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samples: threads: update to use new GPIO API

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Update sample application to use new GPIO API:
- GPIO flags defined by the devicetree
- replace gpio_pin_write with gpio_pin_set function

Signed-off-by: Piotr Mienkowski <piotr.mienkowski@gmail.com>
This commit is contained in:
Piotr Mienkowski 2019-11-30 16:48:22 +01:00 • committed by Carles Cufí
commit c0cf714087
1 changed files with 44 additions and 24 deletions
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68
samples/basic/threads/src/main.c
View file

@ -17,22 +17,6 @@
/* scheduling priority used by each thread */
#define PRIORITY 7
/* Change this if you have an LED connected to a custom port */
#ifndef DT_ALIAS_LED0_GPIOS_CONTROLLER
#define DT_ALIAS_LED0_GPIOS_CONTROLLER LED0_GPIO_PORT
#endif
#ifndef DT_ALIAS_LED1_GPIOS_CONTROLLER
#define DT_ALIAS_LED1_GPIOS_CONTROLLER LED1_GPIO_PORT
#endif
#define PORT0 DT_ALIAS_LED0_GPIOS_CONTROLLER
#define PORT1 DT_ALIAS_LED1_GPIOS_CONTROLLER
/* Change this if you have an LED connected to a custom pin */
#define LED0 DT_ALIAS_LED0_GPIOS_PIN
#define LED1 DT_ALIAS_LED1_GPIOS_PIN
struct printk_data_t {
void *fifo_reserved; /* 1st word reserved for use by fifo */
u32_t led;
@ -41,18 +25,40 @@ struct printk_data_t {
K_FIFO_DEFINE(printk_fifo);
void blink(const char *port, u32_t sleep_ms, u32_t led, u32_t id)
#ifndef DT_ALIAS_LED0_GPIOS_FLAGS
#define DT_ALIAS_LED0_GPIOS_FLAGS 0
#endif
#ifndef DT_ALIAS_LED1_GPIOS_FLAGS
#define DT_ALIAS_LED1_GPIOS_FLAGS 0
#endif
struct led {
const char *gpio_dev_name;
const char *gpio_pin_name;
unsigned int gpio_pin;
unsigned int gpio_flags;
};
void blink(const struct led *led, u32_t sleep_ms, u32_t id)
{
int cnt = 0;
struct device *gpio_dev;
int cnt = 0;
int ret;
gpio_dev = device_get_binding(port);
__ASSERT_NO_MSG(gpio_dev != NULL);
gpio_dev = device_get_binding(led->gpio_dev_name);
__ASSERT(gpio_dev != NULL, "Error: didn't find %s device\n",
led->gpio_dev_name);
gpio_pin_configure(gpio_dev, led, GPIO_DIR_OUT);
ret = gpio_pin_configure(gpio_dev, led->gpio_pin, led->gpio_flags);
if (ret != 0) {
printk("Error %d: failed to configure pin %d '%s'\n",
ret, led->gpio_pin, led->gpio_pin_name);
return;
}
while (1) {
gpio_pin_write(gpio_dev, led, cnt % 2);
gpio_pin_set(gpio_dev, led->gpio_pin, cnt % 2);
struct printk_data_t tx_data = { .led = id, .cnt = cnt };
@ -71,12 +77,26 @@ void blink(const char *port, u32_t sleep_ms, u32_t led, u32_t id)
void blink1(void)
{
blink(PORT0, 100, LED0, 0);
const struct led led1 = {
.gpio_dev_name = DT_ALIAS_LED0_GPIOS_CONTROLLER,
.gpio_pin_name = DT_ALIAS_LED0_LABEL,
.gpio_pin = DT_ALIAS_LED0_GPIOS_PIN,
.gpio_flags = GPIO_OUTPUT | DT_ALIAS_LED0_GPIOS_FLAGS,
};
blink(&led1, 100, 0);
}
void blink2(void)
{
blink(PORT1, 1000, LED1, 1);
const struct led led2 = {
.gpio_dev_name = DT_ALIAS_LED1_GPIOS_CONTROLLER,
.gpio_pin_name = DT_ALIAS_LED1_LABEL,
.gpio_pin = DT_ALIAS_LED1_GPIOS_PIN,
.gpio_flags = GPIO_OUTPUT | DT_ALIAS_LED1_GPIOS_FLAGS,
};
blink(&led2, 1000, 1);
}
void uart_out(void)