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Diff: src/mbed/admw_spi.cpp
- Revision:
- 23:bb685f35b08b
- Parent:
- 13:97cb32670539
- Child:
- 32:52445bef314d
--- a/src/mbed/admw_spi.cpp Thu Sep 26 05:56:58 2019 +0000
+++ b/src/mbed/admw_spi.cpp Thu Sep 26 06:15:39 2019 +0000
@@ -77,26 +77,26 @@
ADMW_LOG_ERROR("Failed to allocate memory for SPI device");
return ADMW_NO_MEM;
}
-
+
pCtx->_spi = new SPI((PinName)pConfig->mosiPin,
- (PinName)pConfig->misoPin,
- (PinName)pConfig->sckPin);
+ (PinName)pConfig->misoPin,
+ (PinName)pConfig->sckPin);
pCtx->_cs = new DigitalOut((PinName)pConfig->csPin, 1);
-
+
pCtx->_spi->format(ADMW_SPI_FRAME_SIZE, ADMW_SPI_MODE);
pCtx->_spi->frequency(pConfig->maxSpeedHz);
-
+
pCtx->_wakeup = new DigitalOut((PinName)pConfig->wakeupPin, 1);
-
+
*phDevice = (ADMW_SPI_HANDLE)pCtx;
-
+
return ADMW_SUCCESS;
}
/*
* Execute a bi-directional data transfer on the SPI interface
*/
- ADMW_RESULT
+ADMW_RESULT
admw_SpiReceive(
ADMW_SPI_HANDLE hDevice,
void *pTxData,
@@ -104,12 +104,12 @@
unsigned nLength,
bool bCsHold)
{
- SpiContext_t *pCtx = (SpiContext_t*)hDevice;
-
- pCtx->_spi->format(ADMW_SPI_FRAME_SIZE, 1);
-
- int rc = 0;
-
+ SpiContext_t *pCtx = (SpiContext_t*)hDevice;
+
+ pCtx->_spi->format(ADMW_SPI_FRAME_SIZE, 1);
+
+ int rc = 0;
+
*(pCtx->_wakeup) = 0;
wait_us(60);
@@ -117,23 +117,22 @@
*(pCtx->_cs) = 0;
rc = pCtx->_spi->write((char*)(pTxData), pTxData ? nLength : 0,
- (char*)(pRxData), pRxData ? nLength : 0);
-
+ (char*)(pRxData), pRxData ? nLength : 0);
+
if ((rc < 0) || !bCsHold)
*(pCtx->_cs) = 1;
*(pCtx->_wakeup) = 1;
- if (rc < 0)
- {
+ if (rc < 0) {
ADMW_LOG_ERROR("Failed to complete SPI transfer");
return ADMW_FAILURE;
}
pCtx->_spi->format(ADMW_SPI_FRAME_SIZE, ADMW_SPI_MODE);
-
+
return ADMW_SUCCESS;
-
+
}
ADMW_RESULT
admw_SpiTransfer(
@@ -144,9 +143,9 @@
bool bCsHold)
{
int rc = 0;
-
+
SpiContext_t *pCtx = (SpiContext_t*)hDevice;
-
+
*(pCtx->_wakeup) = 0;
wait_us(60);
@@ -154,15 +153,14 @@
*(pCtx->_cs) = 0;
rc = pCtx->_spi->write((char*)(pTxData), pTxData ? nLength : 0,
- (char*)(pRxData), pRxData ? nLength : 0);
-
+ (char*)(pRxData), pRxData ? nLength : 0);
+
if ((rc < 0) || !bCsHold)
*(pCtx->_cs) = 1;
*(pCtx->_wakeup) = 1;
- if (rc < 0)
- {
+ if (rc < 0) {
ADMW_LOG_ERROR("Failed to complete SPI transfer");
return ADMW_FAILURE;
}
@@ -181,7 +179,7 @@
delete pCtx->_spi;
delete pCtx->_cs;
delete pCtx->_wakeup;
-
+
free(pCtx);
}