Merge pull request hathach#2155 from jferreir/xmc4700_relax

Board support for XMC4700_RELAX

Author: hathach

hw/bsp/xmc4000/boards/xmc4500_relax/board.mk

@@ -3,7 +3,7 @@ CFLAGS += \
   -DXMC4500_F100x1024 \
 
 # mcu driver cause following warnings
-CFLAGS += -Wno-error=stringop-overread
+CFLAGS += -Wno-stringop-overread
 
 LD_FILE = $(MCU_DIR)/CMSIS/Infineon/COMPONENT_$(MCU_VARIANT)/Source/TOOLCHAIN_GCC_ARM/XMC4500x1024.ld
 

hw/bsp/xmc4000/boards/xmc4700_relax/board.h

@@ -0,0 +1,81 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021, Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define LED_PIN               P5_9
+#define LED_STATE_ON          1
+
+#define BUTTON_PIN            P15_13
+#define BUTTON_STATE_ACTIVE   0
+
+#define UART_DEV              XMC_UART0_CH0
+#define UART_TX_PIN           P1_5
+#define UART_TX_PIN_AF        P1_5_AF_U0C0_DOUT0
+#define UART_RX_PIN           P1_4
+#define UART_RX_INPUT         USIC0_C0_DX0_P1_4
+
+static inline void board_clock_init(void)
+{
+  /* Clock configuration */
+  /* fPLL = 144MHz */
+  /* fSYS = 144MHz */
+  /* fUSB = 48MHz */
+  const XMC_SCU_CLOCK_CONFIG_t clock_config =
+  {
+    .syspll_config.p_div  = 2,
+    .syspll_config.n_div  = 48,
+    .syspll_config.k_div  = 1,
+    .syspll_config.mode   = XMC_SCU_CLOCK_SYSPLL_MODE_NORMAL,
+    .syspll_config.clksrc = XMC_SCU_CLOCK_SYSPLLCLKSRC_OSCHP,
+    .enable_oschp         = true,
+    .calibration_mode     = XMC_SCU_CLOCK_FOFI_CALIBRATION_MODE_FACTORY,
+    .fsys_clksrc          = XMC_SCU_CLOCK_SYSCLKSRC_PLL,
+    .fsys_clkdiv          = 2,
+    .fcpu_clkdiv          = 1,
+    .fccu_clkdiv          = 1,
+    .fperipheral_clkdiv   = 1
+  };
+
+  /* Setup settings for USB clock */
+  XMC_SCU_CLOCK_Init(&clock_config);
+
+  XMC_SCU_CLOCK_SetUsbClockDivider(6);
+  XMC_SCU_CLOCK_SetUsbClockSource(XMC_SCU_CLOCK_USBCLKSRC_SYSPLL);
+  XMC_SCU_CLOCK_EnableClock(XMC_SCU_CLOCK_USB);
+}
+
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */

hw/bsp/xmc4000/boards/xmc4700_relax/board.mk

@@ -0,0 +1,12 @@
+MCU_VARIANT = XMC4700
+CFLAGS += \
+  -DXMC4700_F144x2048 \
+
+# mcu driver cause following warnings
+CFLAGS += -Wno-stringop-overread
+
+LD_FILE = $(MCU_DIR)/CMSIS/Infineon/COMPONENT_$(MCU_VARIANT)/Source/TOOLCHAIN_GCC_ARM/XMC4700x2048.ld
+
+JLINK_DEVICE = XMC4700-2048
+
+flash: flash-jlink

hw/bsp/xmc4000/family.c

@@ -26,6 +26,7 @@
 
 #include "xmc_gpio.h"
 #include "xmc_scu.h"
+#include "xmc_uart.h"
 
 #include "bsp/board.h"
 #include "board.h"
@@ -45,17 +46,31 @@ void board_init(void)
   SystemCoreClockUpdate();
 
