diff options
| -rw-r--r-- | demos/ARMCM3-STM32L152-DISCOVERY/main.c | 11 | ||||
| -rw-r--r-- | os/hal/platforms/STM32L1xx/pal_lld.h | 18 |
2 files changed, 20 insertions, 9 deletions
diff --git a/demos/ARMCM3-STM32L152-DISCOVERY/main.c b/demos/ARMCM3-STM32L152-DISCOVERY/main.c index a56f81efa..f5e583c81 100644 --- a/demos/ARMCM3-STM32L152-DISCOVERY/main.c +++ b/demos/ARMCM3-STM32L152-DISCOVERY/main.c @@ -28,12 +28,17 @@ */
static WORKING_AREA(waThread1, 128);
static msg_t Thread1(void *arg) {
- static uint32_t seconds_counter;
(void)arg;
while (TRUE) {
- chThdSleepMilliseconds(1000);
- seconds_counter++;
+ palSetPad(GPIOB, GPIOB_LED3);
+ chThdSleepMilliseconds(250);
+ palClearPad(GPIOB, GPIOB_LED3);
+ chThdSleepMilliseconds(250);
+ palSetPad(GPIOB, GPIOB_LED4);
+ chThdSleepMilliseconds(250);
+ palClearPad(GPIOB, GPIOB_LED4);
+ chThdSleepMilliseconds(250);
}
}
diff --git a/os/hal/platforms/STM32L1xx/pal_lld.h b/os/hal/platforms/STM32L1xx/pal_lld.h index db2964a24..130490fb8 100644 --- a/os/hal/platforms/STM32L1xx/pal_lld.h +++ b/os/hal/platforms/STM32L1xx/pal_lld.h @@ -145,7 +145,13 @@ 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;
@@ -357,11 +363,11 @@ typedef GPIO_TypeDef * ioportid_t; *
* @notapi
*/
-#define pal_lld_setport(port, bits) ((port)->BSRR = (bits))
+#define pal_lld_setport(port, bits) ((port)->BSRR.H.set = (uint16_t)(bits))
/**
* @brief Clears a bits mask on a I/O port.
- * @details This function is implemented by writing the GPIO BRR register, the
+ * @details This function is implemented by writing the GPIO BSRR register, the
* implementation has no side effects.
* @note This function is not meant to be invoked directly by the
* application code.
@@ -374,7 +380,7 @@ typedef GPIO_TypeDef * ioportid_t; *
* @notapi
*/
-#define pal_lld_clearport(port, bits) ((port)->BRR = (bits))
+#define pal_lld_clearport(port, bits) ((port)->BSRR.H.clear = (uint16_t)(bits))
/**
* @brief Writes a group of bits.
@@ -395,8 +401,8 @@ typedef GPIO_TypeDef * ioportid_t; * @notapi
*/
#define pal_lld_writegroup(port, mask, offset, bits) \
- ((port)->BSRR = ((~(bits) & (mask)) << (16 + (offset))) | \
- (((bits) & (mask)) << (offset)))
+ ((port)->BSRR.W = ((~(bits) & (mask)) << (16 + (offset))) | \
+ (((bits) & (mask)) << (offset)))
/**
* @brief Pads group mode setup.
|