display funciona!
Dependents: 2018_I2C_LCD_03 TBI_FIAT_FEEDFORWARD Ignition Can_between_NUCLEOS_LCD ... more
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Diff: TextLCD.cpp
- Revision:
- 37:ce348c002929
- Parent:
- 36:9f5f86dfd44a
- Child:
- 38:cbe275b0b647
diff -r 9f5f86dfd44a -r ce348c002929 TextLCD.cpp --- a/TextLCD.cpp Tue Nov 25 19:21:18 2014 +0000 +++ b/TextLCD.cpp Sun Mar 29 13:08:03 2015 +0000 @@ -1,4 +1,4 @@ -/* mbed TextLCD Library, for a 4-bit LCD based on HD44780 +/* mbed TextLCD Library, for LCDs based on HD44780 controllers * Copyright (c) 2007-2010, sford, http://mbed.org * 2013, v01: WH, Added LCD types, fixed LCD address issues, added Cursor and UDCs * 2013, v02: WH, Added I2C and SPI bus interfaces @@ -17,6 +17,7 @@ * added 16 UDCs for supported devices (eg PCF2103), moved UDC defines to TextLCD_UDC file, added TextLCD_Config.h for feature and footprint settings. * 2014, v15: WH, Added AC780 support, added I2C expander modules, fixed setBacklight() for inverted logic modules. Fixed bug in LCD_SPI_N define * 2014, v16: WH, Added ST7070 and KS0073 support, added setIcon(), clrIcon() and setInvert() method for supported devices + * 2015, v17: WH, Clean up low-level _writeCommand() and _writeData(), Added support for alternative fonttables (eg PCF21XX), Added ST7066_ACM controller for ACM1602 module * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -57,6 +58,9 @@ // Addressing mode encoded in b19..b16 _addr_mode = _type & LCD_T_ADR_MSK; + + // Font table, encoded in LCDCtrl + _font = _type & LCD_C_FNT_MSK; } /** Init the LCD Controller(s) @@ -100,33 +104,35 @@ wait_ms(20); // Wait 20ms to ensure powered up - // The Controller could be in 8 bit mode (power-on reset) or in 4 bit mode (warm reboot) at this point. - // Follow this procedure to make sure the Controller enters the correct state. The hardware interface - // between the uP and the LCD can only write the 4 most significant bits (Most Significant Nibble, MSN). - // In 4 bit mode the LCD expects the MSN first, followed by the LSN. - // - // Current state: 8 bit mode | 4 bit mode, MSN is next | 4 bit mode, LSN is next - //------------------------------------------------------------------------------------------------- - _writeNibble(0x3); // set 8 bit mode (MSN) and dummy LSN, | set 8 bit mode (MSN), | set dummy LSN, - // remains in 8 bit mode | change to 8 bit mode | remains in 4 bit mode - wait_ms(15); // + if (dl == _LCD_DL_4) { + // The Controller could be in 8 bit mode (power-on reset) or in 4 bit mode (warm reboot) at this point. + // Follow this procedure to make sure the Controller enters the correct state. The hardware interface + // between the uP and the LCD can only write the 4 most significant bits (Most Significant Nibble, MSN). + // In 4 bit mode the LCD expects the MSN first, followed by the LSN. + // + // Current state: 8 bit mode | 4 bit mode, MSN is next | 4 bit mode, LSN is next + //------------------------------------------------------------------------------------------------- + _writeNibble(0x3); // set 8 bit mode (MSN) and dummy LSN, | set 8 bit mode (MSN), | set dummy LSN, + // remains in 8 bit mode | change to 8 bit mode | remains in 4 bit mode + wait_ms(15); // + + _writeNibble(0x3); // set 8 bit mode and dummy LSN, | set 8 bit mode and dummy LSN, | set 8bit mode (MSN), + // remains in 8 bit mode | remains in 8 bit mode | remains in 4 bit mode + wait_ms(15); // - _writeNibble(0x3); // set 8 bit mode and dummy LSN, | set 8 bit mode and dummy LSN, | set 8bit mode (MSN), - // remains in 8 bit mode | remains in 8 bit mode | remains in 4 bit mode - wait_ms(15); // - - _writeNibble(0x3); // set 