To avoid the LOW_FREQUENCY_VALUE issue. Change the 32768 direct value as for it.
Fork of EFM32_SegmentLCD by
Diff: EFM32_SegmentLCD.cpp
- 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); +} + + +}