This is a driver for the segment LCD found on the Silicon Labs EF32 Giant, Leopard and Wonder Gecko platforms. NOTE: This driver will not work with other platforms, because it contains EFM32-specific code.
Dependents: EFM32 RDA5807M RDS Radio EMF32-Segment-Touch-Demo EMF32_ShowKey blinky_EFM32_Giant ... more
EFM32_SegmentLCD.cpp
00001 /***************************************************************************//** 00002 * @file EFM32_SegmentLCD.cpp 00003 * @brief Driver class for the segment LCD's on some of the EFM32 kits. 00004 ******************************************************************************* 00005 * @section License 00006 * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b> 00007 ******************************************************************************* 00008 * 00009 * Permission is granted to anyone to use this software for any purpose, 00010 * including commercial applications, and to alter it and redistribute it 00011 * freely, subject to the following restrictions: 00012 * 00013 * 1. The origin of this software must not be misrepresented; you must not 00014 * claim that you wrote the original software. 00015 * 2. Altered source versions must be plainly marked as such, and must not be 00016 * misrepresented as being the original software. 00017 * 3. This notice may not be removed or altered from any source distribution. 00018 * 00019 * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no 00020 * obligation to support this Software. Silicon Labs is providing the 00021 * Software "AS IS", with no express or implied warranties of any kind, 00022 * including, but not limited to, any implied warranties of merchantability 00023 * or fitness for any particular purpose or warranties against infringement 00024 * of any proprietary rights of a third party. 00025 * 00026 * Silicon Labs will not be liable for any consequential, incidental, or 00027 * special damages, or any other relief, or for any claim by any third party, 00028 * arising from your use of this Software. 00029 * 00030 ******************************************************************************/ 00031 00032 #include <mbed.h> 00033 #include "pinmap.h" 00034 #include "EFM32_SegmentLCD.h" 00035 #include "segmentlcd.h" 00036 #include "sleep_api.h" 00037 00038 namespace silabs { 00039 /* 00040 * Constructor. 00041 */ 00042 EFM32_SegmentLCD::EFM32_SegmentLCD() { 00043 /* Set all pins used for the LCD to disabled. */ 00044 uint32_t num_pins = sizeof(outPins) / sizeof(outPins[0]); 00045 for(uint8_t i = 0; i < num_pins; i++) { 00046 pin_mode(outPins[i], Disabled); 00047 } 00048 00049 /* Initialize the LCD without voltage booster */ 00050 SegmentLCD_Init(false); 00051 00052 /* Block sleep mode */ 00053 blockSleepMode(EM2); 00054 } 00055 00056 EFM32_SegmentLCD::~EFM32_SegmentLCD() { 00057 /* Shut off LCD peripheral */ 00058 SegmentLCD_Disable(); 00059 00060 /* Unblock sleep mode */ 00061 unblockSleepMode(EM2); 00062 } 00063 00064 void EFM32_SegmentLCD::AllOff( void ) { 00065 SegmentLCD_AllOff(); 00066 } 00067 00068 void EFM32_SegmentLCD::AllOn( void ) { 00069 SegmentLCD_AllOn(); 00070 } 00071 00072 /* 00073 * Switch off (clear) the alphanumeric portion of the display 00074 */ 00075 void EFM32_SegmentLCD::AlphaNumberOff(void) { 00076 SegmentLCD_AlphaNumberOff(); 00077 } 00078 00079 /* 00080 * Switch specified segment on the ring on/off 00081 * anum: ring segment index 00082 * on: true to turn on, false to turn off 00083 */ 00084 void EFM32_SegmentLCD::ARing(int anum, bool on) { 00085 SegmentLCD_ARing(anum, (on ? 1 : 0)); 00086 } 00087 00088 /* 00089 * Display a battery level on the LCD. 00090 * 0 = off 00091 * 1 = lowest block 00092 * 2 = lowest + second-to-lowest 00093 * ... 00094 */ 00095 void EFM32_SegmentLCD::Battery(int batteryLevel) { 00096 SegmentLCD_Battery(batteryLevel); 00097 } 00098 00099 /* 00100 * Display an energy mode ring on the LCD. 00101 * em = energy mode number to display 00102 * on = true to turn on, false to turn off. 00103 */ 00104 void EFM32_SegmentLCD::EnergyMode(int em, bool on) { 00105 SegmentLCD_EnergyMode(em, (on ? 1 : 0)); 00106 } 00107 00108 /* 00109 * Display an unsigned integer on the alphanumeric 00110 * portion of the display as a hex value. 00111 * 00112 * num = number to display 00113 */ 00114 void EFM32_SegmentLCD::LowerHex( uint32_t num ) { 00115 SegmentLCD_LowerHex(num); 00116 } 00117 00118 /* 00119 * Display a signed integer as decimal number on 00120 * the alphanumeric part of the display. 00121 */ 00122 void EFM32_SegmentLCD::LowerNumber( int num ) { 00123 SegmentLCD_LowerNumber(num); 00124 } 00125 00126 /* 00127 * Display a signed integer on the numeric part 00128 * of the display (clock area). 00129 * max = 9999, min = -9999 00130 */ 00131 void EFM32_SegmentLCD::Number(int value) { 00132 SegmentLCD_Number(value); 00133 } 00134 00135 /* 00136 * Clear the numeric part of the display. 00137 */ 00138 void EFM32_SegmentLCD::NumberOff(void) { 00139 SegmentLCD_NumberOff(); 00140 } 00141 00142 /* 00143 * Turn a predefined symbol on or off. 00144 * lcdSymbol = predefined symbol in segmentlcdconfig_*.h 00145 * on = true to turn on, false to turn off. 00146 */ 00147 void EFM32_SegmentLCD::Symbol(lcdSymbol s, bool on) { 00148 SegmentLCD_Symbol(s, (on ? 1 : 0)); 00149 } 00150 00151 /* 00152 * Display an unsigned short integer as a hex value 00153 * on the numeric part of the display. 00154 * max = FFFF, min = 0 00155 */ 00156 void EFM32_SegmentLCD::UnsignedHex(uint16_t value) { 00157 SegmentLCD_UnsignedHex(value); 00158 } 00159 00160 /* 00161 * Display a 7-character string on the alphanumeric 00162 * portion of the display. 00163 */ 00164 void EFM32_SegmentLCD::Write(char *string) { 00165 SegmentLCD_Write(string); 00166 } 00167 00168 00169 }
Generated on Thu Jul 14 2022 05:15:53 by 1.7.2