aliexpress sucks

BluepillTrouba.ioc

@@ -42,7 +42,7 @@ IWDG.IPParameters=Prescaler,Reload
 IWDG.Prescaler=IWDG_PRESCALER_256
 IWDG.Reload=624
 KeepUserPlacement=false
-Mcu.CPN=STM32F103CBT6
+Mcu.CPN=STM32F103C8T6
 Mcu.Family=STM32F1
 Mcu.IP0=ADC1
 Mcu.IP1=DMA
@@ -86,7 +86,7 @@ Mcu.Pin9=PA9
 Mcu.PinsNb=24
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
-Mcu.UserName=STM32F103CBTx
+Mcu.UserName=STM32F103C8Tx
 MxCube.Version=6.5.0
 MxDb.Version=DB.6.0.50
 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:true
@@ -172,7 +172,7 @@ ProjectManager.CoupleFile=true
 ProjectManager.CustomerFirmwarePackage=
 ProjectManager.DefaultFWLocation=true
 ProjectManager.DeletePrevious=true
-ProjectManager.DeviceId=STM32F103CBTx
+ProjectManager.DeviceId=STM32F103C8Tx
 ProjectManager.FirmwarePackage=STM32Cube FW_F1 V1.8.4
 ProjectManager.FreePins=true
 ProjectManager.HalAssertFull=true

Core/Inc/FreeRTOSConfig.h

@@ -106,6 +106,30 @@ to exclude the API function. */
  */
 #define USE_FreeRTOS_HEAP_4
 
+#define FAKE_STM32 1
+
+#if FAKE_STM32
+
+/* Cortex-M specific definitions. */
+#ifdef __NVIC_PRIO_BITS
+ /* __BVIC_PRIO_BITS will be specified when CMSIS is being used. */
+ #define configPRIO_BITS         __NVIC_PRIO_BITS
+#else
+ #define configPRIO_BITS         3
+#endif
+
+/* The lowest interrupt priority that can be used in a call to a "set priority"
+function. */
+#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY   7
+
+/* The highest interrupt priority that can be used by any interrupt service
+routine that makes calls to interrupt safe FreeRTOS API functions.  DO NOT CALL
+INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
+PRIORITY THAN THIS! (higher priorities are lower numeric values. */
+#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 5
+
+#else
+
 /* Cortex-M specific definitions. */
 #ifdef __NVIC_PRIO_BITS
  /* __BVIC_PRIO_BITS will be specified when CMSIS is being used. */
@@ -124,6 +148,8 @@ INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
 PRIORITY THAN THIS! (higher priorities are lower numeric values. */
 #define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 5
 
+#endif
+
 /* Interrupt priorities used by the kernel port layer itself.  These are generic
 to all Cortex-M ports, and do not rely on any particular library functions. */
 #define configKERNEL_INTERRUPT_PRIORITY 		( configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
@@ -134,7 +160,8 @@ See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
 /* Normal assert() semantics without relying on the provision of an assert.h
 header file. */
 /* USER CODE BEGIN 1 */
-#define configASSERT( x ) if ((x) == 0) {taskDISABLE_INTERRUPTS(); for( ;; );}
+#include <stdio.h>
+#define configASSERT( x ) if ((x) == 0) {taskDISABLE_INTERRUPTS(); printf("configASSERT "__FILE__":%d\r\n",__LINE__); for( ;; );}
 /* USER CODE END 1 */
 
 /* Definitions that map the FreeRTOS port interrupt handlers to their CMSIS

Core/Src/app_main.c

@@ -97,6 +97,7 @@ void app_task_main(void *argument)
     bool any_change = true;
     uint32_t last_redraw = osKernelGetTickCount();
 
+    uint32_t last_blink = xTaskGetTickCount();
     for (;;) {
         // sampling is done in the heater loop
 
@@ -144,11 +145,16 @@ void app_task_main(void *argument)
             any_change = false;
 
             // Blink
-            HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
         }
 
         vTaskDelay(pdMS_TO_TICKS(10));
 
+        now = osKernelGetTickCount();
+        if (now - last_blink > 250) {
+            HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
+            last_blink = now;
+        }
+
         // feed dogs
         HAL_IWDG_Refresh(&hiwdg);
     }

