Initial Arduino IDE based on Processing.

build/shared/lib/avrlib/rsl/satmb.c

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+/*! \file satmb.c \brief Satellite Motherboard Driver Functions. */
+//*****************************************************************************
+//
+// File Name	: 'satmb.c'
+// Title		: Satellite Motherboard Driver Functions
+// Author		: Pascal Stang - Copyright (C) 2004
+// Created		: 2004.10.13
+// Revised		: 2004.10.13
+// Version		: 0.1
+// Target MCU	: Atmel AVR series
+// Editor Tabs	: 4
+//
+// This code is distributed under the GNU Public License
+//		which can be found at http://www.gnu.org/licenses/gpl.txt
+//
+//*****************************************************************************
+
+//----- Include Files ---------------------------------------------------------
+#include <avr/io.h>		// include I/O definitions (port names, pin names, etc)
+#include <avr/signal.h>	// include "signal" names (interrupt names)
+#include <avr/interrupt.h>	// include interrupt support
+
+#include "global.h"		// include our global settings
+#include "dallas.h"
+#include "ds2450.h"
+#include "satmb.h"
+#include "dallasids.h"
+
+// globals
+
+// functions
+void satmbInit(void)
+{
+	// preset serial port power to on
+	satmbSetSerialPortPower(1);
+}
+
+void satmbSetSerialPortPower(u08 on)
+{
+	// set I/O control line to output
+	sbi(SATMB_SER_PWR_DDR, SATMB_SER_PWR_PIN);
+	// set serial port power state
+	if(on)
+		sbi(SATMB_SER_PWR_PORT, SATMB_SER_PWR_PIN);
+	else
+		cbi(SATMB_SER_PWR_PORT, SATMB_SER_PWR_PIN);
+}
+
+void satmbSerialRtsCtsInit(void)
+{
+	// initialize RTS/CTS lines for operation
+	// RTS is input, set pullup
+	cbi(SATMB_SER_RTS_DDR, SATMB_SER_RTS_PIN);
+	sbi(SATMB_SER_RTS_PORT, SATMB_SER_RTS_PIN);
+	// CTS is output, init low
+	sbi(SATMB_SER_CTS_DDR, SATMB_SER_CTS_PIN);
+	cbi(SATMB_SER_CTS_PORT, SATMB_SER_CTS_PIN);
+}
+
+u08 satmbSerialRtsCheck(void)
+{
+	if(inb(SATMB_SER_RTS_PORTIN) & (1<<SATMB_SER_RTS_PIN))
+		return TRUE;
+	else
+		return FALSE;
+}
+
+void satmbSerialCtsSet(u08 state)
+{
+	if(state)
+		sbi(SATMB_SER_CTS_PORT, SATMB_SER_CTS_PIN);
+	else
+		cbi(SATMB_SER_CTS_PORT, SATMB_SER_CTS_PIN);
+}
+
+u16 satmbV1GetCurrent(DallasSubsysId* targetSubsysId)
+{
+	u16 value;
+	// setup A/D for 5V 16-bit conversion
+	ds2450SetupAll(&targetSubsysId->S, 16, DS2450_RANGE_5V);
+	// read current-level A/D
+	ds2450StartAndResult(&targetSubsysId->S, 'A', &value);
+	// calculate milliamp value
+	// ma = 1000*(((value/65536)*5.12V)/(50*R))
+	// for R=0.47/2 ohms
+	// return result
+	return value/150;
+}
+
+u16 satmbV2GetCurrent(DallasSubsysId* targetSubsysId)
+{
+	u16 value;
+	// setup A/D for 5V 16-bit conversion
+	ds2450SetupAll(&targetSubsysId->S, 16, DS2450_RANGE_5V);
+	// read current-level A/D
+	ds2450StartAndResult(&targetSubsysId->S, 'C', &value);
+	// calculate milliamp value
+	// ma = 1000*(((value/65536)*5.12V)/(50*R))
+	// for R=0.1/2 ohms
+	// return result
+	return value/32;
+}
+
+u08 satmbV1GetOverCurrent(DallasSubsysId* targetSubsysId)
+{
+	u16 value;
+	// setup A/D for 5V 16-bit conversion
+	ds2450SetupAll(&targetSubsysId->S, 16, DS2450_RANGE_5V);
+	// read overcurrent state A/D
+	ds2450StartAndResult(&targetSubsysId->S, 'B', &value);
+	// return result
+	return (value>0x8000);
+}
+
+u08 satmbV2GetOverCurrent(DallasSubsysId* targetSubsysId)
+{
+	u16 value;
+	// setup A/D for 5V 16-bit conversion
+	ds2450SetupAll(&targetSubsysId->S, 16, DS2450_RANGE_5V);
+	// read overcurrent state A/D
+	ds2450StartAndResult(&targetSubsysId->S, 'D', &value);
+	// return result
+	return (value>0x8000);
+}
+
+void satmbV1SetPowerState(DallasSubsysId* targetSubsysId, u08 state)
+{
+	satmbSetPowerState(&targetSubsysId->V1, state);
+}
+
+void satmbV2SetPowerState(DallasSubsysId* targetSubsysId, u08 state)
+{
+	satmbSetPowerState(&targetSubsysId->V2, state);
+}
+
+void satmbSetPowerState(dallas_rom_id_T* targetRomId, u08 state)
+{
+	if(state)
+	{
+		// reset overcurrent flag
+		ds2450DigitalOut(targetRomId, 'B', DIGOUT_LOW);
+		ds2450DigitalOut(targetRomId, 'B', DIGOUT_OC);
+		// assert enable
+		ds2450DigitalOut(targetRomId, 'A', DIGOUT_LOW);
+	}
+	// pulse clock line
+	ds2450DigitalOut(targetRomId, 'C', DIGOUT_OC);
+	ds2450DigitalOut(targetRomId, 'C', DIGOUT_LOW);
+	ds2450DigitalOut(targetRomId, 'C', DIGOUT_OC);
+	// release enable
+	ds2450DigitalOut(targetRomId, 'A', DIGOUT_OC);
+}