void force_external(void){ led(Top, false); led(Middle, true); led(Bottom, true); setup_TI_CDCE18005(Secondary_Ext); // Set PPS to External PORTA &= ~(1<<PA6); }
void Force_External(){ led(Top, Off); led(Middle, On); led(Bottom, On); setup_TI_CDCE18005(Secondary_Ext); // Set PPS to External PORTA &= ~(1<<PA6); }
void force_internal(void){ led(Top,true); led(Middle,false); led(Bottom,true); setup_TI_CDCE18005(Primary_GPS); // Set PPS to Primary (1) n.b.: "1" in general means "Internal" for all // such signals PORTA |= (1<<PA6); }
void Force_Internal(){ led(Top,On); led(Middle,Off); led(Bottom,On); setup_TI_CDCE18005(Primary_GPS); // Set PPS to Primary (1) n.b.: "1" in general means "Internal" for all // such signals PORTA |= (1<<PA6); }
void Setup_Atmel_IO_Ports() { /* * PORT A * * pin# Sig Our Functional Name * * p51 PA0 CLK_CDCE to U205 pin 24 -- L-->H edge latches MOSI and MISO in CDCE18005 * p50 PA1 CE_CDCE Low = Chip Enabled for SPI comm to U205 pin 25 * p49 PA2 MOSI_CDCE Goes to CDCE18005 - U205 pin 23 * p48 PA3 MISO_CDCE Input Comes from U205 pin 22 * p47 PA4 PD_CDCE Low = Chip is in Power-Down state; is Hi for normal operation U205 pin 12 * p46 PA5 SYNC_CDCE Low = Chip is sync'd with interal dividers; Hi for normal operation U205 pin 14 * p45 PA6 PPS_SEL Low --> PPS_EXT selected; Hi -> PPS_GPS selected; to U203 pin 1 * p44 PA7 gps_lock Input Comes from M9107 - U206 pin 3 * */ // /pd_cdcd, /sync_code, /ce need to be 1 (disabled) to start // all bits are outputs, except PA7 (gps_lock) and PA3 (MISO_CDCE) are inputs PORTA = Bits_8(00110010); DDRA = 1<<DDA6 | 1<<DDA5 | 1<<DDA4 | 1<<DDA2 | 1<<DDA1 | 1<<DDA0; /* * Port B * * pin# Sig Our Functional Name * * p10 PB0 Ethernet /SEN * p11 PB1 Ethernet SCLK * p12 PB2 Ethernet MOSI * p13 PB3 Ethernet MISO * p14 PB4 Not connected, set as output with value 0 * p15 PB5 Ethernet /RESET -- Set to HI for normal use, weak input * p16 PB6 Ethernet /WOL --- Wake on LAN -- set, weak input * p17 PB7 Not connected, set as output with value 0 * */ PORTB = Bits_8(01100001); // Initial Value is all zeros DDRB = 1<<DDB2 | 1<<DDB4 | 1<<DDB7; // MOSI is an output; the Not Connected pins are also outputs /* * Port C * * pin# Sig Our Functional Name * * p34 PC0 Not connected, set as output with value 0 * p35 PC1 Reference Select Switch INPUT * p36 PC2 Not connected, set as output with value 0 * p37 PC3 Not connected, set as output with value 0 * p38 PC4 Not connected, set as output with value 0 * p40 PC5 "Top LED" of D103 3-stack of green LEDs * p41 PC6 "Middle LED" * p43 PC7 "Bottom LED" * */ PORTC = 0; // Initial Value is all zeros DDRC = ~( 1<<DDC1 ); // All bits are outputs, except PC1. including the 5 Not Connected bits /* * Port D * * pin# Sig Our Functional Name * * p25 PD0 Ethernet /INT input * p26 PD1 GPS NMEA bit, output * p27 PD2 GPS Serial Out (RXD; INT1) INPUT * p28 PD3 GPS Serial In (TXD) OUTPUT * p29 PD4 GPS Present, INPUT hi = Present * p30 PD5 Not connected, set as output with value 0 * p31 PD6 Not connected, set as output with value 0 * p32 PD7 Not connected, set as output with value 0 * */ PORTD = 0; // Initial Value is all zeros DDRD = 1<<DDD3; /* * Port E * * pin# Sig Dir Our Functional Name * * p2 PE0 In avr_rxd (Also MOSI [PDI] when used for SPI programming of the chip) * p3 PE1 Out avr_txd (Also MISO [PDO] when used for SPI programming of the chip) * p4 PE2 In avr_cts * p5 PE3 Out avr_rts * p6 PE4 In PPS_GPS * p7 PE5 In PPS_EXT_n * p8 PE6 In Not Connected * p9 PE7 In Not Connected * */ PORTE = 0; DDRE = 1<<DDE1; // make outputs, set to zero. PE1 is usart0 TXD /* * Port F * * Split into 2 nibbles; goes to Amp/Filter board to select ENABLE and two bits * to select band one bit per nibble is not connected. * * pin Sig Dir Our Functional Name * * p61 PF0 Out J117 pin 3 (J117 pins 1 and 2 are GND) * p60 PF1 Out J117 pin 4 * p59 PF2 Out J117 pin 5 * p58 PF3 Out J117 pin 6 * p57 PF4 Out J118 pin 3 (J118 pins 1 and 2 are GND) * p56 PF5 Out J118 pin 4 * p55 PF6 Out J118 pin 5 * p54 PF7 Out J118 pin 6 * */ PORTF = 0; // Initial Value is all zeros; be sure ENABLE bits are active high!!!! DDRF = 0xff; // All bits are outputs led(Middle,On); setup_TI_CDCE18005(Primary_GPS); // 10 MHz from Internal Source led(Top,On); PORTA |= (1<<PA6); // PPS from Internal source }