HAL callbacks rework.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12470 110e8d01-0319-4d1e-a829-52ad28d1bb01

4 files changed, 87 insertions, 45 deletions

diff --git a/os/hal/include/hal_adc.h b/os/hal/include/hal_adc.h
index 8ccc8241e..57797c7ee 100644
--- a/os/hal/include/hal_adc.h
+++ b/os/hal/include/hal_adc.h
@@ -104,11 +104,8 @@ typedef struct hal_adc_configuration_group ADCConversionGroup;
  * @brief   Type of an ADC notification callback.

  *

  * @param[in] adcp      pointer to the @p ADCDriver object triggering the

- *                      callback

- * @param[in] buffer    pointer to the most recent samples data

- * @param[in] n         number of buffer rows available starting from @p buffer

  */

-typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n);

+typedef void (*adccallback_t)(ADCDriver *adcp);

 

 /**

  * @brief   Type of an ADC error callback.

@@ -204,6 +201,26 @@ struct hal_adc_driver {
 /*===========================================================================*/

 

 /**

+ * @name    Macro Functions

+ * @{

+ */

+/**

+ * @brief   Buffer state.

+ * @note    This function is meant to be called from the SPI callback only.

+ *

+ * @param[in] adcp      pointer to the @p ADCDriver object

+ * @return              The buffer state.

+ * @retval              false if the driver filled/sent the first half of the

+ *                      buffer.

+ * @retval              true if the driver filled/sent the second half of the

+ *                      buffer.

+ *

+ * @special

+ */

+#define adcIsBufferComplete(adcp) ((bool)((adcp)->state == ADC_COMPLETE))

+/** @} */

+

+/**

  * @name    Low level driver helper macros

  * @{

  */

@@ -275,7 +292,7 @@ struct hal_adc_driver {
  */

 #define _adc_isr_half_code(adcp) {                                          \

   if ((adcp)->grpp->end_cb != NULL) {                                       \

-    (adcp)->grpp->end_cb(adcp, (adcp)->samples, (adcp)->depth / 2);         \

+    (adcp)->grpp->end_cb(adcp);                                             \

   }                                                                         \

 }

 

@@ -297,15 +314,10 @@ struct hal_adc_driver {
   if ((adcp)->grpp->circular) {                                             \

     /* Callback handling.*/                                                 \

     if ((adcp)->grpp->end_cb != NULL) {                                     \

-      if ((adcp)->depth > 1) {                                              \

-        /* Invokes the callback passing the 2nd half of the buffer.*/       \

-        size_t half = (adcp)->depth / 2;                                    \

-        size_t half_index = half * (adcp)->grpp->num_channels;              \

-        (adcp)->grpp->end_cb(adcp, (adcp)->samples + half_index, half);     \

-      }                                                                     \

-      else {                                                                \

-        /* Invokes the callback passing the whole buffer.*/                 \

-        (adcp)->grpp->end_cb(adcp, (adcp)->samples, (adcp)->depth);         \

+      (adcp)->state = ADC_COMPLETE;                                         \

+      (adcp)->grpp->end_cb(adcp);                                           \

+      if ((adcp)->state == ADC_COMPLETE) {                                  \

+        (adcp)->state = ADC_ACTIVE;                                         \

       }                                                                     \

     }                                                                       \

   }                                                                         \

@@ -314,8 +326,7 @@ struct hal_adc_driver {
     adc_lld_stop_conversion(adcp);                                          \

     if ((adcp)->grpp->end_cb != NULL) {                                     \

       (adcp)->state = ADC_COMPLETE;                                         \

-      /* Invoke the callback passing the whole buffer.*/                    \

-      (adcp)->grpp->end_cb(adcp, (adcp)->samples, (adcp)->depth);           \

+      (adcp)->grpp->end_cb(adcp);                                           \

       if ((adcp)->state == ADC_COMPLETE) {                                  \

         (adcp)->state = ADC_READY;                                          \

         (adcp)->grpp = NULL;                                                \

diff --git a/os/hal/include/hal_dac.h b/os/hal/include/hal_dac.h
index 6533f35d6..403df4970 100644
--- a/os/hal/include/hal_dac.h
+++ b/os/hal/include/hal_dac.h
@@ -99,11 +99,8 @@ typedef struct hal_dac_conversion_group DACConversionGroup;
  * @brief   DAC notification callback type.

