TEST(CircularBufferSingle, TestError)
{
const float data[8] = {1, 2, 3, 4, 5, 6, 7, 8};
float out[4];
CircularBuffer* buffer = CircularBufferInit(8);
CircularBufferWrite(buffer, data, 4);
ASSERT_EQ(VALUE_ERROR, CircularBufferRead(buffer, out, 5));
CircularBufferFlush(buffer);
CircularBufferWrite(buffer, data, 8);
ASSERT_EQ(VALUE_ERROR, CircularBufferWrite(buffer, data, 1));
}
TEST(CircularBufferSingle, TestMultiWriteRead)
{
const float data[4] = {1,2,3,4};
float out[4] = {0,0,0,0};
CircularBuffer *buffer = CircularBufferInit(7);
CircularBufferWrite(buffer, data, 2);
CircularBufferWrite(buffer, data + 2, 2);
CircularBufferRead(buffer, out, 4);
CircularBufferFree(buffer);
for (unsigned i = 0; i < 4; ++i)
{
ASSERT_FLOAT_EQ(out[i], data[i]);
}
}
TEST(CircularBufferSingle, TestCount)
{
const float data[8] = {1, 2, 3, 4, 5, 6, 7, 8};
float out[4];
CircularBuffer* buffer = CircularBufferInit(8);
CircularBufferWrite(buffer, data, 4);
ASSERT_EQ(4, CircularBufferCount(buffer));
CircularBufferRead(buffer, out, 2);
ASSERT_EQ(2, CircularBufferCount(buffer));
CircularBufferFlush(buffer);
ASSERT_EQ(0, CircularBufferCount(buffer));
}
TEST(CircularBufferSingle, TestFlush)
{
const float data[4] = {1,2,3,4};
float out[4] = {0,0,0,0};
CircularBuffer *buffer = CircularBufferInit(7);
CircularBufferWrite(buffer, data, 4);
CircularBufferFlush(buffer);
CircularBufferFree(buffer);
for (unsigned i = 0; i < 4; ++i)
{
ASSERT_FLOAT_EQ(out[i], 0.0);
}
}
TEST(CircularBufferSingle, TestRewind)
{
const float data[4] = {1,2,3,4};
float out[4] = {0, 0, 0, 0};
float expected[4] = {3, 4, 3, 4};
CircularBuffer *buffer = CircularBufferInit(7);
CircularBufferWrite(buffer, data, 4);
CircularBufferRead(buffer, out, 4);
CircularBufferRewind(buffer, 2);
CircularBufferRead(buffer, out, 2);
CircularBufferFlush(buffer);
CircularBufferFree(buffer);
for (unsigned i = 0; i < 4; ++i)
{
ASSERT_FLOAT_EQ(out[i], expected[i]);
}
}
int main(int argc, char *argv[])
{
CircularBuffer* que;
unsigned int a = 0,*p=NULL;
int isEmpty;
p = (unsigned int *)calloc(188,sizeof(char));
CircularBufferInit(&que, BUFFER_SIZE);
do{
a += 1;
}while(!CircularBufferWrite(que, &a));
do {
isEmpty = CircularBufferRead(que, p);
printf("%02d ", *p);
} while (!isEmpty);
printf("\n");
free(p);
free(que);
return 0;
}
/**
* @details
*/
signed char __hal_UARTTransmitByte(enum PERIPHERAL peripheral, unsigned char value)
{
signed char isFull = -1;
// If USCI is defined, include the following code.
#if defined(__MCU_MSP430_USCI)
// Check if we are using the USCIA0 peripheral.
if (peripheral == USCIA0)
{
// Write value to transmit circular buffer.
isFull = CircularBufferWrite(&USCIA0Buffer.tx, value);
// If the a byte was copied successfully, initiate a transmission sequence.
if (!isFull)
{
// Increment USCIA0 TX buffer count.
USCIA0Buffer.count++;
if (!CircularBufferIsEmpty(&USCIA0Buffer.tx))
{
if(USCIA0Buffer.state != IN_PROGRESS)
{
// Set state.
USCIA0Buffer.state = IN_PROGRESS;
// Set USCIA0 TX interrupt enable to start transmission sequence.
#if defined(UCA0TXIE)
IE2 |= UCA0TXIE;
#elif defined(UCA0IE)
UCA0IE |= UCTXIE;
#endif
}
}
}
}
#endif
return isFull;
}
