Add Generic F042Cx

Supersede stm32duino#1103 Signed-off-by: seeers <seeers@gmx.de> Co-authored-by: Frederic.Pillon <frederic.pillon@st.com>
fpistm · Feb 1, 2021 · dd7d392 · dd7d392
1 parent d4bac8b
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diff --git a/README.md b/README.md
@@ -156,6 +156,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :yellow_heart: | STM32F030F4 | Generic Board | **2.0.0** |  |
 | :yellow_heart: | STM32F030R8 | Generic Board | **2.0.0** |  |
 | :yellow_heart: | STM32F031K6T | Generic Board | **2.0.0** |  |
+| :yellow_heart: | STM32F042C4<br>STM32F042C6 | Generic Board | **2.0.0** |  |
 | :yellow_heart: | STM32F051K4U<br>STM32F051K6U<br>STM32F051K8U | Generic Board | **2.0.0** |  |
 | :yellow_heart: | STM32F070CB | Generic Board | **2.0.0** |  |
 | :yellow_heart: | STM32F072C8<br>STM32F072CB | Generic Board | **2.0.0** |  |

diff --git a/boards.txt b/boards.txt
@@ -818,7 +818,7 @@ GenF0.build.board=GenF0
 GenF0.build.mcu=cortex-m0
 GenF0.build.series=STM32F0xx
 GenF0.build.cmsis_lib_gcc=arm_cortexM0l_math
-GenF0.build.extra_flags=-D{build.product_line} {build.xSerial}
+GenF0.build.extra_flags=-D{build.product_line} {build.enable_usb} {build.xSerial}
 
 # DEMO_F030F4 board
 GenF0.menu.pnum.DEMO_F030F4=STM32F030F4 Demo board (HSE 8Mhz)
@@ -876,6 +876,22 @@ GenF0.menu.pnum.GENERIC_F031K6T.build.board=GENERIC_F031K6T
 GenF0.menu.pnum.GENERIC_F031K6T.build.product_line=STM32F031x6
 GenF0.menu.pnum.GENERIC_F031K6T.build.variant=STM32F0xx/Generic_F031K6T
 
+# Generic F042C4
+GenF0.menu.pnum.GENERIC_F042C4=Generic F042C4
+GenF0.menu.pnum.GENERIC_F042C4.upload.maximum_size=16384
+GenF0.menu.pnum.GENERIC_F042C4.upload.maximum_data_size=6144
+GenF0.menu.pnum.GENERIC_F042C4.build.board=GENERIC_F042C4
+GenF0.menu.pnum.GENERIC_F042C4.build.product_line=STM32F042x6
+GenF0.menu.pnum.GENERIC_F042C4.build.variant=STM32F0xx/Generic_F042Cx
+
+# Generic F042C6
+GenF0.menu.pnum.GENERIC_F042C6=Generic F042C6
+GenF0.menu.pnum.GENERIC_F042C6.upload.maximum_size=32768
+GenF0.menu.pnum.GENERIC_F042C6.upload.maximum_data_size=6144
+GenF0.menu.pnum.GENERIC_F042C6.build.board=GENERIC_F042C6
+GenF0.menu.pnum.GENERIC_F042C6.build.product_line=STM32F042x6
+GenF0.menu.pnum.GENERIC_F042C6.build.variant=STM32F0xx/Generic_F042Cx
+
 # Generic F051K4U
 GenF0.menu.pnum.GENERIC_F051K4U=Generic F051K4U
 GenF0.menu.pnum.GENERIC_F051K4U.upload.maximum_size=16384
@@ -2842,6 +2858,14 @@ Eval.menu.xusb.HS.build.usb_speed=-DUSE_USB_HS
 Eval.menu.xusb.HSFS=High Speed in Full Speed mode
 Eval.menu.xusb.HSFS.build.usb_speed=-DUSE_USB_HS -DUSE_USB_HS_IN_FS
 
+GenF0.menu.usb.none=None
+GenF0.menu.usb.CDCgen=CDC (generic 'Serial' supersede U(S)ART)
+GenF0.menu.usb.CDCgen.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC
+GenF0.menu.usb.CDC=CDC (no generic 'Serial')
+GenF0.menu.usb.CDC.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC -DDISABLE_GENERIC_SERIALUSB
+GenF0.menu.usb.HID=HID (keyboard and mouse)
+GenF0.menu.usb.HID.build.enable_usb={build.usb_flags} -DUSBD_USE_HID_COMPOSITE
+
 GenF1.menu.usb.none=None
 GenF1.menu.usb.CDCgen=CDC (generic 'Serial' supersede U(S)ART)
 GenF1.menu.usb.CDCgen.build.enable_usb={build.usb_flags} -DUSBD_USE_CDC

diff --git a/variants/STM32F0xx/Generic_F042Cx/PeripheralPins.c b/variants/STM32F0xx/Generic_F042Cx/PeripheralPins.c
@@ -0,0 +1,234 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2021, STMicroelectronics
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ *                        opensource.org/licenses/BSD-3-Clause
+ *
+ *******************************************************************************
+ */
+/*