8 bit mode and dummy LSN, | set 8 bit mode and dummy LSN, | set dummy LSN, - // remains in 8 bit mode | remains in 8 bit mode | change to 8 bit mode - wait_ms(15); // - - // Controller is now in 8 bit mode - - _writeNibble(0x2); // Change to 4-bit mode (MSN), the LSN is undefined dummy - wait_us(40); // most instructions take 40us - - // Display is now in 4-bit mode - // Note: 4/8 bit mode is ignored for most native SPI and I2C devices. They dont use the parallel bus. - // However, _writeNibble() method is void anyway for native SPI and I2C devices. + _writeNibble(0x3); // set 8 bit mode and dummy LSN, | set 8 bit mode and dummy LSN, | set dummy LSN, + // remains in 8 bit mode | remains in 8 bit mode | change to 8 bit mode + wait_ms(15); // + + // Controller is now in 8 bit mode + + _writeNibble(0x2); // Change to 4-bit mode (MSN), the LSN is undefined dummy + wait_us(40); // most instructions take 40us + + // Controller is now in 4-bit mode + // Note: 4/8 bit mode is ignored for most native SPI and I2C devices. They dont use the parallel bus. + // However, _writeNibble() method is void anyway for native SPI and I2C devices. + } // Device specific initialisations: DC/DC converter to generate VLCD or VLED, number of lines etc switch (_ctrl) { @@ -1193,6 +1199,7 @@ _writeCommand(0x20 | _function | ((~_contrast) >> 4)); // Invert and shift to use 2 MSBs break; // case PT6314 Controller (VFD) + case ST7066_ACM: // ST7066 4/8 bit, I2C on ACM1602 using a PIC default: // Devices fully compatible to HD44780 that do not use any DC/DC Voltage converters but external VLCD, no icons etc @@ -1329,9 +1336,12 @@ } } else { - //Character to write - _writeData(value); - + //Character to write +#if (LCD_DEFAULT_FONT == 1) + _writeData(value); +#else + _writeData(ASCII_2_LCD(value)); +#endif //Update Cursor _column++; if (_column >= columns()) { @@ -1356,6 +1366,30 @@ return -1; } +/** Convert ASCII character code to the LCD fonttable code + * + * @param c The character to write to the display + * @return The character code for the specific fonttable of the controller + */ +int TextLCD_Base::ASCII_2_LCD (int c) { + +//LCD_C_FT0 is default for HD44780 and compatible series + if (_font == LCD_C_FT0) return c; + +//LCD_C_FT1 for PCF21XXC series +//Used code from Suga koubou library for PCF2119 + if (((c >= ' ') && (c <= '?')) || ((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z'))) { + c |= 0x80; + } else if (c >= 0xf0 && c <= 0xff) { + c &= 0x0f; + } + return c; + +//LCD_C_FT2 ... +//@TODO add more, eg cyrillic +//@TODO add method to switch between fonts for controllers that support this +} + #if(LCD_PRINTF != 1) /** Write a character to the LCD @@ -1383,17 +1417,15 @@ #endif - // Write a nibble using the 4-bit interface void TextLCD_Base::_writeNibble(int value) { // Enable is Low this->_setEnable(true); - this->_setData(value & 0x0F); // Low nibble + this->_setData(value); // Low nibble wait_us(1); // Data setup time this->_setEnable(false); wait_us(1); // Datahold time - // Enable is Low } @@ -1408,7 +1440,7 @@ wait_us(1); // Data hold time this->_setEnable(true); - this->_setData(value >> 0); // Low nibble + this->_setData(value); // Low nibble wait_us(1); // Data setup time this->_setEnable(false); wait_us(1); // Datahold time @@ -2644,8 +2676,8 @@ // No Hardware Enable pin _e2 = NULL; //Construct dummy pin } - - _init(); + + _init(_LCD_DL_4); // Set Datalength to 4 bit for mbed bus interfaces } /** Destruct a TextLCD interface for using regular mbed pins @@ -2742,23 +2774,27 @@ #if (MCP23008==1) // MCP23008 portexpander Init - _write_register(IODIR, 0x00); // All