STM32L011K4 : corrected SPI1 pinout, added SPI enable in display module.

SolderStationMk2_NucleoSTM32L011K4/Core/Inc/main.h

@@ -101,8 +101,6 @@ void Error_Handler(void);
 #define TCK_GPIO_Port GPIOA
 #define VCP_RX_Pin LL_GPIO_PIN_15
 #define VCP_RX_GPIO_Port GPIOA
-#define LED_BLUE_Pin LL_GPIO_PIN_3
-#define LED_BLUE_GPIO_Port GPIOB
 #define DISPLAY_LATCH_Pin LL_GPIO_PIN_4
 #define DISPLAY_LATCH_GPIO_Port GPIOB
 #define DISPLAY_K1_Pin LL_GPIO_PIN_6

SolderStationMk2_NucleoSTM32L011K4/Core/Inc/register.h

@@ -84,7 +84,12 @@
 #define mREGOutputsDisplayK3SetState()		(LL_GPIO_SetOutputPin(mREG_DISPLAY_K3_GPIO_Port, mREG_DISPLAY_K3_Pin))
 #define mREGOutputsDisplayK3ResetState()	(LL_GPIO_ResetOutputPin(mREG_DISPLAY_K3_GPIO_Port, mREG_DISPLAY_K3_Pin))
 
+#define mREGOutputsDisplayLATCHSetState()	(LL_GPIO_SetOutputPin(mREG_DISPLAY_LATCH_GPIO_Port, mREG_DISPLAY_LATCH_Pin))
+#define mREGOutputsDisplayLATCHResetState()	(LL_GPIO_ResetOutputPin(mREG_DISPLAY_LATCH_GPIO_Port, mREG_DISPLAY_LATCH_Pin))
+
 /* SPI --------------------------------------------------------*/
+#define mREGSpi1Enable()					(LL_SPI_Enable(SPI1))
+#define mREGSpi1Disable()					(LL_SPI_Disable(SPI1))
 #define mREGSpi1InterruptRxEnable()			(LL_SPI_EnableIT_RXNE(SPI1))
 #define mREGSpi1InterruptRxDisable()		(LL_SPI_DisableIT_RXNE(SPI1))
 #define mREGSpi1SendFrame(frame) 			(LL_SPI_TransmitData8(SPI1, frame))

SolderStationMk2_NucleoSTM32L011K4/Core/Src/display.c

@@ -48,7 +48,7 @@ const static uint8_t cDISPSevenSegmentTable_U8A[] =
 // Local variables
 // ===============
 static uint8_t DISPSevenSegBuffer_U8A [cDISPMaxDigit];
-static uint8_t DISPSevenSegelect_U8;
+static uint8_t DISPSevenSegSelect_U8;
 static bool DISPEnableDisplay_B;
 
 // ===========================
@@ -107,18 +107,20 @@ bool DISPValueToDigits (uint16_t value_u16, uint8_t* digits_U8A[])
 // ============================
 void DISPInit (void)
 {
-	DISPSevenSegelect_U8 = 0U;
+	DISPSevenSegSelect_U8 = 0U;
 	DISPEnableDisplay_B = false;
 }
 
 void DISPStart (void)
 {
 	mREGSpi1InterruptRxEnable();
+	mREGSpi1Enable();
 	DISPEnableDisplay();
 }
 
 void DISPStop (void)
 {
+	mREGSpi1Disable();
 	mREGSpi1InterruptRxDisable();
 }
 
@@ -144,23 +146,24 @@ char DISPNumberToChar (uint8_t number_u8)
 void DISPRefresh (void)
 {
 	// Switch active digit
-	if (DISPSevenSegelect_U8 < cDISPMaxDigit)
+	if (DISPSevenSegSelect_U8 < cDISPMaxDigit)
 	{
-		DISPSevenSegelect_U8++;
+		DISPSevenSegSelect_U8++;
 	}
 	else
 	{
-		DISPSevenSegelect_U8 = 0U;
+		DISPSevenSegSelect_U8 = 0U;
 	}
 
 	// Disable display before changing value
 	mREGOutputsDisplayK1ResetState();
 	mREGOutputsDisplayK2ResetState();
 	mREGOutputsDisplayK3ResetState();
+	mREGOutputsDisplayLATCHResetState();
 
 	// Refresh
 	mREGSpi1InterruptRxEnable();
-	mREGSpi1SendFrame(&DISPSevenSegBuffer_U8A[DISPSevenSegelect_U8]);
+	mREGSpi1SendFrame(DISPSevenSegBuffer_U8A[DISPSevenSegSelect_U8]);
 }
 
 void DISPEnableDisplay (void)
@@ -183,7 +186,7 @@ void DISPInterruptRx (void)
 	uint8_t rx_u8;
 	if (DISPEnableDisplay_B == true)
 	{ // Enable active digit
-		switch (DISPSevenSegelect_U8)
+		switch (DISPSevenSegSelect_U8)
 		{
 		case 0U: // Enable K1
 			mREGOutputsDisplayK1SetState();
@@ -206,6 +209,8 @@ void DISPInterruptRx (void)
 			mREGOutputsDisplayK3ResetState();
 			break;
 		}
+
+		mREGOutputsDisplayLATCHSetState(); // Latch value
 	}
 	else
 	{ // Disable display

