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@@ -49,9 +49,10 @@ |
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// ----- Function Declarations ----- |
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// CLI Functions |
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void cliFunc_lcdCmd( char* args ); |
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void cliFunc_lcdInit( char* args ); |
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void cliFunc_lcdTest( char* args ); |
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void cliFunc_lcdCmd ( char* args ); |
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void cliFunc_lcdColor( char* args ); |
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void cliFunc_lcdInit ( char* args ); |
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void cliFunc_lcdTest ( char* args ); |
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@@ -65,11 +66,13 @@ 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( 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( lcdInit ), |
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CLIDict_Item( lcdTest ), |
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{ 0, 0, 0 } // Null entry for dictionary end |
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@@ -290,25 +293,23 @@ 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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// 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 - Highest power usage/best result |
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// 1 - 36 MHz |
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// 2 - 18 MHz |
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// 3 - 9 MHz - Slightly visible flicker (peripheral vision) |
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// 4 - 4 500 kHz - Visible flickering |
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// 5 - 2 250 kHz |
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// 6 - 1 125 kHz |
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// 7 - 562 500 Hz |
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// 0 - 72 MHz -> 549 Hz |
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// 1 - 36 MHz -> 275 Hz |
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// 2 - 18 MHz -> 137 Hz |
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// 3 - 9 MHz -> 69 Hz (Slightly visible flicker) |
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// 4 - 4 500 kHz -> 34 Hz (Visible flickering) |
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// 5 - 2 250 kHz -> 17 Hz |
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// 6 - 1 125 kHz -> 9 Hz |
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// 7 - 562 500 Hz -> 4 Hz |
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// Using a higher pre-scalar without flicker is possible but FTM0_MOD will need to be reduced |
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// Which will reduce the brightness range |
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// System clock, /w prescalar setting |
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FTM0_SC = FTM_SC_CLKS(1) | FTM_SC_PS( STLcdBacklightPrescalar_define ); |
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/* Write frequency TODO API |
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FTM0_SC = 0; |
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FTM0_CNT = 0; |
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FTM0_MOD = mod; |
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FTM0_SC = FTM_SC_CLKS(1) | FTM_SC_PS(prescale); |
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*/ |
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// Red |
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FTM0_C0V = STLcdBacklightRed_define; |
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PORTC_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(4); |
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@@ -400,3 +401,34 @@ cmd: |
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LCD_writeControlReg( cmd ); |
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} |
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void cliFunc_lcdColor( 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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// Colors |
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uint16_t rgb[3]; // Red, Green, Blue |
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// Parse integers from 3 arguments |
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for ( uint8_t color = 0; color < 3; color++ ) |
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{ |
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curArgs = arg2Ptr; |
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CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr ); |
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// Give up if not enough args given |
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if ( *arg1Ptr == '\0' ) |
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return; |
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// Convert argument to integer |
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rgb[ color ] = numToInt( arg1Ptr ); |
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} |
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// Set PWM channels |
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FTM0_C0V = rgb[0]; |
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FTM0_C1V = rgb[1]; |
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FTM0_C2V = rgb[2]; |
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print( NL ); // No \r\n by default after the command is entered |
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} |
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