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Fix for Cypress GPIO driver

pull/11867/head
Przemyslaw Stekiel 2019-11-14 14:59:17 +01:00
parent 699372421a
commit 48b02af144
2 changed files with 19 additions and 2 deletions
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5
targets/TARGET_Cypress/TARGET_PSOC6/cy_gpio_api.c
View File

@ -39,9 +39,9 @@ void apply_config(gpio_t *obj)
} }
if (obj->drive_mode == PullUp) { if (obj->drive_mode == PullUp) {
gpio_write(obj, 1); gpio_set_pull(obj, 1);
} else if (obj->drive_mode == PullDown) { } else if (obj->drive_mode == PullDown) {
gpio_write(obj, 0); gpio_set_pull(obj, 0);
} }
} }
@ -80,6 +80,7 @@ void gpio_dir(gpio_t *obj, PinDirection direction)
} else if (direction == PIN_OUTPUT) { } else if (direction == PIN_OUTPUT) {
// mbed reads from input buffer instead of DR even for output pins so always leave input buffer enabled // mbed reads from input buffer instead of DR even for output pins so always leave input buffer enabled
obj->direction = CYHAL_GPIO_DIR_BIDIRECTIONAL; obj->direction = CYHAL_GPIO_DIR_BIDIRECTIONAL;
gpio_write(obj, obj->output_val);
if (obj->drive_mode == CYHAL_GPIO_DRIVE_NONE || obj->drive_mode == CYHAL_GPIO_DRIVE_ANALOG) { if (obj->drive_mode == CYHAL_GPIO_DRIVE_NONE || obj->drive_mode == CYHAL_GPIO_DRIVE_ANALOG) {
obj->drive_mode = CYHAL_GPIO_DRIVE_STRONG; obj->drive_mode = CYHAL_GPIO_DRIVE_STRONG;
} }

16
targets/TARGET_Cypress/TARGET_PSOC6/gpio_object.h
View File

@ -35,6 +35,7 @@ typedef struct {
cyhal_gpio_t pin; cyhal_gpio_t pin;
cyhal_gpio_direction_t direction; cyhal_gpio_direction_t direction;
cyhal_gpio_drive_mode_t drive_mode; cyhal_gpio_drive_mode_t drive_mode;
int output_val;
} gpio_t; } gpio_t;
struct gpio_irq_s { struct gpio_irq_s {
@ -57,6 +58,21 @@ struct port_s {
* @param value The value to be set * @param value The value to be set
*/ */
static inline void gpio_write(gpio_t *obj, int value) static inline void gpio_write(gpio_t *obj, int value)
{
if (obj->direction != CYHAL_GPIO_DIR_INPUT) {
MBED_ASSERT(obj->pin != CYHAL_NC_PIN_VALUE);
cyhal_gpio_write(obj->pin, value != 0);
} else {
obj->output_val = value;
}
}
/** Set the pull value
*
* @param obj The GPIO object
* @param value The pull value to be set
*/
static inline void gpio_set_pull(gpio_t *obj, int value)
{ {
MBED_ASSERT(obj->pin != CYHAL_NC_PIN_VALUE); MBED_ASSERT(obj->pin != CYHAL_NC_PIN_VALUE);
cyhal_gpio_write(obj->pin, value != 0); cyhal_gpio_write(obj->pin, value != 0);