Bump STSTM32 to V 15.2 to update Zephyr to 2.7.

Update NGND drive to use new Zephyr GPIO API.

platformio.ini

@@ -18,7 +18,7 @@ boards_dir = zephyr/boards
 
 framework = zephyr
 
-platform = ststm32@14.2.0
+platform = ststm32@15.2.0
 
 # Serial monitor baud rate
 monitor_speed = 115200

zephyr/modules/owntech_hrtim_driver/zephyr/src/voltage_mode/hrtim_voltage_mode.h

@@ -37,7 +37,7 @@
 #include <stdint.h>
 #include <limits.h>
 
-#include <pinmux/stm32/pinmux_stm32.h>
+#include <pinmux/pinmux_stm32.h>
 
 #include "hrtim.h"
 
@@ -336,7 +336,7 @@ typedef enum {
  * @param[inout] freq                        HRTIM frequency in Hz
  * @param[in] dt                             Desired dead time in ns
  * @param[in] leg1_upper_switch_convention   Choice of the switch convention for leg 1
- * @param[in] leg2_upper_switch_convention   Choice of the switch convention for leg 2 
+ * @param[in] leg2_upper_switch_convention   Choice of the switch convention for leg 2
  *
  * @return                  actual HRTIM resolution on success
  * @return                  0 on error

zephyr/modules/owntech_ngnd_driver/zephyr/src/owntech_ngnd_driver.c

@@ -60,7 +60,7 @@ void ngnd_set(const struct device* dev, int value)
 {
 	struct owntech_ngnd_driver_dev_data* data = dev->data;
 
-	gpio_pin_set(data->ngnd_pin_spec.port, data->ngnd_pin_spec.pin, value);
+	gpio_pin_set_dt(&data->ngnd_pin_spec, value);
 }
 
 

zephyr/prj.conf

@@ -6,9 +6,6 @@ CONFIG_CPLUSPLUS=y
 
 CONFIG_NEWLIB_LIBC=y
 CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y
-# Newlib-nano seems to clash with Newlib when float printf is enabled
-# (duplicate symbols found when compiling). Disable it.
-CONFIG_NEWLIB_LIBC_NANO=n
 
 CONFIG_CMSIS_DSP=y
 CONFIG_CMSIS_DSP_CONTROLLER=y