added prescaler for 16 bit pwm in LPC1347 target
Fork of mbed-dev by
targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/emlib/src/em_lcd.c@0:9b334a45a8ff, 2015-10-01 (annotated)
- Committer:
- bogdanm
- Date:
- Thu Oct 01 15:25:22 2015 +0300
- Revision:
- 0:9b334a45a8ff
- Child:
- 50:a417edff4437
Initial commit on mbed-dev
Replaces mbed-src (now inactive)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 2 | * @file em_lcd.c |
bogdanm | 0:9b334a45a8ff | 3 | * @brief Liquid Crystal Display (LCD) Peripheral API |
bogdanm | 0:9b334a45a8ff | 4 | * @version 3.20.12 |
bogdanm | 0:9b334a45a8ff | 5 | ******************************************************************************* |
bogdanm | 0:9b334a45a8ff | 6 | * @section License |
bogdanm | 0:9b334a45a8ff | 7 | * <b>(C) Copyright 2014 Silicon Labs, http://www.silabs.com</b> |
bogdanm | 0:9b334a45a8ff | 8 | ******************************************************************************* |
bogdanm | 0:9b334a45a8ff | 9 | * |
bogdanm | 0:9b334a45a8ff | 10 | * Permission is granted to anyone to use this software for any purpose, |
bogdanm | 0:9b334a45a8ff | 11 | * including commercial applications, and to alter it and redistribute it |
bogdanm | 0:9b334a45a8ff | 12 | * freely, subject to the following restrictions: |
bogdanm | 0:9b334a45a8ff | 13 | * |
bogdanm | 0:9b334a45a8ff | 14 | * 1. The origin of this software must not be misrepresented; you must not |
bogdanm | 0:9b334a45a8ff | 15 | * claim that you wrote the original software. |
bogdanm | 0:9b334a45a8ff | 16 | * 2. Altered source versions must be plainly marked as such, and must not be |
bogdanm | 0:9b334a45a8ff | 17 | * misrepresented as being the original software. |
bogdanm | 0:9b334a45a8ff | 18 | * 3. This notice may not be removed or altered from any source distribution. |
bogdanm | 0:9b334a45a8ff | 19 | * |
bogdanm | 0:9b334a45a8ff | 20 | * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no |
bogdanm | 0:9b334a45a8ff | 21 | * obligation to support this Software. Silicon Labs is providing the |
bogdanm | 0:9b334a45a8ff | 22 | * Software "AS IS", with no express or implied warranties of any kind, |
bogdanm | 0:9b334a45a8ff | 23 | * including, but not limited to, any implied warranties of merchantability |
bogdanm | 0:9b334a45a8ff | 24 | * or fitness for any particular purpose or warranties against infringement |
bogdanm | 0:9b334a45a8ff | 25 | * of any proprietary rights of a third party. |
bogdanm | 0:9b334a45a8ff | 26 | * |
bogdanm | 0:9b334a45a8ff | 27 | * Silicon Labs will not be liable for any consequential, incidental, or |
bogdanm | 0:9b334a45a8ff | 28 | * special damages, or any other relief, or for any claim by any third party, |
bogdanm | 0:9b334a45a8ff | 29 | * arising from your use of this Software. |
bogdanm | 0:9b334a45a8ff | 30 | * |
bogdanm | 0:9b334a45a8ff | 31 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 32 | |
bogdanm | 0:9b334a45a8ff | 33 | |
bogdanm | 0:9b334a45a8ff | 34 | #include "em_lcd.h" |
bogdanm | 0:9b334a45a8ff | 35 | #if defined(LCD_COUNT) && (LCD_COUNT > 0) |
bogdanm | 0:9b334a45a8ff | 36 | #include "em_assert.h" |
bogdanm | 0:9b334a45a8ff | 37 | #include "em_bitband.h" |
bogdanm | 0:9b334a45a8ff | 38 | |
bogdanm | 0:9b334a45a8ff | 39 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 40 | * @addtogroup EM_Library |
bogdanm | 0:9b334a45a8ff | 41 | * @{ |
bogdanm | 0:9b334a45a8ff | 42 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 43 | |
bogdanm | 0:9b334a45a8ff | 44 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 45 | * @addtogroup LCD |
bogdanm | 0:9b334a45a8ff | 46 | * @brief Liquid Crystal Display (LCD) Peripheral API |
bogdanm | 0:9b334a45a8ff | 47 | * @{ |
bogdanm | 0:9b334a45a8ff | 48 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 49 | |
bogdanm | 0:9b334a45a8ff | 50 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 51 | * @brief |
bogdanm | 0:9b334a45a8ff | 52 | * Initalize Liquid Crystal Display (LCD) controller |
bogdanm | 0:9b334a45a8ff | 53 | * |
bogdanm | 0:9b334a45a8ff | 54 | * @details |
bogdanm | 0:9b334a45a8ff | 55 | * This function call will only configure the LCD controller. You must enable |
bogdanm | 0:9b334a45a8ff | 56 | * it afterwards, potentially configuring Frame Control and interrupts first |
bogdanm | 0:9b334a45a8ff | 57 | * according to requirements. |
bogdanm | 0:9b334a45a8ff | 58 | * |
bogdanm | 0:9b334a45a8ff | 59 | * @param[in] lcdInit |
bogdanm | 0:9b334a45a8ff | 60 | * Pointer to initialization structure which configures LCD controller. |
bogdanm | 0:9b334a45a8ff | 61 | * |
bogdanm | 0:9b334a45a8ff | 62 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 63 | void LCD_Init(const LCD_Init_TypeDef *lcdInit) |
bogdanm | 0:9b334a45a8ff | 64 | { |
bogdanm | 0:9b334a45a8ff | 65 | uint32_t dispCtrl = LCD->DISPCTRL; |
bogdanm | 0:9b334a45a8ff | 66 | |
bogdanm | 0:9b334a45a8ff | 67 | EFM_ASSERT(lcdInit != (void *) 0); |
bogdanm | 0:9b334a45a8ff | 68 | |
bogdanm | 0:9b334a45a8ff | 69 | /* Disable controller before reconfiguration */ |
bogdanm | 0:9b334a45a8ff | 70 | LCD_Enable(false); |
bogdanm | 0:9b334a45a8ff | 71 | |
bogdanm | 0:9b334a45a8ff | 72 | /* Make sure we don't touch other bit fields (i.e. voltage boost) */ |
bogdanm | 0:9b334a45a8ff | 73 | dispCtrl &= ~( |
bogdanm | 0:9b334a45a8ff | 74 | #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 75 | _LCD_DISPCTRL_MUXE_MASK | |
