gpio test

This commit is contained in:
MikuQ.com 2016-06-01 23:35:48 +08:00
parent 1d1a13b413
commit a75d3c30e1
9 changed files with 451 additions and 59 deletions

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@ -6,6 +6,19 @@
#define FALSE (1==2)
#endif
//https://www.arduino.cc/en/Reference/Constants
#define true (1)
#define false (0)
#define HIGH (1)
#define LOW (0)
#define INPUT (0)
#define INPUT_PULLUP (2)
#define OUTPUT (1)
#define PI_MODEL_UNKNOWN 0
#define PI_MODEL_M1 1
#define PI_MODEL_R1 2
@ -14,7 +27,7 @@
#define PI_MODEL_M3 5
#define PI_MODEL_M2p 6
#define VERSION "0.20"
#define VERSION "0.21"
extern const char *piModelNames [7] ;
@ -23,4 +36,7 @@ void delay (unsigned int howLong);
void piBoardId(int *model, int *mem);
void sayhello();
void pinMode(int pin, int mode);
void digitalWrite(pin, value);
#endif

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@ -1,6 +1,33 @@
# MikuPi by MikuQ.com
# MikuPi by MikuQ.com
<pre><code>
gcc -Wall -o hello3.exe hello3.c -lMikuDuino
./hello3.exe
</code></pre>
</code></pre>
+-----+-----+---------+------+---+- MikuPi -+---+------+---------+-----+-----+
| CPU | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | CPU |
+-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+
| | | 3.3v | | | 1 || 2 | | | 5v | | |
| 229 | 8 | SDA.1 | IN | 0 | 3 || 4 | | | 5V | | |
| 228 | 9 | SCL.1 | IN | 0 | 5 || 6 | | | GND | | |
| 362 | 7 | GCLK | OUT | 1 | 7 || 8 | 0 | IN | TxD0 | 15 | 32 |
| | | GND | | | 9 || 10 | 0 | IN | RxD0 | 16 | 33 |
| 68 | 0 | GEN0 | ALT3 | 0 | 11 || 12 | 0 | IN | GEN1 | 1 | 35 |
| 71 | 2 | GEN2 | ALT3 | 0 | 13 || 14 | | | GND | | |
| 81 | 3 | GEN3 | ALT3 | 0 | 15 || 16 | 0 | IN | GEN4 | 4 | 34 |
| | | 3.3v | | | 17 || 18 | 1 | OUT | GEN5 | 5 | 360 |
| 64 | 12 | MOSI | ALT4 | 0 | 19 || 20 | | | GND | | |
| 65 | 13 | MISO | ALT4 | 0 | 21 || 22 | 1 | OUT | GEN6 | 6 | 361 |
| 66 | 14 | SCLK | ALT4 | 0 | 23 || 24 | 0 | ALT4 | CE0 | 10 | 67 |
| | | GND | | | 25 || 26 | 0 | IN | CE1 | 11 | 234 |
| 227 | 30 | SDA.0 | IN | 0 | 27 || 28 | 0 | IN | SCL.0 | 31 | 226 |
| 82 | 21 | GPIO.21 | ALT3 | 0 | 29 || 30 | | | GND | | |
| 202 | 22 | GPIO.22 | ALT2 | 0 | 31 || 32 | 0 | ALT3 | GPIO.26 | 26 | 205 |
| 203 | 23 | GPIO.23 | ALT3 | 0 | 33 || 34 | | | GND | | |
| 204 | 24 | GPIO.24 | OUT | 0 | 35 || 36 | 0 | ALT3 | GPIO.27 | 27 | 133 |
| 132 | 25 | GPIO.25 | ALT3 | 0 | 37 || 38 | 0 | IN | GPIO.28 | 28 | 146 |
| | | GND | | | 39 || 40 | 0 | IN | GPIO.29 | 29 | 147 |
+-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+
| CPU | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | CPU |
+-----+-----+---------+------+---+- BPI-M3 -+---+------+---------+-----+-----+

