--- /dev/null
+/******************************************************************************\r
+ * @file DAP.h\r
+ * @brief CMSIS-DAP Definitions\r
+ * @version V1.00\r
+ * @date 31. May 2012\r
+ *\r
+ * @note\r
+ * Copyright (C) 2012 ARM Limited. All rights reserved.\r
+ *\r
+ * @par\r
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M\r
+ * processor based microcontrollers.\r
+ *\r
+ * @par\r
+ * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED\r
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF\r
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.\r
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR\r
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.\r
+ *\r
+ ******************************************************************************/\r
+\r
+#ifndef __DAP_H__\r
+#define __DAP_H__\r
+\r
+\r
+// DAP Command IDs\r
+#define ID_DAP_Info 0x00\r
+#define ID_DAP_LED 0x01\r
+#define ID_DAP_Connect 0x02\r
+#define ID_DAP_Disconnect 0x03\r
+#define ID_DAP_TransferConfigure 0x04\r
+#define ID_DAP_Transfer 0x05\r
+#define ID_DAP_TransferBlock 0x06\r
+#define ID_DAP_TransferAbort 0x07\r
+#define ID_DAP_WriteABORT 0x08\r
+#define ID_DAP_Delay 0x09\r
+#define ID_DAP_ResetTarget 0x0A\r
+#define ID_DAP_SWJ_Pins 0x10\r
+#define ID_DAP_SWJ_Clock 0x11\r
+#define ID_DAP_SWJ_Sequence 0x12\r
+#define ID_DAP_SWD_Configure 0x13\r
+#define ID_DAP_JTAG_Sequence 0x14\r
+#define ID_DAP_JTAG_Configure 0x15\r
+#define ID_DAP_JTAG_IDCODE 0x16\r
+\r
+// DAP Vendor Command IDs\r
+#define ID_DAP_Vendor0 0x80\r
+#define ID_DAP_Vendor1 0x81\r
+#define ID_DAP_Vendor2 0x82\r
+#define ID_DAP_Vendor3 0x83\r
+#define ID_DAP_Vendor4 0x84\r
+#define ID_DAP_Vendor5 0x85\r
+#define ID_DAP_Vendor6 0x86\r
+#define ID_DAP_Vendor7 0x87\r
+#define ID_DAP_Vendor8 0x88\r
+#define ID_DAP_Vendor9 0x89\r
+#define ID_DAP_Vendor10 0x8A\r
+#define ID_DAP_Vendor11 0x8B\r
+#define ID_DAP_Vendor12 0x8C\r
+#define ID_DAP_Vendor13 0x8D\r
+#define ID_DAP_Vendor14 0x8E\r
+#define ID_DAP_Vendor15 0x8F\r
+#define ID_DAP_Vendor16 0x90\r
+#define ID_DAP_Vendor17 0x91\r
+#define ID_DAP_Vendor18 0x92\r
+#define ID_DAP_Vendor19 0x93\r
+#define ID_DAP_Vendor20 0x94\r
+#define ID_DAP_Vendor21 0x95\r
+#define ID_DAP_Vendor22 0x96\r
+#define ID_DAP_Vendor23 0x97\r
+#define ID_DAP_Vendor24 0x98\r
+#define ID_DAP_Vendor25 0x99\r
+#define ID_DAP_Vendor26 0x9A\r
+#define ID_DAP_Vendor27 0x9B\r
+#define ID_DAP_Vendor28 0x9C\r
+#define ID_DAP_Vendor29 0x9D\r
+#define ID_DAP_Vendor30 0x9E\r
+#define ID_DAP_Vendor31 0x9F\r
+\r
+#define ID_DAP_Invalid 0xFF\r
+\r
+// DAP Status Code\r
+#define DAP_OK 0\r
+#define DAP_ERROR 0xFF\r
+\r
+// DAP ID\r
+#define DAP_ID_VENDOR 1\r
+#define DAP_ID_PRODUCT 2\r
+#define DAP_ID_SER_NUM 3\r
+#define DAP_ID_FW_VER 4\r
+#define DAP_ID_DEVICE_VENDOR 5\r
+#define DAP_ID_DEVICE_NAME 6\r
+#define DAP_ID_CAPABILITIES 0xF0\r
+#define DAP_ID_PACKET_COUNT 0xFE\r
+#define DAP_ID_PACKET_SIZE 0xFF\r
+\r
+// DAP LEDs\r
+#define DAP_LED_DEBUGGER_CONNECTED 0\r
+#define DAP_LED_TARGET_RUNNING 1\r
+\r
+// DAP Port\r
+#define DAP_PORT_AUTODETECT 0 // Autodetect Port\r
+#define DAP_PORT_DISABLED 0 // Port Disabled (I/O pins in High-Z)\r
+#define DAP_PORT_SWD 1 // SWD Port (SWCLK, SWDIO) + nRESET\r
+#define DAP_PORT_JTAG 2 // JTAG Port (TCK, TMS, TDI, TDO, nTRST) + nRESET\r
+\r
+// DAP SWJ Pins\r
+#define DAP_SWJ_SWCLK_TCK 0 // SWCLK/TCK\r
+#define DAP_SWJ_SWDIO_TMS 1 // SWDIO/TMS\r
+#define DAP_SWJ_TDI 2 // TDI\r
+#define DAP_SWJ_TDO 3 // TDO\r
+#define DAP_SWJ_nTRST 5 // nTRST\r
+#define DAP_SWJ_nRESET 7 // nRESET\r
+\r
+// DAP Transfer Request\r
+#define DAP_TRANSFER_APnDP (1<<0)\r
+#define DAP_TRANSFER_RnW (1<<1)\r
+#define DAP_TRANSFER_A2 (1<<2)\r
+#define DAP_TRANSFER_A3 (1<<3)\r
