Diff: LPC2300_HAL.h

Revision:

0:82220227f4fa

Child:

1:6b7f447ca868

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LPC2300_HAL.h	Tue Apr 08 14:12:21 2008 +0000
@@ -0,0 +1,412 @@
+/* mbed Microcontroller Library - LPC2300 HAL
+ * Copyright (c) 2007-2008, sford
+ *
+ * This should be anything specific to abstraction the LPC2300
+ *
+ * The HAL has no state associated with it. It is just a nice way to poke registers	
+ * It is still specific to the chip, but a neat interface and a bit more general
+ * it is subject ot change and not exposed to the general user
+ */
+ 
+#ifndef MBED_LPC2300_HAL_H
+#define MBED_LPC2300_HAL_H
+
+#include "LPC23xx.h"
+
+namespace LPC2300 {
+
+/* Section: LPC2300 */
+
+//===================================================================
+// General
+//===================================================================
+
+typedef volatile unsigned int reg32;
+
+#define NOT_CONNECTED (-1)
+
+//===================================================================
+// Pin Connect Block
+//===================================================================
+
+/* Function: pin_function
+ *  Set the port function (0-3)
+ */
+void pin_function(int port, int function);
+
+/* Function: pin_pullup
+ *  Set the port resistor to pullup
+ */
+void pin_pullup(int port);
+
+/* Function: pin_pulldown
+ *  Set the port resistor to pulldown
+ */
+void pin_pulldown(int port);
+
+/* Function: pin_pullnone
+ *  Set the port resistor to none
+ */
+void pin_pullnone(int port);
+
+//===================================================================
+// GPIO
+//===================================================================
+
+struct GPIORF {
+	volatile unsigned int dir; 	// 0x00
+	volatile unsigned int _nc;	// 0x04
+	volatile unsigned int _nc2;	// 0x08
+	volatile unsigned int _nc3;	// 0x0C
+	volatile unsigned int mask;	// 0x10
+	volatile unsigned int pin;	// 0x14
+	volatile unsigned int set;	// 0x18
+	volatile unsigned int clr;	// 0x1C
+};	
+
+/* Function: gpio_input
+ *  Set the port GPIO as an input
+ */
+void gpio_input(int port);
+
+/* Function: gpio_output
+ *  Set the port GPIO as an output
+ */
+void gpio_output(int port);
+
+/* Function: gpio_write
+ *  Write a value to the GPIO port (v & 1)
+ */
+void gpio_write(int port, int v);
+
+/* Function: gpio_read
+ *  Read a value from the GPIO port (0 or 1)
+ */
+int gpio_read(int port);
+
+//===================================================================
+// GPIO IRQs
+//===================================================================
+
+struct GPIOInterruptsRF {
+	reg32 StatR;	// 0x00
+	reg32 StatF;	// 0x04
+	reg32 Clr;		// 0x08
+	reg32 EnR;		// 0x0C
+	reg32 EnF;		// 0x10
+};	
+
+/* Function: gpio_irq_enable_rising
+ *  Enable the rising edge interrupt
+ */
+void gpio_irq_enable_rising(int port);		
+
+/* Function: gpio_irq_enable_falling
+ *  Enable the falling edge interrupt
+ */
+void gpio_irq_enable_falling(int port);
+
+/* Function: gpio_irq_disable_rising
+ *  Disable the rising edge interrupt
+ */
+void gpio_irq_disable_rising(int port);
+
+/* Function: gpio_irq_disable_falling
+ *  Disable the falling edge interrupt
+ */
+void gpio_irq_disable_falling(int port);
+
+/* Function: gpio_irq_clear
+ *  Clear rising and falling interrupt for the port
+ */
+void gpio_irq_clear(int port);
+
+int gpio_irq_pending();
+int gpio_irq_pending_rising(int port);
+int gpio_irq_pending_falling(int port);
+
+//===================================================================
+// Analog-to-Digital Converter
+//===================================================================
+