  *

  * @param[in] dacp      pointer to the @p DACDriver object triggering the

- * @param[in] buffer    pointer to the next semi-buffer to be filled

- * @param[in] n         number of buffer rows available starting from @p buffer

- *                      callback

  */

-typedef void (*daccallback_t)(DACDriver *dacp, dacsample_t *buffer, size_t n);

+typedef void (*daccallback_t)(DACDriver *dacp);

 

 /**

  * @brief   DAC error callback type.

@@ -193,6 +190,21 @@ struct hal_dac_driver {
  * @name    Low level driver helper macros

  * @{

  */

+/**

+ * @brief   Buffer state.

+ * @note    This function is meant to be called from the DAC callback only.

+ *

+ * @param[in] dacp      pointer to the @p DACDriver object

+ * @return              The buffer state.

+ * @retval              false if the driver filled/sent the first half of the

+ *                      buffer.

+ * @retval              true if the driver filled/sent the second half of the

+ *                      buffer.

+ *

+ * @special

+ */

+#define dacIsBufferComplete(dacp) ((bool)((dacp)->state == DAC_COMPLETE))

+

 #if (DAC_USE_WAIT == TRUE) || defined(__DOXYGEN__)

 /**

  * @brief   Waits for operation completion.

@@ -274,7 +286,7 @@ struct hal_dac_driver {
  */

 #define _dac_isr_half_code(dacp) {                                          \

   if ((dacp)->grpp->end_cb != NULL) {                                       \

-    (dacp)->grpp->end_cb(dacp, (dacp)->samples, (dacp)->depth / 2);         \

+    (dacp)->grpp->end_cb(dacp);                                             \

   }                                                                         \

 }

 

@@ -282,7 +294,6 @@ struct hal_dac_driver {
  * @brief   Common ISR code, full buffer event.

  * @details This code handles the portable part of the ISR code:

  *          - Callback invocation.

- *          - Waiting thread wakeup, if any.

  *          - Driver state transitions.

  *          .

  * @note    This macro is meant to be used in the low level drivers

@@ -293,17 +304,11 @@ struct hal_dac_driver {
  * @notapi

  */

 #define _dac_isr_full_code(dacp) {                                          \

-  if ((dacp)->grpp->end_cb != NULL) {                                       \

-    if ((dacp)->depth > 1) {                                                \

-      /* Invokes the callback passing the 2nd half of the buffer.*/         \

-      size_t half = (dacp)->depth / 2;                                      \

-      size_t half_index = half * (dacp)->grpp->num_channels;                \

-      (dacp)->grpp->end_cb(dacp, (dacp)->samples + half_index, half);       \

-    }                                                                       \

-    else {                                                                  \

-      /* Invokes the callback passing the whole buffer.*/                   \

-      (dacp)->grpp->end_cb(dacp, (dacp)->samples, (dacp)->depth);           \

-    }                                                                       \

+  if ((dacp)->grpp->end_cb) {                                               \

+    (dacp)->state = DAC_COMPLETE;                                           \

+    (dacp)->grpp->end_cb(dacp);                                             \

+    if ((dacp)->state == DAC_COMPLETE)                                      \

+      (dacp)->state = DAC_ACTIVE;                                           \

   }                                                                         \

 }

 

diff --git a/os/hal/include/hal_i2s.h b/os/hal/include/hal_i2s.h
index 9811423f5..1dccaaa1e 100644
--- a/os/hal/include/hal_i2s.h
+++ b/os/hal/include/hal_i2s.h
@@ -76,10 +76,8 @@ typedef struct hal_i2s_config I2SConfig;
  * @brief   I2S notification callback type.

  *

  * @param[in] i2sp      pointer to the @p I2SDriver object

- * @param[in] offset    offset in buffers of the data to read/write

- * @param[in] n         number of samples to read/write

  */

-typedef void (*i2scallback_t)(I2SDriver *i2sp, size_t offset, size_t n);

+typedef void (*i2scallback_t)(I2SDriver *i2sp);

 

 /* Including the low level driver header, it exports information required

    for completing types.*/

@@ -136,6 +134,21 @@ struct hal_i2s_config {
  * @{

  */

 /**

+ * @brief   Buffer state.

+ * @note    This function is meant to be called from the SPI callback only.

