at32: at32_common: reuse some parts from STM32

This is temporally, some parts are quite different and need rework

firmware/hw_layer/adc/adc_inputs.h

@@ -54,15 +54,6 @@ typedef enum {
 adc_channel_mode_e getAdcMode(adc_channel_e hwChannel);
 void initAdcInputs();
 
-// deprecated - migrate to 'getAdcChannelBrainPin'
-int getAdcChannelPin(adc_channel_e hwChannel);
-
-// deprecated - migrate to 'getAdcChannelBrainPin'
-ioportid_t getAdcChannelPort(const char *msg, adc_channel_e hwChannel);
-
-adc_channel_e getAdcChannel(brain_pin_e pin);
-brain_pin_e getAdcChannelBrainPin(const char *msg, adc_channel_e hwChannel);
-
 // wait until at least 1 slowADC sampling is complete
 void waitForSlowAdc(uint32_t lastAdcCounter = 0);
 // get a number of completed slowADC samples

firmware/hw_layer/ports/at32/at32_common.cpp

@@ -50,7 +50,7 @@ int at32GetMcuType(uint32_t id, const char **pn, const char **package, uint32_t
         { 0x70083257, "AT32F437RCT7",  256,  "LQFP64" },
     };
 
-    for (int i = 0; i < efi::size(at32f43x_types); i++) {
+    for (size_t i = 0; i < efi::size(at32f43x_types); i++) {
         if (id == at32f43x_types[i].uid) {
             if (pn)
                 *pn = at32f43x_types[i].pn;
@@ -93,3 +93,78 @@ int at32GetRamSizeKb(void)
     }
     return 0;
 }
+
+#if EFI_PROD_CODE
+
+static void reset_and_jump(void) {
+    // and now reboot
+    NVIC_SystemReset();
+}
+
+void jump_to_bootloader() {
+    // leave DFU breadcrumb which assembly startup code would check, see [rusefi][DFU] section in assembly code
+
+    *((unsigned long *)0x2001FFF0) = 0xDEADBEEF; // End of RAM
+
+    reset_and_jump();
+}
+
+void jump_to_openblt() {
+#if EFI_USE_OPENBLT
+    /* safe to call on already inited shares area */
+    SharedParamsInit();
+    /* Store sing to stay in OpenBLT */
+    SharedParamsWriteByIndex(0, 0x01);
+
+    reset_and_jump();
+#endif
+}
+
+BOR_Level_t BOR_Get(void) {
+    /* TODO: Artery */
+    /* Fake */
+    return BOR_Level_None;
+}
+
+BOR_Result_t BOR_Set(BOR_Level_t BORValue) {
+    /* NOP */
+    return BOR_Result_Ok;
+}
+
+void baseMCUInit(void) {
+    // looks like this holds a random value on start? Let's set a nice clean zero
+    DWT->CYCCNT = 0;
+
+    BOR_Set(BOR_Level_1); // one step above default value
+}
+
+extern uint32_t __main_stack_base__;
+
+typedef struct port_intctx intctx_t;
+
+EXTERNC int getRemainingStack(thread_t *otp) {
+#if CH_DBG_ENABLE_STACK_CHECK
+    // this would dismiss coverity warning - see http://rusefi.com/forum/viewtopic.php?f=5&t=655
+    // coverity[uninit_use]
+    register intctx_t *r13 asm ("r13");
+    otp->activeStack = r13;
+
+    int remainingStack;
+    if (ch.dbg.isr_cnt > 0) {
+        // ISR context
+        remainingStack = (int)(r13 - 1) - (int)&__main_stack_base__;
+    } else {
+        remainingStack = (int)(r13 - 1) - (int)otp->wabase;
+    }
+    otp->remainingStack = remainingStack;
+    return remainingStack;
+#else
+    UNUSED(otp);
+    return 99999;
+#endif /* CH_DBG_ENABLE_STACK_CHECK */
+}
+
+__attribute__((weak)) void boardPrepareForStandby() {
+}
+
+#endif /* EFI_PROD_CODE */

firmware/hw_layer/ports/at32/at32_common.mk

@@ -3,3 +3,33 @@ HW_AT32_PORT_DIR = $(PROJECT_DIR)/hw_layer/ports/at32
 HW_LAYER_PORT_CPP += \
 	$(HW_AT32_PORT_DIR)/at32_common.cpp \
 	$(HW_AT32_PORT_DIR)/at32f4/mpu_util.cpp
+
+HW_INC += \
+	$(HW_AT32_PORT_DIR)
+
+#
+# Use some stuff from STM32
+#
+
+HW_STM32_PORT_DIR = $(PROJECT_DIR)/hw_layer/ports/stm32
+
+HW_LAYER_PORT_CPP += \
+	$(HW_STM32_PORT_DIR)/serial_over_usb/usbconsole.cpp \
+	$(HW_STM32_PORT_DIR)/serial_over_usb/usbcfg.cpp \
+	$(HW_STM32_PORT_DIR)/stm32_pins.cpp \
+	$(HW_STM32_PORT_DIR)/stm32_adc.cpp \
+	$(HW_STM32_PORT_DIR)/stm32_can.cpp \
+	$(HW_STM32_PORT_DIR)/stm32_pwm.cpp \
+	$(HW_STM32_PORT_DIR)/stm32_serial.cpp \
+	$(HW_STM32_PORT_DIR)/stm32_spi.cpp \
+	$(HW_STM32_PORT_DIR)/stm32_icu.cpp \
+	$(HW_STM32_PORT_DIR)/microsecond_timer_stm32.cpp
+
+#RUSEFIASM = \
+#	$(HW_STM32_PORT_DIR)/rusEfiStartup.S
+
+HW_STM32_PORT_DIR = $(PROJECT_DIR)/hw_layer/ports/stm32
+
+HW_INC += \
+	$(HW_STM32_PORT_DIR) \
+	$(HW_STM32_PORT_DIR)/serial_over_usb

