generalize lpc54 family

hw/bsp/lpc54/boards/lpcxpresso54114/board.h

@@ -0,0 +1,59 @@
+/*
+ * 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
+
+// LED
+#define LED_PORT              0
+#define LED_PIN               29
+#define LED_STATE_ON          0
+
+// WAKE button
+#define BUTTON_PORT           0
+#define BUTTON_PIN            24
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_DEV              USART0
+#define UART_RX_PINMUX        0, 0, IOCON_PIO_DIG_FUNC1_EN
+#define UART_TX_PINMUX        0, 1, IOCON_PIO_DIG_FUNC1_EN
+
+// USB0 VBUS
+#define USB0_VBUS_PINMUX      1, 6, IOCON_PIO_DIG_FUNC7_EN
+
+// XTAL
+//#define XTAL0_CLK_HZ          (16 * 1000 * 1000U)
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif

hw/bsp/lpc54/boards/lpcxpresso54114/board.mk

@@ -1,5 +1,5 @@
-MCU_VARIANT = LPC55S69
+MCU_VARIANT = LPC54114
-MCU_CORE = LPC55S69_cm33_core0
+MCU_CORE = LPC54114_cm4
 
 CFLAGS += -DCPU_LPC54114J256BD64_cm4
 LD_FILE = $(MCU_DIR)/gcc/LPC54114J256_cm4_flash.ld

hw/bsp/lpc54/family.c

@@ -24,22 +24,18 @@
  * This file is part of the TinyUSB stack.
  */
 
-#include "../board.h"
 #include "fsl_device_registers.h"
 #include "fsl_gpio.h"
 #include "fsl_power.h"
 #include "fsl_iocon.h"
+#include "fsl_usart.h"
+
+#include "bsp/board.h"
+#include "board.h"
 
 //--------------------------------------------------------------------+
 // MACRO TYPEDEF CONSTANT ENUM
 //--------------------------------------------------------------------+
-#define LED_PORT      0
-#define LED_PIN       29
-#define LED_STATE_ON  0
-
-// WAKE button
-#define BUTTON_PORT   0
-#define BUTTON_PIN    24
 
 // IOCON pin mux
 #define IOCON_PIO_DIGITAL_EN     0x80u   // Enables digital function
@@ -53,6 +49,12 @@
 #define IOCON_PIO_OPENDRAIN_DI   0x00u   // Open drain is disabled
 #define IOCON_PIO_SLEW_STANDARD  0x00u   // Standard mode, output slew rate control is enabled
 
+// Digital pin function n enabled
+#define IOCON_PIO_DIG_FUNC0_EN   (IOCON_PIO_DIGITAL_EN | IOCON_PIO_INPFILT_OFF | IOCON_PIO_FUNC0)
+#define IOCON_PIO_DIG_FUNC1_EN   (IOCON_PIO_DIGITAL_EN | IOCON_PIO_INPFILT_OFF | IOCON_PIO_FUNC1)
+#define IOCON_PIO_DIG_FUNC4_EN   (IOCON_PIO_DIGITAL_EN | IOCON_PIO_INPFILT_OFF | IOCON_PIO_FUNC4)
+#define IOCON_PIO_DIG_FUNC7_EN   (IOCON_PIO_DIGITAL_EN | IOCON_PIO_INPFILT_OFF | IOCON_PIO_FUNC7)
+
 //--------------------------------------------------------------------+
 // Forward USB interrupt events to TinyUSB IRQ Handler
 //--------------------------------------------------------------------+
@@ -112,8 +114,9 @@ void board_init(void)
   NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
 #endif
 
-  GPIO_PortInit(GPIO, LED_PORT);
+  // Init all GPIO ports
-  GPIO_PortInit(GPIO, BUTTON_PORT);
+  GPIO_PortInit(GPIO, 0);
+  GPIO_PortInit(GPIO, 1);
 