+ * Automatically generated from STM32F042C(4-6)Tx.xml
+ * CubeMX DB release 6.0.10
+ */
+#include "Arduino.h"
+#include "PeripheralPins.h"
+
+/* =====
+ * Notes:
+ * - The pins mentioned Px_y_ALTz are alternative possibilities which use other
+ *   HW peripheral instances. You can use them the same way as any other "normal"
+ *   pin (i.e. analogWrite(PA7_ALT1, 128);).
+ *
+ * - Commented lines are alternative possibilities which are not used per default.
+ *   If you change them, you will have to know what you do
+ * =====
+ */
+
+//*** ADC ***
+
+#ifdef HAL_ADC_MODULE_ENABLED
+WEAK const PinMap PinMap_ADC[] = {
+  {PA_0, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 0, 0)}, // ADC_IN0
+  {PA_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 1, 0)}, // ADC_IN1
+  {PA_2, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 2, 0)}, // ADC_IN2
+  {PA_3, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 3, 0)}, // ADC_IN3
+  {PA_4, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 4, 0)}, // ADC_IN4
+  {PA_5, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 5, 0)}, // ADC_IN5
+  {PA_6, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 6, 0)}, // ADC_IN6
+  {PA_7, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 7, 0)}, // ADC_IN7
+  {PB_0, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 8, 0)}, // ADC_IN8
+  {PB_1, ADC1, STM_PIN_DATA_EXT(STM_MODE_ANALOG, GPIO_NOPULL, 0, 9, 0)}, // ADC_IN9
+  {NC,   NP,   0}
+};
+#endif
+
+//*** No DAC ***
+
+//*** I2C ***
+
+#ifdef HAL_I2C_MODULE_ENABLED
+WEAK const PinMap PinMap_I2C_SDA[] = {
+  {PA_10, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+  {PA_12, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C1)},
+  {PB_7,  I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+  {PB_9,  I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+  {PB_11, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+  {PB_14, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF_NONE)},
+  {PF_0,  I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+  {NC,    NP,   0}
+};
+#endif
+
+#ifdef HAL_I2C_MODULE_ENABLED
+WEAK const PinMap PinMap_I2C_SCL[] = {
+  {PA_9,  I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+  {PA_11, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF5_I2C1)},
+  {PB_6,  I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+  {PB_8,  I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+  {PB_10, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+  {PB_13, I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF_NONE)},
+  {PF_1,  I2C1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF1_I2C1)},
+  {NC,    NP,   0}
+};
+#endif
+
+//*** TIM ***
+
+#ifdef HAL_TIM_MODULE_ENABLED
+WEAK const PinMap PinMap_TIM[] = {
+  {PA_0,      TIM2,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 1, 0)}, // TIM2_CH1
+  {PA_1,      TIM2,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 2, 0)}, // TIM2_CH2
+  {PA_2,      TIM2,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 3, 0)}, // TIM2_CH3
+  {PA_3,      TIM2,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 4, 0)}, // TIM2_CH4
+  {PA_4,      TIM14, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14, 1, 0)}, // TIM14_CH1
+  {PA_5,      TIM2,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 1, 0)}, // TIM2_CH1
+  {PA_6,      TIM3,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 1, 0)}, // TIM3_CH1
+  {PA_6_ALT1, TIM16, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM16, 1, 0)}, // TIM16_CH1
+  {PA_7,      TIM1,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 1, 1)}, // TIM1_CH1N
