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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2012-08-20 15:14:31 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2012-08-20 15:14:31 +0000
commit69fcaa5f972cf2315bcf67847b2a75f75d83d890 (patch)
treee4b0b7752e6dccf2d5b210e46947b0f963430e45 /os/hal/platforms
parentdb9c410f10474a5998869d447565f9089c69ccff (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4593 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms')
-rw-r--r--os/hal/platforms/STM32/OTGv1/usb_lld.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/os/hal/platforms/STM32/OTGv1/usb_lld.c b/os/hal/platforms/STM32/OTGv1/usb_lld.c
index ef59199c2..0aff84c3c 100644
--- a/os/hal/platforms/STM32/OTGv1/usb_lld.c
+++ b/os/hal/platforms/STM32/OTGv1/usb_lld.c
@@ -114,6 +114,13 @@ static const stm32_otg_params_t hsparams = {
/* Driver local functions. */
/*===========================================================================*/
+/**
+ * @brief Wakes up the pump thread.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ *
+ * @notapi
+ */
static void usb_lld_wakeup_pump(USBDriver *usbp) {
if (usbp->thd_wait != NULL) {
@@ -122,7 +129,8 @@ static void usb_lld_wakeup_pump(USBDriver *usbp) {
}
}
-static void otg_core_reset(stm32_otg_t *otgp) {
+static void otg_core_reset(USBDriver *usbp) {
+ stm32_otg_t *otgp = usbp->otg;
/* Core reset and delay of at least 3 PHY cycles.*/
otgp->GRSTCTL = GRSTCTL_CSRST;
@@ -171,7 +179,8 @@ static void otg_disable_ep(USBDriver *usbp) {
otgp->DAINTMSK = DAINTMSK_OEPM(0) | DAINTMSK_IEPM(0);
}
-static void otg_rxfifo_flush(stm32_otg_t *otgp) {
+static void otg_rxfifo_flush(USBDriver *usbp) {
+ stm32_otg_t *otgp = usbp->otg;
otgp->GRSTCTL = GRSTCTL_RXFFLSH;
while ((otgp->GRSTCTL & GRSTCTL_RXFFLSH) != 0)
@@ -180,7 +189,8 @@ static void otg_rxfifo_flush(stm32_otg_t *otgp) {
halPolledDelay(12);
}
-static void otg_txfifo_flush(stm32_otg_t *otgp, uint32_t fifo) {
+static void otg_txfifo_flush(USBDriver *usbp, uint32_t fifo) {
+ stm32_otg_t *otgp = usbp->otg;
otgp->GRSTCTL = GRSTCTL_TXFNUM(fifo) | GRSTCTL_TXFFLSH;
while ((otgp->GRSTCTL & GRSTCTL_TXFFLSH) != 0)
@@ -880,7 +890,7 @@ void usb_lld_start(USBDriver *usbp) {
otgp->GCCFG = GCCFG_VBUSASEN | GCCFG_VBUSBSEN | GCCFG_PWRDWN;
/* Soft core reset.*/
- otg_core_reset(otgp);
+ otg_core_reset(usbp);
/* Interrupts on TXFIFOs half empty.*/
otgp->GAHBCFG = 0;
@@ -953,7 +963,7 @@ void usb_lld_reset(USBDriver *usbp) {
stm32_otg_t *otgp = usbp->otg;
/* Flush the Tx FIFO.*/
- otg_txfifo_flush(otgp, 0);
+ otg_txfifo_flush(usbp, 0);
/* All endpoints in NAK mode, interrupts cleared.*/
for (i = 0; i <= usbp->otgparams->num_endpoints; i++) {
@@ -972,7 +982,7 @@ void usb_lld_reset(USBDriver *usbp) {
/* Receive FIFO size initialization, the address is always zero.*/
otgp->GRXFSIZ = usbp->otgparams->rx_fifo_size;
- otg_rxfifo_flush(otgp);
+ otg_rxfifo_flush(usbp);
/* Resets the device address to zero.*/
otgp->DCFG = (otgp->DCFG & ~DCFG_DAD_MASK) | DCFG_DAD(0);
@@ -1058,7 +1068,7 @@ void usb_lld_init_endpoint(USBDriver *usbp, usbep_t ep) {
fsize *= usbp->epc[ep]->in_multiplier;
otgp->DIEPTXF[ep - 1] = DIEPTXF_INEPTXFD(fsize) |
DIEPTXF_INEPTXSA(otg_ram_alloc(usbp, fsize));
- otg_txfifo_flush(otgp, ep);
+ otg_txfifo_flush(usbp, ep);
otgp->ie[ep].DIEPCTL = ctl |
DIEPCTL_TXFNUM(ep) |
@@ -1067,7 +1077,7 @@ void usb_lld_init_endpoint(USBDriver *usbp, usbep_t ep) {
}
else {
otgp->DIEPTXF[ep - 1] = 0x02000400; /* Reset value.*/
- otg_txfifo_flush(otgp, ep);
+ otg_txfifo_flush(usbp, ep);
otgp->ie[ep].DIEPCTL &= ~DIEPCTL_USBAEP;
otgp->DAINTMSK &= ~DAINTMSK_IEPM(ep);
}