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Diff: u8glibARM/u8g_com_io.c
- Revision:
- 2:6cd3b0947188
- Parent:
- 1:0e75de2a5d21
- Child:
- 3:4cd9171ba989
--- a/u8glibARM/u8g_com_io.c Mon Jun 13 02:21:11 2016 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,375 +0,0 @@
-/*
-
- u8g_com_io.c
-
- abstraction layer for low level i/o
-
- Universal 8bit Graphics Library
-
- Copyright (c) 2012, olikraus@gmail.com
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without modification,
- are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice, this list
- of conditions and the following disclaimer.
-
- * Redistributions in binary form must reproduce the above copyright notice, this
- list of conditions and the following disclaimer in the documentation and/or other
- materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- Update for ATOMIC operation done (01 Jun 2013)
- U8G_ATOMIC_OR(ptr, val)
- U8G_ATOMIC_AND(ptr, val)
- U8G_ATOMIC_START();
- U8G_ATOMIC_END();
-
- uint8_t u8g_Pin(uint8_t port, uint8_t bitpos) Convert to internal number: AVR: port*8+bitpos, ARM: port*16+bitpos
- void u8g_SetPinOutput(uint8_t internal_pin_number)
- void u8g_SetPinInput(uint8_t internal_pin_number)
- void u8g_SetPinLevel(uint8_t internal_pin_number, uint8_t level)
- uint8_t u8g_GetPinLevel(uint8_t internal_pin_number)
-
-
-*/
-
-#include "u8g.h"
-
-#if defined(__AVR__)
-
-#include <avr/interrupt.h>
-#include <avr/io.h>
-
-typedef volatile uint8_t * IO_PTR;
-
-/* create internal pin number */
-uint8_t u8g_Pin(uint8_t port, uint8_t bitpos)
-{
- port <<= 3;
- port += bitpos;
- return port;
-}
-
-const IO_PTR u8g_avr_ddr_P[] PROGMEM = {
-#ifdef DDRA
- &DDRA,
-#else
- 0,
-#endif
- &DDRB,
-#ifdef DDRC
- &DDRC,
-#ifdef DDRD
- &DDRD,
-#ifdef DDRE
- &DDRE,
-#ifdef DDRF
- &DDRF,
-#ifdef DDRG
- &DDRG,
-#ifdef DDRH
- &DDRH,
-#endif
-#endif
-#endif
-#endif
-#endif
-#endif
-};
-
-
-const IO_PTR u8g_avr_port_P[] PROGMEM = {
-#ifdef PORTA
- &PORTA,
-#else
- 0,
-#endif
- &PORTB,
-#ifdef PORTC
- &PORTC,
-#ifdef PORTD
- &PORTD,
-#ifdef PORTE
- &PORTE,
-#ifdef PORTF
- &PORTF,
-#ifdef PORTG
- &PORTG,
-#ifdef PORTH
- &PORTH,
-#endif
-#endif
-#endif
-#endif
-#endif
-#endif
-};
-
-const IO_PTR u8g_avr_pin_P[] PROGMEM = {
-#ifdef PINA
- &PINA,
-#else
- 0,
-#endif
- &PINB,
-#ifdef PINC
- &PINC,
-#ifdef PIND
- &PIND,
-#ifdef PINE
- &PINE,
-#ifdef PINF
- &PINF,
-#ifdef PING
- &PING,
-#ifdef PINH
- &PINH,
-#endif
-#endif
-#endif
-#endif
-#endif
-#endif
-};
-
-static volatile uint8_t *u8g_get_avr_io_ptr(const IO_PTR *base, uint8_t offset)
-{
- volatile uint8_t * tmp;
- base += offset;
- memcpy_P(&tmp, base, sizeof(volatile uint8_t * PROGMEM));
- return tmp;
-}
-
-/* set direction to output of the specified pin (internal pin number) */
-void u8g_SetPinOutput(uint8_t internal_pin_number)
-{
- *u8g_get_avr_io_ptr(u8g_avr_ddr_P, internal_pin_number>>3) |= _BV(internal_pin_number&7);
-}
-
-void u8g_SetPinInput(uint8_t internal_pin_number)
-{
- *u8g_get_avr_io_ptr(u8g_avr_ddr_P, internal_pin_number>>3) &= ~_BV(internal_pin_number&7);
-}
-
-void u8g_SetPinLevel(uint8_t internal_pin_number, uint8_t level)
-{
- volatile uint8_t * tmp = u8g_get_avr_io_ptr(u8g_avr_port_P, internal_pin_number>>3);
-
- if ( level == 0 )
- {
- U8G_ATOMIC_AND(tmp, ~_BV(internal_pin_number&7));
- // *tmp &= ~_BV(internal_pin_number&7);
- }
- else
- {
- U8G_ATOMIC_OR(tmp, _BV(internal_pin_number&7));
- //*tmp |= _BV(internal_pin_number&7);
- }
-
-}
-
-uint8_t u8g_GetPinLevel(uint8_t internal_pin_number)
-{
- volatile uint8_t * tmp = u8g_get_avr_io_ptr(u8g_avr_pin_P, internal_pin_number>>3);
- if ( ((*tmp) & _BV(internal_pin_number&7)) != 0 )
- return 1;
- return 0;
-}
-
-#elif defined (__MSP430__)
-#include <msp430.h>
-
-typedef volatile uint8_t * IO_PTR;
-
-// MSP430 F5XXX / F6XXX series.
