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[nrf52840] fix IAR warning in USB driver (#2262)

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This commit is contained in:
Robert Lubos
2017-10-17 09:47:13 -07:00
committed by Jonathan Hui
parent 2ea56446a4
commit 9f86c3326e
1 changed files with 8 additions and 6 deletions
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examples/platforms/nrf52840/usb-cdc-uart.c
+8 -6
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@@ -97,17 +97,17 @@ APP_USBD_CDC_ACM_GLOBAL_DEF(sAppCdcAcm,
// Rx buffer length must by multiple of NRF_DRV_USBD_EPSIZE.
static char sRxBuffer[NRF_DRV_USBD_EPSIZE * ((UART_RX_BUFFER_SIZE + NRF_DRV_USBD_EPSIZE - 1) / NRF_DRV_USBD_EPSIZE)];
static volatile struct
static struct
{
const uint8_t *mTxBuffer;
uint16_t mTxSize;
size_t mReceivedDataSize;
bool mUartEnabled;
bool mLastConnectionStatus;
bool mConnected;
bool mReady;
bool mTransferDone;
bool mReceiveDone;
volatile bool mConnected;
volatile bool mReady;
volatile bool mTransferDone;
volatile bool mReceiveDone;
} sUsbState;
uint16_t gExternSerialNumber[SERIAL_NUMBER_STRING_SIZE + 1];
@@ -211,7 +211,9 @@ static bool isPortOpened(void)
static void processConnection(void)
{
if (sUsbState.mLastConnectionStatus != (sUsbState.mUartEnabled && sUsbState.mConnected))
bool connectionStatus = sUsbState.mUartEnabled && sUsbState.mConnected;
if (sUsbState.mLastConnectionStatus != connectionStatus)
{
sUsbState.mLastConnectionStatus = sUsbState.mUartEnabled && sUsbState.mConnected;