outputs - _write_register(IPOL, 0x00); // No reverse polarity - _write_register(GPINTEN, 0x00); // No interrupt - _write_register(DEFVAL, 0x00); // Default value to compare against for interrupts - _write_register(INTCON, 0x00); // No interrupt on changes - _write_register(IOCON, 0x00); // Interrupt polarity - _write_register(GPPU, 0x00); // No Pullup - _write_register(INTF, 0x00); // - _write_register(INTCAP, 0x00); // - _write_register(GPIO, 0x00); // Output/Input pins - _write_register(OLAT, 0x00); // Output Latch + _writeRegister(IODIR, 0x00); // All pins are outputs + _writeRegister(IPOL, 0x00); // No reverse polarity on inputs + _writeRegister(GPINTEN, 0x00); // No interrupt on change of input pins + _writeRegister(DEFVAL, 0x00); // Default value to compare against for interrupts + _writeRegister(INTCON, 0x00); // No interrupt on changes, compare against previous pin value + _writeRegister(IOCON, 0x20); // b1=0 - Interrupt polarity active low + // b2=0 - Interrupt pin active driver output + // b4=0 - Slew rate enable on SDA + // b5=0 - Auto-increment on registeraddress + // b5=1 - No auto-increment on registeraddress => needed for performance improved I2C expander mode + _writeRegister(GPPU, 0x00); // No Pullup +// INTF // Interrupt flags read (Read-Only) +// INTCAP // Captured inputpins at time of interrupt (Read-Only) +// _writeRegister(GPIO, 0x00); // Output/Input pins +// _writeRegister(OLAT, 0x00); // Output Latch // Init the portexpander bus _lcd_bus = D_LCD_BUS_DEF; // write the new data to the portexpander - _write_register(GPIO, _lcd_bus); + _writeRegister(GPIO, _lcd_bus); #else // PCF8574 of PCF8574A portexpander @@ -2769,12 +2805,12 @@ _i2c->write(_slaveAddress, &_lcd_bus, 1); #endif - _init(); + _init(_LCD_DL_4); // Set Datalength to 4 bit for all serial expander interfaces } -// Set E pin (or E2 pin) -// Used for mbed pins, I2C bus expander or SPI shiftregister -void TextLCD_I2C::_setEnable(bool value) { +// Set E bit (or E2 bit) in the databus shadowvalue +// Used for mbed I2C bus expander +void TextLCD_I2C::_setEnableBit(bool value) { if(_ctrl_idx==_LCDCtrl_0) { if (value) { @@ -2792,12 +2828,20 @@ _lcd_bus &= ~D_LCD_E2; // Reset E2bit } } +} + +// Set E pin (or E2 pin) +// Used for mbed pins, I2C bus expander or SPI shiftregister +void TextLCD_I2C::_setEnable(bool value) { + + // Place the E or E2 bit data on the databus shadowvalue + _setEnableBit(value); #if (MCP23008==1) // MCP23008 portexpander // write the new data to the portexpander - _write_register(GPIO, _lcd_bus); + _writeRegister(GPIO, _lcd_bus); #else // PCF8574 of PCF8574A portexpander @@ -2806,6 +2850,7 @@ #endif } + // Set RS pin // Used for mbed pins, I2C bus expander or SPI shiftregister void TextLCD_I2C::_setRS(bool value) { @@ -2821,7 +2866,7 @@ // MCP23008 portexpander // write the new data to the portexpander - _write_register(GPIO, _lcd_bus); + _writeRegister(GPIO, _lcd_bus); #else // PCF8574 of PCF8574A portexpander @@ -2845,7 +2890,63 @@ // MCP23008 portexpander // write the new data to the portexpander - _write_register(GPIO, _lcd_bus); + _writeRegister(GPIO, _lcd_bus); +#else + // PCF8574 of PCF8574A portexpander + + // write the new data to the I2C portexpander + _i2c->write(_slaveAddress, &_lcd_bus, 1); +#endif +} + + +// Place the 4bit data in the databus shadowvalue +// Used for mbed I2C bus expander +void TextLCD_I2C::_setDataBits(int value) { + + // Set bit by bit to support any mapping of expander portpins to LCD pins + if (value & 0x01){ + _lcd_bus |= D_LCD_D4; // Set Databit + } + else { + _lcd_bus &= ~D_LCD_D4; // Reset Databit + } + + if (value & 0x02){ + _lcd_bus |= D_LCD_D5; // Set Databit + } + else { + _lcd_bus &= ~D_LCD_D5; // Reset Databit + } + + if (value & 0x04) { + _lcd_bus |= D_LCD_D6; // Set Databit + } + else { + _lcd_bus &= ~D_LCD_D6; // Reset Databit + } + + if (value & 0x08) { + _lcd_bus |= D_LCD_D7; // Set Databit + } + else { + _lcd_bus &= ~D_LCD_D7; // Reset Databit + } +} + +// Place the 4bit data on the databus +// Used for mbed pins, I2C bus expander or SPI shifregister +void TextLCD_I2C::_setData(int value) { + + // Place the 4bit data on the databus shadowvalue + _setDataBits(value); + + // Place the 4bit data on the databus +#if (MCP23008==1) + // MCP23008 portexpander + + // write the new data to the portexpander + _writeRegister(GPIO, _lcd_bus); #else // PCF8574 of PCF8574A portexpander @@ -2854,65 +2955,207 @@ #endif } +// Write data to MCP23008 I2C portexpander +// Used for mbed I2C bus expander +void TextLCD_I2C::_writeRegister (int reg, int value) { + char data[] = {reg, value}; + + _i2c->write(_slaveAddress, data, 2); +} + +//New optimized +//Test faster _writeByte 0.11s vs 0.27s for a 20x4 fillscreen (PCF8574) +//Test faster _writeByte 0.14s vs 0.34s for a 20x4 fillscreen (MCP23008) + +// Write a byte using I2C +void TextLCD_I2C::_writeByte(int value) { + char data[6]; + +#if (MCP23008==1) + // MCP23008 portexpander + + data[0] = GPIO; // set registeraddres + // Note: auto-increment is disabled so all data will go to GPIO register + + _setEnableBit(true); // set E + _setDataBits(value >> 4); // set data high + data[1] = _lcd_bus; + + _setEnableBit(false); // clear E + data[2] = _lcd_bus; + + _setEnableBit(true); // set E + _setDataBits(value); // set data low + data[3] = _lcd_bus; + + _setEnableBit(false); // clear E + data[4] = _lcd_bus; + + // write the packed data to the I2C portexpander + _i2c->write(_slaveAddress, data, 5); +#else + // PCF8574 of PCF8574A portexpander + + _setEnableBit(true); // set E + _setDataBits(value >> 4); // set data high + data[0] = _lcd_bus; + + _setEnableBit(false); // clear E + data[1] = _lcd_bus; + + _setEnableBit(true); // set E + _setDataBits(value); // set data low + data[2] = _lcd_bus; + + _setEnableBit(false); // clear E + data[3] = _lcd_bus; + + // write the packed data to the I2C portexpander + _i2c->write(_slaveAddress, data, 4); +#endif +} + +#endif /* I2C Expander PCF8574/MCP23008 */ +//---------- End TextLCD_I2C ------------ + + +//--------- Start TextLCD_SPI ----------- +#if(LCD_SPI == 1) /* SPI Expander SN74595 */ + + /** Create a TextLCD interface using an SPI 74595 portexpander + * + * @param spi SPI Bus + * @param cs chip select pin (active low) + * @param type Sets the panel size/addressing mode (default = LCD16x2) + * @param ctrl LCD controller (default = HD44780) + */ +TextLCD_SPI::TextLCD_SPI(SPI *spi, PinName cs, LCDType type, LCDCtrl ctrl) : + TextLCD_Base(type, ctrl), + _spi(spi), + _cs(cs) { + + // Init cs + _cs = 1; + + // Setup the spi for 8 bit data, low steady state clock, + // rising edge capture, with a 500KHz or 1MHz clock rate + _spi->format(8,0); + _spi->frequency(500000); + //_spi.frequency(1000000); + + // Init the portexpander bus + _lcd_bus = D_LCD_BUS_DEF; + + // write the new data to the portexpander + _cs = 0; + _spi->write(_lcd_bus); + _cs = 1; + + _init(_LCD_DL_4); // Set Datalength to 4 bit for all serial expander interfaces +} + +// Set E pin (or E2 pin) +// Used for mbed pins, I2C bus expander or SPI shiftregister +void TextLCD_SPI::_setEnable(bool value) { + + if(_ctrl_idx==_LCDCtrl_0) { + if (value) { + _lcd_bus |= D_LCD_E; // Set E bit + } + else { + _lcd_bus &= ~D_LCD_E; // Reset E bit + } + } + else { + if (value) { + _lcd_bus |= D_LCD_E2; // Set E2 bit + } + else { + _lcd_bus &= ~D_LCD_E2; // Reset E2 bit + } + } + + // write the new data to the SPI portexpander + _cs = 0; + _spi->write(_lcd_bus); + _cs = 1; +} + +// Set RS pin +// Used for mbed pins, I2C bus expander or SPI shiftregister and SPI_N +void TextLCD_SPI::_setRS(bool value) { + + if (value) { + _lcd_bus |= D_LCD_RS; // Set RS bit + } + else { + _lcd_bus &= ~D_LCD_RS; // Reset RS bit + } + + // write the new data to the SPI portexpander + _cs = 0; + _spi->write(_lcd_bus); + _cs = 1; +} + +// Set BL pin +// Used for mbed pins, I2C bus expander or SPI shiftregister +void TextLCD_SPI::_setBL(bool value) { + + if (value) { + _lcd_bus |= D_LCD_BL; // Set BL bit + } + else { + _lcd_bus &= ~D_LCD_BL; // Reset BL bit + } + + // write the new data to the SPI portexpander + _cs = 0; + _spi->write(_lcd_bus); + _cs = 1; +} // Place the 4bit data on the databus -// Used for mbed pins, I2C bus expander or SPI shifregister -void TextLCD_I2C::_setData(int value) { - int data; +// Used for mbed pins, I2C bus expander or SPI shiftregister +void TextLCD_SPI::_setData(int value) { // Set bit by bit to support any mapping of expander portpins to LCD pins - - data = value & 0x0F; - if (data & 0x01){ + if (value & 0x01) { _lcd_bus |= D_LCD_D4; // Set Databit } - else { - _lcd_bus &= ~D_LCD_D4; // Reset Databit - } - - if (data & 0x02){ + else { + _lcd_bus &= ~D_LCD_D4; // Reset Databit + } + + if (value & 0x02) { _lcd_bus |= D_LCD_D5; // Set Databit } else { - _lcd_bus &= ~D_LCD_D5; // Reset Databit - } - - if (data & 0x04) { + _lcd_bus &= ~D_LCD_D5; // Reset Databit + } + + if (value & 0x04) { _lcd_bus |= D_LCD_D6; // Set Databit } - else { - _lcd_bus &= ~D_LCD_D6; // Reset Databit - } - - if (data & 0x08) { + else { + _lcd_bus &= ~D_LCD_D6; // Reset Databit + } + + if (value & 0x08) { _lcd_bus |= D_LCD_D7; // Set Databit } else { _lcd_bus &= ~D_LCD_D7; // Reset Databit } -#if (MCP23008==1) - // MCP23008 portexpander - - // write the new data to the portexpander - _write_register(GPIO, _lcd_bus); -#else - // PCF8574 of PCF8574A portexpander - - // write the new data to the I2C portexpander - _i2c->write(_slaveAddress, &_lcd_bus, 1); -#endif - + // write the new data to the SPI portexpander + _cs = 0; + _spi->write(_lcd_bus); + _cs = 1; } -// Write data to MCP23008 I2C portexpander -void TextLCD_I2C::_write_register (int reg, int value) { - char data[] = {reg, value}; - - _i2c->write(_slaveAddress, data, 2); -} -#endif /* I2C Expander PCF8574/MCP23008 */ -//---------- End TextLCD_I2C ------------ +#endif /* SPI Expander SN74595 */ +//---------- End TextLCD_SPI ------------ //--------- Start TextLCD_I2C_N --------- @@ -3015,6 +3258,7 @@ _i2c->write(_slaveAddress, data, 2); #else //Controllers that dont support ACK +//Note: This may be issue with some mbed platforms that dont fully/correctly support I2C byte operations. _i2c->start(); _i2c->write(_slaveAddress); _i2c->write(data[0]); @@ -3026,159 +3270,6 @@ //-------- End TextLCD_I2C_N ------------ -//--------- Start TextLCD_SPI ----------- -#if(LCD_SPI == 1) /* SPI Expander SN74595 */ - - /** Create a TextLCD interface using an SPI 74595 portexpander - * - * @param spi SPI Bus - * @param cs chip select pin (active low) - * @param type Sets the panel size/addressing mode (default = LCD16x2) - * @param ctrl LCD controller (default = HD44780) - */ -TextLCD_SPI::TextLCD_SPI(SPI *spi, PinName cs, LCDType type, LCDCtrl ctrl) : - TextLCD_Base(type, ctrl), - _spi(spi), - _cs(cs) { - - // Init cs - _setCS(true); - - // Setup the spi for 8 bit data, low steady state clock, - // rising edge capture, with a 500KHz or 1MHz