Core/Src/main.c

@@ -106,6 +106,7 @@ int main(void)
   MX_TIM3_Init();
   MX_SPI2_Init();
   /* USER CODE BEGIN 2 */
+    printf("Kernel start\r\n");
   /* USER CODE END 2 */
 
   /* Init scheduler */
@@ -224,6 +225,7 @@ void Error_Handler(void)
 void assert_failed(uint8_t *file, uint32_t line)
 {
   /* USER CODE BEGIN 6 */
+  printf("assert_failed %s:%d\r\n", file, line);
   /* User can add his own implementation to report the file name and line number,
      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
   /* USER CODE END 6 */

Core/Src/spi.c

@@ -44,7 +44,7 @@ void MX_SPI2_Init(void)
   hspi2.Init.CLKPolarity = SPI_POLARITY_LOW;
   hspi2.Init.CLKPhase = SPI_PHASE_1EDGE;
   hspi2.Init.NSS = SPI_NSS_SOFT;
-  hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
+  hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
   hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
   hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
   hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;

Makefile

@@ -1,5 +1,5 @@
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.16.0] date: [Tue Mar 07 00:54:18 CET 2023]
+# File automatically-generated by tool: [projectgenerator] version: [3.16.0] date: [Sun Mar 12 01:37:39 CET 2023] 
 ##########################################################################################################################
 
 # ------------------------------------------------
@@ -172,7 +172,7 @@ CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
 # LDFLAGS
 #######################################
 # link script
-LDSCRIPT = STM32F103CBTx_FLASH.ld
+LDSCRIPT = STM32F103C8Tx_FLASH.ld
 
 # libraries
 LIBS = -lc -lm -lnosys

Middlewares/Third_Party/FreeRTOS/Source/portable/GCC/ARM_CM3/port.c

@@ -281,6 +281,8 @@ BaseType_t xPortStartScheduler( void )
 		/* Read the value back to see how many bits stuck. */
 		ucMaxPriorityValue = *pucFirstUserPriorityRegister;
 
+        printf("ucMaxPriorityValue %02x, \r\n", ucMaxPriorityValue);
+
 		/* Use the same mask on the maximum system call priority. */
 		ucMaxSysCallPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY & ucMaxPriorityValue;
 
@@ -292,6 +294,7 @@ BaseType_t xPortStartScheduler( void )
 			ulMaxPRIGROUPValue--;
 			ucMaxPriorityValue <<= ( uint8_t ) 0x01;
 		}
+        printf("portMAX_PRIGROUP_BITS %02x, ulMaxPRIGROUPValue %02x \r\n", portMAX_PRIGROUP_BITS, ulMaxPRIGROUPValue);
 
 		#ifdef __NVIC_PRIO_BITS
 		{
@@ -304,6 +307,8 @@ BaseType_t xPortStartScheduler( void )
 
 		#ifdef configPRIO_BITS
 		{
+        printf("( portMAX_PRIGROUP_BITS %d - ulMaxPRIGROUPValue %d ) == configPRIO_BITS %d \r\n",
+               portMAX_PRIGROUP_BITS, ulMaxPRIGROUPValue, configPRIO_BITS );
 			/* Check the FreeRTOS configuration that defines the number of
 			priority bits matches the number of priority bits actually queried
 			from the hardware. */

STM32F103C8Tx_FLASH.ld

@@ -6,8 +6,8 @@
 **
 **  Author		: STM32CubeMX
 **
-**  Abstract    : Linker script for STM32F103CBTx series
-**                128Kbytes FLASH and 20Kbytes RAM
+**  Abstract    : Linker script for STM32F103C8Tx series
+**                64Kbytes FLASH and 20Kbytes RAM
 **
 **                Set heap size, stack size and stack location according
 **                to application requirements.
@@ -62,7 +62,7 @@ _Min_Stack_Size = 0x400; /* required amount of stack */
 MEMORY
 {
 RAM (xrw)      : ORIGIN = 0x20000000, LENGTH = 20K
-FLASH (rx)      : ORIGIN = 0x8000000, LENGTH = 128K
+FLASH (rx)      : ORIGIN = 0x8000000, LENGTH = 64K
 }
 
 /* Define output sections */