Robotics platform

Robotics platform Git Source Tree

1	/* ADC Peripheral.c
2
3	Copyright (C) 2010 Carlos Camargo cicamargoba@unal.edu.co
4	Andres Calderon andres.calderon@emqbit.com
5
6	This program is free software; you can redistribute it and/or modify
7	it under the terms of the GNU General Public License as published by
8	the Free Software Foundation; either version 2 of the License, or
9	(at your option) any later version.
10
11	This program is distributed in the hope that it will be useful,
12	but WITHOUT ANY WARRANTY; without even the implied warranty of
13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	GNU General Public License for more details.
15
16	You should have received a copy of the GNU General Public License
17	along with this program; if not, write to the Free Software
18	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
19
20	#include <stdio.h>
21	#include <unistd.h>
22
23	#include "jz_adc_peripheral.h"
24
25	JZ_REG *
26	jz_adc_init()
27	{
28	JZ_PIO *pio;
29	JZ_REG *virt_addr;
30
31	pio = jz_gpio_map (CS2_PORT);
32	jz_gpio_as_func (pio, CS2_PIN, 0);
33
34	virt_addr = (JZ_REG *) (jz_mmap(0x13010000) + 0x18);
35
36	if (*virt_addr != 0x0FFF7700)
37	{
38	*virt_addr = 0x0FFF7700;
39	printf ("ADC: Configuring CS2 8 bits and 0 WS: %08X\n", *virt_addr);
40	}
41	else
42	printf ("ADC: CS2, already configured: %08X\n", *virt_addr);
43
44	virt_addr = (JZ_REG *) jz_mmap (0x14000000);
45
46	return virt_addr;
47	}
48

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