Mercurial > louis > kiibohd-controller
annotate Scan/STLcd/lcd_scan.c @ 352:99b567a3b1f2
Adding cli API call to set LCD backlight brightness (16 bit per channel)
| author | Jacob Alexander <haata@kiibohd.com> |
|---|---|
| date | Sat, 01 Aug 2015 22:47:34 -0700 |
| parents | 38395a57cf52 |
| children | c6613db89cbe |
| rev | line source |
|---|---|
| 331 | 1 /* Copyright (C) 2015 by Jacob Alexander |
| 2 * | |
| 3 * This file is free software: you can redistribute it and/or modify | |
| 4 * it under the terms of the GNU General Public License as published by | |
| 5 * the Free Software Foundation, either version 3 of the License, or | |
| 6 * (at your option) any later version. | |
| 7 * | |
| 8 * This file is distributed in the hope that it will be useful, | |
| 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 11 * GNU General Public License for more details. | |
| 12 * | |
| 13 * You should have received a copy of the GNU General Public License | |
| 14 * along with this file. If not, see <http://www.gnu.org/licenses/>. | |
| 15 */ | |
| 16 | |
| 17 // ----- Includes ----- | |
| 18 | |
| 19 // Compiler Includes | |
| 20 #include <Lib/ScanLib.h> | |
| 21 | |
| 22 // Project Includes | |
| 23 #include <cli.h> | |
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24 #include <kll.h> |
| 331 | 25 #include <led.h> |
| 26 #include <print.h> | |
| 27 | |
| 28 // Local Includes | |
| 29 #include "lcd_scan.h" | |
| 30 | |
| 31 | |
| 32 | |
| 33 // ----- Defines ----- | |
| 34 | |
| 35 #define LCD_TOTAL_VISIBLE_PAGES 4 | |
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36 #define LCD_PAGE_LEN 128 |
| 331 | 37 |
| 38 | |
| 39 | |
| 40 // ----- Macros ----- | |
| 41 | |
| 42 // Number of entries in the SPI0 TxFIFO | |
| 43 #define SPI0_TxFIFO_CNT ( ( SPI0_SR & SPI_SR_TXCTR ) >> 12 ) | |
| 44 | |
| 45 | |
| 46 | |
| 47 // ----- Structs ----- | |
| 48 | |
| 49 // ----- Function Declarations ----- | |
| 50 | |
| 51 // CLI Functions | |
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52 void cliFunc_lcdCmd ( char* args ); |
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53 void cliFunc_lcdColor( char* args ); |
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54 void cliFunc_lcdInit ( char* args ); |
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55 void cliFunc_lcdTest ( char* args ); |
| 331 | 56 |
| 57 | |
| 58 | |
| 59 // ----- Variables ----- | |
| 60 | |
| 61 // Full Toggle State | |
| 62 uint8_t cliFullToggleState = 0; | |
| 63 | |
| 64 // Normal/Reverse Toggle State | |
| 65 uint8_t cliNormalReverseToggleState = 0; | |
| 66 | |
| 67 // Scan Module command dictionary | |
| 68 CLIDict_Entry( lcdCmd, "Send byte via SPI, second argument enables a0. Defaults to control." ); | |
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69 CLIDict_Entry( lcdColor, "Set backlight color. 3 16-bit numbers: R G B. i.e. 0xFFF 0x1444 0x32" ); |
| 331 | 70 CLIDict_Entry( lcdInit, "Re-initialize the LCD display." ); |
| 71 CLIDict_Entry( lcdTest, "Test out the LCD display." ); | |
| 72 | |
| 73 CLIDict_Def( lcdCLIDict, "ST LCD Module Commands" ) = { | |
| 74 CLIDict_Item( lcdCmd ), | |
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75 CLIDict_Item( lcdColor ), |
| 331 | 76 CLIDict_Item( lcdInit ), |
| 77 CLIDict_Item( lcdTest ), | |
| 78 { 0, 0, 0 } // Null entry for dictionary end | |
| 79 }; | |
| 80 | |
| 81 | |
| 82 | |
| 83 // ----- Interrupt Functions ----- | |
| 84 | |
| 85 | |
| 86 | |
| 87 // ----- Functions ----- | |
| 88 | |
| 89 inline void SPI_setup() | |
| 90 { | |
| 91 // Enable SPI internal clock | |
| 92 SIM_SCGC6 |= SIM_SCGC6_SPI0; | |
| 93 | |
| 94 // Setup MOSI (SOUT) and SCLK (SCK) | |
| 95 PORTC_PCR6 = PORT_PCR_DSE | PORT_PCR_MUX(2); | |
| 96 PORTC_PCR5 = PORT_PCR_DSE | PORT_PCR_MUX(2); | |
| 97 | |
| 98 // Setup SS (PCS) | |
| 99 PORTC_PCR4 = PORT_PCR_DSE | PORT_PCR_MUX(2); | |
| 100 | |
| 101 // Master Mode, CS0 | |
| 102 SPI0_MCR = SPI_MCR_MSTR | SPI_MCR_PCSIS(1); | |
| 103 | |
| 104 // DSPI Clock and Transfer Attributes | |
| 105 // Frame Size: 8 bits | |
| 106 // MSB First | |
| 107 // CLK Low by default | |
| 108 SPI0_CTAR0 = SPI_CTAR_FMSZ(7) | |
| 109 | SPI_CTAR_ASC(7) | |
| 110 | SPI_CTAR_DT(7) | |
| 111 | SPI_CTAR_CSSCK(7) | |
| 112 | SPI_CTAR_PBR(0) | SPI_CTAR_BR(7); | |
| 113 } | |
| 114 | |
| 115 // Write buffer to SPI FIFO | |
| 116 void SPI_write( uint8_t *buffer, uint8_t len ) | |
| 117 { | |
| 118 | |
| 119 for ( uint8_t byte = 0; byte < len; byte++ ) | |
| 120 { | |
| 121 // Wait for SPI TxFIFO to have 4 or fewer entries | |
| 122 while ( !( SPI0_SR & SPI_SR_TFFF ) ) | |
| 123 delayMicroseconds(10); | |
| 124 | |
| 125 // Write byte to TxFIFO | |
| 126 // CS0, CTAR0 | |
| 127 SPI0_PUSHR = ( buffer[ byte ] & 0xff ) | SPI_PUSHR_PCS(1); | |
| 128 | |
