To avoid the LOW_FREQUENCY_VALUE issue. Change the 32768 direct value as for it.

Fork of EFM32_SegmentLCD by Silicon Labs

Revision:
0:559902e88130
Child:
3:4e4f16874281
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EFM32_SegmentLCD.cpp	Tue Mar 17 11:45:46 2015 -0500
@@ -0,0 +1,157 @@
+/***************************************************************************//**
+ * @file EFM32_SegmentLCD.cpp
+ * @brief Driver class for the segment LCD's on some of the EFM32 kits.
+ *******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
+ *******************************************************************************
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
+ * obligation to support this Software. Silicon Labs is providing the
+ * Software "AS IS", with no express or implied warranties of any kind,
+ * including, but not limited to, any implied warranties of merchantability
+ * or fitness for any particular purpose or warranties against infringement
+ * of any proprietary rights of a third party.
+ *
+ * Silicon Labs will not be liable for any consequential, incidental, or
+ * special damages, or any other relief, or for any claim by any third party,
+ * arising from your use of this Software.
+ *
+ ******************************************************************************/
+
+#include <mbed.h>
+#include "pinmap.h"
+#include "EFM32_SegmentLCD.h"
+#include "segmentlcd.h"
+
+namespace silabs {
+/*
+ * Constructor.
+ */
+EFM32_SegmentLCD::EFM32_SegmentLCD() {
+	/* Set all pins used for the LCD to disabled. */
+	uint32_t num_pins = sizeof(outPins) / sizeof(outPins[0]);
+	for(uint8_t i = 0; i < num_pins; i++) {
+		pin_mode(outPins[i], Disabled);
+	}
+
+	/* Initialize the LCD without voltage booster */
+	SegmentLCD_Init(false);
+}
+
+void EFM32_SegmentLCD::AllOff( void ) {
+	SegmentLCD_AllOff();
+}
+
+void EFM32_SegmentLCD::AllOn( void ) {
+	SegmentLCD_AllOn();
+}
+
+/*
+ * Switch off (clear) the alphanumeric portion of the display
+ */
+void EFM32_SegmentLCD::AlphaNumberOff(void) {
+	SegmentLCD_AlphaNumberOff();
+}
+
+/*
+ * Switch specified segment on the ring on/off
+ * anum: ring segment index
+ * on: true to turn on, false to turn off
+ */
+void EFM32_SegmentLCD::ARing(int anum, bool on) {
+	SegmentLCD_ARing(anum, (on ? 1 : 0));
+}
+
+/*
+ * Display a battery level on the LCD.
+ * 0 = off
+ * 1 = lowest block
+ * 2 = lowest + second-to-lowest
+ * ...
+ */
+void EFM32_SegmentLCD::Battery(int batteryLevel) {
+	SegmentLCD_Battery(batteryLevel);
+}
+
+/*
+ * Display an energy mode ring on the LCD.
+ * em = energy mode number to display
+ * on = true to turn on, false to turn off.
+ */
+void EFM32_SegmentLCD::EnergyMode(int em, bool on) {
+	SegmentLCD_EnergyMode(em, (on ? 1 : 0));
+}
+
+/*
+ * Display an unsigned integer on the alphanumeric
+ * portion of the display as a hex value.
+ *
+ * num = number to display
+ */
+void EFM32_SegmentLCD::LowerHex( uint32_t num ) {
+	SegmentLCD_LowerHex(num);
+}
+
+/*
+ * Display a signed integer as decimal number on
+ * the alphanumeric part of the display.
+ */
+void EFM32_SegmentLCD::LowerNumber( int num ) {
+	SegmentLCD_LowerNumber(num);
+}
+
+/*
+ * Display a signed integer on the numeric part
+ * of the display (clock area).
+ * max = 9999, min = -9999
+ */
+void EFM32_SegmentLCD::Number(int value) {
+	SegmentLCD_Number(value);
+}
+
+/*
+ * Clear the numeric part of the display.
+ */
+void EFM32_SegmentLCD::NumberOff(void) {
+	SegmentLCD_NumberOff();
+}
+
+/*
+ * Turn a predefined symbol on or off.
+ * lcdSymbol = predefined symbol in segmentlcdconfig_*.h
+ * on = true to turn on, false to turn off.
+ */
+void EFM32_SegmentLCD::Symbol(lcdSymbol s, bool on) {
+	SegmentLCD_Symbol(s, (on ? 1 : 0));
+}
+
+/*
+ * Display an unsigned short integer as a hex value
+ * on the numeric part of the display.
+ * max = FFFF, min = 0
+ */
+void EFM32_SegmentLCD::UnsignedHex(uint16_t value) {
+	SegmentLCD_UnsignedHex(value);
+}
+
+/*
+ * Display a 7-character string on the alphanumeric
+ * portion of the display.
+ */
+void EFM32_SegmentLCD::Write(char *string) {
+	SegmentLCD_Write(string);
+}
+
+
+}