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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2012-01-05 16:01:52 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2012-01-05 16:01:52 +0000
commit62b090c673675b2f519aced5f466a72e432b1417 (patch)
tree1eb92683062f3d1a4ada364d837a3bdc4ea5380e /os/hal/platforms/STM32/i2c_lld.h
parent600b02f38f3530c3bf3585090b685443ad8c11c8 (diff)
downloadChibiOS-62b090c673675b2f519aced5f466a72e432b1417.tar.gz
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Improvements to the MMC over SPI driver.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3741 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32/i2c_lld.h')
-rw-r--r--os/hal/platforms/STM32/i2c_lld.h108
1 files changed, 15 insertions, 93 deletions
diff --git a/os/hal/platforms/STM32/i2c_lld.h b/os/hal/platforms/STM32/i2c_lld.h
index c395d46d5..d566e31fd 100644
--- a/os/hal/platforms/STM32/i2c_lld.h
+++ b/os/hal/platforms/STM32/i2c_lld.h
@@ -17,6 +17,10 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/*
+ Concepts and parts of this file have been contributed by Uladzimir Pylinsky
+ aka barthess.
+ */
/**
* @file STM32/i2c_lld.h
@@ -368,87 +372,6 @@ struct I2CDriver{
/*===========================================================================*/
/**
- * @brief Waits for operation completion.
- * @details This function waits for the driver to complete the current
- * operation.
- * @pre An operation must be running while the function is invoked.
- * @note No more than one thread can wait on a I2C driver using
- * this function.
- *
- * @param[in] i2cp pointer to the @p I2CDriver object
- * @param[in] timeout the number of ticks before the operation timeouts,
- * the following special values are allowed:
- * - @a TIME_INFINITE no timeout.
- * .
- * @param[out] rdymsg received message on wakeup
- *
- * @notapi
- */
-#define i2c_lld_wait_s(i2cp, timeout, rdymsg) { \
- chDbgAssert((i2cp)->thread == NULL, \
- "_i2c_wait(), #1", "already waiting"); \
- (i2cp)->thread = chThdSelf(); \
- rdymsg = chSchGoSleepTimeoutS(THD_STATE_SUSPENDED, timeout); \
-}
-
-/**
- * @brief Wakes up the waiting thread.
- *
- * @param[in] i2cp pointer to the @p I2CDriver object
- *
- * @notapi
- */
-#define i2c_lld_wakeup_isr(i2cp) { \
- chSysLockFromIsr(); \
- if ((i2cp)->thread != NULL) { \
- Thread *tp = (i2cp)->thread; \
- (i2cp)->thread = NULL; \
- chSchReadyI(tp); \
- } \
- chSysUnlockFromIsr(); \
-}
-
-/**
- * @brief Wakes up the waiting thread in case of errors.
- *
- * @param[in] i2cp pointer to the @p I2CDriver object
- *
- * @notapi
- */
-#define i2c_lld_error_wakeup_isr(i2cp) { \
- chSysLockFromIsr(); \
- if ((i2cp)->thread != NULL) { \
- Thread *tp = (i2cp)->thread; \
- (i2cp)->thread = NULL; \
- tp->p_u.rdymsg = RDY_RESET; \
- chSchReadyI(tp); \
- } \
- chSysUnlockFromIsr(); \
-}
-
-/**
- * @brief Common ISR code.
- *
- * @param[in] i2cp pointer to the @p I2CDriver object
- *
- * @notapi
- */
-#define i2c_lld_isr_code(i2cp) { \
- i2c_lld_wakeup_isr(i2cp); \
-}
-
-/**
- * @brief Error ISR code.
- *
- * @param[in] i2cp pointer to the @p I2CDriver object
- *
- * @notapi
- */
-#define i2c_lld_isr_err_code(i2cp) { \
- i2c_lld_error_wakeup_isr(i2cp); \
-}
-
-/**
* @brief Get errors from I2C driver.
*
* @param[in] i2cp pointer to the @p I2CDriver object
@@ -473,22 +396,21 @@ extern I2CDriver I2CD2;
#if STM32_I2C_USE_I2C3
extern I2CDriver I2CD3;
#endif
-#endif
+#endif /* !defined(__DOXYGEN__) */
#ifdef __cplusplus
extern "C" {
#endif
-void i2c_lld_init(void);
-void i2c_lld_reset(I2CDriver *i2cp);
-void i2c_lld_start(I2CDriver *i2cp);
-void i2c_lld_stop(I2CDriver *i2cp);
-msg_t i2c_lld_master_transmit_timeout(I2CDriver *i2cp, i2caddr_t addr,
- const uint8_t *txbuf, size_t txbytes,
- uint8_t *rxbuf, size_t rxbytes,
- systime_t timeout);
-msg_t i2c_lld_master_receive_timeout(I2CDriver *i2cp, i2caddr_t addr,
- uint8_t *rxbuf, size_t rxbytes,
- systime_t timeout);
+ void i2c_lld_init(void);
+ void i2c_lld_start(I2CDriver *i2cp);
+ void i2c_lld_stop(I2CDriver *i2cp);
+ msg_t i2c_lld_master_transmit_timeout(I2CDriver *i2cp, i2caddr_t addr,
+ const uint8_t *txbuf, size_t txbytes,
+ uint8_t *rxbuf, size_t rxbytes,
+ systime_t timeout);
+ msg_t i2c_lld_master_receive_timeout(I2CDriver *i2cp, i2caddr_t addr,
+ uint8_t *rxbuf, size_t rxbytes,
+ systime_t timeout);
#ifdef __cplusplus
}
#endif