Added somethings

components/pms5003/Kconfig.projbuild

@@ -18,6 +18,11 @@ menu "PMS5003"
         default 5
 	    depends on PMS5003_ENABLED
 
+    config PMS5003_SET_GPIO
+        int "PMS5003 Set Pin - (should be connected to pin 3 of PMS5003)"
+        default 6
+        depends on PMS5003_ENABLED
+
     config PMS5003_PERIOD_POLL
         int "Period to poll the PMS5003 in seconds"
 	default 8

components/pms5003/pms5003.c

@@ -1,5 +1,7 @@
 #include "pms5003.h"
+#include "driver/gpio.h"
 #include "driver/uart.h"
+#include "hal/gpio_types.h"
 #include "hal/uart_types.h"
 
 #define START_CHAR_1 0x42
@@ -18,12 +20,15 @@ pms5003_err pms5003_init() {
       .parity = UART_PARITY_DISABLE,
       .stop_bits = UART_STOP_BITS_1,
       .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
-    .rx_flow_ctrl_thresh = 122,
+      .rx_flow_ctrl_thresh = 122, // No idea what this does - it's a default I found somewhere
   };
+  gpio_set_direction(CONFIG_PMS5003_SET_GPIO, GPIO_MODE_DEF_OUTPUT);
+  // Datasheet has 10k pull-up
+  gpio_set_pull_mode(CONFIG_PMS5003_SET_GPIO, GPIO_PULLUP_ONLY);
   return PMS5003_OK;
 }
 
 pms5003_err pms5003_read(void) {
-
+  // uart_read_bytes
   return PMS5003_OK;
 }