test / EALib

A library with drivers for different peripherals on the LPC4088 QuickStart Board or related add-on boards.

Dependencies:   FATFileSystem

Dependents:   bare

Fork of EALib by EmbeddedArtists AB

EaLcdBoard.cpp@10:f2409dc07e49, 2014-01-10 (annotated)

Committer:
embeddedartists
Date:
Fri Jan 10 08:24:42 2014 +0000
Revision:
10:f2409dc07e49
Parent:
4:b32cf4ef45c5
Child:
12:15597e45eea0
Fixed example in QSPIFileSystem documentation

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 4:b32cf4ef45c5 1
embeddedartists 4:b32cf4ef45c5 2 /******************************************************************************
embeddedartists 4:b32cf4ef45c5 3 * Includes
embeddedartists 4:b32cf4ef45c5 4 *****************************************************************************/
embeddedartists 0:0fdadbc3d852 5
embeddedartists 0:0fdadbc3d852 6 #include "mbed.h"
embeddedartists 0:0fdadbc3d852 7 #include "EaLcdBoard.h"
embeddedartists 0:0fdadbc3d852 8
embeddedartists 4:b32cf4ef45c5 9 /******************************************************************************
embeddedartists 4:b32cf4ef45c5 10 * Defines and typedefs
embeddedartists 4:b32cf4ef45c5 11 *****************************************************************************/
embeddedartists 4:b32cf4ef45c5 12
embeddedartists 4:b32cf4ef45c5 13 #define PORT_PIN_BUG_IN_MBED_SDK
embeddedartists 4:b32cf4ef45c5 14
embeddedartists 0:0fdadbc3d852 15 #define LCDB_MAGIC 0xEA01CDAE
embeddedartists 0:0fdadbc3d852 16
embeddedartists 0:0fdadbc3d852 17
embeddedartists 0:0fdadbc3d852 18 #define LCDB_PCA9532_I2C_ADDR (0x64 << 1)
embeddedartists 0:0fdadbc3d852 19
embeddedartists 0:0fdadbc3d852 20 /* PCA9532 registers*/
embeddedartists 0:0fdadbc3d852 21 #define LCDB_PCA9532_INPUT0 0x00
embeddedartists 0:0fdadbc3d852 22 #define LCDB_PCA9532_INPUT1 0x01
embeddedartists 0:0fdadbc3d852 23 #define LCDB_PCA9532_PSC0 0x02
embeddedartists 0:0fdadbc3d852 24 #define LCDB_PCA9532_PWM0 0x03
embeddedartists 0:0fdadbc3d852 25 #define LCDB_PCA9532_PSC1 0x04
embeddedartists 0:0fdadbc3d852 26 #define LCDB_PCA9532_PWM1 0x05
embeddedartists 0:0fdadbc3d852 27 #define LCDB_PCA9532_LS0 0x06
embeddedartists 0:0fdadbc3d852 28 #define LCDB_PCA9532_LS1 0x07
embeddedartists 0:0fdadbc3d852 29 #define LCDB_PCA9532_LS2 0x08
embeddedartists 0:0fdadbc3d852 30 #define LCDB_PCA9532_LS3 0x09
embeddedartists 0:0fdadbc3d852 31 #define LCDB_PCA9532_AUTO_INC 0x10
embeddedartists 0:0fdadbc3d852 32
embeddedartists 0:0fdadbc3d852 33 #define LCDB_LS_MODE_ON 0x01
embeddedartists 0:0fdadbc3d852 34 #define LCDB_LS_MODE_BLINK0 0x02
embeddedartists 0:0fdadbc3d852 35 #define LCDB_LS_MODE_BLINK1 0x03
embeddedartists 0:0fdadbc3d852 36
embeddedartists 0:0fdadbc3d852 37 #define LCDB_CTRL_3V3 0x0001
embeddedartists 0:0fdadbc3d852 38 #define LCDB_CTRL_5V 0x0002
embeddedartists 0:0fdadbc3d852 39 #define LCDB_CTRL_DISP_EN 0x0010
embeddedartists 0:0fdadbc3d852 40 #define LCDB_CTRL_BL_EN 0x0080
embeddedartists 0:0fdadbc3d852 41 #define LCDB_CTRL_BL_C 0x0100
embeddedartists 0:0fdadbc3d852 42 #define LCDB_EEPROM_WP 0x8000
embeddedartists 0:0fdadbc3d852 43
embeddedartists 0:0fdadbc3d852 44 #define LCDB_EEPROM_I2C_ADDR (0x56 << 1)
embeddedartists 0:0fdadbc3d852 45 #define LCDB_EEPROM_PAGE_SIZE 32
embeddedartists 0:0fdadbc3d852 46 #define LCDB_EEPROM_TOTAL_SIZE 8192
embeddedartists 0:0fdadbc3d852 47
embeddedartists 0:0fdadbc3d852 48 /*
embeddedartists 0:0fdadbc3d852 49 * Set which sequence string version that is supported
embeddedartists 0:0fdadbc3d852 50 */
embeddedartists 4:b32cf4ef45c5 51 #define LCDB_SEQ_VER 2
embeddedartists 0:0fdadbc3d852 52
embeddedartists 0:0fdadbc3d852 53 #ifndef MIN
embeddedartists 0:0fdadbc3d852 54 #define MIN(x, y) (((x)<(y))?(x):(y))
embeddedartists 0:0fdadbc3d852 55 #endif
embeddedartists 0:0fdadbc3d852 56
embeddedartists 0:0fdadbc3d852 57 #define EA_LCD_TMP_BUFFER_SZ 256
embeddedartists 0:0fdadbc3d852 58 static char* eaLcdTmpBuffer[EA_LCD_TMP_BUFFER_SZ];
embeddedartists 0:0fdadbc3d852 59
embeddedartists 0:0fdadbc3d852 60
embeddedartists 0:0fdadbc3d852 61 /* Structure containing the parameters for the LCD panel as stored on LCD Board */
embeddedartists 0:0fdadbc3d852 62
embeddedartists 0:0fdadbc3d852 63 /* LCD display types */
embeddedartists 0:0fdadbc3d852 64 typedef enum {
embeddedartists 0:0fdadbc3d852 65 TFT = 0, /* standard TFT */
embeddedartists 0:0fdadbc3d852 66 ADTFT, /* advanced TFT */
embeddedartists 0:0fdadbc3d852 67 HRTFT, /* highly reflective TFT */
embeddedartists 0:0fdadbc3d852 68 MONO_4BIT, /* 4-bit mono */
embeddedartists 0:0fdadbc3d852 69 MONO_8BIT, /* 8-bit mono */
embeddedartists 0:0fdadbc3d852 70 CSTN /* color STN */
embeddedartists 0:0fdadbc3d852 71 } nxp_lcd_panel_t;
embeddedartists 0:0fdadbc3d852 72
embeddedartists 0:0fdadbc3d852 73 typedef struct {
embeddedartists 0:0fdadbc3d852 74 uint8_t h_back_porch; /* Horizontal back porch in clocks */
embeddedartists 0:0fdadbc3d852 75 uint8_t h_front_porch; /* Horizontal front porch in clocks */
embeddedartists 0:0fdadbc3d852 76 uint8_t h_sync_pulse_width; /* HSYNC pulse width in clocks */
embeddedartists 0:0fdadbc3d852 77 uint16_t pixels_per_line; /* Pixels per line (horizontal resolution) */
embeddedartists 0:0fdadbc3d852 78 uint8_t v_back_porch; /* Vertical back porch in clocks */
embeddedartists 0:0fdadbc3d852 79 uint8_t v_front_porch; /* Vertical front porch in clocks */
embeddedartists 0:0fdadbc3d852 80 uint8_t v_sync_pulse_width; /* VSYNC pulse width in clocks */