159
test/gpio_lib.c Executable file
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@ -0,0 +1,159 @@
/*
* gpio_lib.c
*
* Copyright 2013 Stefan Mavrodiev <support@olimex.com>
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <time.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/select.h>
#include <pthread.h>
#include <unistd.h>
#include <sched.h>
#include "gpio_lib.h"
unsigned int SUNXI_PIO_BASE = 0;
static volatile long int *gpio_map = NULL;
int sunxi_gpio_init(void) {
int fd;
unsigned int addr_start, addr_offset;
unsigned int PageSize, PageMask;
fd = open("/dev/mem", O_RDWR);
if(fd < 0) {
return SETUP_DEVMEM_FAIL;
}
PageSize = sysconf(_SC_PAGESIZE);
PageMask = (~(PageSize-1));
addr_start = SW_PORTC_IO_BASE & PageMask;
addr_offset = SW_PORTC_IO_BASE & ~PageMask;
gpio_map = (void *)mmap(0, PageSize*2, PROT_READ|PROT_WRITE, MAP_SHARED, fd, addr_start);
if(gpio_map == MAP_FAILED) {
return SETUP_MMAP_FAIL;
}
SUNXI_PIO_BASE = (unsigned int)gpio_map;
SUNXI_PIO_BASE += addr_offset;
close(fd);
return SETUP_OK;
}
int sunxi_gpio_set_cfgpin(unsigned int pin, unsigned int val) {
unsigned int cfg;
unsigned int bank = GPIO_BANK(pin);
unsigned int index = GPIO_CFG_INDEX(pin);
unsigned int offset = GPIO_CFG_OFFSET(pin);
if(SUNXI_PIO_BASE == 0) {
return -1;
}
struct sunxi_gpio *pio =
&((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank];
cfg = *(&pio->cfg[0] + index);
cfg &= ~(0xf << offset);
cfg |= val << offset;
*(&pio->cfg[0] + index) = cfg;
return 0;
}
int sunxi_gpio_get_cfgpin(unsigned int pin) {
unsigned int cfg;
unsigned int bank = GPIO_BANK(pin);
unsigned int index = GPIO_CFG_INDEX(pin);
unsigned int offset = GPIO_CFG_OFFSET(pin);
if(SUNXI_PIO_BASE == 0)
{
return -1;
}
struct sunxi_gpio *pio = &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank];
cfg = *(&pio->cfg[0] + index);
cfg >>= offset;
return (cfg & 0xf);
}
int sunxi_gpio_output(unsigned int pin, unsigned int val) {
unsigned int bank = GPIO_BANK(pin);
unsigned int num = GPIO_NUM(pin);
if(SUNXI_PIO_BASE == 0)
{
return -1;
}
struct sunxi_gpio *pio =&((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank];
if(val)
*(&pio->dat) |= 1 << num;
else
*(&pio->dat) &= ~(1 << num);
return 0;
}
int sunxi_gpio_input(unsigned int pin) {
unsigned int dat;
unsigned int bank = GPIO_BANK(pin);
unsigned int num = GPIO_NUM(pin);
if(SUNXI_PIO_BASE == 0)
{
return -1;
}
struct sunxi_gpio *pio =&((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank];
dat = *(&pio->dat);
dat >>= num;
return (dat & 0x1);
}
void sunxi_gpio_cleanup(void)
{
unsigned int PageSize;
if (gpio_map == NULL)
return;
PageSize = sysconf(_SC_PAGESIZE);
munmap((void*)gpio_map, PageSize*2);
}

