ? 16 : 0);
LPC_USB[rhport]->ENDPTCTRL[epnum] &= ~(ENDPTCTRL_MASK_STALL << ((ep_addr & TUSB_DIR_IN_MASK) ? 16 : 0));
}
bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
@ -261,13 +251,8 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
p_qhd->max_package_size = p_endpoint_desc->wMaxPacketSize.size;
p_qhd->qtd_overlay.next = QTD_NEXT_INVALID;
//------------- Endpoint Control Register -------------//
volatile uint32_t * endpt_ctrl = get_endpt_ctrl_reg(rhport, ep_idx);
// endpoint must not be already enabled
TU_VERIFY( !( (*endpt_ctrl) & (ENDPTCTRL_MASK_ENABLE << (dir ? 16 : 0)) ) );
(*endpt_ctrl) |= ((p_endpoint_desc->bmAttributes.xfer << 2) | ENDPTCTRL_MASK_ENABLE | ENDPTCTRL_MASK_TOGGLE_RESET) << (dir ? 16 : 0);
// Enable EP Control
LPC_USB[rhport]->ENDPTCTRL[epnum] |= ((p_endpoint_desc->bmAttributes.xfer << 2) | ENDPTCTRL_MASK_ENABLE | ENDPTCTRL_MASK_TOGGLE_RESET) << (dir ? 16 : 0);
return true;
}