embeddedartists 0:0fdadbc3d852 81 uint16_t lines_per_panel; /* Lines per panel (vertical resolution) */
embeddedartists 0:0fdadbc3d852 82 uint8_t invert_output_enable; /* Invert output enable, 1 = invert*/
embeddedartists 0:0fdadbc3d852 83 uint8_t invert_panel_clock; /* Invert panel clock, 1 = invert*/
embeddedartists 0:0fdadbc3d852 84 uint8_t invert_hsync; /* Invert HSYNC, 1 = invert */
embeddedartists 0:0fdadbc3d852 85 uint8_t invert_vsync; /* Invert VSYNC, 1 = invert */
embeddedartists 0:0fdadbc3d852 86 uint8_t ac_bias_frequency; /* AC bias frequency in clocks */
embeddedartists 0:0fdadbc3d852 87 uint8_t bits_per_pixel; /* Maximum bits per pixel the display supports */
embeddedartists 0:0fdadbc3d852 88 uint32_t optimal_clock; /* Optimal clock rate (Hz) */
embeddedartists 0:0fdadbc3d852 89 nxp_lcd_panel_t lcd_panel_type; /* LCD panel type */
embeddedartists 0:0fdadbc3d852 90 uint8_t dual_panel; /* Dual panel, 1 = dual panel display */
embeddedartists 0:0fdadbc3d852 91 } nxp_lcd_param_t;
embeddedartists 0:0fdadbc3d852 92
embeddedartists 0:0fdadbc3d852 93 static uint32_t str_to_uint(char* str, uint32_t len);
embeddedartists 0:0fdadbc3d852 94
embeddedartists 0:0fdadbc3d852 95 EaLcdBoard::EaLcdBoard(PinName sda, PinName scl) : _i2c(sda, scl) {
embeddedartists 0:0fdadbc3d852 96 _blink0Shadow = 0;
embeddedartists 0:0fdadbc3d852 97 _blink1Shadow = 0;
embeddedartists 0:0fdadbc3d852 98 _ledStateShadow = 0;
embeddedartists 0:0fdadbc3d852 99 _lcdPwrOn = false;
embeddedartists 0:0fdadbc3d852 100 }
embeddedartists 0:0fdadbc3d852 101
embeddedartists 0:0fdadbc3d852 102 EaLcdBoard::Result EaLcdBoard::open(LcdController::Config* cfg, char* initSeq) {
embeddedartists 0:0fdadbc3d852 103
embeddedartists 0:0fdadbc3d852 104 EaLcdBoard::Result result = Ok;
embeddedartists 0:0fdadbc3d852 105
embeddedartists 0:0fdadbc3d852 106 // load LCD configuration from storage
embeddedartists 0:0fdadbc3d852 107 if (cfg == NULL) {
embeddedartists 0:0fdadbc3d852 108 result = getLcdConfig(&_cfg);
embeddedartists 0:0fdadbc3d852 109 cfg = &_cfg;
embeddedartists 0:0fdadbc3d852 110 }
embeddedartists 0:0fdadbc3d852 111
embeddedartists 0:0fdadbc3d852 112 // load init sequence from storage
embeddedartists 0:0fdadbc3d852 113 if (result == Ok && initSeq == NULL) {
embeddedartists 0:0fdadbc3d852 114 result = getInitSeq((char*)eaLcdTmpBuffer, EA_LCD_TMP_BUFFER_SZ);
embeddedartists 0:0fdadbc3d852 115 initSeq = (char*)eaLcdTmpBuffer;
embeddedartists 0:0fdadbc3d852 116 }
embeddedartists 0:0fdadbc3d852 117
embeddedartists 0:0fdadbc3d852 118 if (result != Ok) {
embeddedartists 0:0fdadbc3d852 119 return result;
embeddedartists 0:0fdadbc3d852 120 }
embeddedartists 0:0fdadbc3d852 121
embeddedartists 0:0fdadbc3d852 122 return parseInitString(initSeq, cfg);
embeddedartists 0:0fdadbc3d852 123 }
embeddedartists 0:0fdadbc3d852 124
embeddedartists 0:0fdadbc3d852 125 EaLcdBoard::Result EaLcdBoard::close() {
embeddedartists 0:0fdadbc3d852 126 int r = 0;
embeddedartists 0:0fdadbc3d852 127
embeddedartists 0:0fdadbc3d852 128 do {
embeddedartists 0:0fdadbc3d852 129 r = lcdCtrl.setPower(false);
embeddedartists 0:0fdadbc3d852 130 if (r != 0) break;
embeddedartists 0:0fdadbc3d852 131
embeddedartists 0:0fdadbc3d852 132 _lcdPwrOn = false;
embeddedartists 0:0fdadbc3d852 133
embeddedartists 0:0fdadbc3d852 134 r = lcdCtrl.close();
embeddedartists 0:0fdadbc3d852 135 } while(0);
embeddedartists 0:0fdadbc3d852 136
embeddedartists 0:0fdadbc3d852 137 if (r != 0) {
embeddedartists 0:0fdadbc3d852 138 return LcdAccessError;
embeddedartists 0:0fdadbc3d852 139 }
embeddedartists 0:0fdadbc3d852 140
embeddedartists 0:0fdadbc3d852 141 return Ok;
embeddedartists 0:0fdadbc3d852 142 }
embeddedartists 0:0fdadbc3d852 143
embeddedartists 0:0fdadbc3d852 144 EaLcdBoard::Result EaLcdBoard::setFrameBuffer(uint32_t address) {
embeddedartists 0:0fdadbc3d852 145 int r = 0;
embeddedartists 0:0fdadbc3d852 146
embeddedartists 0:0fdadbc3d852 147 do {
embeddedartists 0:0fdadbc3d852 148
embeddedartists 0:0fdadbc3d852 149 // begin by powering on the display
embeddedartists 0:0fdadbc3d852 150 if (!_lcdPwrOn) {
embeddedartists 0:0fdadbc3d852 151 r = lcdCtrl.setPower(true);
embeddedartists 0:0fdadbc3d852 152 if (r != 0) break;
embeddedartists 0:0fdadbc3d852 153
embeddedartists 0:0fdadbc3d852 154 _lcdPwrOn = true;
embeddedartists 0:0fdadbc3d852 155 }
embeddedartists 0:0fdadbc3d852 156
embeddedartists 0:0fdadbc3d852 157 // activate specified frame buffer
embeddedartists 0:0fdadbc3d852 158 r = lcdCtrl.setFrameBuffer(address);
embeddedartists 0:0fdadbc3d852 159 if (r != 0) break;
embeddedartists 0:0fdadbc3d852 160
embeddedartists 0:0fdadbc3d852 161 } while(0);
embeddedartists 0:0fdadbc3d852 162
embeddedartists 0:0fdadbc3d852 163 if (r != 0) {
embeddedartists 0:0fdadbc3d852 164 return LcdAccessError;
embeddedartists 0:0fdadbc3d852 165 }
embeddedartists 0:0fdadbc3d852 166
embeddedartists 0:0fdadbc3d852 167
embeddedartists 0:0fdadbc3d852 168 return Ok;
embeddedartists 0:0fdadbc3d852 169 }
embeddedartists 0:0fdadbc3d852 170
embeddedartists 0:0fdadbc3d852 171 EaLcdBoard::Result EaLcdBoard::getLcdConfig(LcdController::Config* cfg) {
embeddedartists 0:0fdadbc3d852 172 store_t h;
embeddedartists 0:0fdadbc3d852 173
embeddedartists 0:0fdadbc3d852 174 nxp_lcd_param_t lcdParam;
embeddedartists 0:0fdadbc3d852 175
embeddedartists 4:b32cf4ef45c5 176 if (cfg == NULL) {
embeddedartists 4:b32cf4ef45c5 177 return InvalidArgument;
embeddedartists 4:b32cf4ef45c5 178 }
embeddedartists 4:b32cf4ef45c5 179
