void lpc_sdmmc_on_isr(int vector, void* param)
{
CORE* core = (CORE*)param;
if (LPC_SDMMC->IDSTS & SDMMC_IDSTS_NIS_Msk)
{
switch (core->sdmmc.state)
{
case SDMMC_STATE_READ:
case SDMMC_STATE_WRITE:
if (core->sdmmc.state == SDMMC_STATE_READ)
core->sdmmc.io->data_size = core->sdmmc.total;
iio_complete(core->sdmmc.process, HAL_IO_CMD(HAL_SDMMC, core->sdmmc.state == SDMMC_STATE_READ ? IPC_READ : IPC_WRITE), core->sdmmc.user, core->sdmmc.io);
core->sdmmc.io = NULL;
core->sdmmc.process = INVALID_HANDLE;
core->sdmmc.state = SDMMC_STATE_IDLE;
break;
case SDMMC_STATE_VERIFY:
case SDMMC_STATE_WRITE_VERIFY:
//write is taking some also as hash, so it's better to switch to userspace for completion
ipc_ipost_inline(process_iget_current(), HAL_CMD(HAL_SDMMC, LPC_SDMMC_VERIFY), 0, 0, 0);
break;
default:
break;
}
LPC_SDMMC->IDSTS = SDMMC_IDSTS_RI_Msk | SDMMC_IDSTS_TI_Msk | SDMMC_IDSTS_NIS_Msk;
}
if (LPC_SDMMC->IDSTS & SDMMC_IDSTS_AIS_Msk)
{
if (LPC_SDMMC->IDSTS & SDMMC_IDSTS_FBE_Msk)
{
lpc_sdmmc_error(core, ERROR_HARDWARE);
LPC_SDMMC->IDSTS = SDMMC_IDSTS_FBE_Msk;
}
if (LPC_SDMMC->IDSTS & SDMMC_IDSTS_CES_Msk)
{
if (LPC_SDMMC->RINTSTS & SDMMC_RINTSTS_DRTO_BDS_Msk)
{
lpc_sdmmc_error(core, ERROR_TIMEOUT);
LPC_SDMMC->RINTSTS = SDMMC_RINTSTS_DRTO_BDS_Msk;
}
if (LPC_SDMMC->RINTSTS & SDMMC_RINTSTS_DCRC_Msk)
{
lpc_sdmmc_error(core, ERROR_CRC);
LPC_SDMMC->RINTSTS = SDMMC_RINTSTS_DCRC_Msk;
}
if (LPC_SDMMC->RINTSTS & (SDMMC_RINTSTS_SBE_Msk | SDMMC_RINTSTS_EBE_Msk))
{
lpc_sdmmc_error(core, ERROR_HARDWARE);
LPC_SDMMC->RINTSTS = SDMMC_RINTSTS_SBE_Msk | SDMMC_RINTSTS_EBE_Msk;
}
LPC_SDMMC->IDSTS = SDMMC_IDSTS_CES_Msk;
}
LPC_SDMMC->IDSTS = SDMMC_IDSTS_AIS_Msk;
}
}
static inline void lpc_usb_out(CORE* core, int num)
{
EP* ep = core->usb.out[USB_EP_NUM(num)];
unsigned int cnt = ep->mps - (((*USB_EP_LISTSTS(num, 0)) & USB_EP_LISTST_NBYTES_MASK) >> USB_EP_LISTST_NBYTES_POS);
io_data_append(ep->io, ep->fifo, cnt);
if (ep->io->data_size >= ep->size || cnt < ep->mps)
{
ep->io_active = false;
iio_complete(core->usb.device, HAL_IO_CMD(HAL_USB, IPC_READ), num, ep->io);
ep->io = NULL;
}
else
lpc_usb_rx_prepare(core, num);
}
void usb_on_isr(int vector, void* param)
{
int i;
EXO* exo = param;
unsigned int sta = OTG_FS_GENERAL->INTSTS;
//first two most often called
if ((OTG_FS_GENERAL->INTMSK & OTG_FS_GENERAL_INTMSK_RXFLVLM) && (sta & OTG_FS_GENERAL_INTSTS_RXFLVL))
{
//mask interrupts, will be umasked by process after FIFO read
OTG_FS_GENERAL->INTMSK &= ~OTG_FS_GENERAL_INTMSK_RXFLVLM;
stm32_otg_on_isr_rx(exo);
return;
}
for (i = 0; i < USB_EP_COUNT_MAX; ++i)
if (exo->usb.in[i] != NULL && exo->usb.in[i]->io_active && (OTG_FS_DEVICE->INEP[i].INT & OTG_FS_DEVICE_ENDPOINT_INT_XFRC))
{
OTG_FS_DEVICE->INEP[i].INT = OTG_FS_DEVICE_ENDPOINT_INT_XFRC;
if (exo->usb.in[i]->size >= exo->usb.in[i]->io->data_size)
{
exo->usb.in[i]->io_active = false;
iio_complete(exo->usb.device, HAL_IO_CMD(HAL_USB, IPC_WRITE), USB_EP_IN | i, exo->usb.in[i]->io);
exo->usb.in[i]->io = NULL;
}
else
stm32_otg_tx(exo, USB_EP_IN | i);
return;
}
//rarely called
