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#include "LMS7002_REGx51.h"
#include "spi.h"
#include "lms7002m_calibrations.h"
#include "lms7002m_filters.h"
#include "LMS7002M_parameters_compact.h"
#include "lms7002m_controls.h"
#include "typedefs.h"
bool stopProcedure = false;
bool hasStopped = true;
bool runProcedure = false;
uint8_t currentInstruction;
extern float_type RefClk;
extern float_type bandwidthRF;
extern uint8_t extLoopbackPair;
#define MCU_PARAMETER_ADDRESS 0x002D //register used to pass parameter values to MCU
#define INPUT_COUNT 3
uint8_t inputRegs[INPUT_COUNT];
enum
{
MCU_WORKING = 0xFF,
MCU_IDLE = 0x00,
};
/** @brief Reads reference clock from LMS register
*/
void UpdateFreq(bool refClk)
{
const float freq = 1e6*(inputRegs[0] + ((((uint16_t)inputRegs[1] << 8) | inputRegs[2]) / 1000.0)); //integer part MHz
if(refClk)
RefClk = freq;
else
bandwidthRF = freq;
P1 = MCU_IDLE;
}
void ext2_int() interrupt 7
{
uint8_t i;
P1 = MCU_WORKING;
for(i=INPUT_COUNT-1; i>0; --i)
inputRegs[i] = inputRegs[i-1];
inputRegs[0] = P0;
P1 = MCU_IDLE;
}
void ext3_int() interrupt 8
{
P1 = MCU_WORKING;
currentInstruction = P0;
stopProcedure = true;
runProcedure = true;
}
const uint16_t proxyRegAddr = 0x002D;
const uint16_t proxyWrValue = 0x020C;
const uint16_t proxyRdValue = 0x040B;
uint8_t ProxyWrite()
{
uint16_t addr;
uint16_t wrValue;
P1 = MCU_WORKING;
addr = SPI_read(proxyRegAddr);
wrValue = SPI_read(proxyWrValue);
SPI_write_slow(addr, wrValue);
return MCU_IDLE;
}
uint8_t ProxyRead()
{
uint16_t addr;
uint16_t rdValue;
P1 = MCU_WORKING;
addr = SPI_read(proxyRegAddr);
rdValue = SPI_read_slow(addr);
SPI_write(proxyRdValue, rdValue);
return MCU_IDLE;
}
/*
P1[7] : 0-MCU idle, 1-MCU_working
P1[6:0] : return status (while working = 0x3F)
*/
void main() //main routine
{
SP=0xD0; // Set stack pointer
DIR0=0x00; // ;DIR0 - Configure P0 as all inputs
DIR1=0xFF; // ;DIR1 - Configure P1 as all outputs
P1 = MCU_IDLE;
DIR2=0x07; // ;DIR2 - Configure P2_3 is input
IEN1=0xFF;//0x04; //EX2=1 enable external interrupt 2
IEN0=0x80;
TMOD = 0x01; // timer0 16-bit
ucSCLK=0; //repairs external SPI
ucSEN=1;//
//P1 returns MCU status
while(1)
{
if(runProcedure)
{
switch(currentInstruction)
{
case 0:
runProcedure = false;
while(!hasStopped);
P1 = MCU_IDLE;
break;
case 1: //CalibrateTx
P1 = MCU_IDLE | CalibrateTx(false);
break;
case 2: //CalibrateRx
P1 = MCU_IDLE | CalibrateRx(false, false);
break;
case 3:
UpdateFreq(0);
//UpdateBW();
break;
case 4: //update ref clk
//UpdateReferenceClock();
UpdateFreq(1);
break;
case 5:
P1 = TuneRxFilter(bandwidthRF);
break;
case 6:
P1 = TuneTxFilter(bandwidthRF);
break;
case 7:
P1 = ProxyWrite();
break;
case 8:
P1 = ProxyRead();
break;
case 9:
extLoopbackPair = inputRegs[0];
P1 = MCU_IDLE;
break;
case 10:
P1 = MCU_IDLE;
stopProcedure = false;
P1 = RunAGC(((uint32_t)SPI_read(MCU_PARAMETER_ADDRESS))<<2);
break;
case 17: //CalibrateTx
P1 = MCU_IDLE | CalibrateTx(true);
break;
case 18: //CalibrateRx
P1 = MCU_IDLE | CalibrateRx(true, false);
break;
case 255: //return program ID
P1 = 0x05;
break;
}
runProcedure = false;
}
}
}
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