embeddedartists 0:0fdadbc3d852 180 getStore(&h);
embeddedartists 0:0fdadbc3d852 181
embeddedartists 0:0fdadbc3d852 182 if (h.magic != LCDB_MAGIC) {
embeddedartists 0:0fdadbc3d852 183 return InvalidStorage;
embeddedartists 0:0fdadbc3d852 184 }
embeddedartists 0:0fdadbc3d852 185
embeddedartists 0:0fdadbc3d852 186 eepromRead((uint8_t*)&lcdParam, h.lcdParamOff,
embeddedartists 0:0fdadbc3d852 187 (h.initOff-h.lcdParamOff));
embeddedartists 0:0fdadbc3d852 188
embeddedartists 0:0fdadbc3d852 189 cfg->horizontalBackPorch = lcdParam.h_back_porch;
embeddedartists 0:0fdadbc3d852 190 cfg->horizontalFrontPorch = lcdParam.h_front_porch;
embeddedartists 0:0fdadbc3d852 191 cfg->hsync = lcdParam.h_sync_pulse_width;
embeddedartists 0:0fdadbc3d852 192 cfg->width = lcdParam.pixels_per_line;
embeddedartists 0:0fdadbc3d852 193 cfg->verticalBackPorch = lcdParam.v_back_porch;
embeddedartists 0:0fdadbc3d852 194 cfg->verticalFrontPorch = lcdParam.v_front_porch;
embeddedartists 0:0fdadbc3d852 195 cfg->vsync = lcdParam.v_sync_pulse_width;
embeddedartists 0:0fdadbc3d852 196 cfg->height = lcdParam.lines_per_panel;
embeddedartists 0:0fdadbc3d852 197 cfg->invertOutputEnable = (lcdParam.invert_output_enable == 1);
embeddedartists 0:0fdadbc3d852 198 cfg->invertPanelClock = (lcdParam.invert_panel_clock == 1);
embeddedartists 0:0fdadbc3d852 199 cfg->invertHsync = (lcdParam.invert_hsync == 1);
embeddedartists 0:0fdadbc3d852 200 cfg->invertVsync = (lcdParam.invert_vsync == 1);
embeddedartists 0:0fdadbc3d852 201 cfg->acBias = lcdParam.ac_bias_frequency;
embeddedartists 0:0fdadbc3d852 202 cfg->bpp = LcdController::Bpp_16_565;
embeddedartists 0:0fdadbc3d852 203 cfg->optimalClock = lcdParam.optimal_clock;
embeddedartists 0:0fdadbc3d852 204 cfg->panelType = (LcdController::LcdPanel)lcdParam.lcd_panel_type;
embeddedartists 0:0fdadbc3d852 205 cfg->dualPanel = (lcdParam.dual_panel == 1);
embeddedartists 0:0fdadbc3d852 206
embeddedartists 0:0fdadbc3d852 207 return Ok;
embeddedartists 0:0fdadbc3d852 208 }
embeddedartists 0:0fdadbc3d852 209
embeddedartists 0:0fdadbc3d852 210 EaLcdBoard::Result EaLcdBoard::getDisplayName(char* buf, int len) {
embeddedartists 0:0fdadbc3d852 211 store_t h;
embeddedartists 0:0fdadbc3d852 212
embeddedartists 4:b32cf4ef45c5 213 if (buf == NULL) {
embeddedartists 4:b32cf4ef45c5 214 return InvalidArgument;
embeddedartists 4:b32cf4ef45c5 215 }
embeddedartists 4:b32cf4ef45c5 216
embeddedartists 0:0fdadbc3d852 217 getStore(&h);
embeddedartists 0:0fdadbc3d852 218
embeddedartists 0:0fdadbc3d852 219 if (h.magic != LCDB_MAGIC) {
embeddedartists 0:0fdadbc3d852 220 return InvalidStorage;
embeddedartists 0:0fdadbc3d852 221 }
embeddedartists 0:0fdadbc3d852 222
embeddedartists 0:0fdadbc3d852 223 if (len < NameBufferSize) {
embeddedartists 0:0fdadbc3d852 224 return BufferTooSmall;
embeddedartists 0:0fdadbc3d852 225 }
embeddedartists 0:0fdadbc3d852 226
embeddedartists 0:0fdadbc3d852 227 strncpy(buf, (char*)h.lcd_name, NameBufferSize);
embeddedartists 0:0fdadbc3d852 228
embeddedartists 0:0fdadbc3d852 229 return Ok;
embeddedartists 0:0fdadbc3d852 230 }
embeddedartists 0:0fdadbc3d852 231
embeddedartists 0:0fdadbc3d852 232 EaLcdBoard::Result EaLcdBoard::getDisplayMfg(char* buf, int len) {
embeddedartists 0:0fdadbc3d852 233 store_t h;
embeddedartists 0:0fdadbc3d852 234
embeddedartists 4:b32cf4ef45c5 235 if (buf == NULL) {
embeddedartists 4:b32cf4ef45c5 236 return InvalidArgument;
embeddedartists 4:b32cf4ef45c5 237 }
embeddedartists 4:b32cf4ef45c5 238
embeddedartists 0:0fdadbc3d852 239 getStore(&h);
embeddedartists 0:0fdadbc3d852 240
embeddedartists 0:0fdadbc3d852 241 if (h.magic != LCDB_MAGIC) {
embeddedartists 0:0fdadbc3d852 242 return InvalidStorage;
embeddedartists 0:0fdadbc3d852 243 }
embeddedartists 0:0fdadbc3d852 244
embeddedartists 0:0fdadbc3d852 245 if (len < NameBufferSize) {
embeddedartists 0:0fdadbc3d852 246 return BufferTooSmall;
embeddedartists 0:0fdadbc3d852 247 }
embeddedartists 0:0fdadbc3d852 248
embeddedartists 0:0fdadbc3d852 249 strncpy(buf, (char*)h.lcd_mfg, NameBufferSize);
embeddedartists 0:0fdadbc3d852 250
embeddedartists 0:0fdadbc3d852 251 return Ok;
embeddedartists 0:0fdadbc3d852 252 }
embeddedartists 0:0fdadbc3d852 253
embeddedartists 0:0fdadbc3d852 254 EaLcdBoard::Result EaLcdBoard::getInitSeq(char* buf, int len) {
embeddedartists 0:0fdadbc3d852 255 store_t h;
embeddedartists 0:0fdadbc3d852 256
embeddedartists 4:b32cf4ef45c5 257 if (buf == NULL) {
embeddedartists 4:b32cf4ef45c5 258 return InvalidArgument;
embeddedartists 4:b32cf4ef45c5 259 }
embeddedartists 4:b32cf4ef45c5 260
embeddedartists 0:0fdadbc3d852 261 getStore(&h);
embeddedartists 0:0fdadbc3d852 262
embeddedartists 0:0fdadbc3d852 263 if (h.magic != LCDB_MAGIC) {
embeddedartists 0:0fdadbc3d852 264 return InvalidStorage;
embeddedartists 0:0fdadbc3d852 265 }
embeddedartists 0:0fdadbc3d852 266
embeddedartists 0:0fdadbc3d852 267 if ((h.pdOff-h.initOff) > len) {
embeddedartists 0:0fdadbc3d852 268 return BufferTooSmall;
embeddedartists 0:0fdadbc3d852 269 }
embeddedartists 0:0fdadbc3d852 270
embeddedartists 0:0fdadbc3d852 271 eepromRead((uint8_t*)buf, h.initOff,
embeddedartists 0:0fdadbc3d852 272 (h.pdOff-h.initOff));
embeddedartists 0:0fdadbc3d852 273
embeddedartists 0:0fdadbc3d852 274 return Ok;
embeddedartists 0:0fdadbc3d852 275 }
embeddedartists 0:0fdadbc3d852 276
embeddedartists 0:0fdadbc3d852 277 EaLcdBoard::Result EaLcdBoard::getPowerDownSeq(char* buf, int len) {
embeddedartists 0:0fdadbc3d852 278 store_t h;