167
test/gpio_lib.h Executable file
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@ -0,0 +1,167 @@
#ifndef _GPIO_LIB_H_
#define _GPIO_LIB_H_
#define SW_PORTC_IO_BASE 0x01c20800
#define SUNXI_GPIO_A 0
#define SUNXI_GPIO_B 1
#define SUNXI_GPIO_C 2
#define SUNXI_GPIO_D 3
#define SUNXI_GPIO_E 4
#define SUNXI_GPIO_F 5
#define SUNXI_GPIO_G 6
#define SUNXI_GPIO_H 7
#define SUNXI_GPIO_I 8
#define SUNXI_GPIO_J 9
#define SUNXI_GPIO_K 10
#define SUNXI_GPIO_L 11
#define SETUP_OK 0
#define SETUP_DEVMEM_FAIL 1
#define SETUP_MALLOC_FAIL 2
#define SETUP_MMAP_FAIL 3
#define HIGH 1
#define LOW 0
#define INPUT 0
#define OUTPUT 1
#define PER 2
struct sunxi_gpio {
unsigned int cfg[4];
unsigned int dat;
unsigned int drv[2];
unsigned int pull[2];
};
/* gpio interrupt control */
struct sunxi_gpio_int {
unsigned int cfg[3];
unsigned int ctl;
unsigned int sta;
unsigned int deb;
};
struct sunxi_gpio_reg {
struct sunxi_gpio gpio_bank[12];
unsigned char res[0xbc];
struct sunxi_gpio_int gpio_int;
};
#define GPIO_BANK(pin) ((pin) >> 5)
#define GPIO_NUM(pin) ((pin) & 0x1F)
#define GPIO_CFG_INDEX(pin) (((pin) & 0x1F) >> 3)
#define GPIO_CFG_OFFSET(pin) ((((pin) & 0x1F) & 0x7) << 2)
/* GPIO bank sizes */
#define SUNXI_GPIO_A_NR (32)
#define SUNXI_GPIO_B_NR (32)
#define SUNXI_GPIO_C_NR (32)
#define SUNXI_GPIO_D_NR (32)
#define SUNXI_GPIO_E_NR (32)
#define SUNXI_GPIO_F_NR (32)
#define SUNXI_GPIO_G_NR (32)
#define SUNXI_GPIO_H_NR (32)
#define SUNXI_GPIO_I_NR (32)
#define SUNXI_GPIO_J_NR (32)
#define SUNXI_GPIO_K_NR (32)
#define SUNXI_GPIO_L_NR (32)
#define SUNXI_GPIO_NEXT(__gpio) ((__gpio##_START)+(__gpio##_NR)+0)
enum sunxi_gpio_number {
SUNXI_GPIO_A_START = 0,
SUNXI_GPIO_B_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_A), //32
SUNXI_GPIO_C_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_B), //64
SUNXI_GPIO_D_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_C), //96
SUNXI_GPIO_E_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_D), //128
SUNXI_GPIO_F_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_E), //160
SUNXI_GPIO_G_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_F), //192
SUNXI_GPIO_H_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_G), //224
SUNXI_GPIO_I_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_H), //256
SUNXI_GPIO_J_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_I), //192
SUNXI_GPIO_K_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_J), //224
SUNXI_GPIO_L_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_K) //256
};
/* SUNXI GPIO number definitions */
#define SUNXI_GPA(_nr) (SUNXI_GPIO_A_START + (_nr))
#define SUNXI_GPB(_nr) (SUNXI_GPIO_B_START + (_nr))
#define SUNXI_GPC(_nr) (SUNXI_GPIO_C_START + (_nr))
#define SUNXI_GPD(_nr) (SUNXI_GPIO_D_START + (_nr))
#define SUNXI_GPE(_nr) (SUNXI_GPIO_E_START + (_nr))
#define SUNXI_GPF(_nr) (SUNXI_GPIO_F_START + (_nr))
#define SUNXI_GPG(_nr) (SUNXI_GPIO_G_START + (_nr))
#define SUNXI_GPH(_nr) (SUNXI_GPIO_H_START + (_nr))
#define SUNXI_GPI(_nr) (SUNXI_GPIO_I_START + (_nr))
#define SUNXI_GPJ(_nr) (SUNXI_GPIO_J_START + (_nr))
#define SUNXI_GPK(_nr) (SUNXI_GPIO_K_START + (_nr))
#define SUNXI_GPL(_nr) (SUNXI_GPIO_L_START + (_nr))
/* GPIO pin function config */
#define SUNXI_GPIO_INPUT (0)
#define SUNXI_GPIO_OUTPUT (1)
#define SUNXI_GPIO_PER (2)
#define SUNXI_GPA0_ERXD3 (2)
#define SUNXI_GPA0_SPI1_CS0 (3)
#define SUNXI_GPA0_UART2_RTS (4)
#define SUNXI_GPA1_ERXD2 (2)
#define SUNXI_GPA1_SPI1_CLK (3)
#define SUNXI_GPA1_UART2_CTS (4)
#define SUNXI_GPA2_ERXD1 (2)
#define SUNXI_GPA2_SPI1_MOSI (3)
#define SUNXI_GPA2_UART2_TX (4)
#define SUNXI_GPA10_UART1_TX (4)
#define SUNXI_GPA11_UART1_RX (4)
#define SUN4I_GPB22_UART0_TX (2)
#define SUN4I_GPB23_UART0_RX (2)
#define SUN5I_GPG3_UART0_TX (4)
#define SUN5I_GPG4_UART0_RX (4)
#define SUNXI_GPC2_NCLE (2)
#define SUNXI_GPC2_SPI0_CLK (3)
#define SUNXI_GPC6_NRB0 (2)
#define SUNXI_GPC6_SDC2_CMD (3)
#define SUNXI_GPC7_NRB1 (2)
#define SUNXI_GPC7_SDC2_CLK (3)
#define SUNXI_GPC8_NDQ0 (2)
#define SUNXI_GPC8_SDC2_D0 (3)
#define SUNXI_GPC9_NDQ1 (2)
#define SUNXI_GPC9_SDC2_D1 (3)
#define SUNXI_GPC10_NDQ2 (2)
#define SUNXI_GPC10_SDC2_D2 (3)
#define SUNXI_GPC11_NDQ3 (2)
#define SUNXI_GPC11_SDC2_D3 (3)
#define SUNXI_GPF2_SDC0_CLK (2)
#define SUNXI_GPF2_UART0_TX (4)
#define SUNXI_GPF4_SDC0_D3 (2)
#define SUNXI_GPF4_UART0_RX (4)
extern int sunxi_gpio_input(unsigned int pin);
extern int sunxi_gpio_init(void);
extern int sunxi_gpio_set_cfgpin(unsigned int pin, unsigned int val);
extern int sunxi_gpio_get_cfgpin(unsigned int pin);
extern int sunxi_gpio_output(unsigned int pin, unsigned int val);
extern void sunxi_gpio_cleanup(void);
extern unsigned int SUNXI_PIO_BASE;
#endif