bogdanm | 0:9b334a45a8ff | 76 | #endif |
bogdanm | 0:9b334a45a8ff | 77 | _LCD_DISPCTRL_MUX_MASK | |
bogdanm | 0:9b334a45a8ff | 78 | _LCD_DISPCTRL_BIAS_MASK | |
bogdanm | 0:9b334a45a8ff | 79 | _LCD_DISPCTRL_WAVE_MASK | |
bogdanm | 0:9b334a45a8ff | 80 | _LCD_DISPCTRL_VLCDSEL_MASK | |
bogdanm | 0:9b334a45a8ff | 81 | _LCD_DISPCTRL_CONCONF_MASK); |
bogdanm | 0:9b334a45a8ff | 82 | |
bogdanm | 0:9b334a45a8ff | 83 | /* Configure controller according to initialization structure */ |
bogdanm | 0:9b334a45a8ff | 84 | dispCtrl |= lcdInit->mux; /* also configures MUXE */ |
bogdanm | 0:9b334a45a8ff | 85 | dispCtrl |= lcdInit->bias; |
bogdanm | 0:9b334a45a8ff | 86 | dispCtrl |= lcdInit->wave; |
bogdanm | 0:9b334a45a8ff | 87 | dispCtrl |= lcdInit->vlcd; |
bogdanm | 0:9b334a45a8ff | 88 | dispCtrl |= lcdInit->contrast; |
bogdanm | 0:9b334a45a8ff | 89 | |
bogdanm | 0:9b334a45a8ff | 90 | /* Update display controller */ |
bogdanm | 0:9b334a45a8ff | 91 | LCD->DISPCTRL = dispCtrl; |
bogdanm | 0:9b334a45a8ff | 92 | |
bogdanm | 0:9b334a45a8ff | 93 | /* Enable controller if wanted */ |
bogdanm | 0:9b334a45a8ff | 94 | if (lcdInit->enable) |
bogdanm | 0:9b334a45a8ff | 95 | { |
bogdanm | 0:9b334a45a8ff | 96 | LCD_Enable(true); |
bogdanm | 0:9b334a45a8ff | 97 | } |
bogdanm | 0:9b334a45a8ff | 98 | } |
bogdanm | 0:9b334a45a8ff | 99 | |
bogdanm | 0:9b334a45a8ff | 100 | |
bogdanm | 0:9b334a45a8ff | 101 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 102 | * @brief |
bogdanm | 0:9b334a45a8ff | 103 | * Select source for VLCD |
bogdanm | 0:9b334a45a8ff | 104 | * |
bogdanm | 0:9b334a45a8ff | 105 | * @param[in] vlcd |
bogdanm | 0:9b334a45a8ff | 106 | * Select source for VLD voltage |
bogdanm | 0:9b334a45a8ff | 107 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 108 | void LCD_VLCDSelect(LCD_VLCDSel_TypeDef vlcd) |
bogdanm | 0:9b334a45a8ff | 109 | { |
bogdanm | 0:9b334a45a8ff | 110 | uint32_t dispctrl = LCD->DISPCTRL; |
bogdanm | 0:9b334a45a8ff | 111 | |
bogdanm | 0:9b334a45a8ff | 112 | /* Select VEXT or VDD */ |
bogdanm | 0:9b334a45a8ff | 113 | dispctrl &= ~(_LCD_DISPCTRL_VLCDSEL_MASK); |
bogdanm | 0:9b334a45a8ff | 114 | switch (vlcd) |
bogdanm | 0:9b334a45a8ff | 115 | { |
bogdanm | 0:9b334a45a8ff | 116 | case lcdVLCDSelVExtBoost: |
bogdanm | 0:9b334a45a8ff | 117 | dispctrl |= LCD_DISPCTRL_VLCDSEL_VEXTBOOST; |
bogdanm | 0:9b334a45a8ff | 118 | break; |
bogdanm | 0:9b334a45a8ff | 119 | case lcdVLCDSelVDD: |
bogdanm | 0:9b334a45a8ff | 120 | dispctrl |= LCD_DISPCTRL_VLCDSEL_VDD; |
bogdanm | 0:9b334a45a8ff | 121 | break; |
bogdanm | 0:9b334a45a8ff | 122 | default: |
bogdanm | 0:9b334a45a8ff | 123 | break; |
bogdanm | 0:9b334a45a8ff | 124 | } |
bogdanm | 0:9b334a45a8ff | 125 | |
bogdanm | 0:9b334a45a8ff | 126 | LCD->DISPCTRL = dispctrl; |
bogdanm | 0:9b334a45a8ff | 127 | } |
bogdanm | 0:9b334a45a8ff | 128 | |
bogdanm | 0:9b334a45a8ff | 129 | |
bogdanm | 0:9b334a45a8ff | 130 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 131 | * @brief |
bogdanm | 0:9b334a45a8ff | 132 | * Configure Update Control |
bogdanm | 0:9b334a45a8ff | 133 | * |
bogdanm | 0:9b334a45a8ff | 134 | * @param[in] ud |
bogdanm | 0:9b334a45a8ff | 135 | * Configures LCD update method |
bogdanm | 0:9b334a45a8ff | 136 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 137 | void LCD_UpdateCtrl(LCD_UpdateCtrl_TypeDef ud) |
bogdanm | 0:9b334a45a8ff | 138 | { |
bogdanm | 0:9b334a45a8ff | 139 | LCD->CTRL = (LCD->CTRL & ~_LCD_CTRL_UDCTRL_MASK) | ud; |
bogdanm | 0:9b334a45a8ff | 140 | } |
bogdanm | 0:9b334a45a8ff | 141 | |
bogdanm | 0:9b334a45a8ff | 142 | |
bogdanm | 0:9b334a45a8ff | 143 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 144 | * @brief |
bogdanm | 0:9b334a45a8ff | 145 | * Initialize LCD Frame Counter |
bogdanm | 0:9b334a45a8ff | 146 | * |
bogdanm | 0:9b334a45a8ff | 147 | * @param[in] fcInit |
bogdanm | 0:9b334a45a8ff | 148 | * Pointer to Frame Counter initialization structure |
bogdanm | 0:9b334a45a8ff | 149 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 150 | void LCD_FrameCountInit(const LCD_FrameCountInit_TypeDef *fcInit) |
bogdanm | 0:9b334a45a8ff | 151 | { |
bogdanm | 0:9b334a45a8ff | 152 | uint32_t bactrl = LCD->BACTRL; |
bogdanm | 0:9b334a45a8ff | 153 | |
bogdanm | 0:9b334a45a8ff | 154 | EFM_ASSERT(fcInit != (void *) 0); |
bogdanm | 0:9b334a45a8ff | 155 | |
bogdanm | 0:9b334a45a8ff | 156 | /* Verify FC Top Counter to be within limits */ |
bogdanm | 0:9b334a45a8ff | 157 | EFM_ASSERT(fcInit->top < 64); |
bogdanm | 0:9b334a45a8ff | 158 | |
bogdanm | 0:9b334a45a8ff | 159 | /* Reconfigure frame count configuration */ |
bogdanm | 0:9b334a45a8ff | 160 | bactrl &= ~(_LCD_BACTRL_FCTOP_MASK | |
bogdanm | 0:9b334a45a8ff | 161 | _LCD_BACTRL_FCPRESC_MASK); |
bogdanm | 0:9b334a45a8ff | 162 | bactrl |= (fcInit->top << _LCD_BACTRL_FCTOP_SHIFT); |
bogdanm | 0:9b334a45a8ff | 163 | bactrl |= fcInit->prescale; |
bogdanm | 0:9b334a45a8ff | 164 | |
bogdanm | 0:9b334a45a8ff | 165 | /* Set Blink and Animation Control Register */ |
bogdanm | 0:9b334a45a8ff | 166 | LCD->BACTRL = bactrl; |
bogdanm | 0:9b334a45a8ff | 167 | |
bogdanm | 0:9b334a45a8ff | 168 | LCD_FrameCountEnable(fcInit->enable); |
bogdanm | 0:9b334a45a8ff | 169 | } |
bogdanm | 0:9b334a45a8ff | 170 | |
bogdanm | 0:9b334a45a8ff | 171 | |
bogdanm | 0:9b334a45a8ff | 172 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 173 | * @brief |
bogdanm | 0:9b334a45a8ff | 174 | * Configures LCD controller Animation feature |