embeddedartists 0:0fdadbc3d852 279
embeddedartists 4:b32cf4ef45c5 280 if (buf == NULL) {
embeddedartists 4:b32cf4ef45c5 281 return InvalidArgument;
embeddedartists 4:b32cf4ef45c5 282 }
embeddedartists 4:b32cf4ef45c5 283
embeddedartists 0:0fdadbc3d852 284 getStore(&h);
embeddedartists 0:0fdadbc3d852 285
embeddedartists 0:0fdadbc3d852 286 if (h.magic != LCDB_MAGIC) {
embeddedartists 0:0fdadbc3d852 287 return InvalidStorage;
embeddedartists 0:0fdadbc3d852 288 }
embeddedartists 0:0fdadbc3d852 289
embeddedartists 0:0fdadbc3d852 290 if ((h.tsOff-h.pdOff) > len) {
embeddedartists 0:0fdadbc3d852 291 return BufferTooSmall;
embeddedartists 0:0fdadbc3d852 292 }
embeddedartists 0:0fdadbc3d852 293
embeddedartists 0:0fdadbc3d852 294 eepromRead((uint8_t*)buf, h.pdOff,
embeddedartists 0:0fdadbc3d852 295 (h.tsOff-h.pdOff));
embeddedartists 0:0fdadbc3d852 296
embeddedartists 0:0fdadbc3d852 297 return Ok;
embeddedartists 0:0fdadbc3d852 298 }
embeddedartists 0:0fdadbc3d852 299
embeddedartists 4:b32cf4ef45c5 300 EaLcdBoard::Result EaLcdBoard::getTouchParameters(TouchParams_t* params) {
embeddedartists 4:b32cf4ef45c5 301 store_t h;
embeddedartists 4:b32cf4ef45c5 302
embeddedartists 4:b32cf4ef45c5 303 if (params == NULL) {
embeddedartists 4:b32cf4ef45c5 304 return InvalidArgument;
embeddedartists 4:b32cf4ef45c5 305 }
embeddedartists 4:b32cf4ef45c5 306
embeddedartists 4:b32cf4ef45c5 307 getStore(&h);
embeddedartists 4:b32cf4ef45c5 308
embeddedartists 4:b32cf4ef45c5 309 if (h.magic != LCDB_MAGIC) {
embeddedartists 4:b32cf4ef45c5 310 return InvalidStorage;
embeddedartists 4:b32cf4ef45c5 311 }
embeddedartists 4:b32cf4ef45c5 312
embeddedartists 4:b32cf4ef45c5 313
embeddedartists 4:b32cf4ef45c5 314 if (eepromRead((uint8_t*)params, h.tsOff,
embeddedartists 4:b32cf4ef45c5 315 (h.end-h.tsOff)) == -1) {
embeddedartists 4:b32cf4ef45c5 316 return InvalidStorage;
embeddedartists 4:b32cf4ef45c5 317 }
embeddedartists 4:b32cf4ef45c5 318
embeddedartists 4:b32cf4ef45c5 319
embeddedartists 4:b32cf4ef45c5 320 if (params->panelId <= TouchPanelInvalidFirst
embeddedartists 4:b32cf4ef45c5 321 || params->panelId >= TouchPanelInvalidLast) {
embeddedartists 4:b32cf4ef45c5 322 params->panelId = TouchPanelUnknown;
embeddedartists 4:b32cf4ef45c5 323 }
embeddedartists 4:b32cf4ef45c5 324
embeddedartists 4:b32cf4ef45c5 325
embeddedartists 4:b32cf4ef45c5 326 return Ok;
embeddedartists 4:b32cf4ef45c5 327 }
embeddedartists 4:b32cf4ef45c5 328
embeddedartists 4:b32cf4ef45c5 329 EaLcdBoard::Result EaLcdBoard::storeParameters(
embeddedartists 4:b32cf4ef45c5 330 const char* lcdName,
embeddedartists 4:b32cf4ef45c5 331 const char* lcdMfg,
embeddedartists 4:b32cf4ef45c5 332 LcdController::Config* cfg,
embeddedartists 4:b32cf4ef45c5 333 const char* initSeqStr,
embeddedartists 4:b32cf4ef45c5 334 const char* pdSeqStr,
embeddedartists 4:b32cf4ef45c5 335 TouchParams_t* touch,
embeddedartists 4:b32cf4ef45c5 336 bool controlWp)
embeddedartists 4:b32cf4ef45c5 337 {
embeddedartists 4:b32cf4ef45c5 338 store_t h;
embeddedartists 4:b32cf4ef45c5 339 nxp_lcd_param_t lcdParam;
embeddedartists 4:b32cf4ef45c5 340
embeddedartists 4:b32cf4ef45c5 341 if (lcdName == NULL || lcdMfg == NULL || cfg == NULL
embeddedartists 4:b32cf4ef45c5 342 || initSeqStr == NULL || pdSeqStr == NULL) {
embeddedartists 4:b32cf4ef45c5 343 return InvalidArgument;
embeddedartists 4:b32cf4ef45c5 344
embeddedartists 4:b32cf4ef45c5 345 }
embeddedartists 4:b32cf4ef45c5 346
embeddedartists 4:b32cf4ef45c5 347
embeddedartists 4:b32cf4ef45c5 348 lcdParam.h_back_porch = cfg->horizontalBackPorch;
embeddedartists 4:b32cf4ef45c5 349 lcdParam.h_front_porch = cfg->horizontalFrontPorch;
embeddedartists 4:b32cf4ef45c5 350 lcdParam.h_sync_pulse_width = cfg->hsync;
embeddedartists 4:b32cf4ef45c5 351 lcdParam.pixels_per_line = cfg->width;
embeddedartists 4:b32cf4ef45c5 352 lcdParam.v_back_porch = cfg->verticalBackPorch;
embeddedartists 4:b32cf4ef45c5 353 lcdParam.v_front_porch = cfg->verticalFrontPorch;
embeddedartists 4:b32cf4ef45c5 354 lcdParam.v_sync_pulse_width = cfg->vsync;
embeddedartists 4:b32cf4ef45c5 355 lcdParam.lines_per_panel = cfg->height;
embeddedartists 4:b32cf4ef45c5 356 lcdParam.invert_output_enable = (cfg->invertOutputEnable ? 1 : 0);
embeddedartists 4:b32cf4ef45c5 357 lcdParam.invert_panel_clock = (cfg->invertPanelClock ? 1 : 0);
embeddedartists 4:b32cf4ef45c5 358 lcdParam.invert_hsync = (cfg->invertHsync ? 1 : 0);
embeddedartists 4:b32cf4ef45c5 359 lcdParam.invert_vsync = (cfg->invertVsync ? 1 : 0);
embeddedartists 4:b32cf4ef45c5 360 lcdParam.ac_bias_frequency = cfg->acBias;
embeddedartists 4:b32cf4ef45c5 361 lcdParam.optimal_clock = cfg->optimalClock;
embeddedartists 4:b32cf4ef45c5 362 lcdParam.lcd_panel_type = (nxp_lcd_panel_t)cfg->panelType;
embeddedartists 4:b32cf4ef45c5 363 lcdParam.dual_panel = (cfg->dualPanel ? 1 : 0);
embeddedartists 4:b32cf4ef45c5 364
embeddedartists 4:b32cf4ef45c5 365
embeddedartists 4:b32cf4ef45c5 366 h.magic = LCDB_MAGIC;
embeddedartists 4:b32cf4ef45c5 367 strncpy((char*)h.lcd_name, lcdName, 30);
embeddedartists 4:b32cf4ef45c5 368 strncpy((char*)h.lcd_mfg, lcdMfg, 30);
embeddedartists 4:b32cf4ef45c5 369
embeddedartists 4:b32cf4ef45c5 370 h.lcdParamOff = sizeof(store_t);
embeddedartists 4:b32cf4ef45c5 371 h.initOff = h.lcdParamOff + sizeof(nxp_lcd_param_t);
embeddedartists 4:b32cf4ef45c5 372 h.pdOff = h.initOff + strlen(initSeqStr)+1;
embeddedartists 4:b32cf4ef45c5 373 h.tsOff = h.pdOff + strlen(pdSeqStr)+1;
embeddedartists 4:b32cf4ef45c5 374 h.end = h.tsOff + sizeof(TouchParams_t);
