fix 'enumerated type mixed with another type' IAR warnings

Author: ShuopengDeng

targets/TARGET_Cypress/TARGET_PSOC6/cy_port_api.c

@@ -41,7 +41,7 @@ void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
 
 void port_mode(port_t *obj, PinMode mode)
 {
-    gpio_t gpio = {.pin = 0, .direction = obj->direction, .drive_mode = obj->drive_mode};
+    gpio_t gpio = {.direction = obj->direction, .drive_mode = obj->drive_mode};
     for (uint8_t pin = 0; pin < 8; pin++) {
         if ((1 << pin) & obj->mask) {
             gpio.pin = port_pin(obj->port, pin);
@@ -52,7 +52,7 @@ void port_mode(port_t *obj, PinMode mode)
 
 void port_dir(port_t *obj, PinDirection dir)
 {
-    gpio_t gpio = {.pin = 0, .direction = obj->direction, .drive_mode = obj->drive_mode};
+    gpio_t gpio = {.direction = obj->direction, .drive_mode = obj->drive_mode};
     for (uint8_t pin = 0; pin < 8; pin++) {
         if ((1 << pin) & obj->mask) {
             gpio.pin = port_pin(obj->port, pin);

targets/TARGET_Cypress/TARGET_PSOC6/cy_serial_api.c

@@ -151,11 +151,11 @@ void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable)
         static const cyhal_uart_event_t interrupt_mask = (cyhal_uart_event_t)
                                                          (CYHAL_UART_IRQ_RX_DONE | CYHAL_UART_IRQ_RX_ERROR | CYHAL_UART_IRQ_RX_NOT_EMPTY);
         ser->rx_event_mask = enable
-                             ? (ser->rx_event_mask | interrupt_mask)
-                             : (ser->rx_event_mask & ~interrupt_mask);
+                             ? (cyhal_uart_event_t)(ser->rx_event_mask | interrupt_mask)
+                             : (cyhal_uart_event_t)(ser->rx_event_mask & ~interrupt_mask);
         cyhal_uart_enable_event(&(ser->hal_obj), interrupt_mask, CYHAL_ISR_PRIORITY_DEFAULT, (bool)enable);
     } else if (irq == TxIrq) {
-        static const cyhal_uart_event_t interrupt_mask = CYHAL_UART_IRQ_TX_DONE | CYHAL_UART_IRQ_TX_ERROR | CYHAL_UART_IRQ_TX_EMPTY;
+        static const cyhal_uart_event_t interrupt_mask = (cyhal_uart_event_t)(CYHAL_UART_IRQ_TX_DONE | CYHAL_UART_IRQ_TX_ERROR | CYHAL_UART_IRQ_TX_EMPTY);
         ser->tx_event_mask = enable
                              ? (cyhal_uart_event_t)(ser->tx_event_mask | interrupt_mask)
                              : (cyhal_uart_event_t)(ser->tx_event_mask & ~interrupt_mask);