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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2012-08-19 13:11:39 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2012-08-19 13:11:39 +0000
commitb5acdfa3ac49daf31e7a397d6d8912863cf416c6 (patch)
treea12291b1a5e117a0bf5d851e092eac32def44a74 /os/hal/platforms
parent45ae30f505f5d81c50dab612ed9ecf6efd7b82e5 (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4587 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms')
-rw-r--r--os/hal/platforms/STM32/OTGv1/usb_lld.c57
-rw-r--r--os/hal/platforms/STM32/OTGv1/usb_lld.h13
2 files changed, 48 insertions, 22 deletions
diff --git a/os/hal/platforms/STM32/OTGv1/usb_lld.c b/os/hal/platforms/STM32/OTGv1/usb_lld.c
index 5c00803f9..f81bbc1fb 100644
--- a/os/hal/platforms/STM32/OTGv1/usb_lld.c
+++ b/os/hal/platforms/STM32/OTGv1/usb_lld.c
@@ -94,6 +94,22 @@ static const USBEndpointConfig ep0config = {
ep0setup_buffer
};
+#if STM32_USB_USE_OTG1
+static const stm32_otg_params_t fsparams = {
+ STM32_USB_OTG1_RX_FIFO_SIZE / 4,
+ STM32_OTG1_FIFO_MEM_SIZE,
+ STM32_OTG1_ENDOPOINTS_NUMBER
+};
+#endif
+
+#if STM32_USB_USE_OTG2
+static const stm32_otg_params_t hsparams = {
+ STM32_USB_OTG2_RX_FIFO_SIZE / 4,
+ STM32_OTG2_FIFO_MEM_SIZE,
+ STM32_OTG2_ENDOPOINTS_NUMBER
+};
+#endif
+
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
@@ -110,10 +126,11 @@ static void otg_core_reset(stm32_otg_t *otgp) {
;
}
-static void otg_disable_ep(stm32_otg_t *otgp) {
+static void otg_disable_ep(USBDriver *usbp) {
+ stm32_otg_t *otgp = usbp->otg;
unsigned i;
- for (i = 0; i <= USB_MAX_ENDPOINTS; i++) {
+ for (i = 0; i <= usbp->otgparams->num_endpoints; i++) {
/* Disable only if enabled because this sentence in the manual:
"The application must set this bit only if Endpoint Enable is
already set for this endpoint".*/
@@ -173,7 +190,7 @@ static void otg_txfifo_flush(stm32_otg_t *otgp, uint32_t fifo) {
*/
static void otg_ram_reset(USBDriver *usbp) {
- usbp->pmnext = STM32_USB_OTG1_RX_FIFO_SIZE / 4;
+ usbp->pmnext = usbp->otgparams->rx_fifo_size;
}
/**
@@ -189,14 +206,8 @@ static uint32_t otg_ram_alloc(USBDriver *usbp, size_t size) {
next = usbp->pmnext;
usbp->pmnext += size;
-#if STM32_USB_USE_OTG1
- chDbgAssert((usbp != &USBD1) || (usbp->pmnext <= STM32_OTG1_FIFO_MEM_SIZE),
- "otg_fifo_alloc(), #1", "OTG1 FIFO memory overflow");
-#endif
-#if STM32_USB_USE_OTG2
- chDbgAssert((usbp != &USBD2) || (usbp->pmnext <= STM32_OTG2_FIFO_MEM_SIZE),
- "otg_fifo_alloc(), #2", "OTG2 FIFO memory overflow");
-#endif
+ chDbgAssert(usbp->pmnext <= usbp->otgparams->otg_ram_size,
+ "otg_fifo_alloc(), #1", "OTG FIFO memory overflow");
return next;
}
@@ -675,7 +686,7 @@ static msg_t usb_lld_pump(void *p) {
chSysUnlock();
/* Checks if there are TXFIFOs to be filled.*/
- for (ep = 0; ep <= USB_MAX_ENDPOINTS; ep++) {
