Andrew Boyson
Central Heating controller using the real time clock, PHY module for internet, 1-wire interface for temperature sensors, a system log and a configuration file
Dependencies: net 1-wire lpc1768 crypto clock web fram log
/media/uploads/andrewboyson/heating.sch
/media/uploads/andrewboyson/heating.brd
/media/uploads/andrewboyson/eagle.epf
Diff: lpc1768-this/periphs.c
- Revision:
- 53:c1bf7d9db507
- Parent:
- 47:229338b3adcb
- Child:
- 104:46ce1aaf8be7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/lpc1768-this/periphs.c Wed May 01 10:05:00 2019 +0000
@@ -0,0 +1,53 @@
+#define PCONP (*((volatile unsigned *) 0x400FC0C4))
+#define PCLKSEL0 (*((volatile unsigned *) 0x400FC1A8))
+#define PCLKSEL1 (*((volatile unsigned *) 0x400FC1AC))
+#define PINSEL0 (*((volatile unsigned *) 0x4002C000))
+#define PINSEL1 (*((volatile unsigned *) 0x4002C004))
+#define PINSEL2 (*((volatile unsigned *) 0x4002C008))
+#define PINSEL3 (*((volatile unsigned *) 0x4002C00C))
+
+
+void PeriphsInit (void)
+{
+ //Peripheral power - Table 46
+ PCONP = 0;
+ PCONP |= 1 << 1; //TIMER0
+ PCONP |= 1 << 2; //TIMER1
+ PCONP |= 1 << 3; //UART0
+ PCONP |= 1 << 9; //RTC
+ PCONP |= 1 << 10; //SSP1
+ PCONP |= 1 << 15; //GPIO
+ PCONP |= 1 << 16; //RIT
+ PCONP |= 1 << 30; //ENET
+
+ //Peripheral clock must be selected before PLL0 enabling and connecting; default is 00 divide by 4; need 01 to have divide by 1
+ PCLKSEL0 = 0;
+ PCLKSEL0 |= 1 << 2; //TIM0
+ PCLKSEL0 |= 1 << 4; //TIM1
+ PCLKSEL0 |= 1 << 6; //UART0
+ PCLKSEL0 |= 1 << 20; //SSP1
+
+ //Pin functions table 80.
+ PINSEL0 = 0;
+ PINSEL0 |= 1U << 4; //P0.02 01 TXD0 UART0
+ PINSEL0 |= 1U << 6; //P0.03 01 RXD0 UART0
+ PINSEL0 |= 2U << 14; //P0.07 10 SCK1 SSP1
+ PINSEL0 |= 2U << 16; //P0.08 10 MISO1 SSP1
+ PINSEL0 |= 2U << 18; //P0.09 10 MOSI1 SSP1
+
+ PINSEL1 = 0;
+
+ PINSEL2 = 0;
+ PINSEL2 |= 1U << 0; //P1.00 01 ENET_TXD0
+ PINSEL2 |= 1U << 2; //P1.01 01 ENET_TXD1
+ PINSEL2 |= 1U << 8; //P1.04 01 ENET_TX_EN
+ PINSEL2 |= 1U << 16; //P1.08 01 ENET_CRS
+ PINSEL2 |= 1U << 18; //P1.09 01 ENET_RXD0
+ PINSEL2 |= 1U << 20; //P1.10 01 ENET_RXD1
+ PINSEL2 |= 1U << 28; //P1.14 01 ENET_RX_ER
+ PINSEL2 |= 1U << 30; //P1.15 01 ENET_REF_CLK
+
+ PINSEL3 = 0;
+ PINSEL3 |= 1U << 0; //P1.16 01 ENET_MDC
+ PINSEL3 |= 1U << 2; //P1.17 01 ENET_MDIO
+}