| 129 // Indicate transfer has completed | |
| 130 while ( !( SPI0_SR & SPI_SR_TCF ) ); | |
| 131 SPI0_SR |= SPI_SR_TCF; | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 // Write to a control register | |
| 136 void LCD_writeControlReg( uint8_t byte ) | |
| 137 { | |
| 138 // Wait for TxFIFO to be empt | |
| 139 while ( SPI0_TxFIFO_CNT != 0 ); | |
| 140 | |
| 141 // Set A0 low to enter control register mode | |
| 142 GPIOC_PCOR |= (1<<7); | |
| 143 | |
| 144 // Write byte to SPI FIFO | |
| 145 SPI_write( &byte, 1 ); | |
| 146 | |
| 147 // Wait for TxFIFO to be empty | |
| 148 while ( SPI0_TxFIFO_CNT != 0 ); | |
| 149 | |
| 150 // Make sure data has transferred | |
| 151 delayMicroseconds(10); // XXX Adjust if SPI speed changes | |
| 152 | |
| 153 // Set A0 high to go back to display register mode | |
| 154 GPIOC_PSOR |= (1<<7); | |
| 155 } | |
| 156 | |
| 157 // Write to display register | |
| 158 // Pages 0-7 normal display | |
| 159 // Page 8 icon buffer | |
| 160 void LCD_writeDisplayReg( uint8_t page, uint8_t *buffer, uint8_t len ) | |
| 161 { | |
| 162 // Set the register page | |
| 163 LCD_writeControlReg( 0xB0 | ( 0x0F & page ) ); | |
| 164 | |
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165 // Set display start line |
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166 LCD_writeControlReg( 0x40 ); |
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167 |
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168 // Reset Column Address |
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169 LCD_writeControlReg( 0x10 ); |
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170 LCD_writeControlReg( 0x00 ); |
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171 |
| 331 | 172 // Write buffer to SPI |
| 173 SPI_write( buffer, len ); | |
| 174 } | |
| 175 | |
| 176 inline void LCD_clearPage( uint8_t page ) | |
| 177 { | |
| 178 // Set the register page | |
| 179 LCD_writeControlReg( 0xB0 | ( 0x0F & page ) ); | |
| 180 | |
| 181 // Set display start line | |
| 182 LCD_writeControlReg( 0x40 ); | |
| 183 | |
| 184 // Reset Column Address | |
| 185 LCD_writeControlReg( 0x10 ); | |
| 186 LCD_writeControlReg( 0x00 ); | |
| 187 | |
| 188 for ( uint8_t page_reg = 0; page_reg < LCD_PAGE_LEN; page_reg++ ) | |
| 189 { | |
| 190 uint8_t byte = 0; | |
| 191 | |
| 192 // Write buffer to SPI | |
| 193 SPI_write( &byte, 1 ); | |
| 194 } | |
| 195 | |
| 196 // Wait for TxFIFO to be empty | |
| 197 while ( SPI0_TxFIFO_CNT != 0 ); | |
| 198 } | |
| 199 | |
| 200 // Clear Display | |
| 201 void LCD_clear() | |
| 202 { | |
| 203 // Setup each page | |
| 204 for ( uint8_t page = 0; page < LCD_TOTAL_VISIBLE_PAGES; page++ ) | |
| 205 { | |
| 206 LCD_clearPage( page ); | |
| 207 } | |
| 208 | |
| 209 // Reset Page, Start Line, and Column Address | |
| 210 // Page | |
| 211 LCD_writeControlReg( 0xB0 ); | |
| 212 | |
| 213 // Start Line | |
| 214 LCD_writeControlReg( 0x40 ); | |
| 215 | |
| 216 // Reset Column Address | |
| 217 LCD_writeControlReg( 0x10 ); | |
| 218 LCD_writeControlReg( 0x00 ); | |
| 219 } | |
| 220 | |
| 221 // Intialize display | |
| 222 void LCD_initialize() | |
| 223 { | |
| 224 // ADC Select (Normal) | |
| 225 LCD_writeControlReg( 0xA0 ); | |
| 226 | |
| 227 // LCD Off | |
| 228 LCD_writeControlReg( 0xAE ); | |
| 229 | |
| 230 // COM Scan Output Direction | |
| 231 LCD_writeControlReg( 0xC0 ); | |
| 232 | |
| 233 // LCD Bias (1/6 bias) | |
| 234 LCD_writeControlReg( 0xA2 ); | |
| 235 | |
| 236 // Power Supply Operating Mode (Internal Only) | |
| 237 LCD_writeControlReg( 0x2F ); | |
| 238 | |
| 239 // Internal Rb/Ra Ratio | |
| 240 LCD_writeControlReg( 0x26 ); | |
| 241 | |
| 242 // Reset | |
| 243 LCD_writeControlReg( 0xE2 ); | |
| 244 | |
| 245 // Electric volume mode set, and value | |
| 246 LCD_writeControlReg( 0x81 ); | |
| 247 LCD_writeControlReg( 0x00 ); | |
| 248 | |
| 249 // LCD On | |
| 250 LCD_writeControlReg( 0xAF ); | |
| 251 | |
| 252 // Clear Display RAM | |
| 253 LCD_clear(); | |
| 254 } | |
| 255 | |
| 256 // Setup | |
| 257 inline void LCD_setup() | |
| 258 { | |
| 259 // Register Scan CLI dictionary | |
| 260 CLI_registerDictionary( lcdCLIDict, lcdCLIDictName ); | |
| 261 | |
| 262 // Initialize SPI | |
| 263 SPI_setup(); | |
| 264 | |
| 265 // Setup Register Control Signal (A0) | |
| 266 // Start in display register mode (1) | |
| 267 GPIOC_PDDR |= (1<<7); | |
| 268 PORTC_PCR7 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1); | |
| 269 GPIOC_PSOR |= (1<<7); | |
| 270 | |
| 271 // Setup LCD Reset pin (RST) | |
| 272 // 0 - Reset, 1 - Normal Operation | |
| 273 // Start in normal mode (1) | |
| 274 GPIOC_PDDR |= (1<<8); | |
| 275 PORTC_PCR8 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1); | |
| 276 GPIOC_PSOR |= (1<<8); | |
| 277 | |
| 278 // Run LCD intialization sequence | |