+  {PA_7_ALT1, TIM3,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 2, 0)}, // TIM3_CH2
+  {PA_7_ALT2, TIM14, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF4_TIM14, 1, 0)}, // TIM14_CH1
+  {PA_7_ALT3, TIM17, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_TIM17, 1, 0)}, // TIM17_CH1
+  {PA_8,      TIM1,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 1, 0)}, // TIM1_CH1
+  {PA_9,      TIM1,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 2, 0)}, // TIM1_CH2
+  {PA_10,     TIM1,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 3, 0)}, // TIM1_CH3
+  {PA_11,     TIM1,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 4, 0)}, // TIM1_CH4
+  {PA_15,     TIM2,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 1, 0)}, // TIM2_CH1
+  {PB_0,      TIM1,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 2, 1)}, // TIM1_CH2N
+  {PB_0_ALT1, TIM3,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 3, 0)}, // TIM3_CH3
+  {PB_1,      TIM1,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 3, 1)}, // TIM1_CH3N
+  {PB_1_ALT1, TIM3,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 4, 0)}, // TIM3_CH4
+  {PB_1_ALT2, TIM14, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_TIM14, 1, 0)}, // TIM14_CH1
+  {PB_3,      TIM2,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 2, 0)}, // TIM2_CH2
+  {PB_4,      TIM3,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 1, 0)}, // TIM3_CH1
+  {PB_5,      TIM3,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_TIM3, 2, 0)}, // TIM3_CH2
+  {PB_6,      TIM16, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16, 1, 1)}, // TIM16_CH1N
+  {PB_7,      TIM17, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17, 1, 1)}, // TIM17_CH1N
+  {PB_8,      TIM16, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM16, 1, 0)}, // TIM16_CH1
+  {PB_9,      TIM17, STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM17, 1, 0)}, // TIM17_CH1
+  {PB_10,     TIM2,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 3, 0)}, // TIM2_CH3
+  {PB_11,     TIM2,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM2, 4, 0)}, // TIM2_CH4
+  {PB_13,     TIM1,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 1, 1)}, // TIM1_CH1N
+  {PB_14,     TIM1,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 2, 1)}, // TIM1_CH2N
+  {PB_15,     TIM1,  STM_PIN_DATA_EXT(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_TIM1, 3, 1)}, // TIM1_CH3N
+  {NC,        NP,    0}
+};
+#endif
+
+//*** UART ***
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_TX[] = {
+  {PA_2,  USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
+  {PA_9,  USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+  {PA_14, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
+  {PB_6,  USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
+  {NC,    NP,     0}
+};
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_RX[] = {
+  {PA_3,  USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
+  {PA_10, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+  {PA_15, USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
+  {PB_7,  USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_USART1)},
+  {NC,    NP,     0}
+};
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_RTS[] = {
+  {PA_1,  USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
+  {PA_12, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+  {NC,    NP,     0}
+};
+#endif
+
+#ifdef HAL_UART_MODULE_ENABLED
+WEAK const PinMap PinMap_UART_CTS[] = {
+  {PA_0,  USART2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART2)},
+  {PA_11, USART1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF1_USART1)},
