/**
* [InitTask description]
*/
__task void InitTask(void)
{
int msg_len = 0;
int clockRate = Chip_Clock_GetMainClockRate();
/* Enabled Clock To GPPIO */
Chip_GPIO_Init(LPC_GPIO);
// Set the pin direction, set high for an output LED2
Chip_GPIO_SetPinDIR(LPC_GPIO, 0, 2, 1);
/* Serial Driver Enable */
SER_Init();
msg_len = snprintf(message, sizeof(message), "Main clock is: %d\r\n", clockRate);
Chip_UART0_SendRB(LPC_USART0, &txring, message, msg_len);
for(;;)
{
os_dly_wait(50);
Chip_UART0_SendRB(LPC_USART0, &txring, "Sveiki\r\n", strlen("Sveiki\r\n"));
Chip_GPIO_WriteDirBit(LPC_GPIO, 0, 2, 0);
os_dly_wait(100);
Chip_GPIO_WriteDirBit(LPC_GPIO, 0, 2, 1);
}
}
/**
* @remarks: behavior changed to block only when txring buffer is full (prior to return)
* Guarantees that everything is written (thus retries whenever necessary)
*/
static void uart0_write_internal(const uint8_t* data, size_t size, bool in_rtos) {
uint32_t written;
while (size > 0) {
written = Chip_UART0_SendRB(LPC_USART0, &txring, data, size);
data += written;
size -= written;
if (in_rtos && RingBuffer_IsFull(&txring) && xTaskGetSchedulerState() == taskSCHEDULER_RUNNING) {
xSemaphoreTake(sem_uart_ready, portMAX_DELAY);
}
}
}
/**
* [SER_Init Initalize Uart Driver]
*/
void SER_Init (void) {
uint8_t key;
int bytes;
Init_UART_PinMux();
Chip_UART0_Init(LPC_USART0);
Chip_UART0_SetBaud(LPC_USART0, 115200);
Chip_UART0_ConfigData(LPC_USART0, (UART0_LCR_WLEN8 | UART0_LCR_SBS_1BIT));
Chip_UART0_SetupFIFOS(LPC_USART0, (UART0_FCR_FIFO_EN | UART0_FCR_TRG_LEV2));
Chip_UART0_TXEnable(LPC_USART0);
/* Before using the ring buffers, initialize them using the ring
buffer init function */
RingBuffer_Init(&rxring, rxbuff, 1, UART_RRB_SIZE);
RingBuffer_Init(&txring, txbuff, 1, UART_SRB_SIZE);
/* Enable receive data and line status interrupt */
Chip_UART0_IntEnable(LPC_USART0, (UART0_IER_RBRINT | UART0_IER_RLSINT));
/* Enable UART 0 interrupt */
NVIC_EnableIRQ(USART0_IRQn);
/* Send initial messages */
Chip_UART0_SendRB(LPC_USART0, &txring, inst1, sizeof(inst1) - 1);
Chip_UART0_SendRB(LPC_USART0, &txring, inst2, sizeof(inst2) - 1);
/* Poll the receive ring buffer for the ESC (ASCII 27) key */
key = 0;
// while (key != ' ') {
// bytes = Chip_UART0_ReadRB(LPC_USART0, &rxring, &key, 1);
// if (bytes > 0) {
// /* Wrap value back around */
// if (Chip_UART0_SendRB(LPC_USART0, &txring, (const uint8_t *) &key, 1) != 1) {
// }
// }
// }
}
