Add TLS8204 on UEXT (Olimex MOD3310) to the SAM7EX256 board

This commit is contained in:
inmarket 2015-02-07 01:14:16 +10:00
parent b8eab8f035
commit 5b2fff679d
2 changed files with 161 additions and 0 deletions

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@ -0,0 +1,158 @@
/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
#ifndef _GDISP_LLD_BOARD_H
#define _GDISP_LLD_BOARD_H
#include "board_uext.h"
#define PORT_RESET UEXT_PORT_PIN5
#define PIN_RESET UEXT_PORTPIN_PIN5
#define PORT_DC UEXT_PORT_PIN6
#define PIN_DC UEXT_PORTPIN_PIN6
#define BIT_BASH TRUE // Native SPI is not working yet
#define DIRECT_IO TRUE // ChibiOS for the AT91SAM7 requires patch 7669 or higher if DIRECT_IO is FALSE
#if DIRECT_IO
#define PinIsOutput(port,pin) ((port)->PIO_OER = 1 << (pin), (port)->PIO_PER = 1 << (pin), (port)->PIO_MDDR = 1 << (pin), (port)->PIO_PPUDR = 1 << (pin))
#define PinSet(port,pin) (port)->PIO_SODR = 1 << (pin)
#define PinClear(port,pin) (port)->PIO_CODR = 1 << (pin)
#else
#define PinIsOutput(port,pin) palSetPadMode((port), (pin), PAL_MODE_OUTPUT_PUSHPULL)
#define PinSet(port,pin) palSetPad((port), (pin))
#define PinClear(port,pin) palClearPad((port), (pin))
#endif
#if BIT_BASH
// simple delays
void Delay(volatile unsigned long a) { while (a!=0) a--; }
void Delayc(volatile unsigned char a) { while (a!=0) a--; }
#else
static const SPIConfig spiconfig = {
0,
/* HW dependent part.*/
UEXT_SPI_CS_PORT,
UEXT_SPI_CS_PORTPIN,
0x01010801 // For AT91SAM7: 8bit, CPOL=1, NCPHA = 0, ClockPhase=0, SCLK = 48Mhz/8 = 6MHz
};
#endif
static inline void init_board(GDisplay *g) {
(void) g;
PinIsOutput (PORT_DC, PIN_DC);
PinIsOutput (PORT_RESET, PIN_RESET);
PinSet (PORT_RESET, PIN_RESET);
PinIsOutput (UEXT_SPI_CS_PORT, UEXT_SPI_CS_PORTPIN);
PinSet (UEXT_SPI_CS_PORT, UEXT_SPI_CS_PORTPIN);
#if BIT_BASH
PinIsOutput (UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
PinSet (UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
PinIsOutput (UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
PinSet (UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
#endif
}
static inline void post_init_board(GDisplay *g) {
(void) g;
}
static inline void setpin_reset(GDisplay *g, bool_t state) {
(void) g;
(void) state;
if (state)
PinClear(PORT_RESET, PIN_RESET);
else
PinSet(PORT_RESET, PIN_RESET);
}
static inline void set_backlight(GDisplay *g, uint8_t percent) {
(void) g;
(void) percent;
}
static inline void acquire_bus(GDisplay *g) {
(void) g;
#if BIT_BASH
PinClear(UEXT_SPI_CS_PORT, UEXT_SPI_CS_PORTPIN);
#else
spiStart(UEXT_SPI, &spiconfig);
spiSelect(UEXT_SPI);
#endif
}
static inline void release_bus(GDisplay *g) {
(void) g;
#if BIT_BASH
PinSet(UEXT_SPI_CS_PORT, UEXT_SPI_CS_PORTPIN);
#else
spiUnselect(UEXT_SPI);
spiStop(UEXT_SPI);
#endif
}
static inline void write_cmd(GDisplay *g, uint8_t cmd) {
(void) g;
// Command mode please
PinClear(PORT_DC, PIN_DC);
#if BIT_BASH
{
uint8_t bit;
for(bit = 0x80; bit; bit >>= 1) {
if(cmd & bit)
PinSet(UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
else
PinClear(UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
Delay(1);
PinClear(UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
Delay(1);
PinSet(UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
}
}
#else
spiStartSend(UEXT_SPI, 1, &cmd);
#endif
}
static inline void write_data(GDisplay *g, uint8_t* data, uint16_t length) {
(void) g;
// Data mode please
PinSet(PORT_DC, PIN_DC);
#if BIT_BASH
while(length--) {
uint8_t bit;
for(bit = 0x80; bit; bit >>= 1) {
if(*data & bit)
PinSet(UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
else
PinClear(UEXT_SPI_MOSI_PORT, UEXT_SPI_MOSI_PORTPIN);
Delay(1);
PinClear(UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
Delay(1);
PinSet(UEXT_SPI_SCK_PORT, UEXT_SPI_SCK_PORTPIN);
}
data++;
}
#else
spiStartSend(UEXT_SPI, length, data);
#endif
}
#endif /* _GDISP_LLD_BOARD_H */

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@ -12,3 +12,6 @@ Note there are two variants of this board - one with the GE8 display
and one with the GE12 display. This one is for the GE8 display.
There is an example Makefile and project in the examples directory.
There are also board files predefined for (just add driver to the makefile):
- TLS8204 on the UEXT connector (Olimex MOD3310)