rename xfer to transfer

Author: ithinuel

drivers/SAI.cpp

@@ -45,7 +45,7 @@ SAI::SAI(PinName mclk, PinName bclk, PinName wclk, PinName sd,
 
 bool SAI::xfer(uint32_t *value) {
     lock();
-    bool ret = sai_xfer(&_sai, value);
+    bool ret = sai_transfer(&_sai, value);
     unlock();
     return ret;
 }

hal/sai_api.h

@@ -44,17 +44,17 @@ extern "C" {
  * - a device/block can be reinitialized via `sai_init()` after being `sai_free()`d.
  *
  * if the device is a *receiver* :
- * - `sai_xfer()` returns false if the `sai_t` object is NULL ;
- * - `sai_xfer()` returns false if there's no sample in the FiFo ;
- * - `sai_xfer()` if `psample` is NULL : it pops 1 sample from the FiFo and returns true ;
- * - `sai_xfer()` if `psample` is not NULL : it pops 1 sample from the FiFo, stores it to the address
+ * - `sai_transfer()` returns false if the `sai_t` object is NULL ;
+ * - `sai_transfer()` returns false if there's no sample in the FiFo ;
+ * - `sai_transfer()` if `psample` is NULL : it pops 1 sample from the FiFo and returns true ;
+ * - `sai_transfer()` if `psample` is not NULL : it pops 1 sample from the FiFo, stores it to the address
  *   pointed by `psample`,  and returns true.
  *
  * if the device is a *transmitter* :
- * - `sai_xfer()` returns false if the `sai_t` object is NULL ;
- * - `sai_xfer()` returns false if the fifo is full and `*psample` could not be pushed ;
- * - `sai_xfer()` if `psample` is NULL : it pushes one '0' sample to the FiFo and returns true ;
- * - `sai_xfer()` if `psample` is not NULL : it pushes the pointed sample to the FiFo and returns true.
+ * - `sai_transfer()` returns false if the `sai_t` object is NULL ;
+ * - `sai_transfer()` returns false if the fifo is full and `*psample` could not be pushed ;
+ * - `sai_transfer()` if `psample` is NULL : it pushes one '0' sample to the FiFo and returns true ;
+ * - `sai_transfer()` if `psample` is not NULL : it pushes the pointed sample to the FiFo and returns true.
  *
  * # Undefined behaviours
  * - Calling any function other than `sai_init()` before the initialization of the SAI ;
@@ -177,7 +177,7 @@ sai_result_t sai_init(sai_t *obj, sai_init_t *init);
  * - on reception : will read a sample from the fifo to the nether.
  * - on transmission : will send a '0'.
  */
-bool sai_xfer(sai_t *obj, uint32_t *psample);
+bool sai_transfer(sai_t *obj, uint32_t *psample);
 
 /**
  * Releases & de-initialize the referenced peripherals.

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/api/sai_api.c

@@ -148,7 +148,7 @@ sai_result_t sai_init(sai_t *obj, sai_init_t *init) {
     return SAI_RESULT_OK;
 }
 
-bool sai_xfer(sai_t *obj, uint32_t *sample) {
+bool sai_transfer(sai_t *obj, uint32_t *sample) {
     if (obj == NULL) {
         return false;
     }

targets/TARGET_STM/TARGET_STM32F4/sai_api.c

@@ -84,12 +84,12 @@ sai_result_t sai_init(sai_t *obj, sai_init_t *init) {
 }
 
 /** Transfer a sample and return the sample received meanwhile. */
-bool sai_xfer(sai_t *obj, uint32_t *sample) {
+bool sai_transfer(sai_t *obj, uint32_t *sample) {
     if (obj == NULL) {
         return false;
     }
 
-    return sai_vtable[obj->base->type]->xfer(obj, sample);
+    return sai_vtable[obj->base->type]->transfer(obj, sample);
 }
 
 /** Releases & de-initialize the referenced peripherals. */

targets/TARGET_STM/TARGET_STM32F4/stm_i2s_driver.c

@@ -23,12 +23,12 @@
 #include "PeripheralPins.h"
 
 static sai_result_t stm_i2s_init(sai_t *obj, sai_init_t *init);
-static bool stm_i2s_xfer(sai_t *obj, uint32_t *sample);
+static bool stm_i2s_transfer(sai_t *obj, uint32_t *sample);
 static void stm_i2s_free(sai_t *obj);
 
 const stm_sai_api_t stm_i2s_vtable = {
     .init = stm_i2s_init,
-    .xfer = stm_i2s_xfer,
+    .transfer = stm_i2s_transfer,
     .free = stm_i2s_free
 };
 
@@ -113,7 +113,7 @@ static sai_result_t stm_i2s_init(sai_t *obj, sai_init_t *init) {
     return SAI_RESULT_OK;
 }
 
-static bool stm_i2s_xfer(sai_t *obj, uint32_t *psample) {
+static bool stm_i2s_transfer(sai_t *obj, uint32_t *psample) {
     bool ret = false;
     if (obj->is_receiver) {
         if (LL_I2S_IsActiveFlag_FRE(obj->base->u.spi) && !LL_I2S_IsActiveFlag_CHSIDE(obj->base->u.spi)) {

targets/TARGET_STM/TARGET_STM32F4/stm_sai_api.h

@@ -26,7 +26,7 @@
 
 typedef struct stm_sai_api_s {
     sai_result_t    (*init)(sai_t *obj, sai_init_t *init);
-    bool            (*xfer)(sai_t *obj, uint32_t *sample);
+    bool            (*transfer)(sai_t *obj, uint32_t *sample);
     void            (*free)(sai_t *obj);
 } stm_sai_api_t;
 

targets/TARGET_STM/TARGET_STM32F4/stm_sai_driver.c

@@ -21,12 +21,12 @@
 #include "PeripheralPins.h"
 
 static sai_result_t stm_sai_init(sai_t *obj, sai_init_t *init);
-static bool stm_sai_xfer(sai_t *obj, uint32_t *sample);
+static bool stm_sai_transfer(sai_t *obj, uint32_t *sample);
 static void stm_sai_free(sai_t *obj);
 
 const stm_sai_api_t stm_sai_vtable = {
     .init = stm_sai_init,
-    .xfer = stm_sai_xfer,
+    .transfer = stm_sai_transfer,
     .free = stm_sai_free
 };
 
@@ -202,7 +202,7 @@ static sai_result_t stm_sai_init(sai_t *obj, sai_init_t *init) {
     return SAI_RESULT_OK;
 }
 
-static bool stm_sai_xfer(sai_t *obj, uint32_t *psample) {
+static bool stm_sai_transfer(sai_t *obj, uint32_t *psample) {
     bool ret = false;
     uint32_t sr = obj->base->u.sai_block->SR;
     uint32_t fifo_level = (sr & SAI_xSR_FLVL) >> SAI_xSR_FLVL_Pos;