cli_uart.cpp

00001 
00002 #include "mbed.h"
00003 #include "myBoardInit.h"
00004 #include "cli_uart.h"
00005 #include "osi.h"
00006 #include "stdio.h"
00007 
00008 OsiLockObj_t    g_printLock;
00009 #if (THIS_BOARD == Seeed_Arch_Max)
00010 Serial uart(PA_9, PA_10);
00011 #elif (THIS_BOARD == EA_MBED_LPC4088)
00012 Serial uart(p37, p31);
00013 #elif (THIS_BOARD == MBED_BOARD_LPC1768)
00014 Serial uart(p13, p14);
00015 #elif (THIS_BOARD == LPCXpresso4337)
00016 Serial uart(P3_4, P1_14);
00017 Serial uart0(UART0_TX, UART0_RX);
00018 #endif
00019 
00020 int Uart_Write(unsigned char *inBuff)
00021 {
00022     uint16_t ret, ecount, usLength = strlen((const char *)inBuff);
00023     ecount = 0;
00024     ret = 0;
00025     
00026     while(!(uart.writeable())){ecount++;if(ecount>3000)break;};
00027 
00028     if(uart.writeable()) {
00029 
00030         if(inBuff == NULL) {
00031             printf("Uart Write buffer empty\r\n");
00032             return -1;
00033         }
00034 
00035         RTOS_MUTEX_ACQUIRE(&g_printLock);
00036         ret = usLength;
00037 
00038         while (usLength) {
00039             uart.putc(*inBuff);
00040             usLength--;
00041             inBuff++;
00042         }
00043 
00044         RTOS_MUTEX_RELEASE(&g_printLock);
00045     } else {
00046 //        printf("Uart Write failed [uart not writeable] now trying printf\r\n");
00047         while (usLength) {
00048             printf("%c",*inBuff);
00049             usLength--;
00050             inBuff++;
00051         }
00052         return -1;
00053     }
00054     
00055     return (int)ret;
00056 
00057 }
00058 
00059 void CLI_Configure(void)
00060 {
00061     uart.baud(115200);
00062 //    uart0.baud(115200);
00063 
00064     RTOS_MUTEX_CREATE(&g_printLock);
00065 
00066 }