SolderStationMk2_NucleoSTM32L011K4/Core/Src/main.c

@@ -339,19 +339,18 @@ static void MX_SPI1_Init(void)
   /* Peripheral clock enable */
   LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SPI1);
 
-  LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOA);
   LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOB);
   /**SPI1 GPIO Configuration
-  PA5   ------> SPI1_SCK
+  PB3   ------> SPI1_SCK
   PB5   ------> SPI1_MOSI
   */
-  GPIO_InitStruct.Pin = LL_GPIO_PIN_5;
+  GPIO_InitStruct.Pin = LL_GPIO_PIN_3;
   GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
   GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH;
   GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
   GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
   GPIO_InitStruct.Alternate = LL_GPIO_AF_0;
-  LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+  LL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
   GPIO_InitStruct.Pin = LL_GPIO_PIN_5;
   GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
@@ -576,9 +575,6 @@ static void MX_GPIO_Init(void)
   /**/
   LL_GPIO_ResetOutputPin(DISPLAY_K3_GPIO_Port, DISPLAY_K3_Pin);
 
-  /**/
-  LL_GPIO_ResetOutputPin(LED_BLUE_GPIO_Port, LED_BLUE_Pin);
-
   /**/
   LL_GPIO_ResetOutputPin(DISPLAY_LATCH_GPIO_Port, DISPLAY_LATCH_Pin);
 
@@ -668,14 +664,6 @@ static void MX_GPIO_Init(void)
   GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
   LL_GPIO_Init(DISPLAY_K3_GPIO_Port, &GPIO_InitStruct);
 
-  /**/
-  GPIO_InitStruct.Pin = LED_BLUE_Pin;
-  GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
-  GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
-  GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
-  GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
-  LL_GPIO_Init(LED_BLUE_GPIO_Port, &GPIO_InitStruct);
-
   /**/
   GPIO_InitStruct.Pin = DISPLAY_LATCH_Pin;
   GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;

SolderStationMk2_NucleoSTM32L011K4/SolderStationMk2_SW.ioc

@@ -27,30 +27,29 @@ Mcu.Name=STM32L011K(3-4)Tx
 Mcu.Package=LQFP32
 Mcu.Pin0=PC14-OSC32_IN
 Mcu.Pin1=PC15-OSC32_OUT
-Mcu.Pin10=PA9
-Mcu.Pin11=PA10
-Mcu.Pin12=PA11
-Mcu.Pin13=PA12
-Mcu.Pin14=PA13
-Mcu.Pin15=PA14
-Mcu.Pin16=PA15
-Mcu.Pin17=PB3
-Mcu.Pin18=PB4
-Mcu.Pin19=PB5
+Mcu.Pin10=PA10
+Mcu.Pin11=PA11
+Mcu.Pin12=PA12
+Mcu.Pin13=PA13
+Mcu.Pin14=PA14
+Mcu.Pin15=PA15
+Mcu.Pin16=PB3
+Mcu.Pin17=PB4
+Mcu.Pin18=PB5
+Mcu.Pin19=PB6
 Mcu.Pin2=PA0-CK_IN
-Mcu.Pin20=PB6
-Mcu.Pin21=PB7
-Mcu.Pin22=VP_TIM2_VS_ClockSourceINT
-Mcu.Pin23=VP_TIM21_VS_ClockSourceINT
-Mcu.Pin24=VP_TIM21_VS_no_output1
+Mcu.Pin20=PB7
+Mcu.Pin21=VP_TIM2_VS_ClockSourceINT
+Mcu.Pin22=VP_TIM21_VS_ClockSourceINT
+Mcu.Pin23=VP_TIM21_VS_no_output1
 Mcu.Pin3=PA2
 Mcu.Pin4=PA3
 Mcu.Pin5=PA4
-Mcu.Pin6=PA5
-Mcu.Pin7=PB0
-Mcu.Pin8=PB1
-Mcu.Pin9=PA8
-Mcu.PinsNb=25
+Mcu.Pin6=PB0
+Mcu.Pin7=PB1
+Mcu.Pin8=PA8
+Mcu.Pin9=PA9
+Mcu.PinsNb=24
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32L011K4Tx
@@ -108,9 +107,6 @@ PA3.Locked=true
 PA3.Signal=GPXTI3
 PA4.Mode=I2C
 PA4.Signal=I2C1_SCL
-PA5.Locked=true
-PA5.Mode=TX_Only_Simplex_Unidirect_Master
-PA5.Signal=SPI1_SCK
 PA8.GPIOParameters=GPIO_Label
 PA8.GPIO_Label=PWM_HEATER
 PA8.Signal=S_TIM2_CH1
@@ -128,10 +124,9 @@ PB1.GPIOParameters=GPIO_Label
 PB1.GPIO_Label=LED
 PB1.Locked=true
 PB1.Signal=GPIO_Output
-PB3.GPIOParameters=GPIO_Label
-PB3.GPIO_Label=LED_BLUE
 PB3.Locked=true
-PB3.Signal=GPIO_Output
+PB3.Mode=TX_Only_Simplex_Unidirect_Master
+PB3.Signal=SPI1_SCK
 PB4.GPIOParameters=GPIO_Label
 PB4.GPIO_Label=DISPLAY_LATCH
 PB4.Locked=true