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Stop using uint8_t to determine if bytes are available from USB. If we buffer more than that we'll never be able to read it all.

This commit is contained in:
Scott Shawcroft 2016-06-25 10:48:24 -07:00
parent fefd34d05a
commit a4e5e30152
4 changed files with 11 additions and 11 deletions
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2
src/main/drivers/serial.h
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@ -62,7 +62,7 @@ typedef struct serialPort_s {
struct serialPortVTable { struct serialPortVTable {
void (*serialWrite)(serialPort_t *instance, uint8_t ch); void (*serialWrite)(serialPort_t *instance, uint8_t ch);
uint8_t (*serialTotalRxWaiting)(serialPort_t *instance); uint32_t (*serialTotalRxWaiting)(serialPort_t *instance);
uint8_t (*serialTotalTxFree)(serialPort_t *instance); uint8_t (*serialTotalTxFree)(serialPort_t *instance);
uint8_t (*serialRead)(serialPort_t *instance); uint8_t (*serialRead)(serialPort_t *instance);

2
src/main/drivers/serial_uart.c
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@ -292,7 +292,7 @@ void uartStartTxDMA(uartPort_t *s)
#endif #endif
} }
uint8_t uartTotalRxBytesWaiting(serialPort_t *instance) uint32_t uartTotalRxBytesWaiting(serialPort_t *instance)
{ {
uartPort_t *s = (uartPort_t*)instance; uartPort_t *s = (uartPort_t*)instance;
#ifdef STM32F4 #ifdef STM32F4

2
src/main/drivers/serial_uart.h
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@ -65,7 +65,7 @@ serialPort_t *uartOpen(USART_TypeDef *USARTx, serialReceiveCallbackPtr callback,
// serialPort API // serialPort API
void uartWrite(serialPort_t *instance, uint8_t ch); void uartWrite(serialPort_t *instance, uint8_t ch);
uint8_t uartTotalRxBytesWaiting(serialPort_t *instance); uint32_t uartTotalRxBytesWaiting(serialPort_t *instance);
uint8_t uartTotalTxBytesFree(serialPort_t *instance); uint8_t uartTotalTxBytesFree(serialPort_t *instance);
uint8_t uartRead(serialPort_t *instance); uint8_t uartRead(serialPort_t *instance);
void uartSetBaudRate(serialPort_t *s, uint32_t baudRate); void uartSetBaudRate(serialPort_t *s, uint32_t baudRate);

4
src/main/drivers/serial_usb_vcp.c
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@ -66,11 +66,11 @@ static bool isUsbVcpTransmitBufferEmpty(serialPort_t *instance)
return true; return true;
} }
static uint8_t usbVcpAvailable(serialPort_t *instance) static uint32_t usbVcpAvailable(serialPort_t *instance)
{ {
UNUSED(instance); UNUSED(instance);
return receiveLength & 0xFF; // FIXME use uint32_t return type everywhere return receiveLength;
} }
static uint8_t usbVcpRead(serialPort_t *instance) static uint8_t usbVcpRead(serialPort_t *instance)