embeddedartists 4:b32cf4ef45c5 375
embeddedartists 4:b32cf4ef45c5 376 if (controlWp) setWriteProtect(false);
embeddedartists 4:b32cf4ef45c5 377 eepromWrite((uint8_t*)&h, 0, h.lcdParamOff);
embeddedartists 4:b32cf4ef45c5 378 eepromWrite((uint8_t*)&lcdParam, h.lcdParamOff, (h.initOff-h.lcdParamOff));
embeddedartists 4:b32cf4ef45c5 379 eepromWrite((uint8_t*)initSeqStr, h.initOff, (h.pdOff-h.initOff));
embeddedartists 4:b32cf4ef45c5 380 eepromWrite((uint8_t*)pdSeqStr, h.pdOff, (h.tsOff-h.pdOff));
embeddedartists 4:b32cf4ef45c5 381 eepromWrite((uint8_t*)touch, h.tsOff, (h.end-h.tsOff));
embeddedartists 4:b32cf4ef45c5 382 if (controlWp) setWriteProtect(true);
embeddedartists 4:b32cf4ef45c5 383
embeddedartists 4:b32cf4ef45c5 384 return Ok;
embeddedartists 4:b32cf4ef45c5 385 }
embeddedartists 4:b32cf4ef45c5 386
embeddedartists 0:0fdadbc3d852 387 EaLcdBoard::Result EaLcdBoard::getStore(store_t* store) {
embeddedartists 0:0fdadbc3d852 388 int num = 0;
embeddedartists 0:0fdadbc3d852 389
embeddedartists 0:0fdadbc3d852 390 if (store == NULL) return InvalidArgument;
embeddedartists 0:0fdadbc3d852 391
embeddedartists 0:0fdadbc3d852 392 num = eepromRead((uint8_t*)store, 0, sizeof(store_t));
embeddedartists 0:0fdadbc3d852 393 if (num < (int)sizeof(store_t)) {
embeddedartists 0:0fdadbc3d852 394 return InvalidStorage;
embeddedartists 0:0fdadbc3d852 395 }
embeddedartists 0:0fdadbc3d852 396
embeddedartists 0:0fdadbc3d852 397 return Ok;
embeddedartists 0:0fdadbc3d852 398 }
embeddedartists 0:0fdadbc3d852 399
embeddedartists 0:0fdadbc3d852 400 // ###########################
embeddedartists 0:0fdadbc3d852 401 // An EEPROM is used for persistent storage
embeddedartists 0:0fdadbc3d852 402 // ###########################
embeddedartists 0:0fdadbc3d852 403
embeddedartists 0:0fdadbc3d852 404 int EaLcdBoard::eepromRead(uint8_t* buf, uint16_t offset, uint16_t len) {
embeddedartists 0:0fdadbc3d852 405 int i = 0;
embeddedartists 0:0fdadbc3d852 406 char off[2];
embeddedartists 4:b32cf4ef45c5 407 uint16_t retLen = 0;
embeddedartists 0:0fdadbc3d852 408
embeddedartists 0:0fdadbc3d852 409 if (len > LCDB_EEPROM_TOTAL_SIZE || offset+len > LCDB_EEPROM_TOTAL_SIZE) {
embeddedartists 0:0fdadbc3d852 410 return -1;
embeddedartists 0:0fdadbc3d852 411 }
embeddedartists 0:0fdadbc3d852 412
embeddedartists 4:b32cf4ef45c5 413 wait_ms(10);
embeddedartists 4:b32cf4ef45c5 414
embeddedartists 0:0fdadbc3d852 415 off[0] = ((offset >> 8) & 0xff);
embeddedartists 0:0fdadbc3d852 416 off[1] = (offset & 0xff);
embeddedartists 0:0fdadbc3d852 417
embeddedartists 4:b32cf4ef45c5 418 do {
embeddedartists 4:b32cf4ef45c5 419 if (_i2c.write(LCDB_EEPROM_I2C_ADDR, (char*)off, 2) != 0) break;
embeddedartists 4:b32cf4ef45c5 420 for ( i = 0; i < 0x2000; i++);
embeddedartists 4:b32cf4ef45c5 421 if (_i2c.read(LCDB_EEPROM_I2C_ADDR, (char*)buf, len) != 0) break;
embeddedartists 0:0fdadbc3d852 422
embeddedartists 4:b32cf4ef45c5 423 retLen = len;
embeddedartists 4:b32cf4ef45c5 424 } while(0);
embeddedartists 4:b32cf4ef45c5 425
embeddedartists 4:b32cf4ef45c5 426 return retLen;
embeddedartists 0:0fdadbc3d852 427 }
embeddedartists 0:0fdadbc3d852 428
embeddedartists 0:0fdadbc3d852 429 int EaLcdBoard::eepromWrite(uint8_t* buf, uint16_t offset, uint16_t len) {
embeddedartists 0:0fdadbc3d852 430 int16_t written = 0;
embeddedartists 0:0fdadbc3d852 431 uint16_t wLen = 0;
embeddedartists 0:0fdadbc3d852 432 uint16_t off = offset;
embeddedartists 0:0fdadbc3d852 433 uint8_t tmp[LCDB_EEPROM_PAGE_SIZE+2];
embeddedartists 0:0fdadbc3d852 434
embeddedartists 0:0fdadbc3d852 435 if (len > LCDB_EEPROM_TOTAL_SIZE || offset+len > LCDB_EEPROM_TOTAL_SIZE) {
embeddedartists 0:0fdadbc3d852 436 return -1;
embeddedartists 0:0fdadbc3d852 437 }
embeddedartists 0:0fdadbc3d852 438
embeddedartists 4:b32cf4ef45c5 439 wait_ms(1);
embeddedartists 4:b32cf4ef45c5 440
embeddedartists 0:0fdadbc3d852 441 wLen = LCDB_EEPROM_PAGE_SIZE - (off % LCDB_EEPROM_PAGE_SIZE);
embeddedartists 0:0fdadbc3d852 442 wLen = MIN(wLen, len);
embeddedartists 0:0fdadbc3d852 443
embeddedartists 0:0fdadbc3d852 444 while (len) {
embeddedartists 0:0fdadbc3d852 445 tmp[0] = ((off >> 8) & 0xff);
embeddedartists 0:0fdadbc3d852 446 tmp[1] = (off & 0xff);
embeddedartists 0:0fdadbc3d852 447 memcpy(&tmp[2], (void*)&buf[written], wLen);
embeddedartists 4:b32cf4ef45c5 448 if (_i2c.write(LCDB_EEPROM_I2C_ADDR, (char*)tmp, wLen+2) != 0) break;
embeddedartists 0:0fdadbc3d852 449
embeddedartists 0:0fdadbc3d852 450 // delay to wait for a write cycle
embeddedartists 0:0fdadbc3d852 451 //eepromDelay();
embeddedartists 4:b32cf4ef45c5 452 wait_ms(10);
embeddedartists 0:0fdadbc3d852 453
embeddedartists 0:0fdadbc3d852 454 len -= wLen;
embeddedartists 0:0fdadbc3d852 455 written += wLen;
embeddedartists 0:0fdadbc3d852 456 off += wLen;
embeddedartists 0:0fdadbc3d852 457
embeddedartists 0:0fdadbc3d852 458 wLen = MIN(LCDB_EEPROM_PAGE_SIZE, len);
embeddedartists 0:0fdadbc3d852 459 }
embeddedartists 0:0fdadbc3d852 460
embeddedartists 0:0fdadbc3d852 461 return written;
embeddedartists 0:0fdadbc3d852 462 }
embeddedartists 0:0fdadbc3d852 463
embeddedartists 0:0fdadbc3d852 464 // ###########################
embeddedartists 0:0fdadbc3d852 465 // string parsing (initialization and power down strings)
embeddedartists 0:0fdadbc3d852 466 // ###########################
embeddedartists 0:0fdadbc3d852 467
embeddedartists 0:0fdadbc3d852 468 EaLcdBoard::Result EaLcdBoard::parseInitString(char* str, LcdController::Config* cfg) {