   // LED
   gpio_pin_config_t const led_config = { kGPIO_DigitalOutput, 0};
@@ -124,16 +127,23 @@ void board_init(void)
   gpio_pin_config_t const button_config = { kGPIO_DigitalInput, 0};
   GPIO_PinInit(GPIO, BUTTON_PORT, BUTTON_PIN, &button_config);
 
+#ifdef UART_DEV
+  // UART
+  IOCON_PinMuxSet(IOCON, UART_RX_PINMUX);
+  IOCON_PinMuxSet(IOCON, UART_TX_PINMUX);
+
+  // Enable UART when debug log is on
+  CLOCK_AttachClk(kFRO12M_to_FLEXCOMM0);
+  usart_config_t uart_config;
+  USART_GetDefaultConfig(&uart_config);
+  uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE;
+  uart_config.enableTx     = true;
+  uart_config.enableRx     = true;
+  USART_Init(UART_DEV, &uart_config, 12000000);
+#endif
+
   // USB
-  const uint32_t port1_pin6_config = (
+  IOCON_PinMuxSet(IOCON, USB0_VBUS_PINMUX);
-    IOCON_PIO_FUNC7       | /* Pin is configured as USB0_VBUS */
-    IOCON_PIO_MODE_INACT  | /* No addition pin function */
-    IOCON_PIO_INV_DI      | /* Input function is not inverted */
-    IOCON_PIO_DIGITAL_EN  | /* Enables digital function */
-    IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
-    IOCON_PIO_OPENDRAIN_DI  /* Open drain is disabled */
-  );
-  IOCON_PinMuxSet(IOCON, 1, 6, port1_pin6_config); /* PORT1 PIN6 (coords: 26) is configured as USB0_VBUS */
 
   POWER_DisablePD(kPDRUNCFG_PD_USB0_PHY); /*Turn on USB Phy */
   CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcFro, CLOCK_GetFreq(kCLOCK_FroHf)); /* enable USB IP clock */
@@ -151,7 +161,7 @@ void board_led_write(bool state)
 uint32_t board_button_read(void)
 {
   // active low
-  return 1-GPIO_PinRead(GPIO, BUTTON_PORT, BUTTON_PIN);
+  return BUTTON_STATE_ACTIVE == GPIO_PinRead(GPIO, BUTTON_PORT, BUTTON_PIN);
 }
 
 int board_uart_read(uint8_t* buf, int len)
@@ -162,7 +172,7 @@ int board_uart_read(uint8_t* buf, int len)
 
 int board_uart_write(void const * buf, int len)
 {
-  (void) buf; (void) len;
+  USART_WriteBlocking(UART_DEV, (uint8_t *)buf, len);
   return 0;
 }
 

hw/bsp/lpc54/family.mk

@@ -17,11 +17,11 @@ CFLAGS += \
 # mcu driver cause following warnings
 CFLAGS += -Wno-error=unused-parameter
 
-MCU_DIR = $(SDK_DIR)/devices/LPC54114
+MCU_DIR = $(SDK_DIR)/devices/$(MCU_VARIANT)
 
 SRC_C += \
 	src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c \
-	$(MCU_DIR)/system_LPC54114_cm4.c \
+	$(MCU_DIR)/system_$(MCU_CORE).c \
 	$(MCU_DIR)/drivers/fsl_clock.c \
 	$(MCU_DIR)/drivers/fsl_power.c \
 	$(MCU_DIR)/drivers/fsl_reset.c \
@@ -39,7 +39,7 @@ INC += \
 	$(TOP)/$(SDK_DIR)/drivers/lpc_iocon \
 	$(TOP)/$(SDK_DIR)/drivers/lpc_gpio
 
-SRC_S += $(MCU_DIR)/gcc/startup_LPC54114_cm4.S
+SRC_S += $(MCU_DIR)/gcc/startup_$(MCU_CORE).S
 
 LIBS += $(TOP)/$(MCU_DIR)/gcc/libpower_cm4_hardabi.a