void test_write_overflow_16(void){
uint16_t dataIn[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
uint16_t dataOut[BUFFER_ARRAY_LENGTH] = {0};
uint16_t bufferArray[BUFFER_ARRAY_LENGTH] = {0};
Buffer b;
BufferStatus status;
uint16_t data;
status = BUF_init(&b, bufferArray, BUFFER_ARRAY_LENGTH, 16);
int i;
for(i = 0; i < 10; i++){
status = BUF_write16(&b, dataIn[i]);
}
for(i = 0; i < BUFFER_ARRAY_LENGTH; i++){
dataOut[i] = BUF_read16(&b);
}
/* test each element of the array */
for(i = 0; i < BUFFER_ARRAY_LENGTH; i++){
TEST_ASSERT_EQUAL_INT(i, dataOut[i]);
}
}
void test_write3_read3_16(void){
uint16_t dataIn[3] = {1,2,3};
uint16_t dataOut[BUFFER_ARRAY_LENGTH] = {0};
uint16_t bufferArray[BUFFER_ARRAY_LENGTH] = {0};
Buffer b;
BufferStatus status;
uint16_t data;
status = BUF_init(&b, bufferArray, BUFFER_ARRAY_LENGTH, 16);
int i;
for(i = 0; i < 3; i++){
status = BUF_write16(&b, dataIn[i]);
}
for(i = 0; i < 3; i++){
dataOut[i] = BUF_read16(&b);
}
/* test each element of the array */
for(i = 0; i < 3; i++){
TEST_ASSERT_EQUAL_INT(dataIn[i], dataOut[i]);
}
}
void test_init_16(void)
{
uint16_t bufferArray[BUFFER_ARRAY_LENGTH] = {0};
Buffer b;
BufferStatus status;
status = BUF_init(&b, bufferArray, BUFFER_ARRAY_LENGTH, 16);
TEST_ASSERT_EQUAL_INT(BUFFER_EMPTY, status);
}
void test_read_empty_16(void){
uint16_t bufferArray[BUFFER_ARRAY_LENGTH] = {0};
Buffer b;
BufferStatus status;
status = BUF_init(&b, bufferArray, BUFFER_ARRAY_LENGTH, 16);
uint16_t data = 100;
data = BUF_read16(&b);
TEST_ASSERT_EQUAL_INT(0, data);
}
void UART_init(void){
ANSBbits.ANSB2 = ANSBbits.ANSB7 = 0;
BUF_init((Buffer*)&txBuf, (uint8_t*)txBufArr, TX_BUF_LENGTH, BUF_WIDTH_IN_BITS);
BUF_init((Buffer*)&rxBuf, (uint8_t*)rxBufArr, RX_BUF_LENGTH, BUF_WIDTH_IN_BITS);
/* baud rate = 57600bps
* U1BRG = (12000000/(16*57600)) - 1 = 12.02 = 12
*/
U1BRG = 12;
U1MODE = 0x0000; /* TX/RX only, standard mode */
U1STA = 0x0000; /* enable */
/* uart interrupts */
IFS0bits.U1TXIF = IFS0bits.U1RXIF = 0;
IEC0bits.U1TXIE = IEC0bits.U1RXIE = 1;
U1MODEbits.UARTEN = 1;
U1STAbits.UTXEN = 1;
return;
}
void USBASP_init(void)
{
uchar i;
//Reconnect USB
usbDeviceDisconnect(); /* enforce re-enumeration, do this while interrupts are disabled! */
i = 0;
while(--i)
_delay_ms(2);
usbDeviceConnect();
usbInit();
sei();
BUF_init(&debug_buffer,debug_buffer_data,sizeof(debug_buffer_data));
}
void test_write_to_full_16(void){
uint16_t bufferArray[BUFFER_ARRAY_LENGTH] = {0};
Buffer b;
BufferStatus status;
status = BUF_init(&b, bufferArray, BUFFER_ARRAY_LENGTH, 16);
int i;
for(i = 0; i < BUFFER_ARRAY_LENGTH; i++){
status = BUF_write16(&b, 1);
}
TEST_ASSERT_EQUAL_INT(BUFFER_FULL, status);
}
void test_write_to_full_read_to_empty_16(void){
uint16_t bufferArray[BUFFER_ARRAY_LENGTH] = {0};
Buffer b;
BufferStatus status;
uint16_t data;
status = BUF_init(&b, bufferArray, BUFFER_ARRAY_LENGTH, 16);
int i;
for(i = 0; i < BUFFER_ARRAY_LENGTH; i++){
status = BUF_write16(&b, 1);
}
for(i = 0; i < BUFFER_ARRAY_LENGTH; i++){
data = BUF_read16(&b);
}
status = BUF_status(&b);
TEST_ASSERT_EQUAL_INT(BUFFER_EMPTY, status);
}
int main(void) {
uint8_t i;
BUF_init(&b, dataArr, ARR_LEN, ARR_WIDTH);
showStatus();
uint8_t values0[4] = {10,9,8,7};
uint8_t values1[4] = {0,0,0,0};
/* write 4 values to the buffer */
printf("filling 4 element array\n");
for(i = 0; i < 4; i++){
BUF_write8(&b, values0[i]);
showStatus();
}
/* read 4 values from the buffer values */
printf("reading 4 element array\n");
for(i=0; i < 4; i++){
values1[i] = BUF_read8(&b);
showStatus();
}
/* test for array equality */
for(i=0; i < 4; i++){
if(values0[i] != values1[i])
while(1);
}
printf("4 element array comparison passed\n");
uint8_t values2[] = {125,124,123,122,121,120,119,118};
uint8_t values3[8] = {0};
/* write 8 values to the buffer */
printf("filling 8 element array\n");
for(i = 0; i < 8; i++){
BUF_write8(&b, values2[i]);
showStatus();
}
/* attempt to write another 4 values */
printf("attempting extra writes, 8 element array\n");
for(i = 0; i < 4; i++){
BUF_write8(&b, 100);
showStatus();
}
/* read 8 values from the buffer values */
printf("reading 8 element array\n");
for(i=0; i < 8; i++){
values3[i] = BUF_read8(&b);
showStatus();
}
/* test for array equality */
printf("comparing 8 element arrays\n");
for(i=0; i < 8; i++){
if(values2[i] != values3[i])
while(1);
}
printf("8 element array comparison passed\n");
return 0;
}