| 279 LCD_initialize(); | |
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280 |
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281 // Setup Backlight |
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282 // TODO Expose default settings |
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283 SIM_SCGC6 |= SIM_SCGC6_FTM0; |
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284 FTM0_CNT = 0; // Reset counter |
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285 |
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286 // PWM Period |
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287 // 16-bit maximum |
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288 FTM0_MOD = 0xFFFF; |
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289 |
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290 // Set FTM to PWM output - Edge Aligned, Low-true pulses |
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291 FTM0_C0SC = 0x24; // MSnB:MSnA = 10, ELSnB:ELSnA = 01 |
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292 FTM0_C1SC = 0x24; |
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293 FTM0_C2SC = 0x24; |
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294 |
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295 // Base FTM clock selection (72 MHz system clock) |
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296 // @ 0xFFFF period, 72 MHz / 0xFFFF * 2 = Actual period |
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297 // Higher pre-scalar will use the most power (also look the best) |
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298 // Pre-scalar calculations |
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299 // 0 - 72 MHz -> 549 Hz |
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300 // 1 - 36 MHz -> 275 Hz |
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301 // 2 - 18 MHz -> 137 Hz |
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302 // 3 - 9 MHz -> 69 Hz (Slightly visible flicker) |
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303 // 4 - 4 500 kHz -> 34 Hz (Visible flickering) |
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304 // 5 - 2 250 kHz -> 17 Hz |
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305 // 6 - 1 125 kHz -> 9 Hz |
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306 // 7 - 562 500 Hz -> 4 Hz |
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307 // Using a higher pre-scalar without flicker is possible but FTM0_MOD will need to be reduced |
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308 // Which will reduce the brightness range |
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309 |
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310 // System clock, /w prescalar setting |
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311 FTM0_SC = FTM_SC_CLKS(1) | FTM_SC_PS( STLcdBacklightPrescalar_define ); |
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312 |
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313 // Red |
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314 FTM0_C0V = STLcdBacklightRed_define; |
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315 PORTC_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(4); |
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316 |
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317 // Green |
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318 FTM0_C1V = STLcdBacklightGreen_define; |
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319 PORTC_PCR2 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(4); |
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320 |
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321 // Blue |
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322 FTM0_C2V = STLcdBacklightBlue_define; |
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323 PORTC_PCR3 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(4); |
| 331 | 324 } |
| 325 | |
| 326 | |
| 327 // LCD State processing loop | |
| 328 inline uint8_t LCD_scan() | |
| 329 { | |
| 330 // NOP - Screen Refresh | |
| 331 //LCD_writeControlReg( 0xE3 ); | |
| 332 return 0; | |
| 333 } | |
| 334 | |
| 335 | |
| 336 | |
| 337 // ----- CLI Command Functions ----- | |
| 338 | |
| 339 void cliFunc_lcdInit( char* args ) | |
| 340 { | |
| 341 print( NL ); // No \r\n by default after the command is entered | |
| 342 LCD_initialize(); | |
| 343 } | |
| 344 | |
| 345 void cliFunc_lcdTest( char* args ) | |
| 346 { | |
| 347 print( NL ); // No \r\n by default after the command is entered | |
| 348 | |
| 349 //LCD_initialize(); | |
| 350 // Test pattern | |
| 351 uint8_t pattern[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; | |
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352 |
