Diff: u8glibARM/u8g_com_std_sw_spi.c

Revision:

2:6cd3b0947188

Parent:

1:0e75de2a5d21

Child:

3:4cd9171ba989

--- a/u8glibARM/u8g_com_std_sw_spi.c	Mon Jun 13 02:21:11 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,141 +0,0 @@
-/*
-  
-  u8g_com_std_sw_spi.c
-
-  Universal 8bit Graphics Library
-  
-  Copyright (c) 2015, 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.  
-  
-*/
-
-#include "u8g.h"
-
-#if defined(U8G_WITH_PINLIST)
-
-static void u8g_sw_spi_shift_out(uint8_t dataPin, uint8_t clockPin, uint8_t val)
-{
-  uint8_t i = 8;
-  do
-  {
-    if ( val & 128 )
-      u8g_SetPinLevel(dataPin, 1);
-    else
-      u8g_SetPinLevel(dataPin, 0);
-    val <<= 1;
-    u8g_MicroDelay();		/* 23 Sep 2012 */
-    //delay(1);
-    u8g_SetPinLevel(clockPin, 1);
-    u8g_MicroDelay();		/* 23 Sep 2012 */
-    //delay(1);
-    u8g_SetPinLevel(clockPin, 0);
-    u8g_MicroDelay();		/* 23 Sep 2012 */
-    //delay(1);
-    i--;
-  } while( i != 0 );
-}
-
-uint8_t u8g_com_std_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
-{
-  switch(msg)
-  {
-    case U8G_COM_MSG_INIT:
-      u8g_SetPIOutput(u8g, U8G_PI_SCK);
-      u8g_SetPIOutput(u8g, U8G_PI_MOSI);
-      u8g_SetPIOutput(u8g, U8G_PI_RESET);
-      u8g_SetPIOutput(u8g, U8G_PI_CS);
-      u8g_SetPIOutput(u8g, U8G_PI_A0);
-      u8g_SetPILevel(u8g, U8G_PI_SCK, 0);
-      u8g_SetPILevel(u8g, U8G_PI_MOSI, 0);
-      break;
-    
-    case U8G_COM_MSG_STOP:
-      break;
-
-    case U8G_COM_MSG_RESET:
-      u8g_SetPILevel(u8g, U8G_PI_RESET, arg_val);
-      break;
-      
-    case U8G_COM_MSG_CHIP_SELECT:
-      if ( arg_val == 0 )
-      {
-        /* disable */
-	u8g_SetPILevel(u8g, U8G_PI_CS, 1);
-      }
-      else
-      {
-        /* enable */
-	u8g_SetPILevel(u8g, U8G_PI_SCK, 0);
-	u8g_SetPILevel(u8g, U8G_PI_CS, 0);
-      }
-      break;
-
-    case U8G_COM_MSG_WRITE_BYTE:
-      u8g_sw_spi_shift_out(u8g->pin_list[U8G_PI_MOSI], u8g->pin_list[U8G_PI_SCK], arg_val);
-      break;
-    
-    case U8G_COM_MSG_WRITE_SEQ:
-      {
-        register uint8_t *ptr = arg_ptr;
-        while( arg_val > 0 )
-        {
-          u8g_sw_spi_shift_out(u8g->pin_list[U8G_PI_MOSI], u8g->pin_list[U8G_PI_SCK], *ptr++);
-          arg_val--;
-        }
-      }
-      break;
-
-      case U8G_COM_MSG_WRITE_SEQ_P:
-      {
-        register uint8_t *ptr = arg_ptr;
-        while( arg_val > 0 )
-        {
-          u8g_sw_spi_shift_out(u8g->pin_list[U8G_PI_MOSI], u8g->pin_list[U8G_PI_SCK], u8g_pgm_read(ptr));
-          ptr++;
-          arg_val--;
-        }
-      }
-      break;
-      
-    case U8G_COM_MSG_ADDRESS:                     /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
-      u8g_SetPILevel(u8g, U8G_PI_A0, arg_val);
-      break;
-  }
-  return 1;
-}
-
-#else
-
-
-uint8_t u8g_com_std_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
-{
-  return 1;
-}
-
-
-#endif
-