bogdanm | 0:9b334a45a8ff | 175 | * |
bogdanm | 0:9b334a45a8ff | 176 | * @param[in] animInit |
bogdanm | 0:9b334a45a8ff | 177 | * Pointer to LCD Animation initialization structure |
bogdanm | 0:9b334a45a8ff | 178 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 179 | void LCD_AnimInit(const LCD_AnimInit_TypeDef *animInit) |
bogdanm | 0:9b334a45a8ff | 180 | { |
bogdanm | 0:9b334a45a8ff | 181 | uint32_t bactrl = LCD->BACTRL; |
bogdanm | 0:9b334a45a8ff | 182 | |
bogdanm | 0:9b334a45a8ff | 183 | EFM_ASSERT(animInit != (void *) 0); |
bogdanm | 0:9b334a45a8ff | 184 | |
bogdanm | 0:9b334a45a8ff | 185 | /* Set Animation Register Values */ |
bogdanm | 0:9b334a45a8ff | 186 | LCD->AREGA = animInit->AReg; |
bogdanm | 0:9b334a45a8ff | 187 | LCD->AREGB = animInit->BReg; |
bogdanm | 0:9b334a45a8ff | 188 | |
bogdanm | 0:9b334a45a8ff | 189 | /* Configure Animation Shift and Logic */ |
bogdanm | 0:9b334a45a8ff | 190 | bactrl &= ~(_LCD_BACTRL_AREGASC_MASK | |
bogdanm | 0:9b334a45a8ff | 191 | _LCD_BACTRL_AREGBSC_MASK | |
bogdanm | 0:9b334a45a8ff | 192 | _LCD_BACTRL_ALOGSEL_MASK); |
bogdanm | 0:9b334a45a8ff | 193 | |
bogdanm | 0:9b334a45a8ff | 194 | bactrl |= (animInit->AShift << _LCD_BACTRL_AREGASC_SHIFT); |
bogdanm | 0:9b334a45a8ff | 195 | bactrl |= (animInit->BShift << _LCD_BACTRL_AREGBSC_SHIFT); |
bogdanm | 0:9b334a45a8ff | 196 | bactrl |= animInit->animLogic; |
bogdanm | 0:9b334a45a8ff | 197 | |
bogdanm | 0:9b334a45a8ff | 198 | #if defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 199 | bactrl &= ~(_LCD_BACTRL_ALOC_MASK); |
bogdanm | 0:9b334a45a8ff | 200 | |
bogdanm | 0:9b334a45a8ff | 201 | if(animInit->startSeg == 0) |
bogdanm | 0:9b334a45a8ff | 202 | { |
bogdanm | 0:9b334a45a8ff | 203 | bactrl |= LCD_BACTRL_ALOC_SEG0TO7; |
bogdanm | 0:9b334a45a8ff | 204 | } |
bogdanm | 0:9b334a45a8ff | 205 | else if(animInit->startSeg == 8) |
bogdanm | 0:9b334a45a8ff | 206 | { |
bogdanm | 0:9b334a45a8ff | 207 | bactrl |= LCD_BACTRL_ALOC_SEG8TO15; |
bogdanm | 0:9b334a45a8ff | 208 | } |
bogdanm | 0:9b334a45a8ff | 209 | #endif |
bogdanm | 0:9b334a45a8ff | 210 | |
bogdanm | 0:9b334a45a8ff | 211 | /* Reconfigure */ |
bogdanm | 0:9b334a45a8ff | 212 | LCD->BACTRL = bactrl; |
bogdanm | 0:9b334a45a8ff | 213 | |
bogdanm | 0:9b334a45a8ff | 214 | /* Enable */ |
bogdanm | 0:9b334a45a8ff | 215 | LCD_AnimEnable(animInit->enable); |
bogdanm | 0:9b334a45a8ff | 216 | } |
bogdanm | 0:9b334a45a8ff | 217 | |
bogdanm | 0:9b334a45a8ff | 218 | |
bogdanm | 0:9b334a45a8ff | 219 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 220 | * @brief |
bogdanm | 0:9b334a45a8ff | 221 | * Enables update of this range of LCD segment lines |
bogdanm | 0:9b334a45a8ff | 222 | * |
bogdanm | 0:9b334a45a8ff | 223 | * @param[in] segmentRange |
bogdanm | 0:9b334a45a8ff | 224 | * Range of 4 LCD segments lines to enable or disable, for all enabled COM |
bogdanm | 0:9b334a45a8ff | 225 | * lines |
bogdanm | 0:9b334a45a8ff | 226 | * |
bogdanm | 0:9b334a45a8ff | 227 | * @param[in] enable |
bogdanm | 0:9b334a45a8ff | 228 | * Bool true to enable segment updates, false to disable updates |
bogdanm | 0:9b334a45a8ff | 229 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 230 | void LCD_SegmentRangeEnable(LCD_SegmentRange_TypeDef segmentRange, bool enable) |
bogdanm | 0:9b334a45a8ff | 231 | { |
bogdanm | 0:9b334a45a8ff | 232 | if (enable) |
bogdanm | 0:9b334a45a8ff | 233 | { |
bogdanm | 0:9b334a45a8ff | 234 | LCD->SEGEN |= segmentRange; |
bogdanm | 0:9b334a45a8ff | 235 | } |
bogdanm | 0:9b334a45a8ff | 236 | else |
bogdanm | 0:9b334a45a8ff | 237 | { |
bogdanm | 0:9b334a45a8ff | 238 | LCD->SEGEN &= ~((uint32_t)segmentRange); |
bogdanm | 0:9b334a45a8ff | 239 | } |
bogdanm | 0:9b334a45a8ff | 240 | } |
bogdanm | 0:9b334a45a8ff | 241 | |
bogdanm | 0:9b334a45a8ff | 242 | |
bogdanm | 0:9b334a45a8ff | 243 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 244 | * @brief |
bogdanm | 0:9b334a45a8ff | 245 | * Turn on or clear a segment |
bogdanm | 0:9b334a45a8ff | 246 | * |
bogdanm | 0:9b334a45a8ff | 247 | * @note |
bogdanm | 0:9b334a45a8ff | 248 | * On Gecko Family, max configuration is (COM-lines x Segment-Lines) 4x40 |
bogdanm | 0:9b334a45a8ff | 249 | * On Tiny Family, max configuration is 8x20 or 4x24 |
bogdanm | 0:9b334a45a8ff | 250 | * On Giant Family, max configuration is 8x36 or 4x40 |
bogdanm | 0:9b334a45a8ff | 251 | * |
bogdanm | 0:9b334a45a8ff | 252 | * @param[in] com |
bogdanm | 0:9b334a45a8ff | 253 | * COM line to change |
bogdanm | 0:9b334a45a8ff | 254 | * |
bogdanm | 0:9b334a45a8ff | 255 | * @param[in] bit |
bogdanm | 0:9b334a45a8ff | 256 | * Bit index of which field to change |
bogdanm | 0:9b334a45a8ff | 257 | * |
bogdanm | 0:9b334a45a8ff | 258 | * @param[in] enable |
bogdanm | 0:9b334a45a8ff | 259 | * When true will set segment, when false will clear segment |
bogdanm | 0:9b334a45a8ff | 260 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 261 | void LCD_SegmentSet(int com, int bit, bool enable) |
bogdanm | 0:9b334a45a8ff | 262 | { |
bogdanm | 0:9b334a45a8ff | 263 | #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 264 | /* Tiny and Giant Family supports up to 8 COM lines */ |
bogdanm | 0:9b334a45a8ff | 265 | EFM_ASSERT(com < 8); |
bogdanm | 0:9b334a45a8ff | 266 | #else |
bogdanm | 0:9b334a45a8ff | 267 | /* Gecko Family supports up to 4 COM lines */ |
bogdanm | 0:9b334a45a8ff | 268 | EFM_ASSERT(com < 4); |
bogdanm | 0:9b334a45a8ff | 269 | #endif |
