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Rolling buffer mechanism for Tx mode of ADF7023..Without any comments
Diff: main.cpp
- Revision:
- 0:d53780574d21
- Child:
- 1:45b03e6a9c06
diff -r 000000000000 -r d53780574d21 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Jul 09 05:20:28 2015 +0000 @@ -0,0 +1,360 @@ +#include "mbed.h" +#include <iostream> +#include <stdio.h> +using namespace std; +#include <bitset> +#define ENDL "\r" << endl; +#define START_ADDRESS 0x020; +#define PI 3.14 +SPI adf(PTA16, PTA17, PTA15); +//MOSI, MISO, CLOCK +DigitalOut CS(D10); +//DigitalOut CS(PTD4);//D10==PTD4 +Serial PC(USBTX, USBRX); +DigitalOut ledr(LED1); +DigitalOut led2(LED2); +InterruptIn IRQ(D8); +//InterruptIn IRQ(PTA13);//D8==PTA13 +Ticker ticker; +//Timer t; +//Timer stop; +int x=IRQ; +int src=0; +int irqsrc = 0; +int j = 0; +int k = 0; +int irq1=0; +int r = 0; +unsigned char 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+int a[100]; +int b[100]; +int c[100]; + +#define SPI_NOP 0xFF +/***********************************************************************************/ +void bbram_write() +{ + CS=0; + adf.write(0xB0);//PHY_OFF + wait_ms(2); + CS=1; + + // Write bbram + CS=0; + adf.write(0x19); + adf.write(0x00); + adf.write(0x60); + adf.write(0x00); + + adf.write(0x00); + adf.write(0x00); + adf.write(0x00); + adf.write(0x00); + + adf.write(0x00); + adf.write(0x33); + adf.write(0x00); + adf.write(0xF4);//Frequency Register F9 = 435.802 MHz F4 = 435.800 MHz + + adf.write(0xC2); + adf.write(0x10); + adf.write(0xC0); + adf.write(0x00); + + adf.write(0x30); + adf.write(0x31); + adf.write(0x07); + adf.write(0x00); + + adf.write(0x01); + adf.write(0x00); + adf.write(0x7F); + adf.write(0x00); + + adf.write(0x0B); + adf.write(0x37); + adf.write(0x00); + adf.write(0x00); + + adf.write(0x40); + adf.write(0x0C); + adf.write(0x00); + adf.write(0x05); + + adf.write(0x00); + adf.write(0x00); + adf.write(0x18); + adf.write(0x12); + + adf.write(0x34); + adf.write(0x56); + adf.write(0x10); + adf.write(0x10); + + adf.write(0xC4); // Different + adf.write(0x14); + adf.write(0x00); + adf.write(0x00); + + adf.write(0x00); + adf.write(0x00); + adf.write(0x00); + adf.write(0x00); + + adf.write(0x00); + adf.write(0x00); + adf.write(0x00); + adf.write(0x00); + + adf.write(0x00); + adf.write(0x00); + adf.write(0x00); + adf.write(0x00); + + adf.write(0x00); + adf.write(0x00); + adf.write(0x00); + adf.write(0x00); + + adf.write(0x04); + adf.write(0x00); + adf.write(0x00); + adf.write(0x00); + + adf.write(0x00); + adf.write(0x00); + CS=1; + wait(1); + +} + + +/******************************************************************************************/ + +void initiate(void){ + + CS=0; + adf.write(0xFF); + adf.write(0xFF); + CS=1; + wait_ms(2); + + CS=0; + adf.write(0x08); // TRANSMIT_DATA LENGTH + adf.write(0x14); + adf.write(0xFF); + CS=1; + wait_ms(2); + CS=0; + adf.write(0x08); // TRANSMIT_DATA LENGTH + adf.write(0x15); + adf.write(0xFF); + CS=1; + wait_ms(2); + + CS=0; + adf.write(0x09); + adf.write(0x24); // TX_BASE ADDRESS 0x20(starting