embeddedartists 0:0fdadbc3d852 469 char* c = NULL;
embeddedartists 0:0fdadbc3d852 470 uint32_t len = 0;
embeddedartists 0:0fdadbc3d852 471 Result result = Ok;
embeddedartists 0:0fdadbc3d852 472
embeddedartists 0:0fdadbc3d852 473 if (str == NULL) {
embeddedartists 0:0fdadbc3d852 474 return InvalidCommandString;
embeddedartists 0:0fdadbc3d852 475 }
embeddedartists 0:0fdadbc3d852 476
embeddedartists 0:0fdadbc3d852 477 while(*str != '\0') {
embeddedartists 0:0fdadbc3d852 478
embeddedartists 0:0fdadbc3d852 479 // skip whitespaces
embeddedartists 0:0fdadbc3d852 480 while(*str == ' ') {
embeddedartists 0:0fdadbc3d852 481 str++;
embeddedartists 0:0fdadbc3d852 482 }
embeddedartists 0:0fdadbc3d852 483
embeddedartists 0:0fdadbc3d852 484 c = str;
embeddedartists 0:0fdadbc3d852 485
embeddedartists 0:0fdadbc3d852 486 // find end of command
embeddedartists 0:0fdadbc3d852 487 while(*str != ',' && *str != '\0') {
embeddedartists 0:0fdadbc3d852 488 str++;
embeddedartists 0:0fdadbc3d852 489 }
embeddedartists 0:0fdadbc3d852 490
embeddedartists 0:0fdadbc3d852 491 len = (str-c);
embeddedartists 0:0fdadbc3d852 492
embeddedartists 0:0fdadbc3d852 493 if (*str == ',') {
embeddedartists 0:0fdadbc3d852 494 str++;
embeddedartists 0:0fdadbc3d852 495 }
embeddedartists 0:0fdadbc3d852 496
embeddedartists 0:0fdadbc3d852 497 switch (*c++) {
embeddedartists 0:0fdadbc3d852 498
embeddedartists 0:0fdadbc3d852 499 case 'v':
embeddedartists 0:0fdadbc3d852 500 result = checkVersion(c, len-1);
embeddedartists 0:0fdadbc3d852 501 break;
embeddedartists 0:0fdadbc3d852 502
embeddedartists 0:0fdadbc3d852 503 // sequence control command (pca9532)
embeddedartists 0:0fdadbc3d852 504 case 'c':
embeddedartists 0:0fdadbc3d852 505 execSeqCtrl(c, len-1);
embeddedartists 0:0fdadbc3d852 506 break;
embeddedartists 0:0fdadbc3d852 507
embeddedartists 0:0fdadbc3d852 508 // delay
embeddedartists 0:0fdadbc3d852 509 case 'd':
embeddedartists 0:0fdadbc3d852 510 execDelay(c, len-1);
embeddedartists 0:0fdadbc3d852 511 break;
embeddedartists 0:0fdadbc3d852 512
embeddedartists 0:0fdadbc3d852 513 // open lcd (init LCD controller)
embeddedartists 0:0fdadbc3d852 514 case 'o':
embeddedartists 0:0fdadbc3d852 515
embeddedartists 0:0fdadbc3d852 516 if (cfg != NULL) {
embeddedartists 0:0fdadbc3d852 517
embeddedartists 0:0fdadbc3d852 518 if (lcdCtrl.open(cfg) != 0) {
embeddedartists 0:0fdadbc3d852 519 result = LcdAccessError;
embeddedartists 0:0fdadbc3d852 520 }
embeddedartists 0:0fdadbc3d852 521 }
embeddedartists 0:0fdadbc3d852 522
embeddedartists 0:0fdadbc3d852 523 else {
embeddedartists 0:0fdadbc3d852 524 result = InvalidArgument;
embeddedartists 0:0fdadbc3d852 525 }
embeddedartists 0:0fdadbc3d852 526
embeddedartists 0:0fdadbc3d852 527 break;
embeddedartists 0:0fdadbc3d852 528
embeddedartists 4:b32cf4ef45c5 529 // exec pin set
embeddedartists 4:b32cf4ef45c5 530 case 'p':
embeddedartists 4:b32cf4ef45c5 531 execPinSet(c, len-1);
embeddedartists 4:b32cf4ef45c5 532 break;
embeddedartists 4:b32cf4ef45c5 533
embeddedartists 0:0fdadbc3d852 534 }
embeddedartists 0:0fdadbc3d852 535
embeddedartists 0:0fdadbc3d852 536 if (result != Ok) {
embeddedartists 0:0fdadbc3d852 537 break;
embeddedartists 0:0fdadbc3d852 538 }
embeddedartists 0:0fdadbc3d852 539
embeddedartists 0:0fdadbc3d852 540
embeddedartists 0:0fdadbc3d852 541 }
embeddedartists 0:0fdadbc3d852 542
embeddedartists 0:0fdadbc3d852 543
embeddedartists 0:0fdadbc3d852 544 return result;
embeddedartists 0:0fdadbc3d852 545 }
embeddedartists 0:0fdadbc3d852 546
embeddedartists 0:0fdadbc3d852 547 EaLcdBoard::Result EaLcdBoard::checkVersion(char* v, uint32_t len) {
embeddedartists 0:0fdadbc3d852 548 uint32_t ver = str_to_uint(v, len);
embeddedartists 0:0fdadbc3d852 549
embeddedartists 0:0fdadbc3d852 550 if (ver > LCDB_SEQ_VER) {
embeddedartists 0:0fdadbc3d852 551 return VersionNotSupported;
embeddedartists 0:0fdadbc3d852 552 }
embeddedartists 0:0fdadbc3d852 553
embeddedartists 0:0fdadbc3d852 554 return Ok;
embeddedartists 0:0fdadbc3d852 555 }
embeddedartists 0:0fdadbc3d852 556
embeddedartists 0:0fdadbc3d852 557 EaLcdBoard::Result EaLcdBoard::execDelay(char* del, uint32_t len) {
embeddedartists 0:0fdadbc3d852 558 wait_ms(str_to_uint(del, len));
embeddedartists 0:0fdadbc3d852 559
embeddedartists 0:0fdadbc3d852 560 return Ok;
embeddedartists 0:0fdadbc3d852 561 }
embeddedartists 0:0fdadbc3d852 562
embeddedartists 0:0fdadbc3d852 563 EaLcdBoard::Result EaLcdBoard::execSeqCtrl(char* cmd, uint32_t len) {
embeddedartists 0:0fdadbc3d852 564
embeddedartists 0:0fdadbc3d852 565 switch (*cmd++) {
embeddedartists 0:0fdadbc3d852 566
embeddedartists 0:0fdadbc3d852 567 // display enable
embeddedartists 0:0fdadbc3d852 568 case 'd':
embeddedartists 0:0fdadbc3d852 569 setDisplayEnableSignal(*cmd == '1');
embeddedartists 0:0fdadbc3d852 570 break;
embeddedartists 0:0fdadbc3d852 571
embeddedartists 0:0fdadbc3d852 572 // backlight contrast
embeddedartists 0:0fdadbc3d852 573 case 'c':
embeddedartists 0:0fdadbc3d852 574 setBacklightContrast(str_to_uint(cmd, len));
embeddedartists 0:0fdadbc3d852 575 break;
embeddedartists 0:0fdadbc3d852 576
embeddedartists 0:0fdadbc3d852 577 // 3v3 enable
embeddedartists 0:0fdadbc3d852 578 case '3':
embeddedartists 0:0fdadbc3d852 579 set3V3Signal(*cmd == '1');
embeddedartists 0:0fdadbc3d852 580 break;
embeddedartists 0:0fdadbc3d852 581
embeddedartists 0:0fdadbc3d852 582 // 5v enable
embeddedartists 0:0fdadbc3d852 583 case '5':
embeddedartists 0:0fdadbc3d852 584 set5VSignal(*cmd == '1');
