Andrew Boyson / gps

A GPS disciplined clock

Dependencies:   net lpc1768 crypto clock web log

lpc1768-this/periphs.c@93:2cce06dd2bcc, 2020-04-03 (annotated)

Committer:
andrewboyson
Date:
Fri Apr 03 08:15:37 2020 +0000
Revision:
93:2cce06dd2bcc
Parent:
59:d2d25c2265f8 
Increased NMEA confidence delay from 10 to 20 minutes after an incident where it took 13 minutes to settle.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 4:108157115360 1 #define PCONP (*((volatile unsigned *) 0x400FC0C4))
andrewboyson 4:108157115360 2 #define PCLKSEL0 (*((volatile unsigned *) 0x400FC1A8))
andrewboyson 4:108157115360 3 #define PCLKSEL1 (*((volatile unsigned *) 0x400FC1AC))
andrewboyson 4:108157115360 4 #define PINSEL0 (*((volatile unsigned *) 0x4002C000))
andrewboyson 4:108157115360 5 #define PINSEL1 (*((volatile unsigned *) 0x4002C004))
andrewboyson 4:108157115360 6 #define PINSEL2 (*((volatile unsigned *) 0x4002C008))
andrewboyson 4:108157115360 7 #define PINSEL3 (*((volatile unsigned *) 0x4002C00C))
andrewboyson 4:108157115360 8
andrewboyson 0:67724a462d86 9
andrewboyson 0:67724a462d86 10 void PeriphsInit (void)
andrewboyson 0:67724a462d86 11 {
andrewboyson 0:67724a462d86 12 //Peripheral power - Table 46
andrewboyson 4:108157115360 13 PCONP = 0;
andrewboyson 4:108157115360 14 PCONP |= 1 << 1; //TIMER0
andrewboyson 4:108157115360 15 PCONP |= 1 << 3; //UART0
andrewboyson 4:108157115360 16 PCONP |= 1 << 4; //UART1
andrewboyson 4:108157115360 17 PCONP |= 1 << 9; //RTC
andrewboyson 4:108157115360 18 PCONP |= 1 << 10; //SSP1
andrewboyson 4:108157115360 19 PCONP |= 1 << 15; //GPIO
andrewboyson 4:108157115360 20 PCONP |= 1 << 30; //ENET
andrewboyson 4:108157115360 21
andrewboyson 4:108157115360 22 //Peripheral clock must be selected before PLL0 enabling and connecting; default is 00 divide by 4; need 01 to have divide by 1
andrewboyson 4:108157115360 23 PCLKSEL0 = 0;
andrewboyson 4:108157115360 24 PCLKSEL0 |= 1 << 2; //TIM0
andrewboyson 4:108157115360 25 PCLKSEL0 |= 1 << 6; //UART0
andrewboyson 4:108157115360 26 PCLKSEL0 |= 1 << 8; //UART1
andrewboyson 4:108157115360 27 PCLKSEL0 |= 1 << 20; //SSP1
andrewboyson 0:67724a462d86 28
andrewboyson 4:108157115360 29 //Pin functions table 80.
andrewboyson 4:108157115360 30 PINSEL0 = 0;
andrewboyson 4:108157115360 31 PINSEL0 |= 1U << 4; //P0.02 01 TXD0 UART0
andrewboyson 4:108157115360 32 PINSEL0 |= 1U << 6; //P0.03 01 RXD0 UART0
andrewboyson 4:108157115360 33 PINSEL0 |= 2U << 14; //P0.07 10 SCK1 SSP1
andrewboyson 4:108157115360 34 PINSEL0 |= 2U << 16; //P0.08 10 MISO1 SSP1
andrewboyson 4:108157115360 35 PINSEL0 |= 2U << 18; //P0.09 10 MOSI1 SSP1
andrewboyson 4:108157115360 36 PINSEL0 |= 1U << 30; //P0.15 01 TXD1 UART1
andrewboyson 4:108157115360 37
andrewboyson 4:108157115360 38 PINSEL1 = 0;
andrewboyson 4:108157115360 39 PINSEL1 |= 1U << 0; //P0.16 01 RXD1 UART1
andrewboyson 4:108157115360 40
andrewboyson 4:108157115360 41 PINSEL2 = 0;
andrewboyson 4:108157115360 42 PINSEL2 |= 1U << 0; //P1.00 01 ENET_TXD0
andrewboyson 4:108157115360 43 PINSEL2 |= 1U << 2; //P1.01 01 ENET_TXD1
andrewboyson 4:108157115360 44 PINSEL2 |= 1U << 8; //P1.04 01 ENET_TX_EN
andrewboyson 4:108157115360 45 PINSEL2 |= 1U << 16; //P1.08 01 ENET_CRS
andrewboyson 4:108157115360 46 PINSEL2 |= 1U << 18; //P1.09 01 ENET_RXD0
andrewboyson 4:108157115360 47 PINSEL2 |= 1U << 20; //P1.10 01 ENET_RXD1
andrewboyson 4:108157115360 48 PINSEL2 |= 1U << 28; //P1.14 01 ENET_RX_ER
andrewboyson 4:108157115360 49 PINSEL2 |= 1U << 30; //P1.15 01 ENET_REF_CLK
andrewboyson 4:108157115360 50
andrewboyson 4:108157115360 51 PINSEL3 = 0;
andrewboyson 4:108157115360 52 PINSEL3 |= 1U << 0; //P1.16 01 ENET_MDC
andrewboyson 4:108157115360 53 PINSEL3 |= 1U << 2; //P1.17 01 ENET_MDIO
andrewboyson 0:67724a462d86 54 }