Tx Byte) + adf.write(0x20); + CS=1; + wait_ms(2); + + CS=0; + adf.write(0x09); + adf.write(0x37);// BUFFER SIZE 0xE0=224 Bytes 0x137 is adress of buffer size + adf.write(0xE0); + CS=1; + wait_ms(2); + + CS=0; + adf.write(0x09); + adf.write(0x36);//BB_Tx_Buffer Signal when Buffer is half filled + adf.write(0x70);//0x70 = 112 >> When Half buffer interrupt is given + CS=1; + wait_ms(2); + + + CS=0; + adf.write(0x09); + adf.write(0x39);//BB_Tx_Buffer Signal when Buffer is half filled + adf.write(0x10);//0x70 = 112 >> When Half buffer interrupt is given + CS=1; + wait_ms(2); + + } + + + +/*int irq_src(void){ + + adf.write(0x2B); + adf.write(0x36); + adf.write(0xFF); + irqsrc = adf.write(0xFF); + + irqsrc &= 0x60; + if (irqsrc == 0x20) + return 1;//Buffer is almost full + else if (irqsrc == 0x40) + return 2;// Buffer is Full + else + return 0; + } + */ + int p=112; + int count = 0; + int intcount =0; + +void write_data(void){ +// t.reset(); +// count++; +// cout<<"3"<<ENDL; +// ledr=!ledr; +// cout<<"irq detected"<<ENDL; +// src = irq_src(); + p+=112; + + //CS=0; +// adf.write(0x0B);//IRQ_SOURCE_Random write //To read CMD = 2B 36 FF FF +// adf.write(0x36);//Address : 0x336 +// adf.write(0xFF);//Put Low +// CS=1; +// wait_us(80); +// CS=0; +// k=0; + + if(!j){ + adf.write(0x18); + adf.write(0x20); + while(k<=223){ + + adf.write(data[k]); + k++; + } + + } + + else if(k<sizeof(data)){ +// if(src == 1){ + if(j%2){ //src== Buffer Half Full src == 1 + adf.write(0x18); + adf.write(0x20); + } + +// else if(src==2){ + else{ //src== Buffer is Full src==2 + adf.write(0x18); + adf.write(0x90); + } + + + while(k<p){ + adf.write(data[k]); + k++; + + } +// if((k)>=sizeof(data)) +// { +// ticker.detach();//Stop interrupt detection +// cout<<src<<ENDL; +// } + + + } + + else if(k>=(sizeof(data)) ){ + k=0; + j=1; + p=0; +// cout<<count<<" "<<sizeof(data)/112<<ENDL; + } + + + CS=0; + adf.write(0x0B);//IRQ_SOURCE_Random write //To read CMD = 2B 36 FF FF + adf.write(0x36);//Address : 0x336 + adf.write(0xFF);//Put Low + CS=1; + wait_us(80); + CS=0; + +// a[r]=t.read_us(); + j++; +// r++; + CS=1; + wait_us(1); +} + +void Interrupt(){ + x = IRQ; +// intcount++; + if(x) + { + write_data(); + } + } + + + + +void send_data(void){ + + CS=0; + adf.write(0xBB); + CS=1; + wait_ms(2); + + CS=0; + adf.write(0xFF); + adf.write(0xFF); + CS=1; + wait_ms(2); + + write_data(); + + CS=0; + adf.write(0xB1); + CS=1; + wait_ms(2); + + CS=0; + adf.write(0xFF); + adf.write(0xFF); + CS=1; + wait_ms(2); + + CS=0; + adf.write(0xB5); + CS=1; + wait_ms(2); + + CS=0; + adf.write(0xFF); + adf.write(0xFF); + CS=1; + wait_ms(2); + } + + +int main() +{ + adf.format(8,0); + adf.frequency(1000000); + bbram_write(); + initiate(); + send_data(); + cout<<"Work"<<ENDL; + CS=0; + adf.write(0x0B);//IRQ_SOURCE_Random write //To read CMD = 2B 36 FF FF + adf.write(0x36);//Address : 0x336 + adf.write(0xFF);//Put Low Clearing the MCR Value of the Source Register + CS=1; + +// ticker.attach_us(&Interrupt,2000); + while(1) + { +// ledr=!ledr; + Interrupt(); + } + +} \ No newline at end of file