bogdanm | 0:9b334a45a8ff | 270 | |
bogdanm | 0:9b334a45a8ff | 271 | #if defined(_EFM32_GECKO_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 272 | EFM_ASSERT(bit < 40); |
bogdanm | 0:9b334a45a8ff | 273 | #else |
bogdanm | 0:9b334a45a8ff | 274 | /* Tiny Gecko Family supports only "low" segment registers */ |
bogdanm | 0:9b334a45a8ff | 275 | EFM_ASSERT(bit < 32); |
bogdanm | 0:9b334a45a8ff | 276 | #endif |
bogdanm | 0:9b334a45a8ff | 277 | |
bogdanm | 0:9b334a45a8ff | 278 | /* Use bitband access for atomic bit set/clear of segment */ |
bogdanm | 0:9b334a45a8ff | 279 | switch (com) |
bogdanm | 0:9b334a45a8ff | 280 | { |
bogdanm | 0:9b334a45a8ff | 281 | case 0: |
bogdanm | 0:9b334a45a8ff | 282 | if (bit < 32) |
bogdanm | 0:9b334a45a8ff | 283 | { |
bogdanm | 0:9b334a45a8ff | 284 | BITBAND_Peripheral(&(LCD->SEGD0L), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 285 | } |
bogdanm | 0:9b334a45a8ff | 286 | #if defined(_EFM32_GECKO_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 287 | else |
bogdanm | 0:9b334a45a8ff | 288 | { |
bogdanm | 0:9b334a45a8ff | 289 | bit -= 32; |
bogdanm | 0:9b334a45a8ff | 290 | BITBAND_Peripheral(&(LCD->SEGD0H), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 291 | } |
bogdanm | 0:9b334a45a8ff | 292 | #endif |
bogdanm | 0:9b334a45a8ff | 293 | break; |
bogdanm | 0:9b334a45a8ff | 294 | case 1: |
bogdanm | 0:9b334a45a8ff | 295 | if (bit < 32) |
bogdanm | 0:9b334a45a8ff | 296 | { |
bogdanm | 0:9b334a45a8ff | 297 | BITBAND_Peripheral(&(LCD->SEGD1L), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 298 | } |
bogdanm | 0:9b334a45a8ff | 299 | #if defined(_EFM32_GECKO_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 300 | else |
bogdanm | 0:9b334a45a8ff | 301 | { |
bogdanm | 0:9b334a45a8ff | 302 | bit -= 32; |
bogdanm | 0:9b334a45a8ff | 303 | BITBAND_Peripheral(&(LCD->SEGD1H), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 304 | } |
bogdanm | 0:9b334a45a8ff | 305 | #endif |
bogdanm | 0:9b334a45a8ff | 306 | break; |
bogdanm | 0:9b334a45a8ff | 307 | case 2: |
bogdanm | 0:9b334a45a8ff | 308 | if (bit < 32) |
bogdanm | 0:9b334a45a8ff | 309 | { |
bogdanm | 0:9b334a45a8ff | 310 | BITBAND_Peripheral(&(LCD->SEGD2L), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 311 | } |
bogdanm | 0:9b334a45a8ff | 312 | #if defined(_EFM32_GECKO_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 313 | else |
bogdanm | 0:9b334a45a8ff | 314 | { |
bogdanm | 0:9b334a45a8ff | 315 | bit -= 32; |
bogdanm | 0:9b334a45a8ff | 316 | BITBAND_Peripheral(&(LCD->SEGD2H), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 317 | } |
bogdanm | 0:9b334a45a8ff | 318 | #endif |
bogdanm | 0:9b334a45a8ff | 319 | break; |
bogdanm | 0:9b334a45a8ff | 320 | case 3: |
bogdanm | 0:9b334a45a8ff | 321 | if (bit < 32) |
bogdanm | 0:9b334a45a8ff | 322 | { |
bogdanm | 0:9b334a45a8ff | 323 | BITBAND_Peripheral(&(LCD->SEGD3L), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 324 | } |
bogdanm | 0:9b334a45a8ff | 325 | #if defined(_EFM32_GECKO_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 326 | else |
bogdanm | 0:9b334a45a8ff | 327 | { |
bogdanm | 0:9b334a45a8ff | 328 | bit -= 32; |
bogdanm | 0:9b334a45a8ff | 329 | BITBAND_Peripheral(&(LCD->SEGD3H), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 330 | } |
bogdanm | 0:9b334a45a8ff | 331 | #endif |
bogdanm | 0:9b334a45a8ff | 332 | break; |
bogdanm | 0:9b334a45a8ff | 333 | case 4: |
bogdanm | 0:9b334a45a8ff | 334 | #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 335 | if (bit < 32) |
bogdanm | 0:9b334a45a8ff | 336 | { |
bogdanm | 0:9b334a45a8ff | 337 | BITBAND_Peripheral(&(LCD->SEGD4L), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 338 | } |
bogdanm | 0:9b334a45a8ff | 339 | #endif |
bogdanm | 0:9b334a45a8ff | 340 | #if defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 341 | else |
bogdanm | 0:9b334a45a8ff | 342 | { |
bogdanm | 0:9b334a45a8ff | 343 | bit -= 32; |
bogdanm | 0:9b334a45a8ff | 344 | BITBAND_Peripheral(&(LCD->SEGD4H), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 345 | } |
bogdanm | 0:9b334a45a8ff | 346 | #endif |
bogdanm | 0:9b334a45a8ff | 347 | break; |
bogdanm | 0:9b334a45a8ff | 348 | case 5: |
bogdanm | 0:9b334a45a8ff | 349 | #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 350 | if (bit < 32) |
bogdanm | 0:9b334a45a8ff | 351 | { |
bogdanm | 0:9b334a45a8ff | 352 | BITBAND_Peripheral(&(LCD->SEGD5L), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 353 | } |
bogdanm | 0:9b334a45a8ff | 354 | #endif |
bogdanm | 0:9b334a45a8ff | 355 | #if defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 356 | else |
bogdanm | 0:9b334a45a8ff | 357 | { |
bogdanm | 0:9b334a45a8ff | 358 | bit -= 32; |
bogdanm | 0:9b334a45a8ff | 359 | BITBAND_Peripheral(&(LCD->SEGD5H), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 360 | } |
bogdanm | 0:9b334a45a8ff | 361 | #endif |
bogdanm | 0:9b334a45a8ff | 362 | break; |
bogdanm | 0:9b334a45a8ff | 363 | case 6: |
bogdanm | 0:9b334a45a8ff | 364 | #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 365 | if (bit < 32) |
bogdanm | 0:9b334a45a8ff | 366 | { |
bogdanm | 0:9b334a45a8ff | 367 | BITBAND_Peripheral(&(LCD->SEGD6L), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 368 | } |
bogdanm | 0:9b334a45a8ff | 369 | #endif |
bogdanm | 0:9b334a45a8ff | 370 | #if defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 371 | else |
