235 lines
8.7 KiB
C
235 lines
8.7 KiB
C
// SPDX-License-Identifier: BSD-3-Clause
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// Copyright (c) 2022, Alex Taradov <alex@taradov.com>. All rights reserved.
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#ifndef _DAP_CONFIG_H_
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#define _DAP_CONFIG_H_
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/*- Includes ----------------------------------------------------------------*/
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#include <furi_hal_gpio.h>
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/*- Definitions -------------------------------------------------------------*/
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#define DAP_CONFIG_ENABLE_JTAG
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#define DAP_CONFIG_DEFAULT_PORT DAP_PORT_SWD
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#define DAP_CONFIG_DEFAULT_CLOCK 4200000 // Hz
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#define DAP_CONFIG_PACKET_SIZE 64
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#define DAP_CONFIG_PACKET_COUNT 1
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#define DAP_CONFIG_JTAG_DEV_COUNT 8
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// DAP_CONFIG_PRODUCT_STR must contain "CMSIS-DAP" to be compatible with the standard
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#define DAP_CONFIG_VENDOR_STR "Flipper Zero"
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#define DAP_CONFIG_PRODUCT_STR "Generic CMSIS-DAP Adapter"
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#define DAP_CONFIG_SER_NUM_STR usb_serial_number
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#define DAP_CONFIG_CMSIS_DAP_VER_STR "2.0.0"
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#define DAP_CONFIG_RESET_TARGET_FN dap_app_target_reset
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#define DAP_CONFIG_VENDOR_FN dap_app_vendor_cmd
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// Attribute to use for performance-critical functions
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#define DAP_CONFIG_PERFORMANCE_ATTR
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// A value at which dap_clock_test() produces 1 kHz output on the SWCLK pin
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// #define DAP_CONFIG_DELAY_CONSTANT 19000
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#define DAP_CONFIG_DELAY_CONSTANT 6290
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// A threshold for switching to fast clock (no added delays)
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// This is the frequency produced by dap_clock_test(1) on the SWCLK pin
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#define DAP_CONFIG_FAST_CLOCK 2400000 // Hz
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/*- Prototypes --------------------------------------------------------------*/
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extern char usb_serial_number[16];
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/*- Implementations ---------------------------------------------------------*/
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extern GpioPin flipper_dap_swclk_pin;
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extern GpioPin flipper_dap_swdio_pin;
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extern GpioPin flipper_dap_reset_pin;
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extern GpioPin flipper_dap_tdo_pin;
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extern GpioPin flipper_dap_tdi_pin;
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extern void dap_app_vendor_cmd(uint8_t cmd);
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extern void dap_app_target_reset();
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extern void dap_app_disconnect();
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extern void dap_app_connect_swd();
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extern void dap_app_connect_jtag();
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_SWCLK_TCK_write(int value) {
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furi_hal_gpio_write(&flipper_dap_swclk_pin, value);
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_SWDIO_TMS_write(int value) {
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furi_hal_gpio_write(&flipper_dap_swdio_pin, value);
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_TDI_write(int value) {
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#ifdef DAP_CONFIG_ENABLE_JTAG
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furi_hal_gpio_write(&flipper_dap_tdi_pin, value);
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#else
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(void)value;
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#endif
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_TDO_write(int value) {
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#ifdef DAP_CONFIG_ENABLE_JTAG
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furi_hal_gpio_write(&flipper_dap_tdo_pin, value);
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#else
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(void)value;
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#endif
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_nTRST_write(int value) {
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(void)value;
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_nRESET_write(int value) {
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furi_hal_gpio_write(&flipper_dap_reset_pin, value);
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}
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//-----------------------------------------------------------------------------
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static inline int DAP_CONFIG_SWCLK_TCK_read(void) {
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return furi_hal_gpio_read(&flipper_dap_swclk_pin);
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}
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//-----------------------------------------------------------------------------
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static inline int DAP_CONFIG_SWDIO_TMS_read(void) {
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return furi_hal_gpio_read(&flipper_dap_swdio_pin);
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}
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//-----------------------------------------------------------------------------
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static inline int DAP_CONFIG_TDO_read(void) {
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#ifdef DAP_CONFIG_ENABLE_JTAG
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return furi_hal_gpio_read(&flipper_dap_tdo_pin);
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#else
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return 0;
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#endif
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}
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//-----------------------------------------------------------------------------