+/* Function: adc_poweron
+ *  Turn on the ADC
+ */
+void adc_poweron();
+
+/* Function: adc_poweroff
+ *  Turn off the ADC
+ */
+void adc_poweroff();
+
+/* Function: adc_init
+ *  Setup the ADC ready for reading
+ */
+void adc_init();
+
+/* Function: adc_read
+ *  Read the value of the ADC (10-bit, id 0-5)
+ */
+int adc_read(int id);
+
+//===================================================================
+// Digital-to-Analog Converter
+//===================================================================
+
+/* Function: dac_poweron
+ *  Turn on the DAC
+ */
+void dac_poweron();
+
+/* Function: dac_poweroff
+ *  Turn off the DAC
+ */
+void dac_poweroff();
+
+/* Function: dac_init
+ *  Setup the DAC ready for writinbg
+ */
+void dac_init();
+
+/* Function: dac_write
+ *  Write a value to the DAC (10-bit)
+ */
+void dac_write(int value);
+
+/* Function: dac_read
+ *  Read the value currently set as the DAC output (10-bit)
+ */
+int dac_read();
+
+//===================================================================
+// PWM
+//===================================================================
+
+struct LPC2368_PWM_RF {
+	reg32 IR;  // 0x00 - Interrupt Register
+	reg32 TCR; // 0x04 - Timer Control Register
+	reg32 TC;  // 0x08 - Timer Counter
+	reg32 PR;  // 0x0C - Prescale Register
+	reg32 PC;  // 0x10 - Prescale Counter
+	reg32 MCR; // 0x14 - Match Control Register
+	reg32 MR0; // 0x18 - Match Register 0
+	reg32 MR1; // 0x1C - Match Register 1
+	reg32 MR2; // 0x20 - Match Register 2
+	reg32 MR3; // 0x24 - Match Register 3
+	reg32 CCR; // 0x28 - Capture Control Register
+	reg32 CR0; // 0x2C - Capture Register 1
+	reg32 CR1; // 0x30 - Capture Register 2
+	reg32 CR2; // 0x34 - Capture Register 3
+	reg32 CR3; // 0x38 - Capture Register 4
+	reg32 EMR; // 0x3C - External Match Register
+	reg32 MR4; // 0x40 - Match Register 4
+	reg32 MR5; // 0x44 - Match Register 5
+	reg32 MR6; // 0x48 - Match Register 6
+	reg32 PCR; // 0x4C - PWM Control Register
+	reg32 LER; // 0x50 - Load Enable Register
+	reg32 _nc[7]; // 0x54-0x6C
+	reg32 CTCR; // 0x70 - Count Control Register
+};
+
+#define LPC2368_PWM  ((LPC2368_PWM_RF*)0xE0018000)
+
+#define TCR_CNT_EN	(1 << 0)
+#define TCR_RESET	(1 << 1)
+#define TCR_PWM_EN	(1 << 3)
+
+//===================================================================
+// SPI Master (SSP)
+//===================================================================
+
+struct SPIRF {
+	reg32 CR0; 		// 0x00
+	reg32 CR1;		// 0x04
+	reg32 DR;		// 0x08
+	reg32 SR;		// 0x0C
+	reg32 CPSR;		// 0x10
+	reg32 IMSC;		// 0x14
+	reg32 RIS;		// 0x18
+	reg32 MIS;		// 0x1C
+	reg32 ICR;		// 0x20
+	reg32 DMACR;	// 0x24
+};	
+
+void ssp_format(int id, int bits, int phase, int polarity);
+void ssp_frequency(int id, int hz);
+void ssp_enable(int id);
+void ssp_disable(int id);
+
+
+int  ssp_read(int id);
+void ssp_write(int id, int value);
+int  ssp_readable(int id);
+int  ssp_writeable(int id);
+
+void ssp_poweron(int id);
+void ssp_poweroff(int id);
+
+/*
+int  ssp_busy(int id);
+void ssp_clear(int id);
+*/
+
+
+//===================================================================
+// Uart
+//===================================================================
+
+struct UartRF {
+	union {
+		reg32 RBR; // 0x00 - Receive Buffer Register [DLAB=0]
+		reg32 THR; // 0x00 - Transmit Holding Register [DLAB=0]
+		reg32 DLL; // 0x00 - Divisor Latch (LSB) [DLAB=1]
+	};
+	union {
+		reg32 DLM; // 0x04 - Divisor Latch (MSB) [DLAB=1]
+		reg32 IER; // 0x04 - Interrupt Enable Register [DLAB=0]
+	};
+	union { 
+		reg32 IIR; // 0x08 - Interrupt ID Register
+		reg32 FCR; // 0x08 - Fifo Control Register
