static int spi_test_init(void *unused)
{
dev = spi_create(&spi_device);
if (!dev)
return -1;
return 0;
}
void
sys_reset_bonds(struct sys *sys, struct sel *sel)
{
struct spi *spi;
struct pair pair;
int i, j, k, n, *map;
spi = spi_create();
n = sel_get_count(sel);
map = calloc(n, sizeof(int));
sel_iter_start(sel);
for (k = 0; sel_iter_next(sel, &i); k++) {
spi_add_point(spi, sys_get_atom_xyz(sys, i));
map[k] = i;
}
spi_compute(spi, 1.6);
n = spi_get_pair_count(spi);
for (k = 0; k < n; k++) {
pair = spi_get_pair(spi, k);
i = map[pair.i];
j = map[pair.j];
if (is_hydrogen(sys_get_atom_name(sys, i)) &&
is_hydrogen(sys_get_atom_name(sys, j)))
continue;
if (graph_edge_find(sys->graph, i, j) == NULL)
graph_edge_create(sys->graph, i, j, 1);
}
spi_free(spi);
free(map);
}
static int lcd_cmd(struct spi_dev *dev, int cmd)
{
uint8_t buf[1] = {cmd};
struct spi_obuf sob = {.len = 1, .buf = buf};
int ret;
gpio_set(GPIODC, 0);
ret = spi_write(dev, SPI_F_DEFAULT, &sob);
return ret;
}
static int lcd_data(struct spi_dev *dev, int cmd)
{
uint8_t buf[1] = {cmd};
struct spi_obuf sob = {.len = 1, .buf = buf};
int ret;
gpio_set(GPIODC, 1);
ret = spi_write(dev, SPI_F_DEFAULT, &sob);
return ret;
}
static int lcd_task_init(void *arg)
{
struct spi_dev *dev = arg;
printf("%s: %i\n", __func__, __LINE__);
/* My board other devices on SPI: disable their CS */
gpio_dir_af(GPIOCS_NO0, 1, 1, 0);
gpio_set(GPIOCS_NO0, 1);
gpio_dir_af(GPIOCS_NO1, 1, 1, 0);
gpio_set(GPIOCS_NO1, 1);
/* This is our gpio and the reset */
gpio_dir_af(GPIOCS, 1, 1, 0);
gpio_set(GPIOCS, 1);
gpio_dir_af(13, 1, 1, 0);
gpio_set(13, 1);
/* d/c */
gpio_dir_af(GPIODC, 1, 1, 0);
gpio_set(GPIODC, 1);
spi_create(&spi_dev);
lcd_cmd(dev, 0x21);
lcd_cmd(dev, 0x90);
lcd_cmd(dev, 0x20);
lcd_cmd(dev, 0x0c);
return 0;
}
/* The task sends out one packet and reads pending ones */
static void *lcd_task_run(void *arg)
{
struct spi_dev *dev = arg;
static u8 inpacket[50];
int i, j;
printf("%s: %i\n", __func__, __LINE__);
printf("cmd: %i\n", i);
for (j = 0; j < 0x20; j++)
i = lcd_data(dev, j);
return dev;
}
static struct bathos_task __task t_lcd = {
.name = "n5110", .period = HZ,
.arg = &spi_dev,
.init = lcd_task_init, .job = lcd_task_run,
.release = 15
};