firmware/hw_layer/ports/mpu_util.h

@@ -21,6 +21,15 @@ bool isStm32F42x();
 
 // ADC
 #if HAL_USE_ADC
+
+adc_channel_e getAdcChannel(brain_pin_e pin);
+brain_pin_e getAdcChannelBrainPin(const char *msg, adc_channel_e hwChannel);
+
+// deprecated - migrate to 'getAdcChannelBrainPin'
+ioportid_t getAdcChannelPort(const char *msg, adc_channel_e hwChannel);
+// deprecated - migrate to 'getAdcChannelBrainPin'
+int getAdcChannelPin(adc_channel_e hwChannel);
+
 void portInitAdc();
 float getMcuTemperature();
 // Convert all slow ADC inputs.  Returns true if the conversion succeeded, false if a failure occured.
@@ -34,8 +43,11 @@ bool isValidCanRxPin(brain_pin_e pin);
 CANDriver* detectCanDevice(brain_pin_e pinRx, brain_pin_e pinTx);
 #endif // HAL_USE_CAN
 
+// Serial
+#if EFI_AUX_SERIAL
 bool isValidSerialTxPin(brain_pin_e pin);
 bool isValidSerialRxPin(brain_pin_e pin);
+#endif //EFI_AUX_SERIAL
 
 // SPI
 #if HAL_USE_SPI

firmware/hw_layer/ports/stm32/stm32_common.cpp

@@ -67,18 +67,6 @@ void jump_to_openblt() {
 
 #if EFI_PROD_CODE
 
-#ifdef AT32F4XX
-BOR_Level_t BOR_Get(void) {
-	/* TODO: Artery */
-	/* Fake */
-	return BOR_Level_None;
-}
-
-BOR_Result_t BOR_Set(BOR_Level_t BORValue) {
-	/* NOP */
-	return BOR_Result_Ok;
-}
-#else
 BOR_Level_t BOR_Get(void) {
 	FLASH_OBProgramInitTypeDef FLASH_Handle;
 
@@ -114,7 +102,6 @@ BOR_Result_t BOR_Set(BOR_Level_t BORValue) {
 
 	return BOR_Result_Ok;
 }
-#endif
 
 void baseMCUInit(void) {
 	// looks like this holds a random value on start? Let's set a nice clean zero

firmware/hw_layer/ports/stm32/stm32_common.mk

@@ -4,11 +4,11 @@ HW_LAYER_PORT_CPP += \
     $(HW_STM32_PORT_DIR)/serial_over_usb/usbconsole.cpp \
 	$(HW_STM32_PORT_DIR)/stm32_pins.cpp \
 	$(HW_STM32_PORT_DIR)/stm32_common.cpp \
-	$(HW_STM32_PORT_DIR)/stm32_common_adc.cpp \
-	$(HW_STM32_PORT_DIR)/stm32_common_can.cpp \
-	$(HW_STM32_PORT_DIR)/stm32_common_pwm.cpp \
-	$(HW_STM32_PORT_DIR)/stm32_common_serial.cpp \
-	$(HW_STM32_PORT_DIR)/stm32_common_spi.cpp \
+	$(HW_STM32_PORT_DIR)/stm32_adc.cpp \
+	$(HW_STM32_PORT_DIR)/stm32_can.cpp \
+	$(HW_STM32_PORT_DIR)/stm32_pwm.cpp \
+	$(HW_STM32_PORT_DIR)/stm32_serial.cpp \
+	$(HW_STM32_PORT_DIR)/stm32_spi.cpp \
 	$(HW_STM32_PORT_DIR)/stm32_icu.cpp \
 	$(HW_STM32_PORT_DIR)/backup_ram.cpp \
 	$(HW_STM32_PORT_DIR)/microsecond_timer_stm32.cpp \

firmware/hw_layer/ports/stm32/stm32f4/hw_ports.mk

@@ -33,12 +33,12 @@ else
 	DDEFS += -DSTM32F407xx
 endif
 
-# Now add common stm32 stuff
-include $(PROJECT_DIR)/hw_layer/ports/stm32/stm32_common.mk
-
-# Add Artery AT32 common stuff
 ifeq ($(IS_AT32F435),yes)
+	# Add Artery AT32 common stuff
 	include $(PROJECT_DIR)/hw_layer/ports/at32/at32_common.mk
+else
+	# Or STM32 common stuff
+	include $(PROJECT_DIR)/hw_layer/ports/stm32/stm32_common.mk
 endif
 
 # TODO: remove, for efifeatures.h