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Bluetooth.c
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Bluetooth.c
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/*
* Author : Radjy RAMLALL
* Date : 24/03/14
* Brief : Drivers for Rn-42 including stack support.
*
*/
#include <GenericTypeDefs.h>
#include <time.h>
#include "ConfigProcessor.h"
#include "Bluetooth.h"
#include "Xbee.h"
#include <string.h>
#include <plib.h>
#include <stdbool.h>
#include <peripheral/uart.h>
#define UART_MODULE_ID2 (UART2)
//#define DESIRED_BAUDRATE (921600)
#define DESIRED_BAUDRATE (115200)
#define Reset_BT (mPORTBClearBits(BIT_9))
void Init_Tab(void)
{
int b;
for(b=0;b<3000;b++)
{
BtBuff[b]=0;
}
I_Read=I_Write=0;
myFirst_Time_Flag =1;
}
void InitBluetooth(void)
{
#if DESIRED_BAUDRATE == 9600
mPORTBSetPinsDigitalOut(BIT_9);
mPORTBSetBits(BIT_9);// BT high level, the reset polarity is active low
mPORTASetPinsDigitalOut(BIT_3);
mPORTASetBits(BIT_3);// Set Baud rate (high = force 9,600, low = 115 K or firmware setting)
mPORTASetPinsDigitalOut(BIT_2);
mPORTASetBits(BIT_2);// Set BT master (high = auto-master mode)
#elif DESIRED_BAUDRATE == 115200
mPORTBSetPinsDigitalOut(BIT_9);
mPORTBSetBits(BIT_9);// BT high level, the reset polarity is active low
mPORTASetPinsDigitalOut(BIT_3);
mPORTAClearBits(BIT_3);// Set Baud rate (high = force 9,600, low = 115 K or firmware setting)
mPORTASetPinsDigitalOut(BIT_2);
mPORTASetBits(BIT_2);// Set BT master (high = auto-master mode)
#elif DESIRED_BAUDRATE ==921600
//nothing
#endif
UARTConfigure(UART_MODULE_ID2, UART_ENABLE_PINS_TX_RX_ONLY|UART_ENABLE_PINS_CTS_RTS);
UARTConfigure(UART_MODULE_ID2, UART_ENABLE_HIGH_SPEED);
UARTSetFifoMode(UART_MODULE_ID2, UART_INTERRUPT_ON_TX_NOT_FULL | UART_INTERRUPT_ON_RX_NOT_EMPTY);
UARTSetLineControl(UART_MODULE_ID2, UART_DATA_SIZE_8_BITS | UART_PARITY_NONE | UART_STOP_BITS_1);
UARTSetDataRate(UART_MODULE_ID2, GetPeripheralClock(), DESIRED_BAUDRATE);
UARTEnable(UART_MODULE_ID2, UART_ENABLE_FLAGS(UART_PERIPHERAL | UART_RX | UART_TX));
// Configure UART RX Interrupt
INTEnable(INT_SOURCE_UART_RX(UART_MODULE_ID2), INT_ENABLED);
INTSetVectorPriority(INT_VECTOR_UART(UART_MODULE_ID2), INT_PRIORITY_LEVEL_2);
INTSetVectorSubPriority(INT_VECTOR_UART(UART_MODULE_ID2), INT_SUB_PRIORITY_LEVEL_1);
// Enable multi-vector interrupts
//WriteStringXbee("*** UART Bluetooth demarre ***\r\n");
}
void WriteStringBluetooth(const char *string)
{
while(*string != '\0')
{
while(!UARTTransmitterIsReady(UART_MODULE_ID2));
UARTSendDataByte(UART_MODULE_ID2, *string);
string++;
while(!UARTTransmissionHasCompleted(UART_MODULE_ID2));
}
}
void WriteStringBluetooth2(const char *string)
{
int i=0;
while(i<17)
{
while(!UARTTransmitterIsReady(UART_MODULE_ID2));
UARTSendDataByte(UART_MODULE_ID2, *string);
string++;
i++;
while(!UARTTransmissionHasCompleted(UART_MODULE_ID2));
}
}
void PutCharacterBluetooth(const char character)
{
while(!UARTTransmitterIsReady(UART_MODULE_ID2));
UARTSendDataByte(UART_MODULE_ID2, character);
while(!UARTTransmissionHasCompleted(UART_MODULE_ID2));
}
void __ISR(_UART_2_VECTOR, ipl2) IntUart2Handler(void)
{
// Is this an RX interrupt?
if(INTGetFlag(INT_SOURCE_UART_RX(UART_MODULE_ID2)))
{
#ifdef DEBUG
PutCharacterXbee(UARTGetDataByte(UART_MODULE_ID2));
#endif
INTClearFlag(INT_SOURCE_UART_RX(UART_MODULE_ID2));
}
// We don't care about TX interrupt
if (INTGetFlag(INT_SOURCE_UART_TX(UART_MODULE_ID2)))
{
INTClearFlag(INT_SOURCE_UART_TX(UART_MODULE_ID2));
}
}