From 91647264f8b05bf0fe5c58926a2e886b5fd85fe6 Mon Sep 17 00:00:00 2001 From: Rafaël Carré Date: Fri, 19 Mar 2010 15:13:29 +0000 Subject: lcd-ssd1303 (all Clips) : move model specific code in their own files git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25248 a1c6a512-1295-4272-9138-f99709370657 --- .../arm/as3525/sansa-clipplus/lcd-clip-plus.c | 66 ++++++++++++++++++++++ .../target/arm/as3525/sansa-clipplus/lcd-clip.h | 26 +++++++++ 2 files changed, 92 insertions(+) create mode 100644 firmware/target/arm/as3525/sansa-clipplus/lcd-clip-plus.c create mode 100644 firmware/target/arm/as3525/sansa-clipplus/lcd-clip.h (limited to 'firmware/target/arm/as3525/sansa-clipplus') diff --git a/firmware/target/arm/as3525/sansa-clipplus/lcd-clip-plus.c b/firmware/target/arm/as3525/sansa-clipplus/lcd-clip-plus.c new file mode 100644 index 0000000000..66e4de98ed --- /dev/null +++ b/firmware/target/arm/as3525/sansa-clipplus/lcd-clip-plus.c @@ -0,0 +1,66 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2008 François Dinel + * Copyright (C) 2008-2009 Rafaël Carré + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "config.h" + +#include "lcd.h" +#include "system.h" +#include "cpu.h" + +void lcd_hw_init(void) +{ + CGU_PERI |= CGU_SSP_CLOCK_ENABLE; + + SSP_CPSR = AS3525_SSP_PRESCALER; /* OF = 0x10 */ + SSP_CR0 = (1<<7) | (1<<6) | 7; /* Motorola SPI frame format, 8 bits */ + SSP_CR1 = (1<<3) | (1<<1); /* SSP Operation enabled */ + SSP_IMSC = 0; /* No interrupts */ + + GPIOA_DIR |= (1<<5); + GPIOB_DIR |= (1<<2) | (1<<7); + GPIOB_PIN(7) = 0; + GPIOA_PIN(5) = (1<<5); +} + +void lcd_write_command(int byte) +{ + while(SSP_SR & (1<<4)) /* BSY flag */ + ; + + GPIOB_PIN(2) = 0; + SSP_DATA = byte; + + while(SSP_SR & (1<<4)) /* BSY flag */ + ; +} + +void lcd_write_data(const fb_data* p_bytes, int count) +{ + GPIOB_PIN(2) = (1<<2); + + while (count--) + { + while(!(SSP_SR & (1<<1))) /* wait until transmit FIFO is not full */ + ; + + SSP_DATA = *p_bytes++; + } +} diff --git a/firmware/target/arm/as3525/sansa-clipplus/lcd-clip.h b/firmware/target/arm/as3525/sansa-clipplus/lcd-clip.h new file mode 100644 index 0000000000..753759638e --- /dev/null +++ b/firmware/target/arm/as3525/sansa-clipplus/lcd-clip.h @@ -0,0 +1,26 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2008-2009 Rafaël Carré + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +void lcd_hw_init(void); +static inline void lcd_enable_power(bool onoff) +{ + (void) onoff; +} -- cgit v1.2.3