bogdanm | 0:9b334a45a8ff | 372 | { |
bogdanm | 0:9b334a45a8ff | 373 | bit -= 32; |
bogdanm | 0:9b334a45a8ff | 374 | BITBAND_Peripheral(&(LCD->SEGD6H), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 375 | } |
bogdanm | 0:9b334a45a8ff | 376 | #endif |
bogdanm | 0:9b334a45a8ff | 377 | break; |
bogdanm | 0:9b334a45a8ff | 378 | case 7: |
bogdanm | 0:9b334a45a8ff | 379 | #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 380 | if (bit < 32) |
bogdanm | 0:9b334a45a8ff | 381 | { |
bogdanm | 0:9b334a45a8ff | 382 | BITBAND_Peripheral(&(LCD->SEGD7L), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 383 | } |
bogdanm | 0:9b334a45a8ff | 384 | #endif |
bogdanm | 0:9b334a45a8ff | 385 | #if defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 386 | else |
bogdanm | 0:9b334a45a8ff | 387 | { |
bogdanm | 0:9b334a45a8ff | 388 | bit -= 32; |
bogdanm | 0:9b334a45a8ff | 389 | BITBAND_Peripheral(&(LCD->SEGD7H), bit, (unsigned int)enable); |
bogdanm | 0:9b334a45a8ff | 390 | } |
bogdanm | 0:9b334a45a8ff | 391 | #endif |
bogdanm | 0:9b334a45a8ff | 392 | break; |
bogdanm | 0:9b334a45a8ff | 393 | |
bogdanm | 0:9b334a45a8ff | 394 | default: |
bogdanm | 0:9b334a45a8ff | 395 | EFM_ASSERT(0); |
bogdanm | 0:9b334a45a8ff | 396 | break; |
bogdanm | 0:9b334a45a8ff | 397 | } |
bogdanm | 0:9b334a45a8ff | 398 | } |
bogdanm | 0:9b334a45a8ff | 399 | |
bogdanm | 0:9b334a45a8ff | 400 | |
bogdanm | 0:9b334a45a8ff | 401 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 402 | * @brief |
bogdanm | 0:9b334a45a8ff | 403 | * Updates the 0-31 lowest segments on a given COM-line in one operation, |
bogdanm | 0:9b334a45a8ff | 404 | * according to bit mask |
bogdanm | 0:9b334a45a8ff | 405 | * |
bogdanm | 0:9b334a45a8ff | 406 | * @param[in] com |
bogdanm | 0:9b334a45a8ff | 407 | * Which COM line to update |
bogdanm | 0:9b334a45a8ff | 408 | * |
bogdanm | 0:9b334a45a8ff | 409 | * @param[in] mask |
bogdanm | 0:9b334a45a8ff | 410 | * Bit mask for segments 0-31 |
bogdanm | 0:9b334a45a8ff | 411 | * |
bogdanm | 0:9b334a45a8ff | 412 | * @param[in] bits |
bogdanm | 0:9b334a45a8ff | 413 | * Bit pattern for segments 0-31 |
bogdanm | 0:9b334a45a8ff | 414 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 415 | void LCD_SegmentSetLow(int com, uint32_t mask, uint32_t bits) |
bogdanm | 0:9b334a45a8ff | 416 | { |
bogdanm | 0:9b334a45a8ff | 417 | uint32_t segData; |
bogdanm | 0:9b334a45a8ff | 418 | |
bogdanm | 0:9b334a45a8ff | 419 | /* Maximum number of com lines */ |
bogdanm | 0:9b334a45a8ff | 420 | #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 421 | EFM_ASSERT(com < 8); |
bogdanm | 0:9b334a45a8ff | 422 | #else |
bogdanm | 0:9b334a45a8ff | 423 | /* Gecko Family supports up to 4 COM lines */ |
bogdanm | 0:9b334a45a8ff | 424 | EFM_ASSERT(com < 4); |
bogdanm | 0:9b334a45a8ff | 425 | #endif |
bogdanm | 0:9b334a45a8ff | 426 | |
bogdanm | 0:9b334a45a8ff | 427 | switch (com) |
bogdanm | 0:9b334a45a8ff | 428 | { |
bogdanm | 0:9b334a45a8ff | 429 | case 0: |
bogdanm | 0:9b334a45a8ff | 430 | segData = LCD->SEGD0L; |
bogdanm | 0:9b334a45a8ff | 431 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 432 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 433 | LCD->SEGD0L = segData; |
bogdanm | 0:9b334a45a8ff | 434 | break; |
bogdanm | 0:9b334a45a8ff | 435 | case 1: |
bogdanm | 0:9b334a45a8ff | 436 | segData = LCD->SEGD1L; |
bogdanm | 0:9b334a45a8ff | 437 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 438 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 439 | LCD->SEGD1L = segData; |
bogdanm | 0:9b334a45a8ff | 440 | break; |
bogdanm | 0:9b334a45a8ff | 441 | case 2: |
bogdanm | 0:9b334a45a8ff | 442 | segData = LCD->SEGD2L; |
bogdanm | 0:9b334a45a8ff | 443 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 444 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 445 | LCD->SEGD2L = segData; |
bogdanm | 0:9b334a45a8ff | 446 | break; |
bogdanm | 0:9b334a45a8ff | 447 | case 3: |
bogdanm | 0:9b334a45a8ff | 448 | segData = LCD->SEGD3L; |
bogdanm | 0:9b334a45a8ff | 449 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 450 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 451 | LCD->SEGD3L = segData; |
bogdanm | 0:9b334a45a8ff | 452 | break; |
bogdanm | 0:9b334a45a8ff | 453 | #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 454 | case 4: |
bogdanm | 0:9b334a45a8ff | 455 | segData = LCD->SEGD4L; |
bogdanm | 0:9b334a45a8ff | 456 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 457 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 458 | LCD->SEGD4L = segData; |
bogdanm | 0:9b334a45a8ff | 459 | break; |
bogdanm | 0:9b334a45a8ff | 460 | #endif |
bogdanm | 0:9b334a45a8ff | 461 | #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 462 | case 5: |
bogdanm | 0:9b334a45a8ff | 463 | segData = LCD->SEGD5L; |
bogdanm | 0:9b334a45a8ff | 464 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 465 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 466 | LCD->SEGD5L = segData; |
bogdanm | 0:9b334a45a8ff | 467 | break; |
bogdanm | 0:9b334a45a8ff | 468 | #endif |
bogdanm | 0:9b334a45a8ff | 469 | #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 470 | case 6: |
bogdanm | 0:9b334a45a8ff | 471 | segData = LCD->SEGD6L; |
bogdanm | 0:9b334a45a8ff | 472 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 473 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 474 | LCD->SEGD6L = segData; |
bogdanm | 0:9b334a45a8ff | 475 | break; |