+ *

+ * @param[in] i2sp      pointer to the @p I2SDriver object

+ * @return              The buffer state.

+ * @retval              false if the driver filled/sent the first half of the

+ *                      buffer.

+ * @retval              true if the driver filled/sent the second half of the

+ *                      buffer.

+ *

+ * @special

+ */

+#define i2sIsBufferComplete(i2sp) ((bool)((i2sp)->state == I2S_COMPLETE))

+

+/**

  * @brief   Starts a I2S data exchange.

  *

  * @param[in] i2sp      pointer to the @p I2SDriver object

@@ -175,7 +188,7 @@ struct hal_i2s_config {
  */

 #define _i2s_isr_half_code(i2sp) {                                          \

   if ((i2sp)->config->end_cb != NULL) {                                     \

-    (i2sp)->config->end_cb(i2sp, 0, (i2sp)->config->size / 2);              \

+    (i2sp)->config->end_cb(i2sp);                                           \

   }                                                                         \

 }

 

@@ -195,9 +208,7 @@ struct hal_i2s_config {
 #define _i2s_isr_full_code(i2sp) {                                          \

   if ((i2sp)->config->end_cb) {                                             \

     (i2sp)->state = I2S_COMPLETE;                                           \

-    (i2sp)->config->end_cb(i2sp,                                            \

-                           (i2sp)->config->size / 2,                        \

-                           (i2sp)->config->size / 2);                       \

+    (i2sp)->config->end_cb(i2sp);                                           \

     if ((i2sp)->state == I2S_COMPLETE) {                                    \

       (i2sp)->state = I2S_ACTIVE;                                           \

     }                                                                       \

diff --git a/os/hal/include/hal_spi.h b/os/hal/include/hal_spi.h
index 4d2ebdefb..57f63e13c 100644
--- a/os/hal/include/hal_spi.h
+++ b/os/hal/include/hal_spi.h
@@ -225,6 +225,21 @@ struct hal_spi_driver {
  * @name    Macro Functions

  * @{

  */

+/**

+ * @brief   Buffer state.

+ * @note    This function is meant to be called from the SPI callback only.

+ *

+ * @param[in] spip      pointer to the @p SPIDriver object

+ * @return              The buffer state.

+ * @retval              false if the driver filled/sent the first half of the

+ *                      buffer.

+ * @retval              true if the driver filled/sent the second half of the

+ *                      buffer.

+ *

+ * @special

+ */

+#define spiIsBufferComplete(spip) ((bool)((spip)->state == SPI_COMPLETE))

+

 #if (SPI_SELECT_MODE == SPI_SELECT_MODE_LLD) || defined(__DOXYGEN__)

 /**

  * @brief   Asserts the slave select signal and prepares for transfers.

@@ -408,7 +423,7 @@ do {                                                                        \
 #endif /* !SPI_USE_WAIT */

 

 /**

- * @brief   Common ISR code.

+ * @brief   Common ISR code when circular mode is not supported.

  * @details This code handles the portable part of the ISR code:

  *          - Callback invocation.

  *          - Waiting thread wakeup, if any.

@@ -434,7 +449,7 @@ do {                                                                        \
 }

 

 /**

- * @brief   Common ISR code in circular mode.

+ * @brief   Half buffer filled ISR code in circular mode.

  * @details This code handles the portable part of the ISR code:

  *          - Callback invocation.

  *          .

@@ -445,14 +460,14 @@ do {                                                                        \
  *

  * @notapi

  */

-#define _spi_isr_code_half1(spip) {                                         \

+#define _spi_isr_half_code(spip) {                                          \

   if ((spip)->config->end_cb) {                                             \

     (spip)->config->end_cb(spip);                                           \

   }                                                                         \

 }

 

 /**

- * @brief   Common ISR code in circular mode.

+ * @brief   Full buffer filled ISR code in circular mode.

  * @details This code handles the portable part of the ISR code:

  *          - Callback invocation.

  *          - Driver state transitions.

@@ -464,7 +479,7 @@ do {                                                                        \
  *

  * @notapi

  */

-#define _spi_isr_code_half2(spip) {                                         \

+#define _spi_isr_full_code(spip) {                                          \

   if ((spip)->config->end_cb) {                                             \

     (spip)->state = SPI_COMPLETE;                                           \

     (spip)->config->end_cb(spip);                                           \