This examle was all wrong. Working one is in /uio/mf624/userspace.

diff --git a/src/uio/mf614/userspace/test_application/Makefile b/src/uio/mf614/userspace/test_application/Makefile
deleted file mode 100644 (file)
index c8958d1..0000000
--- a/src/uio/mf614/userspace/test_application/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-FLAGS=-Wall -pedantic
-
-all:
-       gcc main.c $(FLAGS) -std=c99 -o main
- 

diff --git a/src/uio/mf614/userspace/test_application/main.c b/src/uio/mf614/userspace/test_application/main.c
deleted file mode 100644 (file)
index 5ad4093..0000000
--- a/src/uio/mf614/userspace/test_application/main.c
+++ /dev/null
@@ -1,230 +0,0 @@
-#include <stdio.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include <dirent.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <stdint.h> // uintX_t
-#include <unistd.h>
-
-/* Hardware specific */
-#define AD_LO           0x0
-#define AD_HI           0x1
-#define AD_CTRL                0x0
-
-
-#define BUFF_SMALL      32
-#define BUFF_MID        256
-#define min(a, b)       ((a) > (b) ? (b) : (a))
-
-
-int status;
-void* mf614_mem = NULL;
-
-
-void mf614_adc_init(int channel)
-{
-       *(((uint8_t *) mf614_mem) + AD_CTRL) = 1 << 6 | 0 << 5 | 0 << 4 /* RNG */| 0 << 3 /*BIP*/| channel;
-}
-
-int open_device(char* path) {
-       status = open(path, O_RDWR);
-       if (status == -1) {
-               perror("open()");
-               return -1;
-       }
-
-       return status;
-}
-
-void wait_for_interrupts(int device_fd)
-{
-       read(device_fd, NULL, 1);
-}
-
-int disable_interrupts(int device_fd)
-{
-       uint32_t control_value = 0;
-
-       status = write(device_fd, &control_value, sizeof(uint32_t));
-       if (status == -1) {
-               perror("write()");
-               return -1;
-       }
-
-       return status;
-}
-
-int enable_interrupts(int device_fd)
-{
-       uint32_t control_value = 1;
-
-       status = write(device_fd, &control_value, sizeof(uint32_t));
-       if (status == -1) {
-               perror("write()");
-               return -1;
-       }
-
-       return status;
-}
-
-void list_available_mem_regions(char* device)
-{
-       char path[] = "/sys/class/uio/";
-       char subdir[] = "/maps/";
-       char directory[BUFF_MID];
-       memset(directory, '\0', BUFF_MID);
-
-       DIR *dip;
-       struct dirent *dit;
-
-       strncat(directory, path, strlen(path));
-       strncat(directory, device, min(strlen(device), 8));
-       strncat(directory, subdir, strlen(subdir));
-
-       dip = opendir(directory);
-       if (dip == NULL) {
-               perror("opendir");
-               return;
-       }
-
-       while ((dit = readdir(dip)) != NULL) {
-               if (strcmp(dit->d_name, ".") && strcmp(dit->d_name, "..")) {
-                       printf(" %s\n", dit->d_name);
-               }
-       }
-
-       status = closedir(dip);
-       if (status == -1) {
-               perror("closedir()");
-               return;
-       }
-       
-}
-
-
-void list_available_io_ports(char *device)
-{
-       char path[] = "/sys/class/uio/";
-       char subdir[] = "/portio/";
-       char directory[BUFF_MID];
-       memset(directory, '\0', BUFF_MID);
-
-       DIR *dip;
-       struct dirent *dit;
-
-       strncat(directory, path, strlen(path));
-       strncat(directory, device, min(strlen(device), 8));
-       strncat(directory, subdir, strlen(subdir));
-
-       status = access(directory, F_OK);
-       if (status == -1) {
-               printf(" There are no IO port available\n");
-               return;
-       }
-
-       dip = opendir(directory);
-       if (dip == NULL) {
-               perror("opendir");
-               return;
-       }
-
-       while ((dit = readdir(dip)) != NULL) {
-               if (strcmp(dit->d_name, ".") && strcmp(dit->d_name, "..")) {
-                       printf(" %s\n", dit->d_name);
-               }
-       }
-
-       status = closedir(dip);
-       if (status == -1) {
-               perror("closedir()");
-               return;
-       }
-
-}
-
-
-void run_simple_tests(char* dev_name)
-{
-       int device_fd;
-       char buff[BUFF_SMALL];
-       memset(buff, '\0', BUFF_SMALL);
-
-       strncat(buff, "/dev/", 5);
-       strncat(buff, dev_name, min(strlen(dev_name), 8));
-
-       printf("Opening %s\n", buff);
-
-       device_fd = open_device(buff);
-       if (device_fd != -1) {
-               printf("Tring to enable interrupts\n");
-               status = enable_interrupts(device_fd);
-               if (status != -1) {
-                       printf(" Probably OK\n");
-               }
-               
-               printf("Tring to disable interrupts\n");
-               status = disable_interrupts(device_fd);
-               if (status != -1) {
-                       printf(" Probably OK\n");
-               }
-       }
-
-
-       printf("Checking for available memory regions exported by the UIO driver\n");
-       list_available_mem_regions(dev_name);
-
-       printf("Checking for available IO ports exported by the UIO driver\n");
-       list_available_io_ports(dev_name);
-}
-
-
-int main(int argc, char* argv[])
-{
-       int device_fd;
-       int mem_size = 1; //TODO
-       float adc_value;
-       char buff[BUFF_SMALL];
-       char read_buff[BUFF_SMALL];
-       memset(buff, '\0', BUFF_SMALL);
-
-
-       if (argc < 2) {
-               printf("Usage: %s UIO_DEVICE\n   UIO_DEVICE\tname of uio device in /dev\n", argv[0]);
-               return 1;
-       }       
-
-
-       strncat(buff, "/dev/", 5);
-       strncat(buff, argv[1], min(strlen(argv[1]), 8));
-
-       device_fd = open_device(buff);
-       if (device_fd != -1) {
-               mf614_mem = mmap(0, mem_size * sysconf(_SC_PAGESIZE), PROT_READ | PROT_WRITE, MAP_SHARED, device_fd, 0);
-               if (mf614_mem == MAP_FAILED) {
-                       perror("mmap()");
-               }
-       
-
-               while (1){
-                       
-                       for (int i = 0; i <= 7; i++) {
-                               enable_interrupts(device_fd);
-                               mf614_adc_init(i);
-                               status = read(device_fd, read_buff, sizeof(uint32_t)); // should block until interrupt received
-               
-                               // ... got interrupt -- handle it
-                               adc_value = *(((uint8_t *) mf614_mem) + AD_LO) | (*(((uint8_t *) mf614_mem) + AD_HI) << 8);
-                               printf("[CH %d] ADC = %f V\n", i, adc_value/819);
-                       }
-                       printf("\n");
-                       sleep(1);
-               }
-       }
-
-
-       return 0;
-}