+  {NC,    NP,     0}
+};
+#endif
+
+//*** SPI ***
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_MOSI[] = {
+  {PA_7,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+  {PB_5,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+  {PB_15, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+  {NC,    NP,   0}
+};
+#endif
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_MISO[] = {
+  {PA_6,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+  {PB_4,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+  {PB_14, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+  {NC,    NP,   0}
+};
+#endif
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_SCLK[] = {
+  {PA_5,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+  {PB_3,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+  {PB_10, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+  {PB_13, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+  {NC,    NP,   0}
+};
+#endif
+
+#ifdef HAL_SPI_MODULE_ENABLED
+WEAK const PinMap PinMap_SPI_SSEL[] = {
+  {PA_4,  SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+  {PA_15, SPI1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI1)},
+  {PB_9,  SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_SPI2)},
+  {PB_12, SPI2, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF0_SPI2)},
+  {NC,    NP,   0}
+};
+#endif
+
+//*** CAN ***
+
+#ifdef HAL_CAN_MODULE_ENABLED
+WEAK const PinMap PinMap_CAN_RD[] = {
+  {PA_11, CAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF4_CAN)},
+  {PB_8,  CAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF4_CAN)},
+  {NC,    NP,   0}
+};
+#endif
+
+#ifdef HAL_CAN_MODULE_ENABLED
+WEAK const PinMap PinMap_CAN_TD[] = {
+  {PA_12, CAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF4_CAN)},
+  {PB_9,  CAN1, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_NOPULL, GPIO_AF4_CAN)},
+  {NC,    NP,   0}
+};
+#endif
+
+//*** No ETHERNET ***
+
+//*** No QUADSPI ***
+
+//*** USB ***
+
+#if defined(HAL_PCD_MODULE_ENABLED) || defined(HAL_HCD_MODULE_ENABLED)
+WEAK const PinMap PinMap_USB[] = {
+  {PA_4,  USB, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USB)}, // USB_NOE
+  {PA_11, USB, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, GPIO_AF_NONE)}, // USB_DM
+  {PA_12, USB, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, GPIO_AF_NONE)}, // USB_DP
+  {PA_13, USB, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF2_USB)}, // USB_NOE
+  {PA_15, USB, STM_PIN_DATA(STM_MODE_AF_PP, GPIO_PULLUP, GPIO_AF5_USB)}, // USB_NOE
+  {NC,    NP,  0}
+};
+#endif
+
+//*** No SD ***
diff --git a/variants/STM32F0xx/Generic_F042Cx/PinNamesVar.h b/variants/STM32F0xx/Generic_F042Cx/PinNamesVar.h
@@ -0,0 +1,49 @@
+/* Alternate pin name */
+PA_6_ALT1 = PA_6 | ALT1,
+PA_7_ALT1 = PA_7 | ALT1,
+PA_7_ALT2 = PA_7 | ALT2,
+PA_7_ALT3 = PA_7 | ALT3,
+PB_0_ALT1 = PB_0 | ALT1,
+PB_1_ALT1 = PB_1 | ALT1,
+PB_1_ALT2 = PB_1 | ALT2,
+
+/* SYS_WKUP */
+#ifdef PWR_WAKEUP_PIN1
+  SYS_WKUP1 = PA_0,
+#endif
+#ifdef PWR_WAKEUP_PIN2
+  SYS_WKUP2 = PC_13,
+#endif
+#ifdef PWR_WAKEUP_PIN3
+  SYS_WKUP3 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN4
+  SYS_WKUP4 = PA_2,
+#endif
+#ifdef PWR_WAKEUP_PIN5
+  SYS_WKUP5 = NC,
+#endif
+#ifdef PWR_WAKEUP_PIN6
+  SYS_WKUP6 = PB_5,
+#endif
+#ifdef PWR_WAKEUP_PIN7
+  SYS_WKUP7 = PB_15,
+#endif
+#ifdef PWR_WAKEUP_PIN8
+  SYS_WKUP8 = NC,
+#endif
+
+/* USB */
+#ifdef USBCON
+  USB_DM  = PA_11,
+  USB_DP  = PA_12,
+  #ifdef USB_NOE_PA_4
+    USB_NOE = PA_4,
+  #endif
+  #ifdef USB_NOE_PA_13
+    USB_NOE = PA_13,
+  #endif
+  #ifdef USB_NOE_PA_15
+    USB_NOE = PA_15,
+  #endif
+#endif