+	};
+	reg32 LCR; // 0x0C - Line Control Register
+	reg32 MCR; // 0x10 - Modem Control Register (UART1 only)
+	reg32 LSR; // 0x14 - Line Status Register
+	reg32 MSR; // 0x18 - Modem Status Register (UART1 only)
+	reg32 SCR; // 0x1C - Scratch Pad Register
+	reg32 ACR; // 0x20 - Auto-baud Control Register
+	reg32 ICR; // 0x24 - IrDA Control Register (UART3 only)
+	reg32 FDR; // 0x28 - Fractional Divider Register
+	reg32 _nc; // 0x2C - unused
+	reg32 TER; // 0x30 - Transmit Enable Register
+};	
+
+enum Parity {
+	None = 0,
+	Odd,
+	Even,
+	Forced1,
+	Forced0
+};
+	
+/* Function: uart_poweron
+ *  Turn on the Uart power
+ */	
+void uart_poweron(int id);
+
+/* Function: uart_poweroff
+ *  Turn off the Uart power
+ */	
+void uart_poweroff(int id);
+
+void uart_baud(int id, int baudrate);
+void uart_format(int id, int data_bits, Parity parity, int stop_bits);
+void uart_enable(int id);
+void uart_disable(int id);
+
+int uart_getc(int id);
+void uart_putc(int id, int c);
+int uart_readable(int id);
+int uart_writable(int id);
+
+// I2C
+
+struct I2CRF {
+	reg32 I2CONSET; // 0x00 - I2C Control Set Register
+	reg32 I2STAT;  	// 0x04 - I2C Status Register
+	reg32 I2DAT; 	// 0x08 - I2C Data Register
+	reg32 I2ADR; 	// 0x0C - I2C Slave Address Register
+	reg32 I2SCLH; 	// 0x10 - SCH Duty Cycle Register High
+	reg32 I2SCLL; 	// 0x14 - SCL Duty Cycle Register Low
+	reg32 I2CONCLR; // 0x18 - I2C Control Clear Register
+};	
+
+
+void i2c_poweron(int id);
+void i2c_poweroff(int id);
+void i2c_frequency(int id, int hz);
+void i2c_enable(int id);
+void i2c_conset(int id, int start, int stop, int interrupt, int acknowledge);
+void i2c_conclr(int id, int start, int stop, int interrupt, int acknowledge);
+void i2c_wait_SI(int id);
+void i2c_clear_SI(int id);
+int i2c_status(int id);
+int i2c_start(int id, int address);
+int i2c_write(int id, int value);
+void i2c_stop(int id);
+int i2c_read(int id, int last);
+int i2c_read(int id);
+int i2c_readlast(int id);
+
+// Timer
+
+
+struct TimerRF {
+	reg32 ir;	// 0x00
+	reg32 tcr;	// 0x04
+	reg32 tc;	// 0x08
+	reg32 pr;	// 0x0C
+	reg32 pc;	// 0x10
+	reg32 mcr;	// 0x14
+	reg32 mr0;	// 0x18
+	reg32 mr1;	// 0x1C
+	reg32 mr2;	// 0x20
+	reg32 mr3;	// 0x24
+	reg32 ccr;	// 0x28
+	reg32 cr0;	// 0x2C
+	reg32 cr1;	// 0x30
+	reg32 cr2;	// 0x34
+	reg32 cr3;	// 0x38
+	reg32 emr;	// 0x3C
+	reg32 _nc[12];	// 0x40-0x6C
+	reg32 ctcr;	// 0x70
+};	
+
+/* Function: timer_poweron
+ *  Turn on the Timer power
+ */	
+void timer_poweron(int id);
+
+/* Function: timer_poweroff
+ *  Turn off the Timer power
+ */	
+void timer_poweroff(int id);
+
+void timer_start(int id, int hz);
+int timer_read(int id);
+
+//===================================================================
+// VIC
+//===================================================================
+
+struct VicRF {
+	reg32 IRQStatus;	// 0x000
+	reg32 FIQStatus;	// 0x004
+	reg32 RawIntr;		// 0x008
+	reg32 IntSelect;	// 0x00C
+	reg32 IntEnable;	// 0x010
+	reg32 IntEnClr;		// 0x014
+	reg32 SoftInt;		// 0x018
+	reg32 SoftIntClear;	// 0x01C
+	reg32 Protection;	// 0x020
+	reg32 SWPriorityMask;	// 0x024
+	reg32 _nc[54];		// 0x028-0x0FC
+	reg32 VectAddr[32];	// 0x100-0x17C	
+	reg32 _nc2[32];		// 0x180-0x1FC
+	reg32 VectPriority[32];	// 0x200-0x27C
+	reg32 _nc3[800];		// 0x280-0xEFC
+	reg32 Address;		// 0xF00
+};
+
+void vic_init();
+void vic_vector(int id, void (*fptr)(void) /*__irq*/ , int priority);
+void vic_enable(int id);
+void vic_disable(int id);
+void vic_priority(int id, int priority);
+void vic_acknowledge();
+
+
+
+} // namespace LPC2300
+
+#endif
\ No newline at end of file