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Directory transmitter renamed to radio

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Bertrand Songis
2013-12-02 07:13:57 +01:00
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radio/src/targets/sky9x/lcd_driver.cpp
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/*
* Authors (alphabetical order)
* - Andre Bernet <bernet.andre@gmail.com>
* - Andreas Weitl
* - Bertrand Songis <bsongis@gmail.com>
* - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
* - Cameron Weeks <th9xer@gmail.com>
* - Erez Raviv
* - Gabriel Birkus
* - Jean-Pierre Parisy
* - Karl Szmutny
* - Michael Blandford
* - Michal Hlavinka
* - Pat Mackenzie
* - Philip Moss
* - Rob Thomson
* - Romolo Manfredini <romolo.manfredini@gmail.com>
* - Thomas Husterer
*
* opentx is based on code named
* gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
* er9x by Erez Raviv: http://code.google.com/p/er9x/,
* and the original (and ongoing) project by
* Thomas Husterer, th9x: http://code.google.com/p/th9x/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include "opentx.h"
// LCD i/o pins
// LCD_RES PC27
// LCD_CS1 PC26
// LCD_E PC12
// LCD_RnW PC13
// LCD_A0 PC15
// LCD_D0 PC0
// LCD_D1 PC7
// LCD_D2 PC6
// LCD_D3 PC5
// LCD_D4 PC4
// LCD_D5 PC3
// LCD_D6 PC2
// LCD_D7 PC1
#define LCD_DATA 0x000000FFL
#if !defined(REVA)
#define LCD_A0 0x00000080L
#else
#define LCD_A0 0x00008000L
#endif
#define LCD_RnW 0x00002000L
#define LCD_E 0x00001000L
#define LCD_CS1 0x04000000L
#define LCD_RES 0x08000000L
// Lookup table for prototype board
#if defined(REVA)
const uint8_t Lcd_lookup[] =
{
0x00,0x01,0x80,0x81,0x40,0x41,0xC0,0xC1,0x20,0x21,0xA0,0xA1,0x60,0x61,0xE0,0xE1,
0x10,0x11,0x90,0x91,0x50,0x51,0xD0,0xD1,0x30,0x31,0xB0,0xB1,0x70,0x71,0xF0,0xF1,
0x08,0x09,0x88,0x89,0x48,0x49,0xC8,0xC9,0x28,0x29,0xA8,0xA9,0x68,0x69,0xE8,0xE9,
0x18,0x19,0x98,0x99,0x58,0x59,0xD8,0xD9,0x38,0x39,0xB8,0xB9,0x78,0x79,0xF8,0xF9,
0x04,0x05,0x84,0x85,0x44,0x45,0xC4,0xC5,0x24,0x25,0xA4,0xA5,0x64,0x65,0xE4,0xE5,
0x14,0x15,0x94,0x95,0x54,0x55,0xD4,0xD5,0x34,0x35,0xB4,0xB5,0x74,0x75,0xF4,0xF5,
0x0C,0x0D,0x8C,0x8D,0x4C,0x4D,0xCC,0xCD,0x2C,0x2D,0xAC,0xAD,0x6C,0x6D,0xEC,0xED,
0x1C,0x1D,0x9C,0x9D,0x5C,0x5D,0xDC,0xDD,0x3C,0x3D,0xBC,0xBD,0x7C,0x7D,0xFC,0xFD,
0x02,0x03,0x82,0x83,0x42,0x43,0xC2,0xC3,0x22,0x23,0xA2,0xA3,0x62,0x63,0xE2,0xE3,
0x12,0x13,0x92,0x93,0x52,0x53,0xD2,0xD3,0x32,0x33,0xB2,0xB3,0x72,0x73,0xF2,0xF3,
0x0A,0x0B,0x8A,0x8B,0x4A,0x4B,0xCA,0xCB,0x2A,0x2B,0xAA,0xAB,0x6A,0x6B,0xEA,0xEB,
0x1A,0x1B,0x9A,0x9B,0x5A,0x5B,0xDA,0xDB,0x3A,0x3B,0xBA,0xBB,0x7A,0x7B,0xFA,0xFB,
0x06,0x07,0x86,0x87,0x46,0x47,0xC6,0xC7,0x26,0x27,0xA6,0xA7,0x66,0x67,0xE6,0xE7,
0x16,0x17,0x96,0x97,0x56,0x57,0xD6,0xD7,0x36,0x37,0xB6,0xB7,0x76,0x77,0xF6,0xF7,
0x0E,0x0F,0x8E,0x8F,0x4E,0x4F,0xCE,0xCF,0x2E,0x2F,0xAE,0xAF,0x6E,0x6F,0xEE,0xEF,
0x1E,0x1F,0x9E,0x9F,0x5E,0x5F,0xDE,0xDF,0x3E,0x3F,0xBE,0xBF,0x7E,0x7F,0xFE,0xFF
} ;
#endif
void lcdSendCtl(uint8_t val)
{