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@ -2,73 +2,96 @@
#include <stdlib.h>
#include <string.h>
#include "gpio_lib.h"
// pinToGpio:
// Take a Wiring pin (0 through X) and re-map it to the BCM_GPIO pin
// Cope for 3 different board revisions here.
static int *wPinToGpio ;
int isH3(void)
static int wPinToGpioM2p [32] =
{
FILE *cpuFd ;
char line [120] ;
char *d;
int processorCount=0;
if ((cpuFd = fopen ("/proc/cpuinfo", "r")) == NULL)
piBoardRevOops ("Unable to open /proc/cpuinfo") ;
while (fgets (line, 120, cpuFd) != NULL)
{
if (strncmp (line, "processor", 9) == 0)
processorCount++;
if (strncmp (line, "Hardware", 8) == 0)
break;
}
fclose (cpuFd) ;
if (strncmp (line, "Hardware", 8) != 0)
piBoardRevOops ("No \"Hardware\" line") ;
for (d = &line [strlen (line) - 1] ; (*d == '\n') || (*d == '\r') ; --d)
*d = 0 ;
if (MikuPiDebug)
printf ("piboardRev: Hardware string: %s\n", line) ;
if (strstr(line,"sun8i") != NULL)
{
if (processorCount==4)
{
//H3-M2P
}
if (processorCount==8)
{
//A83T-M3
}
if (MikuPiDebug)
{
printf ("Hardware:%s\n",line) ;
printf ("processorCount:%d\n",processorCount) ;
}
return TRUE;
}
else
{
if (MikuPiDebug)
printf ("Hardware:%s\n",line) ;
return FALSE;
}
}
1,16,0,3, 15,68,2,6,
12,11,67,71, 64,65,66,13,
14,-1,-1,-1, -1,7,8,9,
10,17,354,356, 21,20,19,18
} ;
static int wPinToGpioM3 [32] =
{
68,35,71,81, 34,360,361,362,
229,228,67,234, 64,65,66,32,
33,-1,-1,-1, -1,82,202,203,
204,132,205,133, 146,147,227,226
} ;
//static int *bPinTowPin;
static int bPinTowPin[41] =
{
-1, // 0
-1, -1, // 1, 2
8, -1, //3, 4
9, -1, //5, 6
7, 15, //7, 8
-1, 16, //9,10
0, 1, //11,12
2, -1, //13,14
3, 4, //15,16
-1, 5, //17,18
12, -1, //19,20
13, 6, //21,22
14, 10, //23, 24
-1, 11, // 25, 26
30, 31, //27, 28
21, -1, //29, 30
22, 26, //31, 32
23, -1, //33, 34
24, 27, //35, 36
25, 28, //37, 38
-1, 29, //39, 40
} ;
//#define PA6 SUNXI_GPA(6) *32+6
#define PA6 wPinToGpioM2p[bPinTowPin[36]]
int main()
{
/*
if (geteuid () != 0)
{
printf("wiringPiSetup: Must be root. (Did you forget sudo?)\n") ;
return -1;
}
*/
if(SETUP_OK!=sunxi_gpio_init()){
printf("Failed to initialize GPIO\n");
return -1;
}
if(SETUP_OK!=sunxi_gpio_set_cfgpin(PA6,OUTPUT)){
printf("Failed to config GPIO pin\n");
return -1;
}
int i,j;
while(1) {
if(sunxi_gpio_output(PA6,HIGH)){
printf("Failed to set GPIO pin value\n");
return -1;
}
usleep(500000);
if(sunxi_gpio_output(PA6,LOW)){
printf("Failed to set GPIO pin value\n");
return -1;
}
usleep(500000);
}
sunxi_gpio_cleanup();
/*
if (isH3())
printf("is H3!\n");
else
printf("is not H3!\n");
*/
return 0;
}

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