bogdanm | 0:9b334a45a8ff | 476 | #endif |
bogdanm | 0:9b334a45a8ff | 477 | #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 478 | case 7: |
bogdanm | 0:9b334a45a8ff | 479 | segData = LCD->SEGD7L; |
bogdanm | 0:9b334a45a8ff | 480 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 481 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 482 | LCD->SEGD7L = segData; |
bogdanm | 0:9b334a45a8ff | 483 | break; |
bogdanm | 0:9b334a45a8ff | 484 | #endif |
bogdanm | 0:9b334a45a8ff | 485 | default: |
bogdanm | 0:9b334a45a8ff | 486 | EFM_ASSERT(0); |
bogdanm | 0:9b334a45a8ff | 487 | break; |
bogdanm | 0:9b334a45a8ff | 488 | } |
bogdanm | 0:9b334a45a8ff | 489 | } |
bogdanm | 0:9b334a45a8ff | 490 | |
bogdanm | 0:9b334a45a8ff | 491 | |
bogdanm | 0:9b334a45a8ff | 492 | #if defined(_EFM32_GECKO_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 493 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 494 | * @brief |
bogdanm | 0:9b334a45a8ff | 495 | * Updated the high (32-39) segments on a given COM-line in one operation |
bogdanm | 0:9b334a45a8ff | 496 | * |
bogdanm | 0:9b334a45a8ff | 497 | * @param[in] com |
bogdanm | 0:9b334a45a8ff | 498 | * Which COM line to update |
bogdanm | 0:9b334a45a8ff | 499 | * |
bogdanm | 0:9b334a45a8ff | 500 | * @param[in] mask |
bogdanm | 0:9b334a45a8ff | 501 | * Bit mask for segments 32-39 |
bogdanm | 0:9b334a45a8ff | 502 | * |
bogdanm | 0:9b334a45a8ff | 503 | * @param[in] bits |
bogdanm | 0:9b334a45a8ff | 504 | * Bit pattern for segments 32-39 |
bogdanm | 0:9b334a45a8ff | 505 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 506 | void LCD_SegmentSetHigh(int com, uint32_t mask, uint32_t bits) |
bogdanm | 0:9b334a45a8ff | 507 | { |
bogdanm | 0:9b334a45a8ff | 508 | uint32_t segData; |
bogdanm | 0:9b334a45a8ff | 509 | |
bogdanm | 0:9b334a45a8ff | 510 | #if defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 511 | EFM_ASSERT(com < 8); |
bogdanm | 0:9b334a45a8ff | 512 | #endif |
bogdanm | 0:9b334a45a8ff | 513 | #if defined(_EFM32_GECKO_FAMILY) |
bogdanm | 0:9b334a45a8ff | 514 | EFM_ASSERT(com < 4); |
bogdanm | 0:9b334a45a8ff | 515 | #endif |
bogdanm | 0:9b334a45a8ff | 516 | |
bogdanm | 0:9b334a45a8ff | 517 | /* Maximum number of com lines */ |
bogdanm | 0:9b334a45a8ff | 518 | switch (com) |
bogdanm | 0:9b334a45a8ff | 519 | { |
bogdanm | 0:9b334a45a8ff | 520 | case 0: |
bogdanm | 0:9b334a45a8ff | 521 | segData = LCD->SEGD0H; |
bogdanm | 0:9b334a45a8ff | 522 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 523 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 524 | LCD->SEGD0H = segData; |
bogdanm | 0:9b334a45a8ff | 525 | break; |
bogdanm | 0:9b334a45a8ff | 526 | case 1: |
bogdanm | 0:9b334a45a8ff | 527 | segData = LCD->SEGD1H; |
bogdanm | 0:9b334a45a8ff | 528 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 529 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 530 | LCD->SEGD1H = segData; |
bogdanm | 0:9b334a45a8ff | 531 | break; |
bogdanm | 0:9b334a45a8ff | 532 | case 2: |
bogdanm | 0:9b334a45a8ff | 533 | segData = LCD->SEGD2H; |
bogdanm | 0:9b334a45a8ff | 534 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 535 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 536 | LCD->SEGD2H = segData; |
bogdanm | 0:9b334a45a8ff | 537 | break; |
bogdanm | 0:9b334a45a8ff | 538 | case 3: |
bogdanm | 0:9b334a45a8ff | 539 | segData = LCD->SEGD3H; |
bogdanm | 0:9b334a45a8ff | 540 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 541 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 542 | LCD->SEGD3H = segData; |
bogdanm | 0:9b334a45a8ff | 543 | break; |
bogdanm | 0:9b334a45a8ff | 544 | #if defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 545 | case 4: |
bogdanm | 0:9b334a45a8ff | 546 | segData = LCD->SEGD4H; |
bogdanm | 0:9b334a45a8ff | 547 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 548 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 549 | LCD->SEGD4H = segData; |
bogdanm | 0:9b334a45a8ff | 550 | break; |
bogdanm | 0:9b334a45a8ff | 551 | #endif |
bogdanm | 0:9b334a45a8ff | 552 | #if defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 553 | case 5: |
bogdanm | 0:9b334a45a8ff | 554 | segData = LCD->SEGD5H; |
bogdanm | 0:9b334a45a8ff | 555 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 556 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 557 | LCD->SEGD5H = segData; |
bogdanm | 0:9b334a45a8ff | 558 | break; |
bogdanm | 0:9b334a45a8ff | 559 | #endif |
bogdanm | 0:9b334a45a8ff | 560 | #if defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 561 | case 6: |
bogdanm | 0:9b334a45a8ff | 562 | segData = LCD->SEGD6H; |
bogdanm | 0:9b334a45a8ff | 563 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 564 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 565 | LCD->SEGD6H = segData; |
bogdanm | 0:9b334a45a8ff | 566 | break; |
bogdanm | 0:9b334a45a8ff | 567 | #endif |
bogdanm | 0:9b334a45a8ff | 568 | #if defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 569 | case 7: |
bogdanm | 0:9b334a45a8ff | 570 | segData = LCD->SEGD7H; |
bogdanm | 0:9b334a45a8ff | 571 | segData &= ~(mask); |
bogdanm | 0:9b334a45a8ff | 572 | segData |= (mask & bits); |
bogdanm | 0:9b334a45a8ff | 573 | LCD->SEGD7H = segData; |
bogdanm | 0:9b334a45a8ff | 574 | break; |
bogdanm | 0:9b334a45a8ff | 575 | #endif |
bogdanm | 0:9b334a45a8ff | 576 | default: |
bogdanm | 0:9b334a45a8ff | 577 | break; |
bogdanm | 0:9b334a45a8ff | 578 | } |