if (sta & OTG_FS_GENERAL_INTSTS_ENUMDNE)
{
usb_enumdne(exo);
OTG_FS_GENERAL->INTSTS |= OTG_FS_GENERAL_INTSTS_ENUMDNE;
return;
}
if ((sta & OTG_FS_GENERAL_INTSTS_USBSUSP) && (OTG_FS_GENERAL->INTMSK & OTG_FS_GENERAL_INTMSK_USBSUSPM))
{
usb_suspend(exo);
OTG_FS_GENERAL->INTSTS |= OTG_FS_GENERAL_INTSTS_USBSUSP;
return;
}
if (sta & OTG_FS_GENERAL_INTSTS_WKUPINT)
{
usb_wakeup(exo);
OTG_FS_GENERAL->INTSTS |= OTG_FS_GENERAL_INTSTS_WKUPINT | OTG_FS_GENERAL_INTSTS_USBSUSP;
}
OTG_FS_GENERAL->OTGINT = 0xFFFFFF;// clear other request
}
static inline void lpc_usb_in(CORE* core, int num)
{
EP* ep = core->usb.in[USB_EP_NUM(num)];
//handle STATUS in for set address
if (core->usb.addr && ep->size == 0)
{
LPC_USB->DEVCMDSTAT |= core->usb.addr;
core->usb.addr = 0;
}
if (ep->size >= ep->io->data_size)
{
ep->io_active = false;
iio_complete(core->usb.device, HAL_IO_CMD(HAL_USB, IPC_WRITE), USB_EP_IN | num, ep->io);
ep->io = NULL;
}
else
lpc_usb_tx(core, num);
}
//------------------------------------------------------------------------
static inline void stm32_otg_on_isr_rx(EXO* exo)
{
IPC ipc;
unsigned int sta = OTG_FS_GENERAL->RXSTSP;
unsigned int pktsts = sta & OTG_FS_GENERAL_RXSTSR_PKTSTS;
int bcnt = (sta & OTG_FS_GENERAL_RXSTSR_BCNT) >> OTG_FS_GENERAL_RXSTSR_BCNT_POS;
unsigned int ep_num = (sta & OTG_FS_GENERAL_RXSTSR_EPNUM) >> OTG_FS_GENERAL_RXSTSR_EPNUM_POS;
EP* ep = exo->usb.out[ep_num];
if (pktsts == OTG_FS_GENERAL_RXSTSR_PKTSTS_SETUP_RX)
{
//ignore all data on setup packet
exo->usb.setup_lo = ((uint32_t*)(OTG_FS_FIFO_BASE + ep_num * 0x1000))[0];
exo->usb.setup_hi = ((uint32_t*)(OTG_FS_FIFO_BASE + ep_num * 0x1000))[1];
}
else if ((pktsts == OTG_FS_GENERAL_RXSTSR_PKTSTS_SETUP_DONE))
{
ipc.process = exo->usb.device;
ipc.cmd = HAL_CMD(HAL_USB, USB_SETUP);
ipc.param1 = USB_HANDLE(USB_0, 0);
ipc.param2 = exo->usb.setup_lo;
ipc.param3 = exo->usb.setup_hi;
ipc_ipost(&ipc);
}
else if ((pktsts == OTG_FS_GENERAL_RXSTSR_PKTSTS_OUT_RX) && bcnt)
{
memcpy4(io_data(ep->io) + ep->io->data_size, (void*)(OTG_FS_FIFO_BASE + ep_num * 0x1000), bcnt);
ep->io->data_size += bcnt;
if (ep->io->data_size >= ep->size || bcnt < ep->mps )
{
iio_complete(exo->usb.device, HAL_IO_CMD(HAL_USB, IPC_READ), ep_num, ep->io);
ep->io_active = false;
ep->io = NULL;
}
else
stm32_otg_rx_prepare(exo, ep_num);
}
OTG_FS_GENERAL->INTMSK |= OTG_FS_GENERAL_INTMSK_RXFLVLM;
}
void lpc_eth_isr(int vector, void* param)
{
#if (ETH_DOUBLE_BUFFERING)
int i;
#endif //ETH_DOUBLE_BUFFERING
uint32_t sta;
EXO* exo = (EXO*)param;
sta = LPC_ETHERNET->DMA_STAT;
if (sta & ETHERNET_DMA_STAT_RI_Msk)
{
#if (ETH_DOUBLE_BUFFERING)
for (i = 0; i < 2; ++i)
{
if ((exo->eth.rx[exo->eth.cur_rx] != NULL) && ((exo->eth.rx_des[exo->eth.cur_rx].ctl & ETH_RDES0_OWN) == 0))
{
exo->eth.rx[exo->eth.cur_rx]->data_size = (exo->eth.rx_des[exo->eth.cur_rx].ctl & ETH_RDES0_FL_MASK) >> ETH_RDES0_FL_POS;
iio_complete(exo->eth.tcpip, HAL_IO_CMD(HAL_ETH, IPC_READ), exo->eth.phy_addr, exo->eth.rx[exo->eth.cur_rx]);
exo->eth.rx[exo->eth.cur_rx] = NULL;
exo->eth.cur_rx = (exo->eth.cur_rx + 1) & 1;
}
else
break;
}