+#define DAP_TRANSFER_MATCH_VALUE (1<<4)\r
+#define DAP_TRANSFER_MATCH_MASK (1<<5)\r
+\r
+// DAP Transfer Response\r
+#define DAP_TRANSFER_OK (1<<0)\r
+#define DAP_TRANSFER_WAIT (1<<1)\r
+#define DAP_TRANSFER_FAULT (1<<2)\r
+#define DAP_TRANSFER_ERROR (1<<3)\r
+#define DAP_TRANSFER_MISMATCH (1<<4)\r
+\r
+\r
+// Debug Port Register Addresses\r
+#define DP_IDCODE 0x00 // IDCODE Register (SW Read only)\r
+#define DP_ABORT 0x00 // Abort Register (SW Write only)\r
+#define DP_CTRL_STAT 0x04 // Control & Status\r
+#define DP_WCR 0x04 // Wire Control Register (SW Only)\r
+#define DP_SELECT 0x08 // Select Register (JTAG R/W & SW W)\r
+#define DP_RESEND 0x08 // Resend (SW Read Only)\r
+#define DP_RDBUFF 0x0C // Read Buffer (Read Only)\r
+\r
+// JTAG IR Codes\r
+#define JTAG_ABORT 0x08\r
+#define JTAG_DPACC 0x0A\r
+#define JTAG_APACC 0x0B\r
+#define JTAG_IDCODE 0x0E\r
+#define JTAG_BYPASS 0x0F\r
+\r
+// JTAG Sequence Info\r
+#define JTAG_SEQUENCE_TCK 0x3F // TCK count\r
+#define JTAG_SEQUENCE_TMS 0x40 // TMS value\r
+#define JTAG_SEQUENCE_TDO 0x80 // TDO capture\r
+\r
+\r
+#include <stddef.h>\r
+#include <stdint.h>\r
+\r
+// DAP Data structure\r
+typedef struct {\r
+ uint8_t debug_port; // Debug Port\r
+ uint8_t fast_clock; // Fast Clock Flag\r
+ uint32_t clock_delay; // Clock Delay\r
+ struct { // Transfer Configuration\r
+ uint8_t idle_cycles; // Idle cycles after transfer\r
+ uint16_t retry_count; // Number of retries after WAIT response\r
+ uint16_t match_retry; // Number of retries if read value does not match\r
+ uint32_t match_mask; // Match Mask\r
+ } transfer;\r
+#if (DAP_SWD != 0)\r
+ struct { // SWD Configuration\r
+ uint8_t turnaround; // Turnaround period\r
+ uint8_t data_phase; // Always generate Data Phase\r
+ } swd_conf;\r
+#endif\r
+#if (DAP_JTAG != 0)\r
+ struct { // JTAG Device Chain\r
+ uint8_t count; // Number of devices\r
+ uint8_t index; // Device index (device at TDO has index 0)\r
+#if (DAP_JTAG_DEV_CNT != 0)\r
+ uint8_t ir_length[DAP_JTAG_DEV_CNT]; // IR Length in bits\r
+ uint16_t ir_before[DAP_JTAG_DEV_CNT]; // Bits before IR\r
+ uint16_t ir_after [DAP_JTAG_DEV_CNT]; // Bits after IR\r
+#endif\r
+ } jtag_dev;\r
+#endif\r
+} DAP_Data_t;\r
+\r
+extern DAP_Data_t DAP_Data; // DAP Data\r
+extern volatile uint8_t DAP_TransferAbort; // Transfer Abort Flag\r
+\r
+\r
+// Functions\r
+extern void SWJ_Sequence (uint32_t count, uint8_t *data);\r
+extern void JTAG_Sequence (uint32_t info, uint8_t *tdi, uint8_t *tdo);\r
+extern void JTAG_IR (uint32_t ir);\r
+extern uint32_t JTAG_ReadIDCode (void);\r
+extern void JTAG_WriteAbort (uint32_t data);\r
+extern uint8_t JTAG_Transfer (uint32_t request, uint32_t *data);\r
+extern uint8_t SWD_Transfer (uint32_t request, uint32_t *data);\r
+\r
+extern void Delayms (uint32_t delay);\r
+\r
+extern uint32_t DAP_ProcessVendorCommand (uint8_t *request, uint8_t *response);\r
+\r
+extern uint32_t DAP_ProcessCommand (uint8_t *request, uint8_t *response);\r
+extern void DAP_Setup (void);\r
+\r
+// Configurable delay for clock generation\r
+#ifndef DELAY_SLOW_CYCLES\r
+#define DELAY_SLOW_CYCLES 3 // Number of cycles for one iteration\r
+#endif\r
+static __forceinline void PIN_DELAY_SLOW (uint32_t delay) {\r
+ int32_t count;\r
+\r
+ count = delay;\r
+ while (--count);\r
+}\r
+\r
+// Fixed delay for fast clock generation\r
+#ifndef DELAY_FAST_CYCLES\r
+#define DELAY_FAST_CYCLES 0 // Number of cycles: 0..3\r
+#endif\r
+static __forceinline void PIN_DELAY_FAST (void) {\r
+#if (DELAY_FAST_CYCLES >= 1)\r
+ __nop();\r
+#endif\r
+#if (DELAY_FAST_CYCLES >= 2)\r
+ __nop();\r
+#endif\r
+#if (DELAY_FAST_CYCLES >= 3)\r
+ __nop();\r
+#endif\r
+}\r
+\r
+\r
+#endif /* __DAP_H__ */\r
projects / armstart-ibdap / blobdiff