embeddedartists 0:0fdadbc3d852 585 break;
embeddedartists 0:0fdadbc3d852 586 }
embeddedartists 0:0fdadbc3d852 587
embeddedartists 0:0fdadbc3d852 588 return Ok;
embeddedartists 0:0fdadbc3d852 589 }
embeddedartists 0:0fdadbc3d852 590
embeddedartists 4:b32cf4ef45c5 591 #ifdef PORT_PIN_BUG_IN_MBED_SDK
embeddedartists 4:b32cf4ef45c5 592 static PinName port_pin2(PortName port, int pin_n) {
embeddedartists 4:b32cf4ef45c5 593 return (PinName)(((port << 5) | pin_n));
embeddedartists 4:b32cf4ef45c5 594 }
embeddedartists 4:b32cf4ef45c5 595 #endif
embeddedartists 4:b32cf4ef45c5 596
embeddedartists 4:b32cf4ef45c5 597
embeddedartists 4:b32cf4ef45c5 598 EaLcdBoard::Result EaLcdBoard::execPinSet(char* cmd, uint32_t len) {
embeddedartists 4:b32cf4ef45c5 599
embeddedartists 4:b32cf4ef45c5 600 PortName port;
embeddedartists 4:b32cf4ef45c5 601
embeddedartists 4:b32cf4ef45c5 602 do {
embeddedartists 4:b32cf4ef45c5 603 // cmd: 0_02=1 means p0.2 = 1
embeddedartists 4:b32cf4ef45c5 604 if (len < 6) break;
embeddedartists 4:b32cf4ef45c5 605 if (cmd[1] != '_' || cmd[4] != '=') break;
embeddedartists 4:b32cf4ef45c5 606
embeddedartists 4:b32cf4ef45c5 607 // port
embeddedartists 4:b32cf4ef45c5 608 int portnum = cmd[0] - '0';
embeddedartists 4:b32cf4ef45c5 609 if (portnum < 0 || portnum > 5) break;
embeddedartists 4:b32cf4ef45c5 610 port = (PortName)portnum;
embeddedartists 4:b32cf4ef45c5 611
embeddedartists 4:b32cf4ef45c5 612 // pin
embeddedartists 4:b32cf4ef45c5 613 int pinnum = (10*(cmd[2]-'0'))+ cmd[3]-'0';
embeddedartists 4:b32cf4ef45c5 614 if (pinnum < 0 || pinnum > 31) break;
embeddedartists 4:b32cf4ef45c5 615
embeddedartists 4:b32cf4ef45c5 616 // value
embeddedartists 4:b32cf4ef45c5 617 int value = cmd[5]-'0';
embeddedartists 4:b32cf4ef45c5 618 if (!(value == 0 || value == 1)) break;
embeddedartists 4:b32cf4ef45c5 619
embeddedartists 4:b32cf4ef45c5 620 #ifdef PORT_PIN_BUG_IN_MBED_SDK
embeddedartists 4:b32cf4ef45c5 621 PinName pin = port_pin2(port, pinnum);
embeddedartists 4:b32cf4ef45c5 622 #else
embeddedartists 4:b32cf4ef45c5 623 PinName pin = port_pin(port, pinnum);
embeddedartists 4:b32cf4ef45c5 624 #endif
embeddedartists 4:b32cf4ef45c5 625
embeddedartists 4:b32cf4ef45c5 626 gpio_t gp;
embeddedartists 4:b32cf4ef45c5 627 gpio_init(&gp, pin, PIN_OUTPUT);
embeddedartists 4:b32cf4ef45c5 628 gpio_write(&gp, value);
embeddedartists 4:b32cf4ef45c5 629
embeddedartists 4:b32cf4ef45c5 630 return Ok;
embeddedartists 4:b32cf4ef45c5 631
embeddedartists 4:b32cf4ef45c5 632 } while (false);
embeddedartists 4:b32cf4ef45c5 633
embeddedartists 4:b32cf4ef45c5 634
embeddedartists 4:b32cf4ef45c5 635 return InvalidCommandString;
embeddedartists 4:b32cf4ef45c5 636 }
embeddedartists 4:b32cf4ef45c5 637
embeddedartists 4:b32cf4ef45c5 638
embeddedartists 0:0fdadbc3d852 639 // ###########################
embeddedartists 0:0fdadbc3d852 640 // PCA9532 is used as a control inteface to the display.
embeddedartists 0:0fdadbc3d852 641 // voltages can be turned on/off and backlight can be controlled.
embeddedartists 0:0fdadbc3d852 642 // ###########################
embeddedartists 0:0fdadbc3d852 643
embeddedartists 0:0fdadbc3d852 644 // Helper function to set LED states
embeddedartists 0:0fdadbc3d852 645 void EaLcdBoard::setLsStates(uint16_t states, uint8_t* ls, uint8_t mode)
embeddedartists 0:0fdadbc3d852 646 {
embeddedartists 0:0fdadbc3d852 647 #define IS_LED_SET(bit, x) ( ( ((x) & (bit)) != 0 ) ? 1 : 0 )
embeddedartists 0:0fdadbc3d852 648
embeddedartists 0:0fdadbc3d852 649 int i = 0;
embeddedartists 0:0fdadbc3d852 650
embeddedartists 0:0fdadbc3d852 651 for (i = 0; i < 4; i++) {
embeddedartists 0:0fdadbc3d852 652
embeddedartists 0:0fdadbc3d852 653 ls[i] |= ( (IS_LED_SET(0x0001, states)*mode << 0)
embeddedartists 0:0fdadbc3d852 654 | (IS_LED_SET(0x0002, states)*mode << 2)
embeddedartists 0:0fdadbc3d852 655 | (IS_LED_SET(0x0004, states)*mode << 4)
embeddedartists 0:0fdadbc3d852 656 | (IS_LED_SET(0x0008, states)*mode << 6) );
embeddedartists 0:0fdadbc3d852 657
embeddedartists 0:0fdadbc3d852 658 states >>= 4;
embeddedartists 0:0fdadbc3d852 659 }
embeddedartists 0:0fdadbc3d852 660 }
embeddedartists 0:0fdadbc3d852 661
embeddedartists 0:0fdadbc3d852 662 void EaLcdBoard::setLeds(void)
embeddedartists 0:0fdadbc3d852 663 {
embeddedartists 0:0fdadbc3d852 664 uint8_t buf[5];
embeddedartists 0:0fdadbc3d852 665 uint8_t ls[4] = {0,0,0,0};
embeddedartists 0:0fdadbc3d852 666 uint16_t states = _ledStateShadow;
embeddedartists 0:0fdadbc3d852 667
embeddedartists 0:0fdadbc3d852 668 // LEDs in On/Off state
embeddedartists 0:0fdadbc3d852 669 setLsStates(states, ls, LCDB_LS_MODE_ON);
embeddedartists 0:0fdadbc3d852 670
embeddedartists 0:0fdadbc3d852 671 // set the LEDs that should blink
embeddedartists 0:0fdadbc3d852 672 setLsStates(_blink0Shadow, ls, LCDB_LS_MODE_BLINK0);
embeddedartists 0:0fdadbc3d852 673 setLsStates(_blink1Shadow, ls, LCDB_LS_MODE_BLINK1);
embeddedartists 0:0fdadbc3d852 674
embeddedartists 0:0fdadbc3d852 675 buf[0] = LCDB_PCA9532_LS0 | LCDB_PCA9532_AUTO_INC;
embeddedartists 0:0fdadbc3d852 676 buf[1] = ls[0];
embeddedartists 0:0fdadbc3d852 677 buf[2] = ls[1];
embeddedartists 0:0fdadbc3d852 678 buf[3] = ls[2];
embeddedartists 0:0fdadbc3d852 679 buf[4] = ls[3];
embeddedartists 0:0fdadbc3d852 680
embeddedartists 0:0fdadbc3d852 681 _i2c.write(LCDB_PCA9532_I2C_ADDR, (char*)buf, 5);
embeddedartists 0:0fdadbc3d852 682 }
embeddedartists 0:0fdadbc3d852 683
