compatibility for F072

platform/debug_uart.c

@@ -36,7 +36,15 @@ void DebugUart_PreInit(void)
 //    LL_USART_SetStopBitsLength(USART2, LL_USART_STOPBITS_1);
 //    LL_USART_SetHWFlowCtrl(USART2, LL_USART_HWCONTROL_NONE);
     LL_USART_EnableDirectionTx(USART2);
+
+#if GEX_PLAT_F072_DISCOVERY
+    LL_USART_SetBaudRate(USART2, SystemCoreClock, LL_USART_OVERSAMPLING_16, 115200); // This is not great, let's hope it's like this on all platforms...
+#elif GEX_PLAT_F103_BLUEPILL
     LL_USART_SetBaudRate(USART2, SystemCoreClock/2, 115200); // This is not great, let's hope it's like this on all platforms...
+#else
+    #error "BAD PLATFORM!"
+#endif
+
     LL_USART_Enable(USART2);
 }
 

platform/plat_compat.h

@@ -5,10 +5,14 @@
 #ifndef GEX_PLAT_COMPAT_H
 #define GEX_PLAT_COMPAT_H
 
-#ifdef GEX_PLAT_F103_BLUEPILL
+#if defined(GEX_PLAT_F103_BLUEPILL)
+
+    // platform name for the version string
+    #define GEX_PLATFORM "STM32F103-Bluepill"
+
+    // This platform has the Banks field on the Flash config struct for settings save
+    #define PLAT_FLASHBANKS 1
 
-// platform name for the version string
-#define GEX_PLATFORM "STM32F103-Bluepill"
     #include <stm32f1xx.h>
     #include <stm32f1xx_hal.h>
     #include <stm32f1xx_ll_adc.h>
@@ -49,6 +53,50 @@
     // Status LED config
     #define STATUS_LED_PORT 'C'
     #define STATUS_LED_PIN  13
+
+#elif defined(GEX_PLAT_F072_DISCOVERY)
+
+    // platform name for the version string
+    #define GEX_PLATFORM "STM32F072-Discovery"
+
+    #include <stm32f0xx.h>
+    #include <stm32f0xx_ll_adc.h>
+    #include <stm32f0xx_ll_bus.h>
+    #include <stm32f0xx_ll_comp.h>
+    #include <stm32f0xx_ll_cortex.h>
+    #include <stm32f0xx_ll_crc.h>
+    #include <stm32f0xx_ll_crs.h>
+    #include <stm32f0xx_ll_dac.h>
+    #include <stm32f0xx_ll_dma.h>
+    #include <stm32f0xx_ll_exti.h>
+    #include <stm32f0xx_ll_gpio.h>
+    #include <stm32f0xx_ll_i2c.h>
+    #include <stm32f0xx_ll_iwdg.h>
+    #include <stm32f0xx_ll_pwr.h>
+    #include <stm32f0xx_ll_rcc.h>
+    #include <stm32f0xx_ll_rtc.h>
+    #include <stm32f0xx_ll_spi.h>
+    #include <stm32f0xx_ll_system.h>
+    #include <stm32f0xx_ll_tim.h>
+    #include <stm32f0xx_ll_usart.h>
+    #include <stm32f0xx_ll_utils.h>
+    #include <stm32f0xx_ll_wwdg.h>
+
+    // size, determines position of the flash storage
+    #define FLASH_SIZE (128*1024)
+    #define SETTINGS_BLOCK_SIZE (1024*2) // this must be a multiple of FLASH pages
+    #define SETTINGS_FLASH_ADDR (0x08000000 + FLASH_SIZE - SETTINGS_BLOCK_SIZE)
+
+    // Number of GPIO ports A,B,C...
+    #define PORTS_COUNT 6
+
+    // Lock jumper config
+    #define LOCK_JUMPER_PORT 'F'
+    #define LOCK_JUMPER_PIN  1 // OSC OUT, not used in BYPASS mode (receiving clock from the ST-Link MCO)
+
+    // Status LED config
+    #define STATUS_LED_PORT 'C'
+    #define STATUS_LED_PIN  6 // RED LED "UP"
 #else
     #error "BAD PLATFORM! Please select GEX platform using a -DGEX_PLAT_* compile flag"
 #endif

platform/platform.c

@@ -34,7 +34,7 @@ void plat_init_resources(void)
     __HAL_RCC_GPIOD_CLK_ENABLE();
     __HAL_RCC_GPIOE_CLK_ENABLE();
 
-#ifdef GEX_PLAT_F103_BLUEPILL
+#if defined(GEX_PLAT_F103_BLUEPILL)
 
     // Platform F103C8T6 - free all present resources
     {
@@ -77,6 +77,61 @@ void plat_init_resources(void)
 
         assert_param(ok);
     }
+#elif defined(GEX_PLAT_F072_DISCOVERY)
+    __HAL_RCC_GPIOF_CLK_ENABLE();
+
+    // Platform F073RBT - free all present resources
+    {
+        rsc_free(NULL, R_ADC1);
+        rsc_free(NULL, R_CAN);
+        rsc_free(NULL, R_COMP1);
+        rsc_free(NULL, R_COMP2);
+        rsc_free(NULL, R_DAC1);
+        rsc_free(NULL, R_HDMI_CEC);
+        rsc_free(NULL, R_I2C1);
+        rsc_free(NULL, R_I2C2);
+        rsc_free(NULL, R_I2S1);
+        rsc_free(NULL, R_I2S2);
+        rsc_free(NULL, R_SPI1);
+        rsc_free(NULL, R_SPI2);
+        rsc_free(NULL, R_TIM1);
+        rsc_free(NULL, R_TIM2);
+        rsc_free(NULL, R_TIM3);
+        rsc_free(NULL, R_TIM6);
+        rsc_free(NULL, R_TIM7);
+        rsc_free_range(NULL, R_TIM14, R_TIM17);
+        rsc_free(NULL, R_USART1);
+        rsc_free(NULL, R_USART2);
+        rsc_free(NULL, R_USART3);
+        rsc_free(NULL, R_USART4);
+        rsc_free_range(NULL, R_PA0, R_PA15);
+        rsc_free_range(NULL, R_PB0, R_PB15);
+        rsc_free_range(NULL, R_PC0, R_PC15);
+        rsc_free_range(NULL, R_PF0, R_PF1);
+    }
+
+    // Claim resources not available due to board layout or internal usage
+    {
+        bool ok = true;
+
+        // HAL timebase
+        ok &= rsc_claim(&UNIT_SYSTEM, R_TIM1);
+        // HSE crystal
+        ok &= rsc_claim(&UNIT_SYSTEM, R_PF0);
+        //ok &= rsc_claim(&UNIT_SYSTEM, R_PD1); // - not used in BYPASS mode
+        // SWD
+        ok &= rsc_claim(&UNIT_SYSTEM, R_PA13);
+        ok &= rsc_claim(&UNIT_SYSTEM, R_PA14);
+        // USB
+        ok &= rsc_claim(&UNIT_SYSTEM, R_PA11);
+        ok &= rsc_claim(&UNIT_SYSTEM, R_PA12);
+        // BOOT pin(s)
+        ok &= rsc_claim(&UNIT_SYSTEM, R_PB2); // BOOT1
+
+        assert_param(ok);
+    }
+#else
+    #error "BAD PLATFORM!"
 #endif
 }