-const IO_PTR u8g_msp_ddr_P[] PROGMEM = {
- &P1DIR
- ,&P2DIR
- ,&P3DIR
- ,&P4DIR
- ,&P5DIR
- ,&P6DIR
- ,&P7DIR
- ,&P8DIR
-#if defined (__MSP430_HAS_PORT9_R__)
- ,&P9DIR
-#if defined (__MSP430_HAS_PORT10_R__)
- ,&P10DIR
-#endif
-#endif
-};
-
-const IO_PTR u8g_msp_port_P[] PROGMEM = {
- &P1OUT
- ,&P2OUT
- ,&P3OUT
- ,&P4OUT
- ,&P5OUT
- ,&P6OUT
- ,&P7OUT
- ,&P8OUT
-#if defined (__MSP430_HAS_PORT9_R__)
- ,&P9OUT
-#if defined (__MSP430_HAS_PORT10_R__)
- ,&P10OUT
-#endif
-#endif
-};
-
-const IO_PTR u8g_msp_pin_P[] PROGMEM = {
- &P1IN
- ,&P2IN
- ,&P3IN
- ,&P4IN
- ,&P5IN
- ,&P6IN
- ,&P7IN
- ,&P8IN
-#if defined (__MSP430_HAS_PORT9_R__)
- ,&P9IN
-#if defined (__MSP430_HAS_PORT10_R__)
- ,&P10IN
-#endif
-#endif
-};
-
-uint8_t u8g_Pin(uint8_t port, uint8_t bitpos)
-{
- port <<= 3;
- port += bitpos;
- return port;
-}
-
-void u8g_SetPinOutput(uint8_t internal_pin_number)
-{
- uint8_t port = (internal_pin_number >> 3)-1;
- uint8_t output = 1 << (internal_pin_number & 0x07);
- *u8g_msp_ddr_P[port] |= output;
-}
-
-void u8g_SetPinInput(uint8_t internal_pin_number)
-{
- uint8_t port = (internal_pin_number >> 3)-1;
- *u8g_msp_ddr_P[port] &= ~(1 << (internal_pin_number & 0x07));
-}
-
-void u8g_SetPinLevel(uint8_t internal_pin_number, uint8_t level)
-{
- uint8_t port = (internal_pin_number >> 3)-1;
- if (level == 0)
- {
- *u8g_msp_port_P[port] &= ~(1 << (internal_pin_number & 0x07));
- }
- else
- {
- *u8g_msp_port_P[port]|= (1 << (internal_pin_number & 0x07));
- }
-}
-
-uint8_t u8g_GetPinLevel(uint8_t internal_pin_number)
-{
- uint8_t port = (internal_pin_number >> 3)-1;
- uint8_t tmp = *u8g_msp_pin_P[port];
- if (tmp & (1 << (internal_pin_number & 0x07)))
- {
- return 1;
- }
- return 0;
-}
-
-#elif defined(U8G_RASPBERRY_PI)
-
-#include <wiringPi.h>
-//#include "/usr/local/include/wiringPi.h"
-
-void u8g_SetPinOutput(uint8_t internal_pin_number) {
- pinMode(internal_pin_number, OUTPUT);
-}
-
-void u8g_SetPinInput(uint8_t internal_pin_number) {
- pinMode(internal_pin_number, INPUT);
-}
-
-void u8g_SetPinLevel(uint8_t internal_pin_number, uint8_t level) {
- digitalWrite(internal_pin_number, level);
-}
-
-uint8_t u8g_GetPinLevel(uint8_t internal_pin_number) {
- return digitalRead(internal_pin_number);
-}
-
-
-#else
-
-/* convert "port" and "bitpos" to internal pin number */
-uint8_t u8g_Pin(uint8_t port, uint8_t bitpos)
-{
- port <<= 3;
- port += bitpos;
- return port;
-}
-
-void u8g_SetPinOutput(uint8_t internal_pin_number)
-{
-}
-
-void u8g_SetPinInput(uint8_t internal_pin_number)
-{
-}
-
-void u8g_SetPinLevel(uint8_t internal_pin_number, uint8_t level)
-{
-}
-
-uint8_t u8g_GetPinLevel(uint8_t internal_pin_number)
-{
- return 0;
-}
-
-#endif
-
-
-#if defined(U8G_WITH_PINLIST)
-
-void u8g_SetPIOutput(u8g_t *u8g, uint8_t pi)
-{
- uint8_t pin;
- pin = u8g->pin_list[pi];
- if ( pin != U8G_PIN_NONE )
- u8g_SetPinOutput(pin);
-}
-
-void u8g_SetPILevel(u8g_t *u8g, uint8_t pi, uint8_t level)
-{
- uint8_t pin;
- pin = u8g->pin_list[pi];
- if ( pin != U8G_PIN_NONE )
- u8g_SetPinLevel(pin, level);
-}
-
-#else /* defined(U8G_WITH_PINLIST) */
-void u8g_SetPIOutput(u8g_t *u8g, uint8_t pi)
-{
-}
-
-void u8g_SetPILevel(u8g_t *u8g, uint8_t pi, uint8_t level)
-{
-}
-
-#endif /* defined(U8G_WITH_PINLIST) */
-