VZTECH / Mbed 2 deprecated main_src

Modularizando o src

Dependencies:   EALib EthernetInterface_vz mbed-rtos mbed

Fork of header_main_colinas_V0-20-09-14 by VZTECH

parallelcpld.cpp@74:81c47fff88a5, 2014-11-24 (annotated)

Committer:
klauss
Date:
Mon Nov 24 16:43:16 2014 +0000
Revision:
74:81c47fff88a5
Parent:
72:895ca792c647
Child:
81:3656f00ab3db
validando organiza??o de arquivos | ainda em desenvolvimento.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
klauss 0:4d17cd9c8f9d 1 #include "parallelcpld.h"
klauss 0:4d17cd9c8f9d 2
klauss 74:81c47fff88a5 3 DigitalOut data0(p30); //LSB
klauss 74:81c47fff88a5 4 DigitalOut data1(p31);
klauss 74:81c47fff88a5 5 DigitalOut data2(p32);
klauss 74:81c47fff88a5 6 DigitalOut data3(p33);
klauss 74:81c47fff88a5 7 DigitalOut data4(p34);
klauss 74:81c47fff88a5 8 DigitalOut data5(p37);
klauss 74:81c47fff88a5 9 DigitalOut data6(p38);
klauss 74:81c47fff88a5 10 DigitalOut data7(p39); //MSB
klauss 74:81c47fff88a5 11
klauss 74:81c47fff88a5 12 DigitalOut DataReady(p11);
klauss 74:81c47fff88a5 13 ///<IO 27
klauss 74:81c47fff88a5 14
klauss 74:81c47fff88a5 15 uint8_t cb_tx_buffer[ __CB_BUFFER_SIZE__ ];
klauss 74:81c47fff88a5 16
klauss 74:81c47fff88a5 17 uint8_t TXBuffer[ __CB_BUFFER_SIZE__ ];
klauss 74:81c47fff88a5 18
klauss 72:895ca792c647 19 uint8_t tx_clear = 1;
klauss 0:4d17cd9c8f9d 20
klauss 74:81c47fff88a5 21 ring_buffer * rb = ring_buffer_init( NULL );
klauss 74:81c47fff88a5 22 ring_buffer test;
klauss 74:81c47fff88a5 23
klauss 72:895ca792c647 24 // Print a variable using parallel protocol
klauss 72:895ca792c647 25 void parallel_write( uint8_t data ){
klauss 72:895ca792c647 26 data0 = BIT0&(data);
klauss 72:895ca792c647 27 data1 = BIT1&(data);
klauss 72:895ca792c647 28 data2 = BIT2&(data);
klauss 72:895ca792c647 29 data3 = BIT3&(data);
klauss 72:895ca792c647 30 data4 = BIT4&(data);
klauss 72:895ca792c647 31 data5 = BIT5&(data);
klauss 72:895ca792c647 32 data6 = BIT6&(data);
klauss 72:895ca792c647 33 data7 = BIT7&(data);
klauss 0:4d17cd9c8f9d 34 }
klauss 0:4d17cd9c8f9d 35
klauss 72:895ca792c647 36 // Needs: function parallel_write/ Global variables: TXBuffer, tx_clear / Configuration extern interrupt
klauss 74:81c47fff88a5 37 void send2callboxes( uint8_t * buffer ){
klauss 72:895ca792c647 38 // Send the first position of TXBuffer first
klauss 72:895ca792c647 39 if( tx_clear == 1 ){
klauss 74:81c47fff88a5 40 tx_clear = 0;
klauss 74:81c47fff88a5 41 xmemcpy( TXBuffer, buffer, __CB_BUFFER_SIZE__ );
klauss 74:81c47fff88a5 42 parallel_write( TXBuffer[ 0 ] );
klauss 74:81c47fff88a5 43 DataReady = 1;
klauss 74:81c47fff88a5 44 xmemcpy( cb_tx_buffer, buffer, __CB_BUFFER_SIZE__ );
klauss 72:895ca792c647 45 }else{
klauss 72:895ca792c647 46 // Error if the transmission is still in use
klauss 74:81c47fff88a5 47 uint8_t ret = ring_buffer_add( rb, buffer );
klauss 74:81c47fff88a5 48
klauss 74:81c47fff88a5 49 if( ret == 0x01 ) if( dparallel ) send_msg("Error: Ring buffer fully charged");
klauss 74:81c47fff88a5 50
klauss 74:81c47fff88a5 51 if( ret == 0x00 ) if( dparallel ) send_msg("Success : package queued -- on queue %u", rb->size );
klauss 72:895ca792c647 52 }
klauss 0:4d17cd9c8f9d 53 }
klauss 0:4d17cd9c8f9d 54
klauss 0:4d17cd9c8f9d 55 //*****************************************************************************
klauss 0:4d17cd9c8f9d 56 // EXTERN IRQ Handler
klauss 0:4d17cd9c8f9d 57 //*****************************************************************************
klauss 0:4d17cd9c8f9d 58
klauss 72:895ca792c647 59 void get2(){
klauss 72:895ca792c647 60 static uint16_t c = 1;
klauss 72:895ca792c647 61 // Get Ready the new data
klauss 72:895ca792c647 62 DataReady = 0;
klauss 0:4d17cd9c8f9d 63 tx_clear = 0;
klauss 72:895ca792c647 64
klauss 72:895ca792c647 65 if ( c < 300 ){
klauss 72:895ca792c647 66 // Write the next data to be send
klauss 72:895ca792c647 67 parallel_write ( TXBuffer[c] ) ;
klauss 72:895ca792c647 68 // Allow the data to be capture
klauss 72:895ca792c647 69 DataReady = 1;
klauss 0:4d17cd9c8f9d 70 }else{
klauss 72:895ca792c647 71 // Allow the next package to the transmitted
klauss 72:895ca792c647 72 tx_clear = 1;
klauss 72:895ca792c647 73 c = 0;
klauss 72:895ca792c647 74 }
klauss 0:4d17cd9c8f9d 75 c++;
klauss 74:81c47fff88a5 76 }
klauss 74:81c47fff88a5 77
klauss 74:81c47fff88a5 78 void tx_buffer_ring_buffer_handler( void ){
klauss 74:81c47fff88a5 79 if( ( rb->size != 0x00 ) && ( tx_clear == 1 ) ){
klauss 74:81c47fff88a5 80 uint8_t buffer[ __CB_BUFFER_SIZE__ ];
klauss 74:81c47fff88a5 81 uint8_t * _rb_next = ring_buffer_get_next( rb );
klauss 74:81c47fff88a5 82 xmemcpy( buffer, _rb_next, __CB_BUFFER_SIZE__ );
klauss 74:81c47fff88a5 83 if( dparallel ) send_msg( "Ring Buffer less one -- remain %u", rb->size );
klauss 74:81c47fff88a5 84 send2callboxes( buffer );
klauss 74:81c47fff88a5 85 }
klauss 0:4d17cd9c8f9d 86 }