(mynewt-core) 01/04: mcu/pic32: Add missing hal_gpio_deinit function

[je...@apache.org]

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jerzy pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/mynewt-core.git

commit 4f07cb8a0150058e34a2103b6c28de35ec95fa5e
Author: Jerzy Kasenberg <je...@codecoup.pl>
AuthorDate: Fri Mar 15 12:26:56 2024 +0100

    mcu/pic32: Add missing hal_gpio_deinit function
    
    One of hal_gpio functions was not implemented and
    now it is added like for other MCU's
    
    Signed-off-by: Jerzy Kasenberg <je...@codecoup.pl>
---
 hw/mcu/microchip/pic32mz/src/hal_gpio.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/hw/mcu/microchip/pic32mz/src/hal_gpio.c b/hw/mcu/microchip/pic32mz/src/hal_gpio.c
index e2b817271..6ff45af57 100644
--- a/hw/mcu/microchip/pic32mz/src/hal_gpio.c
+++ b/hw/mcu/microchip/pic32mz/src/hal_gpio.c
@@ -347,6 +347,21 @@ hal_gpio_init_out(int pin, int val)
     return 0;
 }
 
+int
+hal_gpio_deinit(int pin)
+{
+    uint32_t port = GPIO_PORT(pin);
+    uint32_t mask = GPIO_MASK(pin);
+
+    /* Disable pull-up, pull-down and open drain */
+    CNPUxCLR(port) = mask;
+    CNPDxCLR(port) = mask;
+    ODCxCLR(port) = mask;
+
+    /* Configure pin direction as input */
+    TRISxSET(port) = mask;
+}
+
 void
 hal_gpio_write(int pin, int val)
 {