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Initial USB device stack for STM32.

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Patch provided by Gareth McMullin <gareth@blacksphere.co.nz>,
thanks a lot!
This commit is contained in:
Uwe Hermann
2010-11-02 02:02:21 +01:00
parent 1621fde1f4
commit 6e090ccee1
30 changed files with 2913 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/libopenstm32/rcc.h
View File

@@ -396,8 +396,10 @@ void rcc_set_adcpre(u32 adcpre);
void rcc_set_ppre2(u32 ppre2);
void rcc_set_ppre1(u32 ppre1);
void rcc_set_hpre(u32 hpre);
void rcc_set_usbpre(u32 usbpre);
u32 rcc_get_system_clock_source(int i);
void rcc_clock_setup_in_hsi_out_64mhz(void);
void rcc_clock_setup_in_hsi_out_48mhz(void);
void rcc_clock_setup_in_hse_8mhz_out_72mhz(void);
void rcc_clock_setup_in_hse_16mhz_out_72mhz(void);
void rcc_backupdomain_reset(void);

3
include/libopenstm32/scb.h
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@@ -122,6 +122,7 @@
/* VECTKEYSTAT[31:16]/ VECTKEY[31:16] Register key */
#define SCB_AIRCR_VECTKEYSTAT_LSB 16
#define SCB_AIRCR_VECTKEY 0x05FA0000
/* ENDIANESS Data endianness bit */
#define SCB_AIRCR_ENDIANESS (1 << 15)
/* Bits [14:11]: reserved - must be kept cleared */
@@ -291,6 +292,8 @@
/* BFAR [31:0]: Bus fault address */
/* --- SCB functions ------------------------------------------------------- */
void scb_reset_core(void);
void scb_reset_system(void);
/* TODO: */

4
include/libopenstm32/tools.h
View File

@@ -51,7 +51,7 @@
* TODO: We may need a faster implementation of that one?
*/
#define TOG_SET_REG_BIT_MSK(REG, MSK, BIT) \
{ \
do { \
register u16 toggle_mask = GET_REG(REG) & MSK; \
register u16 bit_selector; \
for (bit_selector = 1; bit_selector; bit_selector <<= 1) { \
@@ -59,6 +59,6 @@
toggle_mask ^= bit_selector; \
} \
SET_REG(REG, toggle_mask); \
}
} while(0)
#endif

6
include/libopenstm32/usb.h
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@@ -20,6 +20,10 @@
#ifndef LIBOPENSTM32_USB_H
#define LIBOPENSTM32_USB_H
#include <libopenstm32/memorymap.h>
#include <libopenstm32/common.h>
#include <libopenstm32/tools.h>
/******************************************************************************
* USB base addresses
******************************************************************************/
@@ -42,7 +46,7 @@
/* USB Buffer table address register */
#define USB_BTABLE_REG ((volatile u32 *)(USB_DEV_FS_BASE + 0x50))
/* USB EP register */
#define USB_EP_REG(EP) ((volatile u32 *)(USB_DEV_FS_BASE + EP))
#define USB_EP_REG(EP) ((volatile u32 *)(USB_DEV_FS_BASE) + (EP))
/******************************************************************************
* USB control register masks / bits