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@@ -33,6 +33,7 @@ |
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// ----- Defines ----- |
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#define LCD_TOTAL_VISIBLE_PAGES 4 |
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#define LCD_TOTAL_PAGES 9 |
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#define LCD_PAGE_LEN 128 |
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@@ -51,6 +52,7 @@ |
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// CLI Functions |
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void cliFunc_lcdCmd ( char* args ); |
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void cliFunc_lcdColor( char* args ); |
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void cliFunc_lcdDisp ( char* args ); |
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void cliFunc_lcdInit ( char* args ); |
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void cliFunc_lcdTest ( char* args ); |
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@@ -70,12 +72,14 @@ uint8_t cliNormalReverseToggleState = 0; |
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// Scan Module command dictionary |
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CLIDict_Entry( lcdCmd, "Send byte via SPI, second argument enables a0. Defaults to control." ); |
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CLIDict_Entry( lcdColor, "Set backlight color. 3 16-bit numbers: R G B. i.e. 0xFFF 0x1444 0x32" ); |
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CLIDict_Entry( lcdDisp, "Write byte(s) to given page starting at given address. i.e. 0x1 0x5 0xFF 0x00" ); |
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CLIDict_Entry( lcdInit, "Re-initialize the LCD display." ); |
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CLIDict_Entry( lcdTest, "Test out the LCD display." ); |
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CLIDict_Def( lcdCLIDict, "ST LCD Module Commands" ) = { |
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CLIDict_Item( lcdCmd ), |
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CLIDict_Item( lcdColor ), |
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CLIDict_Item( lcdDisp ), |
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CLIDict_Item( lcdInit ), |
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CLIDict_Item( lcdTest ), |
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{ 0, 0, 0 } // Null entry for dictionary end |
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@@ -204,7 +208,7 @@ inline void LCD_clearPage( uint8_t page ) |
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void LCD_clear() |
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{ |
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// Setup each page |
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for ( uint8_t page = 0; page < LCD_TOTAL_VISIBLE_PAGES; page++ ) |
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for ( uint8_t page = 0; page < LCD_TOTAL_PAGES; page++ ) |
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{ |
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LCD_clearPage( page ); |
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} |
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@@ -286,7 +290,6 @@ inline void LCD_setup() |
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LCD_writeDisplayReg( page, (uint8_t*)&STLcdDefaultImage[page * LCD_PAGE_LEN], LCD_PAGE_LEN ); |
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// Setup Backlight |
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// TODO Expose default settings |
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SIM_SCGC6 |= SIM_SCGC6_FTM0; |
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FTM0_CNT = 0; // Reset counter |
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@@ -300,7 +303,7 @@ inline void LCD_setup() |
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FTM0_C2SC = 0x24; |
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// Base FTM clock selection (72 MHz system clock) |
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// @ 0xFFFF period, 72 MHz / 0xFFFF * 2 = Actual period |
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// @ 0xFFFF period, 72 MHz / (0xFFFF * 2) = Actual period |
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// Higher pre-scalar will use the most power (also look the best) |
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// Pre-scalar calculations |
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// 0 - 72 MHz -> 549 Hz |
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@@ -334,8 +337,6 @@ inline void LCD_setup() |
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// LCD State processing loop |
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inline uint8_t LCD_scan() |
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{ |
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// NOP - Screen Refresh |
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//LCD_writeControlReg( 0xE3 ); |
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return 0; |
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} |
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@@ -417,3 +418,50 @@ void cliFunc_lcdColor( char* args ) |
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FTM0_C2V = rgb[2]; |
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} |
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void cliFunc_lcdDisp( char* args ) |
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{ |
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char* curArgs; |
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char* arg1Ptr; |
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char* arg2Ptr = args; |
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// First process page and starting address |
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curArgs = arg2Ptr; |
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CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr ); |
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// Stop processing args if no more are found |
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if ( *arg1Ptr == '\0' ) |
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return; |
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uint8_t page = numToInt( arg1Ptr ); |
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curArgs = arg2Ptr; |
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CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr ); |
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// Stop processing args if no more are found |
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if ( *arg1Ptr == '\0' ) |
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return; |
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uint8_t address = numToInt( arg1Ptr ); |
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// Set the register page |
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LCD_writeControlReg( 0xB0 | ( 0x0F & page ) ); |
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// Set starting address |
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LCD_writeControlReg( 0x10 | ( ( 0xF0 & address ) >> 4 ) ); |
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LCD_writeControlReg( 0x00 | ( 0x0F & address )); |
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// Process all args |
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for ( ;; ) |
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{ |
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curArgs = arg2Ptr; |
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CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr ); |
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// Stop processing args if no more are found |
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if ( *arg1Ptr == '\0' ) |
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break; |
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uint8_t value = numToInt( arg1Ptr ); |
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// Write buffer to SPI |
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SPI_write( &value, 1 ); |
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} |
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} |
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