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353 |
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354 uint8_t logo[] = { |
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355 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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356 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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357 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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358 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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359 }; |
| 331 | 360 //uint8_t pattern[] = { 0xFF, 0x00, 0x96, 0xFF, 0x00, 0xFF, 0x00 }; |
| 361 | |
| 362 // Write to page D0 | |
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363 //LCD_writeDisplayReg( 0, pattern, sizeof( pattern ) ); |
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364 |
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365 for ( uint8_t page = 0; page < LCD_TOTAL_VISIBLE_PAGES; page++ ) |
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366 { |
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367 LCD_writeDisplayReg( page, &logo[page * LCD_PAGE_LEN], LCD_PAGE_LEN ); |
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368 } |
| 331 | 369 } |
| 370 | |
| 371 void cliFunc_lcdCmd( char* args ) | |
| 372 { | |
| 373 char* curArgs; | |
| 374 char* arg1Ptr; | |
| 375 char* arg2Ptr = args; | |
| 376 | |
| 377 print( NL ); // No \r\n by default after the command is entered | |
| 378 | |
| 379 curArgs = arg2Ptr; // Use the previous 2nd arg pointer to separate the next arg from the list | |
| 380 CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr ); | |
| 381 | |
| 382 // No args | |
| 383 if ( *arg1Ptr == '\0' ) | |
| 384 return; | |
| 385 | |
| 386 // SPI Command | |
| 387 uint8_t cmd = (uint8_t)numToInt( arg1Ptr ); | |
| 388 | |
| 389 curArgs = arg2Ptr; // Use the previous 2nd arg pointer to separate the next arg from the list | |
| 390 CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr ); | |
| 391 | |
| 392 // Single Arg | |
| 393 if ( *arg1Ptr == '\0' ) | |
| 394 goto cmd; | |
| 395 | |
| 396 // TODO Deal with a0 | |
| 397 cmd: | |
| 398 info_msg("Sending - "); | |
| 399 printHex( cmd ); | |
| 400 print( NL ); | |
| 401 LCD_writeControlReg( cmd ); | |
| 402 } | |
| 403 | |
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404 void cliFunc_lcdColor( char* args ) |
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405 { |
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406 char* curArgs; |
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407 char* arg1Ptr; |
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408 char* arg2Ptr = args; |
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409 |
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410 // Colors |
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411 uint16_t rgb[3]; // Red, Green, Blue |
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412 |
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413 // Parse integers from 3 arguments |
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414 for ( uint8_t color = 0; color < 3; color++ ) |
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415 { |
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416 curArgs = arg2Ptr; |
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417 CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr ); |
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418 |
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419 // Give up if not enough args given |
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420 if ( *arg1Ptr == '\0' ) |
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421 return; |
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422 |
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423 // Convert argument to integer |
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424 rgb[ color ] = numToInt( arg1Ptr ); |
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425 } |
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426 |
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427 // Set PWM channels |
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428 FTM0_C0V = rgb[0]; |
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429 FTM0_C1V = rgb[1]; |
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430 FTM0_C2V = rgb[2]; |
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431 |
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432 print( NL ); // No \r\n by default after the command is entered |
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433 } |
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434 |