flipperzero-firmware/applications/plugins/dap_link/dap_config.h

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