/* * This file is part of the Black Magic Debug project. * * Copyright (C) 2011 Black Sphere Technologies Ltd. * Written by Gareth McMullin * Copyright (C) 2018 Uwe Bonnes (bon@elektron.ikp.physik.tu-darmstadt.de) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ /* This file implements the platform specific functions for the STM32 * implementation. */ #ifndef __PLATFORM_H #define __PLATFORM_H #include "gpio.h" #include "timing.h" #include "timing_stm32.h" #include "version.h" #ifdef ENABLE_DEBUG # define PLATFORM_HAS_DEBUG # define USBUART_DEBUG extern bool debug_bmp; int usbuart_debug_write(const char *buf, size_t len); #endif #define BOARD_IDENT "Black Magic Probe (SWLINK), (Firmware " FIRMWARE_VERSION ")" #define BOARD_IDENT_DFU "Black Magic (Upgrade), SWLINK, (Firmware " FIRMWARE_VERSION ")" #define DFU_IDENT "Black Magic Firmware Upgrade (SWLINK)" /* Hardware definitions... */ #define TMS_PORT GPIOA #define TCK_PORT GPIOA #define TDI_PORT GPIOA #define TDO_PORT GPIOB #define JRST_PORT GPIOB #define TMS_PIN GPIO13 #define TCK_PIN GPIO14 #define TDI_PIN GPIO15 #define TDO_PIN GPIO3 #define JRST_PIN GPIO4 #define SWDIO_PORT TMS_PORT #define SWCLK_PORT TCK_PORT #define SWDIO_PIN TMS_PIN #define SWCLK_PIN TCK_PIN /* Use PC14 for a "dummy" uart led. So we can observere at least with scope*/ #define LED_PORT_UART GPIOC #define LED_UART GPIO14 #define PLATFORM_HAS_TRACESWO 1 #define NUM_TRACE_PACKETS (128) /* This is an 8K buffer */ #define TRACESWO_PROTOCOL 2 /* 1 = Manchester, 2 = NRZ / async */ # define SWD_CR GPIO_CRH(SWDIO_PORT) # define SWD_CR_MULT (1 << ((13 - 8) << 2)) #define TMS_SET_MODE() \ gpio_set_mode(TMS_PORT, GPIO_MODE_OUTPUT_2_MHZ, \ GPIO_CNF_OUTPUT_PUSHPULL, TMS_PIN); #define SWDIO_MODE_FLOAT() do { \ uint32_t cr = SWD_CR; \ cr &= ~(0xf * SWD_CR_MULT); \ cr |= (0x4 * SWD_CR_MULT); \ SWD_CR = cr; \ } while(0) #define SWDIO_MODE_DRIVE() do { \ uint32_t cr = SWD_CR; \ cr &= ~(0xf * SWD_CR_MULT); \ cr |= (0x1 * SWD_CR_MULT); \ SWD_CR = cr; \ } while(0) #define UART_PIN_SETUP() do { \ AFIO_MAPR |= AFIO_MAPR_USART1_REMAP; \ gpio_set_mode(USBUSART_PORT, GPIO_MODE_OUTPUT_2_MHZ, \ GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, USBUSART_TX_PIN); \ } while (0) #define USB_DRIVER st_usbfs_v1_usb_driver #define USB_IRQ NVIC_USB_LP_CAN_RX0_IRQ #define USB_ISR usb_lp_can_rx0_isr /* Interrupt priorities. Low numbers are high priority. * For now USART1 preempts USB which may spin while buffer is drained. * TIM2 is used for traceswo capture and must be highest priority. */ #define IRQ_PRI_USB (2 << 4) #define IRQ_PRI_USBUSART (1 << 4) #define IRQ_PRI_USBUSART_TIM (3 << 4) #define IRQ_PRI_USB_VBUS (14 << 4) #define IRQ_PRI_SWO_DMA (0 << 4) #define USBUSART USART1 #define USBUSART_CR1 USART1_CR1 #define USBUSART_IRQ NVIC_USART1_IRQ #define USBUSART_CLK RCC_USART1 #define USBUSART_PORT GPIOB #define USBUSART_TX_PIN GPIO6 #define USBUSART_ISR usart1_isr #define USBUSART_TIM TIM4 #define USBUSART_TIM_CLK_EN() rcc_periph_clock_enable(RCC_TIM4) #define USBUSART_TIM_IRQ NVIC_TIM4_IRQ #define USBUSART_TIM_ISR tim4_isr #define TRACE_TIM TIM2 #define TRACE_TIM_CLK_EN() rcc_periph_clock_enable(RCC_TIM2) #define TRACE_IRQ NVIC_TIM2_IRQ #define TRACE_ISR tim2_isr #define TRACE_IC_IN TIM_IC_IN_TI2 #define TRACE_TRIG_IN TIM_SMCR_TS_IT1FP2 /* On F103, only USART1 is on AHB2 and can reach 4.5 MBaud at 72 MHz. * USART1 is already used. sp maximum speed is 2.25 MBaud. */ #define SWO_UART USART2 #define SWO_UART_DR USART2_DR #define SWO_UART_CLK RCC_USART2 #define SWO_UART_PORT GPIOA #define SWO_UART_RX_PIN GPIO3 /* This DMA channel is set by the USART in use */ #define SWO_DMA_BUS DMA1 #define SWO_DMA_CLK RCC_DMA1 #define SWO_DMA_CHAN DMA_CHANNEL6 #define SWO_DMA_IRQ NVIC_DMA1_CHANNEL6_IRQ #define SWO_DMA_ISR(x) dma1_channel6_isr(x) #define LED_PORT GPIOC #define LED_IDLE_RUN GPIO15 #define SET_RUN_STATE(state) #define SET_ERROR_STATE(state) extern void set_idle_state(int state); #define SET_IDLE_STATE(state) set_idle_state(state) extern uint8_t detect_rev(void); /* * Use newlib provided integer only stdio functions */ /* sscanf */ #ifdef sscanf #undef sscanf #define sscanf siscanf #else #define sscanf siscanf #endif /* sprintf */ #ifdef sprintf #undef sprintf #define sprintf siprintf #else #define sprintf siprintf #endif /* vasprintf */ #ifdef vasprintf #undef vasprintf #define vasprintf vasiprintf #else #define vasprintf vasiprintf #endif /* snprintf */ #ifdef snprintf #undef snprintf #define snprintf sniprintf #else #define snprintf sniprintf #endif #endif