bogdanm | 0:9b334a45a8ff | 579 | } |
bogdanm | 0:9b334a45a8ff | 580 | #endif |
bogdanm | 0:9b334a45a8ff | 581 | |
bogdanm | 0:9b334a45a8ff | 582 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 583 | * @brief |
bogdanm | 0:9b334a45a8ff | 584 | * Configure contrast level on LCD panel |
bogdanm | 0:9b334a45a8ff | 585 | * |
bogdanm | 0:9b334a45a8ff | 586 | * @param[in] level |
bogdanm | 0:9b334a45a8ff | 587 | * Contrast level in the range 0-31 |
bogdanm | 0:9b334a45a8ff | 588 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 589 | void LCD_ContrastSet(int level) |
bogdanm | 0:9b334a45a8ff | 590 | { |
bogdanm | 0:9b334a45a8ff | 591 | EFM_ASSERT(level < 32); |
bogdanm | 0:9b334a45a8ff | 592 | |
bogdanm | 0:9b334a45a8ff | 593 | LCD->DISPCTRL = (LCD->DISPCTRL & ~_LCD_DISPCTRL_CONLEV_MASK) |
bogdanm | 0:9b334a45a8ff | 594 | | (level << _LCD_DISPCTRL_CONLEV_SHIFT); |
bogdanm | 0:9b334a45a8ff | 595 | } |
bogdanm | 0:9b334a45a8ff | 596 | |
bogdanm | 0:9b334a45a8ff | 597 | |
bogdanm | 0:9b334a45a8ff | 598 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 599 | * @brief |
bogdanm | 0:9b334a45a8ff | 600 | * Configure voltage booster |
bogdanm | 0:9b334a45a8ff | 601 | * |
bogdanm | 0:9b334a45a8ff | 602 | * The resulting voltage level is described in each part number's data sheet |
bogdanm | 0:9b334a45a8ff | 603 | * |
bogdanm | 0:9b334a45a8ff | 604 | * @param[in] vboost |
bogdanm | 0:9b334a45a8ff | 605 | * Voltage boost level |
bogdanm | 0:9b334a45a8ff | 606 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 607 | void LCD_VBoostSet(LCD_VBoostLevel_TypeDef vboost) |
bogdanm | 0:9b334a45a8ff | 608 | { |
bogdanm | 0:9b334a45a8ff | 609 | /* Reconfigure Voltage Boost */ |
bogdanm | 0:9b334a45a8ff | 610 | LCD->DISPCTRL = (LCD->DISPCTRL & ~_LCD_DISPCTRL_VBLEV_MASK) | vboost; |
bogdanm | 0:9b334a45a8ff | 611 | } |
bogdanm | 0:9b334a45a8ff | 612 | |
bogdanm | 0:9b334a45a8ff | 613 | |
bogdanm | 0:9b334a45a8ff | 614 | #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 615 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 616 | * @brief |
bogdanm | 0:9b334a45a8ff | 617 | * Configure bias level for a specific segment line for Direct Segment Control |
bogdanm | 0:9b334a45a8ff | 618 | * |
bogdanm | 0:9b334a45a8ff | 619 | * @note |
bogdanm | 0:9b334a45a8ff | 620 | * When DSC is active, each configuration takes up 4 bits in the Segment |
bogdanm | 0:9b334a45a8ff | 621 | * Registers (SEGD0L/SEGD1H) which defines bias level. |
bogdanm | 0:9b334a45a8ff | 622 | * For optimal use of this feature, the entire SEGD-registers should be set |
bogdanm | 0:9b334a45a8ff | 623 | * at once in a optimized routine, so this function is mainly here to |
bogdanm | 0:9b334a45a8ff | 624 | * demonstrate how to correctly configure the bias levels, and should be used |
bogdanm | 0:9b334a45a8ff | 625 | * with care. |
bogdanm | 0:9b334a45a8ff | 626 | * |
bogdanm | 0:9b334a45a8ff | 627 | * @param[in] segmentLine |
bogdanm | 0:9b334a45a8ff | 628 | * Segment line number |
bogdanm | 0:9b334a45a8ff | 629 | * |
bogdanm | 0:9b334a45a8ff | 630 | * @param[in] biasLevel |
bogdanm | 0:9b334a45a8ff | 631 | * Bias configuration level, 0-4. This value must be within the constraint |
bogdanm | 0:9b334a45a8ff | 632 | * defined by the LCD_DISPCTRL bias setting, see Reference Manual/Datasheet |
bogdanm | 0:9b334a45a8ff | 633 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 634 | void LCD_BiasSegmentSet(int segmentLine, int biasLevel) |
bogdanm | 0:9b334a45a8ff | 635 | { |
bogdanm | 0:9b334a45a8ff | 636 | int biasRegister; |
bogdanm | 0:9b334a45a8ff | 637 | int bitShift; |
bogdanm | 0:9b334a45a8ff | 638 | volatile uint32_t *segmentRegister; |
bogdanm | 0:9b334a45a8ff | 639 | |
bogdanm | 0:9b334a45a8ff | 640 | #if defined(_EFM32_TINY_FAMILY) |
bogdanm | 0:9b334a45a8ff | 641 | EFM_ASSERT(segmentLine < 20); |
bogdanm | 0:9b334a45a8ff | 642 | #endif |
bogdanm | 0:9b334a45a8ff | 643 | #if defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 644 | EFM_ASSERT(segmentLine < 40); |
bogdanm | 0:9b334a45a8ff | 645 | #endif |
bogdanm | 0:9b334a45a8ff | 646 | #if defined(_EFM32_TINY_FAMILY) |
bogdanm | 0:9b334a45a8ff | 647 | /* Bias config for 8 segment lines per SEGDnL register */ |
bogdanm | 0:9b334a45a8ff | 648 | biasRegister = segmentLine / 8; |
bogdanm | 0:9b334a45a8ff | 649 | bitShift = (segmentLine % 8) * 4; |
bogdanm | 0:9b334a45a8ff | 650 | |
bogdanm | 0:9b334a45a8ff | 651 | switch (biasRegister) |
bogdanm | 0:9b334a45a8ff | 652 | { |
bogdanm | 0:9b334a45a8ff | 653 | case 0: |
bogdanm | 0:9b334a45a8ff | 654 | segmentRegister = &LCD->SEGD0L; |
bogdanm | 0:9b334a45a8ff | 655 | break; |
bogdanm | 0:9b334a45a8ff | 656 | case 1: |
bogdanm | 0:9b334a45a8ff | 657 | segmentRegister = &LCD->SEGD1L; |
bogdanm | 0:9b334a45a8ff | 658 | break; |
bogdanm | 0:9b334a45a8ff | 659 | case 2: |
bogdanm | 0:9b334a45a8ff | 660 | segmentRegister = &LCD->SEGD2L; |
bogdanm | 0:9b334a45a8ff | 661 | break; |
bogdanm | 0:9b334a45a8ff | 662 | case 3: |
bogdanm | 0:9b334a45a8ff | 663 | segmentRegister = &LCD->SEGD3L; |
bogdanm | 0:9b334a45a8ff | 664 | break; |
bogdanm | 0:9b334a45a8ff | 665 | default: |
bogdanm | 0:9b334a45a8ff | 666 | segmentRegister = (uint32_t *)0x00000000; |
bogdanm | 0:9b334a45a8ff | 667 | EFM_ASSERT(0); |
bogdanm | 0:9b334a45a8ff | 668 | break; |
bogdanm | 0:9b334a45a8ff | 669 | } |
bogdanm | 0:9b334a45a8ff | 670 | #endif |