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static inline int DAP_CONFIG_TDI_read(void) {
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#ifdef DAP_CONFIG_ENABLE_JTAG
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return furi_hal_gpio_read(&flipper_dap_tdi_pin);
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#else
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return 0;
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#endif
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}
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//-----------------------------------------------------------------------------
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static inline int DAP_CONFIG_nTRST_read(void) {
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return 0;
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}
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//-----------------------------------------------------------------------------
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static inline int DAP_CONFIG_nRESET_read(void) {
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return furi_hal_gpio_read(&flipper_dap_reset_pin);
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_SWCLK_TCK_set(void) {
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LL_GPIO_SetOutputPin(flipper_dap_swclk_pin.port, flipper_dap_swclk_pin.pin);
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_SWCLK_TCK_clr(void) {
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LL_GPIO_ResetOutputPin(flipper_dap_swclk_pin.port, flipper_dap_swclk_pin.pin);
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_SWDIO_TMS_in(void) {
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LL_GPIO_SetPinMode(flipper_dap_swdio_pin.port, flipper_dap_swdio_pin.pin, LL_GPIO_MODE_INPUT);
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_SWDIO_TMS_out(void) {
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LL_GPIO_SetPinMode(flipper_dap_swdio_pin.port, flipper_dap_swdio_pin.pin, LL_GPIO_MODE_OUTPUT);
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_SETUP(void) {
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furi_hal_gpio_init(&flipper_dap_swdio_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_init(&flipper_dap_swclk_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_init(&flipper_dap_reset_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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#ifdef DAP_CONFIG_ENABLE_JTAG
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furi_hal_gpio_init(&flipper_dap_tdo_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_init(&flipper_dap_tdi_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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#endif
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_DISCONNECT(void) {
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furi_hal_gpio_init(&flipper_dap_swdio_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_init(&flipper_dap_swclk_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_init(&flipper_dap_reset_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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#ifdef DAP_CONFIG_ENABLE_JTAG
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furi_hal_gpio_init(&flipper_dap_tdo_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_init(&flipper_dap_tdi_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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#endif
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dap_app_disconnect();
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_CONNECT_SWD(void) {
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furi_hal_gpio_init(
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&flipper_dap_swdio_pin, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_write(&flipper_dap_swdio_pin, true);
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furi_hal_gpio_init(
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&flipper_dap_swclk_pin, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_write(&flipper_dap_swclk_pin, true);
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furi_hal_gpio_init(
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&flipper_dap_reset_pin, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_write(&flipper_dap_reset_pin, true);
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#ifdef DAP_CONFIG_ENABLE_JTAG
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furi_hal_gpio_init(&flipper_dap_tdo_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_init(&flipper_dap_tdi_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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#endif
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dap_app_connect_swd();
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_CONNECT_JTAG(void) {
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furi_hal_gpio_init(
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&flipper_dap_swdio_pin, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_write(&flipper_dap_swdio_pin, true);
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furi_hal_gpio_init(
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&flipper_dap_swclk_pin, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_write(&flipper_dap_swclk_pin, true);
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furi_hal_gpio_init(
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&flipper_dap_reset_pin, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_write(&flipper_dap_reset_pin, true);
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#ifdef DAP_CONFIG_ENABLE_JTAG
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furi_hal_gpio_init(&flipper_dap_tdo_pin, GpioModeInput, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_init(
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&flipper_dap_tdi_pin, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
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furi_hal_gpio_write(&flipper_dap_tdi_pin, true);
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#endif
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dap_app_connect_jtag();
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}
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//-----------------------------------------------------------------------------
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static inline void DAP_CONFIG_LED(int index, int state) {
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(void)index;
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(void)state;
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}
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//-----------------------------------------------------------------------------
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__attribute__((always_inline)) static inline void DAP_CONFIG_DELAY(uint32_t cycles) {
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asm volatile("1: subs %[cycles], %[cycles], #1 \n"
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" bne 1b \n"
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: [cycles] "+l"(cycles));
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}
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#endif // _DAP_CONFIG_H_
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