clock rate - _spi->format(8,0); - _spi->frequency(500000); - //_spi.frequency(1000000); - - // Init the portexpander bus - _lcd_bus = D_LCD_BUS_DEF; - - // write the new data to the portexpander - _setCS(false); - _spi->write(_lcd_bus); - _setCS(true); - - _init(); -} - -// Set E pin (or E2 pin) -// Used for mbed pins, I2C bus expander or SPI shiftregister -void TextLCD_SPI::_setEnable(bool value) { - - if(_ctrl_idx==_LCDCtrl_0) { - if (value) { - _lcd_bus |= D_LCD_E; // Set E bit - } - else { - _lcd_bus &= ~D_LCD_E; // Reset E bit - } - } - else { - if (value) { - _lcd_bus |= D_LCD_E2; // Set E2 bit - } - else { - _lcd_bus &= ~D_LCD_E2; // Reset E2 bit - } - } - - // write the new data to the SPI portexpander - _setCS(false); - _spi->write(_lcd_bus); - _setCS(true); -} - -// Set RS pin -// Used for mbed pins, I2C bus expander or SPI shiftregister and SPI_N -void TextLCD_SPI::_setRS(bool value) { - - if (value) { - _lcd_bus |= D_LCD_RS; // Set RS bit - } - else { - _lcd_bus &= ~D_LCD_RS; // Reset RS bit - } - - // write the new data to the SPI portexpander - _setCS(false); - _spi->write(_lcd_bus); - _setCS(true); -} - -// Set BL pin -// Used for mbed pins, I2C bus expander or SPI shiftregister -void TextLCD_SPI::_setBL(bool value) { - - if (value) { - _lcd_bus |= D_LCD_BL; // Set BL bit - } - else { - _lcd_bus &= ~D_LCD_BL; // Reset BL bit - } - - // write the new data to the SPI portexpander - _setCS(false); - _spi->write(_lcd_bus); - _setCS(true); -} - -// Place the 4bit data on the databus -// Used for mbed pins, I2C bus expander or SPI shiftregister -void TextLCD_SPI::_setData(int value) { - int data; - - // Set bit by bit to support any mapping of expander portpins to LCD pins - - data = value & 0x0F; - if (data & 0x01) { - _lcd_bus |= D_LCD_D4; // Set Databit - } - else { - _lcd_bus &= ~D_LCD_D4; // Reset Databit - } - - if (data & 0x02) { - _lcd_bus |= D_LCD_D5; // Set Databit - } - else { - _lcd_bus &= ~D_LCD_D5; // Reset Databit - } - - if (data & 0x04) { - _lcd_bus |= D_LCD_D6; // Set Databit - } - else { - _lcd_bus &= ~D_LCD_D6; // Reset Databit - } - - if (data & 0x08) { - _lcd_bus |= D_LCD_D7; // Set Databit - } - else { - _lcd_bus &= ~D_LCD_D7; // Reset Databit - } - - // write the new data to the SPI portexpander - _setCS(false); - _spi->write(_lcd_bus); - _setCS(true); -} - -// Set CS line. -// Only used for SPI bus -void TextLCD_SPI::_setCS(bool value) { - - if (value) { - _cs = 1; // Set CS pin - } - else { - _cs = 0; // Reset CS pin - } -} -#endif /* SPI Expander SN74595 */ -//---------- End TextLCD_SPI ------------ - - //--------- Start TextLCD_SPI_N --------- #if(LCD_SPI_N == 1) /* Native SPI bus */ /** Create a TextLCD interface using a controller with a native SPI4 interface @@ -3202,12 +3293,12 @@ // Setup the spi for 8 bit data, high steady state clock, // rising edge capture, with a 500KHz or 1MHz clock rate // _spi->format(8,3); +// _spi->frequency(500000); // _spi->frequency(1000000); // Setup the spi for 8 bit data, low steady state clock, // rising edge capture, with a 500KHz or 1MHz clock rate _spi->format(8,0); -// _spi->frequency(300000); // _spi->frequency(500000); _spi->frequency(1000000); @@ -3292,13 +3383,12 @@ // Setup the spi for 8 bit data, high steady state clock, // rising edge capture, with a 500KHz or 1MHz clock rate // _spi->format(8,3); -// _spi->frequency(300000); +// _spi->frequency(500000); // _spi->frequency(1000000); // Setup the spi for 8 bit data, low steady state clock, // rising edge capture, with a 500KHz or 1MHz clock rate _spi->format(8,0); -// _spi->frequency(300000); // _spi->frequency(500000); _spi->frequency(1000000);