+ for (ep = 0; ep <= usbp->otgparams->num_endpoints; ep++) {
/* Empties the RX FIFO.*/
while (otgp->GINTSTS & GINTSTS_RXFLVL) {
@@ -763,9 +774,10 @@ void usb_lld_init(void) {
/* Driver initialization.*/
#if STM32_USB_USE_OTG1
usbObjectInit(&USBD1);
- USBD1.thd_ptr = NULL;
- USBD1.thd_wait = NULL;
- USBD1.otg = OTG_FS;
+ USBD1.thd_ptr = NULL;
+ USBD1.thd_wait = NULL;
+ USBD1.otg = OTG_FS;
+ USBD1.otgparams = &fsparams;
/* Filling the thread working area here because the function
@p chThdCreateI() does not do it.*/
@@ -784,9 +796,10 @@ void usb_lld_init(void) {
#if STM32_USB_USE_OTG2
usbObjectInit(&USBD2);
- USBD2.thd_ptr = NULL;
- USBD2.thd_wait = NULL;
- USBD2.otg = OTG_HS;
+ USBD2.thd_ptr = NULL;
+ USBD2.thd_wait = NULL;
+ USBD2.otg = OTG_HS;
+ USBD2.otgparams = &hsparams;
/* Filling the thread working area here because the function
@p chThdCreateI() does not do it.*/
@@ -873,7 +886,7 @@ void usb_lld_start(USBDriver *usbp) {
otgp->GAHBCFG = 0;
/* Endpoints re-initialization.*/
- otg_disable_ep(otgp);
+ otg_disable_ep(usbp);
/* Clear all pending Device Interrupts, only the USB Reset interrupt
is required initially.*/
@@ -943,7 +956,7 @@ void usb_lld_reset(USBDriver *usbp) {
otg_txfifo_flush(otgp, 0);
/* All endpoints in NAK mode, interrupts cleared.*/
- for (i = 0; i <= USB_MAX_ENDPOINTS; i++) {
+ for (i = 0; i <= usbp->otgparams->num_endpoints; i++) {
otgp->ie[i].DIEPCTL = DIEPCTL_SNAK;
otgp->oe[i].DOEPCTL = DOEPCTL_SNAK;
otgp->ie[i].DIEPINT = 0xFF;
@@ -958,7 +971,7 @@ void usb_lld_reset(USBDriver *usbp) {
otg_ram_reset(usbp);
/* Receive FIFO size initialization, the address is always zero.*/
- otgp->GRXFSIZ = STM32_USB_OTG1_RX_FIFO_SIZE / 4;
+ otgp->GRXFSIZ = usbp->otgparams->rx_fifo_size;
otg_rxfifo_flush(otgp);
/* Resets the device address to zero.*/
@@ -1073,7 +1086,7 @@ void usb_lld_disable_endpoints(USBDriver *usbp) {
otg_ram_reset(usbp);
/* Disabling all endpoints.*/
- otg_disable_ep(usbp->otg);
+ otg_disable_ep(usbp);
}
/**
diff --git a/os/hal/platforms/STM32/OTGv1/usb_lld.h b/os/hal/platforms/STM32/OTGv1/usb_lld.h
index 8fd47f28f..f2c0633df 100644
--- a/os/hal/platforms/STM32/OTGv1/usb_lld.h
+++ b/os/hal/platforms/STM32/OTGv1/usb_lld.h
@@ -187,6 +187,15 @@
/*===========================================================================*/
/**
+ * @brief Peripheral-specific parameters block.
+ */
+typedef struct {
+ uint32_t rx_fifo_size;
+ uint32_t otg_ram_size;
+ uint32_t num_endpoints;
+} stm32_otg_params_t;
+
+/**
* @brief Type of an IN endpoint state structure.
*/
typedef struct {
@@ -416,6 +425,10 @@ struct USBDriver {
*/
stm32_otg_t *otg;
/**
+ * @brief Peripheral-specific parameters.
+ */
+ const stm32_otg_params_t *otgparams;
+ /**
* @brief Pointer to the next address in the packet memory.
*/
uint32_t pmnext;