zcy
/
tinySA
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3348 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2011-09-19 12:04:02 +00:00
parent c1a1893307
commit 22d8fa4450
1 changed files with 11 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
os/hal/platforms/STM32/GPIOv2/pal_lld.h
View File

@ -135,7 +135,13 @@ typedef struct {
volatile uint32_t PUPDR;
volatile uint32_t IDR;
volatile uint32_t ODR;
volatile uint32_t BSRR;
volatile union {
uint32_t W;
struct {
uint16_t set;
uint16_t clear;
} H;
} BSRR;
volatile uint32_t LCKR;
volatile uint32_t AFRL;
volatile uint32_t AFRH;
@ -369,7 +375,7 @@ typedef GPIO_TypeDef * ioportid_t;
*
* @notapi
*/
#define pal_lld_setport(port, bits) ((port)->BSRR = (uint32_t)(bits))
#define pal_lld_setport(port, bits) ((port)->BSRR.H.set = (uint16_t)(bits))
/**
* @brief Clears a bits mask on a I/O port.
@ -386,7 +392,7 @@ typedef GPIO_TypeDef * ioportid_t;
*
* @notapi
*/
#define pal_lld_clearport(port, bits) ((port)->BSRR = (uint32_t)(bits) << 16)
#define pal_lld_clearport(port, bits) ((port)->BSRR.H.clear = (uint16_t)(bits))
/**
* @brief Writes a group of bits.
@ -407,7 +413,7 @@ typedef GPIO_TypeDef * ioportid_t;
* @notapi
*/
#define pal_lld_writegroup(port, mask, offset, bits) \
((port)->BSRR = ((~(bits) & (mask)) << (16 + (offset))) | \
((port)->BSRR.W = ((~(bits) & (mask)) << (16 + (offset))) | \
(((bits) & (mask)) << (offset)))
/**