register Pio *pioptr ;
// register uint32_t x ;
#if defined(REVA)
pioptr = PIOC ;
pioptr->PIO_CODR = LCD_CS1 ; // Select LCD
pioptr->PIO_CODR = LCD_A0 ; // Control
pioptr->PIO_CODR = LCD_RnW ; // Write
pioptr->PIO_ODSR = Lcd_lookup[val] ;
#else
pioptr = PIOC ;
pioptr->PIO_CODR = LCD_CS1 ; // Select LCD
PIOA->PIO_CODR = LCD_A0 ;
pioptr->PIO_CODR = LCD_RnW ; // Write
pioptr->PIO_ODSR = val ;
#endif
pioptr->PIO_SODR = LCD_E ; // Start E pulse
// Need a delay here (250nS)
TC0->TC_CHANNEL[0].TC_CCR = 5 ; // Enable clock and trigger it (may only need trigger)
while ( TC0->TC_CHANNEL[0].TC_CV < 9 ) // Value depends on MCK/2 (used 18MHz)
{
// Wait
}
pioptr->PIO_CODR = LCD_E ; // End E pulse
#if defined(REVA)
pioptr->PIO_SODR = LCD_A0 ; // Data
#else
PIOA->PIO_SODR = LCD_A0 ; // Data
#endif
pioptr->PIO_SODR = LCD_CS1 ; // Deselect LCD
}
void lcdInit()
{
register Pio *pioptr ;
// /home/thus/txt/datasheets/lcd/KS0713.pdf
// ~/txt/flieger/ST7565RV17.pdf from http://www.glyn.de/content.asp?wdid=132&sid=
#if defined(REVA)
pioptr = PIOC ;
pioptr->PIO_PER = 0x0C00B0FFL ; // Enable bits 27,26,15,13,12,7-0
pioptr->PIO_CODR = LCD_E | LCD_RnW | LCD_A0 ;
pioptr->PIO_SODR = LCD_RES | LCD_CS1 ;
pioptr->PIO_OER = 0x0C00B0FFL ; // Set bits 27,26,15,13,12,7-0 output
pioptr->PIO_OWER = 0x000000FFL ; // Allow write to ls 8 bits in ODSR
#else
configure_pins( LCD_A0, PIN_ENABLE | PIN_LOW | PIN_OUTPUT | PIN_PORTA | PIN_NO_PULLUP ) ;
pioptr = PIOC ;
pioptr->PIO_PER = 0x0C0030FFL ; // Enable bits 27,26,13,12,7-0
pioptr->PIO_CODR = LCD_E | LCD_RnW ;
pioptr->PIO_SODR = LCD_RES | LCD_CS1 ;
pioptr->PIO_OER = 0x0C0030FFL ; // Set bits 27,26,13,12,7-0 output
pioptr->PIO_OWER = 0x000000FFL ; // Allow write to ls 8 bits in ODSR
#endif
pioptr->PIO_CODR = LCD_RES ; // Reset LCD
TC0->TC_CHANNEL[0].TC_CCR = 5 ; // Enable clock and trigger it (may only need trigger)
while ( TC0->TC_CHANNEL[0].TC_CV < 200 ) // > 10us, Value depends on MCK/2 (used 18MHz)
{
// Wait
}
pioptr->PIO_SODR = LCD_RES ; // Remove LCD reset
TC0->TC_CHANNEL[0].TC_CCR = 5 ; // Enable clock and trigger it (may only need trigger)
while ( TC0->TC_CHANNEL[0].TC_CV < 27000 ) // 1500us, Value depends on MCK/2 (used 18MHz)
{
// Wait
}
lcdSendCtl(0xe2); //Initialize the internal functions
lcdSendCtl(0xae); //DON = 0: display OFF
lcdSendCtl(0xa1); //ADC = 1: reverse direction(SEG132->SEG1)
lcdSendCtl(0xA6); //REV = 0: non-reverse display
lcdSendCtl(0xA4); //EON = 0: normal display. non-entire
lcdSendCtl(0xA2); // Select LCD bias=0
lcdSendCtl(0xC0); //SHL = 0: normal direction (COM1->COM64)
lcdSendCtl(0x2F); //Control power circuit operation VC=VR=VF=1
lcdSendCtl(0x25); //Select int resistance ratio R2 R1 R0 =5
lcdSendCtl(0x81); //Set reference voltage Mode
lcdSendCtl(0x22); // 24 SV5 SV4 SV3 SV2 SV1 SV0 = 0x18
lcdSendCtl(0xAF); //DON = 1: display ON
// g_eeGeneral.contrast = 0x22;
#if defined(REVA)
pioptr->PIO_ODR = 0x0000003CL ; // Set bits 2, 3, 4, 5 input
pioptr->PIO_PUER = 0x0000003CL ; // Set bits 2, 3, 4, 5 with pullups