bogdanm | 0:9b334a45a8ff | 671 | #if defined(_EFM32_GIANT_FAMILY) || defined(_EFM32_WONDER_FAMILY) |
bogdanm | 0:9b334a45a8ff | 672 | /* Bias config for 10 segment lines per SEGDn L+H registers */ |
bogdanm | 0:9b334a45a8ff | 673 | biasRegister = segmentLine / 10; |
bogdanm | 0:9b334a45a8ff | 674 | bitShift = (segmentLine % 10) * 4; |
bogdanm | 0:9b334a45a8ff | 675 | |
bogdanm | 0:9b334a45a8ff | 676 | switch (biasRegister) |
bogdanm | 0:9b334a45a8ff | 677 | { |
bogdanm | 0:9b334a45a8ff | 678 | case 0: |
bogdanm | 0:9b334a45a8ff | 679 | if (bitShift < 32) |
bogdanm | 0:9b334a45a8ff | 680 | { |
bogdanm | 0:9b334a45a8ff | 681 | segmentRegister = &LCD->SEGD0L; |
bogdanm | 0:9b334a45a8ff | 682 | } |
bogdanm | 0:9b334a45a8ff | 683 | else |
bogdanm | 0:9b334a45a8ff | 684 | { |
bogdanm | 0:9b334a45a8ff | 685 | segmentRegister = &LCD->SEGD0H; |
bogdanm | 0:9b334a45a8ff | 686 | bitShift -= 32; |
bogdanm | 0:9b334a45a8ff | 687 | } |
bogdanm | 0:9b334a45a8ff | 688 | break; |
bogdanm | 0:9b334a45a8ff | 689 | case 1: |
bogdanm | 0:9b334a45a8ff | 690 | if (bitShift < 32) |
bogdanm | 0:9b334a45a8ff | 691 | { |
bogdanm | 0:9b334a45a8ff | 692 | segmentRegister = &LCD->SEGD1L; |
bogdanm | 0:9b334a45a8ff | 693 | } |
bogdanm | 0:9b334a45a8ff | 694 | else |
bogdanm | 0:9b334a45a8ff | 695 | { |
bogdanm | 0:9b334a45a8ff | 696 | segmentRegister = &LCD->SEGD1H; |
bogdanm | 0:9b334a45a8ff | 697 | bitShift -= 32; |
bogdanm | 0:9b334a45a8ff | 698 | } |
bogdanm | 0:9b334a45a8ff | 699 | break; |
bogdanm | 0:9b334a45a8ff | 700 | case 2: |
bogdanm | 0:9b334a45a8ff | 701 | if (bitShift < 32) |
bogdanm | 0:9b334a45a8ff | 702 | { |
bogdanm | 0:9b334a45a8ff | 703 | segmentRegister = &LCD->SEGD2L; |
bogdanm | 0:9b334a45a8ff | 704 | } |
bogdanm | 0:9b334a45a8ff | 705 | else |
bogdanm | 0:9b334a45a8ff | 706 | { |
bogdanm | 0:9b334a45a8ff | 707 | segmentRegister = &LCD->SEGD1H; |
bogdanm | 0:9b334a45a8ff | 708 | bitShift -= 32; |
bogdanm | 0:9b334a45a8ff | 709 | } |
bogdanm | 0:9b334a45a8ff | 710 | break; |
bogdanm | 0:9b334a45a8ff | 711 | case 3: |
bogdanm | 0:9b334a45a8ff | 712 | if (bitShift < 32) |
bogdanm | 0:9b334a45a8ff | 713 | { |
bogdanm | 0:9b334a45a8ff | 714 | segmentRegister = &LCD->SEGD3L; |
bogdanm | 0:9b334a45a8ff | 715 | } |
bogdanm | 0:9b334a45a8ff | 716 | else |
bogdanm | 0:9b334a45a8ff | 717 | { |
bogdanm | 0:9b334a45a8ff | 718 | segmentRegister = &LCD->SEGD3H; |
bogdanm | 0:9b334a45a8ff | 719 | bitShift -= 32; |
bogdanm | 0:9b334a45a8ff | 720 | } |
bogdanm | 0:9b334a45a8ff | 721 | break; |
bogdanm | 0:9b334a45a8ff | 722 | default: |
bogdanm | 0:9b334a45a8ff | 723 | segmentRegister = (uint32_t *)0x00000000; |
bogdanm | 0:9b334a45a8ff | 724 | EFM_ASSERT(0); |
bogdanm | 0:9b334a45a8ff | 725 | break; |
bogdanm | 0:9b334a45a8ff | 726 | } |
bogdanm | 0:9b334a45a8ff | 727 | #endif |
bogdanm | 0:9b334a45a8ff | 728 | |
bogdanm | 0:9b334a45a8ff | 729 | /* Configure new bias setting */ |
bogdanm | 0:9b334a45a8ff | 730 | *segmentRegister = (*segmentRegister & ~(0xF << bitShift)) | (biasLevel << bitShift); |
bogdanm | 0:9b334a45a8ff | 731 | } |
bogdanm | 0:9b334a45a8ff | 732 | |
bogdanm | 0:9b334a45a8ff | 733 | |
bogdanm | 0:9b334a45a8ff | 734 | /***************************************************************************//** |
bogdanm | 0:9b334a45a8ff | 735 | * @brief |
bogdanm | 0:9b334a45a8ff | 736 | * Configure bias level for a specific segment line |
bogdanm | 0:9b334a45a8ff | 737 | * |
bogdanm | 0:9b334a45a8ff | 738 | * @note |
bogdanm | 0:9b334a45a8ff | 739 | * When DSC is active, each configuration takes up 4 bits in the Segment |
bogdanm | 0:9b334a45a8ff | 740 | * Registers (SEGD4L/SEGD4H) which defines bias level. |
bogdanm | 0:9b334a45a8ff | 741 | * For optimal use of this feature, the entire SEGD-registers should be set |
bogdanm | 0:9b334a45a8ff | 742 | * at once in a optimized routine, so this function is mainly here to |
bogdanm | 0:9b334a45a8ff | 743 | * demonstrate how to correctly configure the bias levels, and should be used |
bogdanm | 0:9b334a45a8ff | 744 | * with care. |
bogdanm | 0:9b334a45a8ff | 745 | * |
bogdanm | 0:9b334a45a8ff | 746 | * @param[in] comLine |
bogdanm | 0:9b334a45a8ff | 747 | * COM line number, 0-7 |
bogdanm | 0:9b334a45a8ff | 748 | * |
bogdanm | 0:9b334a45a8ff | 749 | * @param[in] biasLevel |
bogdanm | 0:9b334a45a8ff | 750 | * Bias configuration level, 0-4. This value must be within the constraint |
bogdanm | 0:9b334a45a8ff | 751 | * defined by the LCD_DISPCTRL bias setting, see Reference Manual/Datasheet |
bogdanm | 0:9b334a45a8ff | 752 | ******************************************************************************/ |
bogdanm | 0:9b334a45a8ff | 753 | void LCD_BiasComSet(int comLine, int biasLevel) |
bogdanm | 0:9b334a45a8ff | 754 | { |
bogdanm | 0:9b334a45a8ff | 755 | int bitShift; |
bogdanm | 0:9b334a45a8ff | 756 | EFM_ASSERT(comLine < 8); |
bogdanm | 0:9b334a45a8ff | 757 | |
bogdanm | 0:9b334a45a8ff | 758 | bitShift = comLine * 4; |
bogdanm | 0:9b334a45a8ff | 759 | LCD->SEGD4L = (LCD->SEGD4L & ~(0xF << bitShift)) | (biasLevel << bitShift); |
bogdanm | 0:9b334a45a8ff | 760 | } |
bogdanm | 0:9b334a45a8ff | 761 | #endif |
bogdanm | 0:9b334a45a8ff | 762 | |
bogdanm | 0:9b334a45a8ff | 763 | /** @} (end addtogroup LCD) */ |
bogdanm | 0:9b334a45a8ff | 764 | /** @} (end addtogroup EM_Library) */ |
bogdanm | 0:9b334a45a8ff | 765 | |
bogdanm | 0:9b334a45a8ff | 766 | #endif /* defined(LCD_COUNT) && (LCD_COUNT > 0) */ |