native: Enable hard SRST signal.

src/platforms/native/platform.c

@@ -82,7 +82,6 @@ int platform_init(void)
 	gpio_set_mode(JTAG_PORT, GPIO_MODE_OUTPUT_50_MHZ,
 			GPIO_CNF_OUTPUT_PUSHPULL,
 			TMS_PIN | TCK_PIN | TDI_PIN);
-
 	/* This needs some fixing... */
 	/* Toggle required to sort out line drivers... */
 	gpio_port_write(GPIOA, 0x8100);
@@ -99,6 +98,11 @@ int platform_init(void)
 	 * to release the device from reset if this floats. */
 	gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
 			GPIO_CNF_OUTPUT_PUSHPULL, GPIO7);
+	/* Enable SRST output */
+	gpio_set_val(SRST_PORT, SRST_PIN, platform_hwversion() > 0);
+	gpio_set_mode(SRST_PORT, GPIO_MODE_OUTPUT_50_MHZ,
+			GPIO_CNF_OUTPUT_PUSHPULL,
+			SRST_PIN);
 
 	/* Setup heartbeat timer */
 	systick_set_clocksource(STK_CTRL_CLKSOURCE_AHB_DIV8);
@@ -127,6 +131,15 @@ int platform_init(void)
 	return 0;
 }
 
+void platform_srst_set_val(bool assert)
+{
+	if (platform_hwversion() == 0) {
+		gpio_set_val(SRST_PORT, SRST_PIN, assert);
+	} else {
+		gpio_set_val(SRST_PORT, SRST_PIN, !assert);
+	}
+}
+
 void platform_delay(uint32_t delay)
 {
 	timeout_counter = delay;

src/platforms/native/platform.h

@@ -113,6 +113,9 @@ extern usbd_device *usbdev;
     gpio_set_mode(USBUSART_PORT, GPIO_MODE_OUTPUT_2_MHZ,                \
                   GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, USBUSART_TX_PIN);
 
+#define SRST_SET_VAL(x)				\
+    platform_srst_set_val(x)
+
 #define USB_DRIVER      stm32f103_usb_driver
 #define USB_IRQ         NVIC_USB_LP_CAN_RX0_IRQ
 #define USB_ISR         usb_lp_can_rx0_isr