pioptr->PIO_ODSR = 0 ; // Drive D0 low
#else
pioptr->PIO_ODR = 0x0000003AL ; // Set bits 1, 3, 4, 5 input
pioptr->PIO_PUER = 0x0000003AL ; // Set bits 1, 3, 4, 5 with pullups
pioptr->PIO_ODSR = 0 ; // Drive D0 low
#endif
}
void lcdSetRefVolt(uint8_t val)
{
register Pio *pioptr ;
pioptr = PIOC ;
// read the inputs, and lock the LCD lines
lcdInputs = PIOC->PIO_PDSR; // 6 LEFT, 5 RIGHT, 4 DOWN, 3 UP ()
lcdLock = 1 ;
pioptr->PIO_OER = 0x0C00B0FFL ; // Set bits 27,26,15,13,12,7-0 output
lcdSendCtl(0x81);
if ( val == 0 )
{
val = 0x22 ;
}
lcdSendCtl(val);
#if defined(REVA)
pioptr->PIO_ODR = 0x0000003CL ; // Set bits 2, 3, 4, 5 input
pioptr->PIO_PUER = 0x0000003CL ; // Set bits 2, 3, 4, 5 with pullups
#else
pioptr->PIO_ODR = 0x0000003AL ; // Set bits 1, 3, 4, 5 input
pioptr->PIO_PUER = 0x0000003AL ; // Set bits 1, 3, 4, 5 with pullups
#endif
pioptr->PIO_ODSR = lcdInputs; // Drive D0 low
lcdLock = 0 ;
}
void lcdRefresh()
{
register Pio *pioptr;
register uint8_t *p = displayBuf;
register uint32_t y;
register uint32_t x;
register uint32_t z;
register uint32_t ebit;
#if defined(REVA)
register uint8_t *lookup;
lookup = (uint8_t *) Lcd_lookup;
#endif
ebit = LCD_E;
#if !defined(REVA)
pioptr = PIOA;
pioptr->PIO_PER = 0x00000080; // Enable bit 7 (LCD-A0)
pioptr->PIO_OER = 0x00000080;// Set bit 7 output
#endif
// read the inputs, and lock the LCD lines
lcdInputs = PIOC->PIO_PDSR; // 6 LEFT, 5 RIGHT, 4 DOWN, 3 UP ()
lcdLock = 1 ;
pioptr = PIOC;
#if defined(REVA)
pioptr->PIO_OER = 0x0C00B0FFL; // Set bits 27,26,15,13,12,7-0 output
#else
pioptr->PIO_OER = 0x0C0030FFL; // Set bits 27,26,15,13,12,7-0 output
#endif
for (y = 0; y < 8; y++) {
lcdSendCtl(g_eeGeneral.optrexDisplay ? 0 : 0x04);
lcdSendCtl(0x10); //column addr 0
lcdSendCtl(y | 0xB0); //page addr y
pioptr->PIO_CODR = LCD_CS1; // Select LCD
PIOA->PIO_SODR = LCD_A0; // Data
pioptr->PIO_CODR = LCD_RnW; // Write
#if defined(REVA)
x = lookup[*p];
#else
x = *p;
#endif
for (z = 0; z < LCD_W; z += 1) {
// The following 7 lines replaces by a lookup table
// x = __RBIT( *p++ ) ;
// x >>= 23 ;
// if ( x & 0x00000100 )
// {
// x |= 1 ;
// }
// pioptr->PIO_ODSR = x ;
pioptr->PIO_ODSR = x;
pioptr->PIO_SODR = ebit; // Start E pulse
// Need a delay here (250nS)
p += 1;
#if defined(REVA)
x = lookup[*p];
#else
x = *p;
#endif
// TC0->TC_CHANNEL[0].TC_CCR = 5 ; // Enable clock and trigger it (may only need trigger)
// while ( TC0->TC_CHANNEL[0].TC_CV < 3 ) // Value depends on MCK/2 (used 6MHz)
// {
// // Wait
// }
pioptr->PIO_CODR = ebit; // End E pulse
}
pioptr->PIO_SODR = LCD_CS1; // Deselect LCD
}
pioptr->PIO_ODSR = 0xFF ; // Drive lines high
#if defined(REVA)
pioptr->PIO_PUER = 0x0000003CL ; // Set bits 2, 3, 4, 5 with pullups
pioptr->PIO_ODR = 0x0000003CL ; // Set bits 2, 3, 4, 5 input
#else
pioptr->PIO_PUER = 0x0000003AL ; // Set bits 1, 3, 4, 5 with pullups
pioptr->PIO_ODR = 0x0000003AL ; // Set bits 1, 3, 4, 5 input
#endif
pioptr->PIO_ODSR = lcdInputs; // Drive D0 low
lcdLock = 0;
}