   // LED
-  XMC_GPIO_CONFIG_t led_cfg;
+  XMC_GPIO_CONFIG_t led_cfg = {0};
   led_cfg.mode = XMC_GPIO_MODE_OUTPUT_PUSH_PULL;
   led_cfg.output_level = XMC_GPIO_OUTPUT_LEVEL_HIGH;
   led_cfg.output_strength = XMC_GPIO_OUTPUT_STRENGTH_MEDIUM;
   XMC_GPIO_Init(LED_PIN, &led_cfg);
 
   // Button
-  XMC_GPIO_CONFIG_t button_cfg;
+  XMC_GPIO_CONFIG_t button_cfg = {0};
   button_cfg.mode = XMC_GPIO_MODE_INPUT_TRISTATE;
   XMC_GPIO_Init(BUTTON_PIN, &button_cfg);
 
+#ifdef UART_DEV
+  XMC_UART_CH_CONFIG_t uart_cfg = {0};
+  uart_cfg.baudrate = CFG_BOARD_UART_BAUDRATE;
+  uart_cfg.data_bits = 8;
+  uart_cfg.stop_bits = 1;
+  XMC_UART_CH_Init(UART_DEV, &uart_cfg);
+
+  XMC_GPIO_SetMode(UART_RX_PIN, XMC_GPIO_MODE_INPUT_PULL_UP);
+  XMC_UART_CH_SetInputSource(UART_DEV, XMC_UART_CH_INPUT_RXD, UART_RX_INPUT);
+
+  XMC_UART_CH_Start(UART_DEV);
+  XMC_GPIO_SetMode(UART_TX_PIN, (XMC_GPIO_MODE_t)(XMC_GPIO_MODE_OUTPUT_PUSH_PULL | UART_TX_PIN_AF));
+#endif
+
 #if CFG_TUSB_OS == OPT_OS_NONE
   // 1ms tick timer
   SysTick_Config(SystemCoreClock / 1000);
@@ -69,6 +84,9 @@ void board_init(void)
 #endif
 
   // USB Power Enable
+#if(UC_SERIES != XMC45)
+  XMC_SCU_CLOCK_UngatePeripheralClock(XMC_SCU_PERIPHERAL_CLOCK_USB0);
+#endif
   XMC_SCU_RESET_DeassertPeripheralReset(XMC_SCU_PERIPHERAL_RESET_USB0);
   XMC_SCU_POWER_EnableUsb();
 }
@@ -93,7 +111,7 @@ int board_uart_read(uint8_t* buf, int len)
 {
 #ifdef UART_DEV
   for(int i=0;i<len;i++) {
-    buf[i] = uart_getc(uart_inst);
+    buf[i] = XMC_UART_CH_GetReceivedData(UART_DEV);
   }
   return len;
 #else
@@ -107,7 +125,7 @@ int board_uart_write(void const * buf, int len)
 #ifdef UART_DEV
   char const* bufch = (char const*) buf;
   for(int i=0;i<len;i++) {
-    uart_putc(uart_inst, bufch[i]);
+    XMC_UART_CH_Transmit(UART_DEV, bufch[i]);
   }
   return len;
 #else

hw/bsp/xmc4000/family.mk

@@ -20,8 +20,11 @@ SRC_C += \
 	src/portable/synopsys/dwc2/dcd_dwc2.c \
 	$(MCU_DIR)/Newlib/syscalls.c \
 	$(MCU_DIR)/CMSIS/Infineon/COMPONENT_$(MCU_VARIANT)/Source/system_$(MCU_VARIANT).c \
+	$(MCU_DIR)/XMCLib/src/xmc_gpio.c \
 	$(MCU_DIR)/XMCLib/src/xmc4_gpio.c \
-	$(MCU_DIR)/XMCLib/src/xmc4_scu.c
+	$(MCU_DIR)/XMCLib/src/xmc4_scu.c \
+	$(MCU_DIR)/XMCLib/src/xmc_usic.c \
+	$(MCU_DIR)/XMCLib/src/xmc_uart.c
 
 SRC_S += $(MCU_DIR)/CMSIS/Infineon/COMPONENT_$(MCU_VARIANT)/Source/TOOLCHAIN_GCC_ARM/startup_$(MCU_VARIANT).S