swlink: Handle LED.

src/platforms/swlink/platform.c

@@ -35,6 +35,8 @@
 #include <libopencm3/usb/usbd.h>
 #include <libopencm3/stm32/f1/adc.h>
 
+uint32_t led_error_port;
+uint16_t led_error_pin;
 static uint8_t rev;
 
 int platform_hwversion(void)
@@ -75,8 +77,13 @@ void platform_init(void)
 
 	switch (rev) {
 	case 0:
+		/* LED GPIO already set in detect_rev()*/
+		led_error_port = GPIOA;
+		led_error_pin = GPIO8;
 		break;
 	case 1:
+		led_error_port = GPIOC;
+		led_error_pin = GPIO13;
 		/* Enable MCO Out on PA8*/
 		RCC_CFGR &= ~(0xf << 24);
 		RCC_CFGR |= (RCC_CFGR_MCO_HSE << 24);
@@ -86,9 +93,6 @@ void platform_init(void)
 	}
 	platform_srst_set_val(false);
 
-	gpio_set_mode(LED_PORT, GPIO_MODE_OUTPUT_2_MHZ,
-			GPIO_CNF_OUTPUT_PUSHPULL, LED_IDLE_RUN);
-
 	/* Remap TIM2 TIM2_REMAP[1]
 	 * TIM2_CH1_ETR -> PA15 (TDI, set as output above)
 	 * TIM2_CH2     -> PB3  (TDO)
@@ -137,3 +141,15 @@ const char *platform_target_voltage(void)
 {
 	return "unknown";
 }
+
+void set_idle_state(int state)
+{
+	switch (rev) {
+	case 0:
+		gpio_set_val(GPIOA, GPIO8, state);
+		break;
+	case 1:
+		gpio_set_val(GPIOC, GPIO13, (!state));
+		break;
+	}
+}

src/platforms/swlink/platform.h

@@ -53,8 +53,6 @@
 #define SWDIO_PIN	TMS_PIN
 #define SWCLK_PIN	TCK_PIN
 
-#define LED_PORT	GPIOA
-#define LED_IDLE_RUN    GPIO8
 /* Use PC14 for a "dummy" uart led. So we can observere at least with scope*/
 #define LED_PORT_UART	GPIOC
 #define LED_UART	GPIO14
@@ -125,9 +123,12 @@ int usbuart_debug_write(const char *buf, size_t len);
 # define DEBUG(...)
 #endif
 
-#define SET_RUN_STATE(state)	{running_status = (state);}
-#define SET_IDLE_STATE(state)	{gpio_set_val(LED_PORT, LED_IDLE_RUN, state);}
-#define SET_ERROR_STATE(x)
+#define LED_PORT GPIOC
+#define LED_IDLE_RUN GPIO15
+#define SET_RUN_STATE(state)
+#define SET_ERROR_STATE(state)
+extern void set_idle_state(int state);
+#define SET_IDLE_STATE(state) set_idle_state(state)
 
 extern uint8_t detect_rev(void);
 

src/platforms/swlink/platform_common.c

@@ -51,6 +51,7 @@ uint8_t detect_rev()
 	gpio_set(GPIOB, GPIO9);
 	switch (rev) {
 	case 0:
+		gpio_clear(GPIOA, GPIO8);
 		gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,
 					  GPIO_CNF_OUTPUT_PUSHPULL, GPIO8);
 		break;

src/platforms/swlink/usbdfu.c

@@ -27,6 +27,7 @@
 #include "platform.h"
 
 uint32_t app_address = 0x08002000;
+uint32_t rev;
 
 void dfu_detach(void)
 {
@@ -45,7 +46,7 @@ int main(void)
 {
 	/* Check the force bootloader pin*/
 	bool normal_boot = 0;
-	int rev = detect_rev();
+	rev = detect_rev();
 	switch (rev) {
 	case 0:
 		/* For Stlink on  STM8S check that CN7 PIN 4 RESET# is
@@ -94,5 +95,12 @@ void dfu_event(void)
 
 void sys_tick_handler(void)
 {
+	switch (rev) {
+	case 0:
 		gpio_toggle(GPIOA, GPIO8);
+		break;
+	case 1:
+		gpio_toggle(GPIOC, GPIO13);
+		break;
+	}
 }