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samples: drivers: espi: update to new GPIO API

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Treat Kconfig-specific GPIOs as active-high (default) and use the
logic-level API to interact with them.

Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
This commit is contained in:
Peter Bigot 2020-01-28 16:02:19 -06:00 • committed by Carles Cufí
commit 1d88f9ffd8
1 changed files with 10 additions and 9 deletions
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19
samples/drivers/espi/src/main.c
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@ -135,14 +135,13 @@ int espi_init(void)
static int wait_for_pin(struct device *dev, u8_t pin, u16_t timeout,
u32_t exp_level)
{
int ret;
int level;
u16_t loop_cnt = timeout;
u32_t level;
do {
ret = gpio_pin_read(dev, pin, &level);
if (ret) {
printk("Failed to read %x %d\n", pin, ret);
level = gpio_pin_get(dev, pin);
if (level < 0) {
printk("Failed to read %x %d\n", pin, level);
return -EIO;
}
@ -292,19 +291,21 @@ int espi_test(void)
LOG_INF("Hello eSPI test! %s\n", CONFIG_BOARD);
#ifdef CONFIG_ESPI_GPIO_DEV_NEEDED
ret = gpio_pin_configure(gpio_dev0, CONFIG_PWRGD_PIN, GPIO_DIR_IN);
ret = gpio_pin_configure(gpio_dev0, CONFIG_PWRGD_PIN,
GPIO_INPUT | GPIO_ACTIVE_HIGH);
if (ret) {
printk("Unable to configure %d:%d\n", CONFIG_PWRGD_PIN, ret);
return ret;
}
ret = gpio_pin_configure(gpio_dev1, CONFIG_ESPI_INIT_PIN, GPIO_DIR_OUT);
ret = gpio_pin_configure(gpio_dev1, CONFIG_ESPI_INIT_PIN,
GPIO_OUTPUT | GPIO_ACTIVE_HIGH);
if (ret) {
LOG_WRN("Unable to config %d: %d\n", CONFIG_ESPI_INIT_PIN, ret);
return ret;
}
ret = gpio_pin_write(gpio_dev1, CONFIG_ESPI_INIT_PIN, 0);
ret = gpio_pin_set(gpio_dev1, CONFIG_ESPI_INIT_PIN, 0);
if (ret) {
LOG_WRN("Unable to initialize %d\n", CONFIG_ESPI_INIT_PIN);
return -1;
@ -320,7 +321,7 @@ int espi_test(void)
return ret;
}
ret = gpio_pin_write(gpio_dev1, CONFIG_ESPI_INIT_PIN, 1);
ret = gpio_pin_set(gpio_dev1, CONFIG_ESPI_INIT_PIN, 1);
if (ret) {
printk("Failed to write %x %d\n", CONFIG_ESPI_INIT_PIN, ret);
return ret;