boards: add CandleLightFD

CMakeLists.txt

@@ -284,6 +284,7 @@ set(TGTF407_LIST
 set(TGTG0B1_LIST
 	"CONVERTDEVICE_xCANFD"
 	"budgetcan"
+	"candleLightFD"
 	"nucleo_g0b1re"
 )
 

include/config.h

@@ -334,6 +334,18 @@ THE SOFTWARE.
 	#define NUM_CAN_CHANNEL			 2
 	#define CONFIG_CANFD			 1
 
+#elif defined(BOARD_candleLightFD)
+	#define USBD_PRODUCT_STRING_FS	 "candleLightFD gs_usb"
+	#define USBD_MANUFACTURER_STRING "candleLightFD"
+	#define DFU_INTERFACE_STRING_FS	 "candleLightFD firmware upgrade interface"
+
+	#define HSE_OSC_SPEED			 8000000
+	#define TIM2_CLOCK_SPEED		 64000000
+
+	#define CAN_CLOCK_SPEED			 40000000
+	#define NUM_CAN_CHANNEL			 2
+	#define CONFIG_CANFD			 1
+
 #elif defined(BOARD_nucleo_g0b1re)
 	#define USBD_PRODUCT_STRING_FS	 "NUCLEO-G0B1RE gs_usb"
 	#define USBD_MANUFACTURER_STRING "STMicroelectronics"

src/boards/g0b1-candleLightFD.c

@@ -0,0 +1,181 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023 Pengutronix,
+ *               Marc Kleine-Budde <[email protected]>
+ *
+ * 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.
+ *
+ */
+
+#include "board.h"
+#include "config.h"
+#include "device.h"
+#include "gpio.h"
+#include "usbd_gs_can.h"
+
+/*
+ * LED_RX   PA3
+ * LEX_TX   PA4
+ * UART_TX  PA9
+ * UART_RX  PA10
+ * USB_P    PA12
+ * USB_N    PA11
+ * CAN1_RX  PD0
+ * CAN1_TX  PD1
+ * CAN1_S   PA15
+ * CAN2_RX  PB0
+ * CAN2_TX  PB1
+ * CAN2_S   PB2
+ */
+
+#define LEDRX_GPIO_Port	  GPIOA
+#define LEDRX_Pin		  GPIO_PIN_3
+#define LEDRX_Mode		  GPIO_MODE_OUTPUT_PP
+#define LEDRX_Active_High 1
+
+#define LEDTX_GPIO_Port	  GPIOA
+#define LEDTX_Pin		  GPIO_PIN_4
+#define LEDTX_Mode		  GPIO_MODE_OUTPUT_PP
+#define LEDTX_Active_High 1
+
+static void candlelightfd_setup(USBD_GS_CAN_HandleTypeDef *hcan)
+{
+	GPIO_InitTypeDef GPIO_InitStruct;
+
+	UNUSED(hcan);
+
+	__HAL_RCC_GPIOA_CLK_ENABLE();
+#if NUM_CAN_CHANNEL == 2
+	__HAL_RCC_GPIOB_CLK_ENABLE();
+#endif
+	__HAL_RCC_GPIOD_CLK_ENABLE();
+
+	/* LEDs */
+	HAL_GPIO_WritePin(LEDRX_GPIO_Port, LEDRX_Pin, GPIO_INIT_STATE(LEDRX_Active_High));
+	GPIO_InitStruct.Pin = LEDRX_Pin;
+	GPIO_InitStruct.Mode = LEDRX_Mode;
+	GPIO_InitStruct.Pull = GPIO_NOPULL;
+	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+	HAL_GPIO_Init(LEDRX_GPIO_Port, &GPIO_InitStruct);
+
+	HAL_GPIO_WritePin(LEDTX_GPIO_Port, LEDTX_Pin, GPIO_INIT_STATE(LEDTX_Active_High));
+	GPIO_InitStruct.Pin = LEDTX_Pin;
+	GPIO_InitStruct.Mode = LEDTX_Mode;
+	GPIO_InitStruct.Pull = GPIO_NOPULL;
+	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+	HAL_GPIO_Init(LEDTX_GPIO_Port, &GPIO_InitStruct);
+
+	/* Setup transceiver silent pin */
+	HAL_GPIO_WritePin(GPIOA, GPIO_PIN_15, GPIO_PIN_RESET);
+	GPIO_InitStruct.Pin = GPIO_PIN_15;
+	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+	GPIO_InitStruct.Pull = GPIO_NOPULL;
+	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+	HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+#if NUM_CAN_CHANNEL == 2
+	HAL_GPIO_WritePin(GPIOB, GPIO_PIN_2, GPIO_PIN_RESET);
+	GPIO_InitStruct.Pin = GPIO_PIN_2;
+	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+	GPIO_InitStruct.Pull = GPIO_NOPULL;
+	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+	HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+#endif
+
+	/* FDCAN */
+
+	RCC_PeriphCLKInitTypeDef PeriphClkInit = {
+		.PeriphClockSelection = RCC_PERIPHCLK_FDCAN,
+		.FdcanClockSelection = RCC_FDCANCLKSOURCE_PLL,
+	};
+
+	HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
+	__HAL_RCC_FDCAN_CLK_ENABLE();
+
+	/* FDCAN1_RX, FDCAN1_TX */
+	GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
+	GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+	GPIO_InitStruct.Pull = GPIO_NOPULL;
+	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+	GPIO_InitStruct.Alternate = GPIO_AF3_FDCAN1;
+	HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
+
+#if NUM_CAN_CHANNEL == 2
+	/* FDCAN2_RX, FDCAN2_TX */
+	GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
+	GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+	GPIO_InitStruct.Pull = GPIO_NOPULL;
+	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+	GPIO_InitStruct.Alternate = GPIO_AF3_FDCAN2;
+	HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+#endif
+}
+
+static void candlelightfd_phy_power_set(can_data_t *channel, bool enable)
+{
+	UNUSED(channel);
+	UNUSED(enable);
+}
+
+static void candlelightfd_termination_set(can_data_t *channel, enum gs_can_termination_state enable)
+{
+	UNUSED(channel);
+	UNUSED(enable);
+}
+
+const struct BoardConfig config = {
+	.setup = candlelightfd_setup,
+	.phy_power_set = candlelightfd_phy_power_set,
+	.termination_set = candlelightfd_termination_set,
+	.channels[0] = {
+		.interface = FDCAN1,
+		.leds = {
+			[LED_RX] = {
+				.port = LEDRX_GPIO_Port,
+				.pin = LEDRX_Pin,
+				.active_high = LEDRX_Active_High,
+			},
+			[LED_TX] = {
+				.port = LEDTX_GPIO_Port,
+				.pin = LEDTX_Pin,
+				.active_high = LEDTX_Active_High,
+			},
+		},
+	},
+#if NUM_CAN_CHANNEL == 2
+	.channels[1] = {
+		.interface = FDCAN2,
+		.leds = {
+			[LED_RX] = {
+				.port = LEDRX_GPIO_Port,
+				.pin = LEDRX_Pin,
+				.active_high = LEDRX_Active_High,
+			},
+			[LED_TX] = {
+				.port = LEDTX_GPIO_Port,
+				.pin = LEDTX_Pin,
+				.active_high = LEDTX_Active_High,
+			},
+		},
+	},
+#endif
+};