embeddedartists 0:0fdadbc3d852 684 void EaLcdBoard::pca9532_setLeds (uint16_t ledOnMask, uint16_t ledOffMask)
embeddedartists 0:0fdadbc3d852 685 {
embeddedartists 0:0fdadbc3d852 686 // turn off leds
embeddedartists 0:0fdadbc3d852 687 _ledStateShadow &= (~(ledOffMask) & 0xffff);
embeddedartists 0:0fdadbc3d852 688
embeddedartists 0:0fdadbc3d852 689 // ledOnMask has priority over ledOffMask
embeddedartists 0:0fdadbc3d852 690 _ledStateShadow |= ledOnMask;
embeddedartists 0:0fdadbc3d852 691
embeddedartists 0:0fdadbc3d852 692 // turn off blinking
embeddedartists 0:0fdadbc3d852 693 _blink0Shadow &= (~(ledOffMask) & 0xffff);
embeddedartists 0:0fdadbc3d852 694 _blink1Shadow &= (~(ledOffMask) & 0xffff);
embeddedartists 0:0fdadbc3d852 695
embeddedartists 0:0fdadbc3d852 696 setLeds();
embeddedartists 0:0fdadbc3d852 697 }
embeddedartists 0:0fdadbc3d852 698
embeddedartists 0:0fdadbc3d852 699 void EaLcdBoard::pca9532_setBlink0Period(uint8_t period)
embeddedartists 0:0fdadbc3d852 700 {
embeddedartists 0:0fdadbc3d852 701 uint8_t buf[2];
embeddedartists 0:0fdadbc3d852 702
embeddedartists 0:0fdadbc3d852 703 buf[0] = LCDB_PCA9532_PSC0;
embeddedartists 0:0fdadbc3d852 704 buf[1] = period;
embeddedartists 0:0fdadbc3d852 705
embeddedartists 0:0fdadbc3d852 706 _i2c.write(LCDB_PCA9532_I2C_ADDR, (char*)buf, 2);
embeddedartists 0:0fdadbc3d852 707 }
embeddedartists 0:0fdadbc3d852 708
embeddedartists 0:0fdadbc3d852 709 void EaLcdBoard::pca9532_setBlink0Duty(uint8_t duty)
embeddedartists 0:0fdadbc3d852 710 {
embeddedartists 0:0fdadbc3d852 711 uint8_t buf[2];
embeddedartists 0:0fdadbc3d852 712 uint32_t tmp = duty;
embeddedartists 0:0fdadbc3d852 713 if (tmp > 100) {
embeddedartists 0:0fdadbc3d852 714 tmp = 100;
embeddedartists 0:0fdadbc3d852 715 }
embeddedartists 0:0fdadbc3d852 716
embeddedartists 0:0fdadbc3d852 717 tmp = (255 * tmp)/100;
embeddedartists 0:0fdadbc3d852 718
embeddedartists 0:0fdadbc3d852 719 buf[0] = LCDB_PCA9532_PWM0;
embeddedartists 0:0fdadbc3d852 720 buf[1] = tmp;
embeddedartists 0:0fdadbc3d852 721
embeddedartists 0:0fdadbc3d852 722 _i2c.write(LCDB_PCA9532_I2C_ADDR, (char*)buf, 2);
embeddedartists 0:0fdadbc3d852 723 }
embeddedartists 0:0fdadbc3d852 724
embeddedartists 0:0fdadbc3d852 725 void EaLcdBoard::pca9532_setBlink0Leds(uint16_t ledMask)
embeddedartists 0:0fdadbc3d852 726 {
embeddedartists 0:0fdadbc3d852 727 _blink0Shadow |= ledMask;
embeddedartists 0:0fdadbc3d852 728 setLeds();
embeddedartists 0:0fdadbc3d852 729 }
embeddedartists 0:0fdadbc3d852 730
embeddedartists 4:b32cf4ef45c5 731 void EaLcdBoard::setWriteProtect(bool enable)
embeddedartists 4:b32cf4ef45c5 732 {
embeddedartists 4:b32cf4ef45c5 733 if (enable) {
embeddedartists 4:b32cf4ef45c5 734 pca9532_setLeds(0, LCDB_EEPROM_WP);
embeddedartists 4:b32cf4ef45c5 735 } else {
embeddedartists 4:b32cf4ef45c5 736 pca9532_setLeds(LCDB_EEPROM_WP, 0);
embeddedartists 4:b32cf4ef45c5 737 }
embeddedartists 4:b32cf4ef45c5 738 }
embeddedartists 4:b32cf4ef45c5 739
embeddedartists 0:0fdadbc3d852 740 void EaLcdBoard::set3V3Signal(bool enabled) {
embeddedartists 0:0fdadbc3d852 741 if (enabled) {
embeddedartists 0:0fdadbc3d852 742 pca9532_setLeds(LCDB_CTRL_3V3, 0);
embeddedartists 0:0fdadbc3d852 743 } else {
embeddedartists 0:0fdadbc3d852 744 pca9532_setLeds(0, LCDB_CTRL_3V3);
embeddedartists 0:0fdadbc3d852 745 }
embeddedartists 0:0fdadbc3d852 746 }
embeddedartists 0:0fdadbc3d852 747
embeddedartists 0:0fdadbc3d852 748 void EaLcdBoard::set5VSignal(bool enabled) {
embeddedartists 0:0fdadbc3d852 749 if (enabled) {
embeddedartists 0:0fdadbc3d852 750 pca9532_setLeds(LCDB_CTRL_5V, 0);
embeddedartists 0:0fdadbc3d852 751 } else {
embeddedartists 0:0fdadbc3d852 752 pca9532_setLeds(0, LCDB_CTRL_5V);
embeddedartists 0:0fdadbc3d852 753 }
embeddedartists 0:0fdadbc3d852 754 }
embeddedartists 0:0fdadbc3d852 755
embeddedartists 0:0fdadbc3d852 756 void EaLcdBoard::setDisplayEnableSignal(bool enabled) {
embeddedartists 0:0fdadbc3d852 757 if (!enabled) {
embeddedartists 0:0fdadbc3d852 758 pca9532_setLeds(LCDB_CTRL_DISP_EN, 0);
embeddedartists 0:0fdadbc3d852 759 } else {
embeddedartists 0:0fdadbc3d852 760 pca9532_setLeds(0, LCDB_CTRL_DISP_EN);
embeddedartists 0:0fdadbc3d852 761 }
embeddedartists 0:0fdadbc3d852 762 }
embeddedartists 0:0fdadbc3d852 763
embeddedartists 0:0fdadbc3d852 764 void EaLcdBoard::setBacklightContrast(uint32_t value) {
embeddedartists 0:0fdadbc3d852 765
embeddedartists 0:0fdadbc3d852 766 if (value > 100) return;
embeddedartists 0:0fdadbc3d852 767
embeddedartists 0:0fdadbc3d852 768 pca9532_setBlink0Duty(100-value);
embeddedartists 0:0fdadbc3d852 769 pca9532_setBlink0Period(0);
embeddedartists 0:0fdadbc3d852 770 pca9532_setBlink0Leds(LCDB_CTRL_BL_C);
embeddedartists 0:0fdadbc3d852 771 }
embeddedartists 0:0fdadbc3d852 772
embeddedartists 0:0fdadbc3d852 773
embeddedartists 0:0fdadbc3d852 774 // convert string to integer
embeddedartists 0:0fdadbc3d852 775 static uint32_t str_to_uint(char* str, uint32_t len)
embeddedartists 0:0fdadbc3d852 776 {
embeddedartists 0:0fdadbc3d852 777 uint32_t val = 0;
embeddedartists 0:0fdadbc3d852 778
embeddedartists 0:0fdadbc3d852 779 while(len > 0 && *str <= '9' && *str >= '0') {
embeddedartists 0:0fdadbc3d852 780 val = (val * 10) + (*str - '0');
embeddedartists 0:0fdadbc3d852 781 str++;
embeddedartists 0:0fdadbc3d852 782 len--;
embeddedartists 0:0fdadbc3d852 783 }
embeddedartists 0:0fdadbc3d852 784
embeddedartists 0:0fdadbc3d852 785 return val;
embeddedartists 0:0fdadbc3d852 786 }
embeddedartists 0:0fdadbc3d852 787
embeddedartists 0:0fdadbc3d852 788