diff options
Diffstat (limited to 'tinyusb/src/common/tusb_common.h')
| -rwxr-xr-x | tinyusb/src/common/tusb_common.h | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/tinyusb/src/common/tusb_common.h b/tinyusb/src/common/tusb_common.h deleted file mode 100755 index c2356ffe..00000000 --- a/tinyusb/src/common/tusb_common.h +++ /dev/null @@ -1,429 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2019 Ha Thach (tinyusb.org) - * - * 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. - * - * This file is part of the TinyUSB stack. - */ - -#ifndef _TUSB_COMMON_H_ -#define _TUSB_COMMON_H_ - -#ifdef __cplusplus - extern "C" { -#endif - -//--------------------------------------------------------------------+ -// Macros Helper -//--------------------------------------------------------------------+ -#define TU_ARRAY_SIZE(_arr) ( sizeof(_arr) / sizeof(_arr[0]) ) -#define TU_MIN(_x, _y) ( ( (_x) < (_y) ) ? (_x) : (_y) ) -#define TU_MAX(_x, _y) ( ( (_x) > (_y) ) ? (_x) : (_y) ) - -#define TU_U16_HIGH(u16) ((uint8_t) (((u16) >> 8) & 0x00ff)) -#define TU_U16_LOW(u16) ((uint8_t) ((u16) & 0x00ff)) -#define U16_TO_U8S_BE(u16) TU_U16_HIGH(u16), TU_U16_LOW(u16) -#define U16_TO_U8S_LE(u16) TU_U16_LOW(u16), TU_U16_HIGH(u16) - -#define TU_U32_BYTE3(u32) ((uint8_t) ((((uint32_t) u32) >> 24) & 0x000000ff)) // MSB -#define TU_U32_BYTE2(u32) ((uint8_t) ((((uint32_t) u32) >> 16) & 0x000000ff)) -#define TU_U32_BYTE1(u32) ((uint8_t) ((((uint32_t) u32) >> 8) & 0x000000ff)) -#define TU_U32_BYTE0(u32) ((uint8_t) (((uint32_t) u32) & 0x000000ff)) // LSB - -#define U32_TO_U8S_BE(u32) TU_U32_BYTE3(u32), TU_U32_BYTE2(u32), TU_U32_BYTE1(u32), TU_U32_BYTE0(u32) -#define U32_TO_U8S_LE(u32) TU_U32_BYTE0(u32), TU_U32_BYTE1(u32), TU_U32_BYTE2(u32), TU_U32_BYTE3(u32) - -#define TU_BIT(n) (1UL << (n)) - -//--------------------------------------------------------------------+ -// Includes -//--------------------------------------------------------------------+ - -// Standard Headers -#include <stdbool.h> -#include <stdint.h> -#include <stddef.h> -#include <string.h> -#include <stdio.h> - -// Tinyusb Common Headers -#include "tusb_option.h" -#include "tusb_compiler.h" -#include "tusb_verify.h" -#include "tusb_types.h" - -#include "tusb_error.h" // TODO remove -#include "tusb_timeout.h" // TODO remove - -//--------------------------------------------------------------------+ -// Internal Helper used by Host and Device Stack -//--------------------------------------------------------------------+ - -// Check if endpoint descriptor is valid per USB specs -bool tu_edpt_validate(tusb_desc_endpoint_t const * desc_ep, tusb_speed_t speed); - -// Bind all endpoint of a interface descriptor to class driver -void tu_edpt_bind_driver(uint8_t ep2drv[][2], tusb_desc_interface_t const* p_desc, uint16_t desc_len, uint8_t driver_id); - -// Calculate total length of n interfaces (depending on IAD) -uint16_t tu_desc_get_interface_total_len(tusb_desc_interface_t const* desc_itf, uint8_t itf_count, uint16_t max_len); - -//--------------------------------------------------------------------+ -// Internal Inline Functions -//--------------------------------------------------------------------+ - -//------------- Mem -------------// -#define tu_memclr(buffer, size) memset((buffer), 0, (size)) -#define tu_varclr(_var) tu_memclr(_var, sizeof(*(_var))) - -//------------- Bytes -------------// -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_u32(uint8_t b3, uint8_t b2, uint8_t b1, uint8_t b0) -{ - return ( ((uint32_t) b3) << 24) | ( ((uint32_t) b2) << 16) | ( ((uint32_t) b1) << 8) | b0; -} - -TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_u16(uint8_t high, uint8_t low) -{ - return (uint16_t) ((((uint16_t) high) << 8) | low); -} - -TU_ATTR_ALWAYS_INLINE static inline uint8_t tu_u32_byte3(uint32_t u32) { return TU_U32_BYTE3(u32); } -TU_ATTR_ALWAYS_INLINE static inline uint8_t tu_u32_byte2(uint32_t u32) { return TU_U32_BYTE2(u32); } -TU_ATTR_ALWAYS_INLINE static inline uint8_t tu_u32_byte1(uint32_t u32) { return TU_U32_BYTE1(u32); } -TU_ATTR_ALWAYS_INLINE static inline uint8_t tu_u32_byte0(uint32_t u32) { return TU_U32_BYTE0(u32); } - -TU_ATTR_ALWAYS_INLINE static inline uint8_t tu_u16_high(uint16_t u16) { return TU_U16_HIGH(u16); } -TU_ATTR_ALWAYS_INLINE static inline uint8_t tu_u16_low (uint16_t u16) { return TU_U16_LOW(u16); } - -//------------- Bits -------------// -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_bit_set (uint32_t value, uint8_t pos) { return value | TU_BIT(pos); } -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_bit_clear(uint32_t value, uint8_t pos) { return value & (~TU_BIT(pos)); } -TU_ATTR_ALWAYS_INLINE static inline bool tu_bit_test (uint32_t value, uint8_t pos) { return (value & TU_BIT(pos)) ? true : false; } - -//------------- Min -------------// -TU_ATTR_ALWAYS_INLINE static inline uint8_t tu_min8 (uint8_t x, uint8_t y ) { return (x < y) ? x : y; } -TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_min16 (uint16_t x, uint16_t y) { return (x < y) ? x : y; } -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_min32 (uint32_t x, uint32_t y) { return (x < y) ? x : y; } - -//------------- Max -------------// -TU_ATTR_ALWAYS_INLINE static inline uint8_t tu_max8 (uint8_t x, uint8_t y ) { return (x > y) ? x : y; } -TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_max16 (uint16_t x, uint16_t y) { return (x > y) ? x : y; } -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_max32 (uint32_t x, uint32_t y) { return (x > y) ? x : y; } - -//------------- Align -------------// -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_align(uint32_t value, uint32_t alignment) -{ - return value & ((uint32_t) ~(alignment-1)); -} - -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_align16 (uint32_t value) { return (value & 0xFFFFFFF0UL); } -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_align32 (uint32_t value) { return (value & 0xFFFFFFE0UL); } -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_align4k (uint32_t value) { return (value & 0xFFFFF000UL); } -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_offset4k(uint32_t value) { return (value & 0xFFFUL); } - -//------------- Mathematics -------------// -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_div_ceil(uint32_t v, uint32_t d) { return (v + d -1)/d; } - -/// inclusive range checking TODO remove -TU_ATTR_ALWAYS_INLINE static inline bool tu_within(uint32_t lower, uint32_t value, uint32_t upper) -{ - return (lower <= value) && (value <= upper); -} - -// log2 of a value is its MSB's position -// TODO use clz TODO remove -static inline uint8_t tu_log2(uint32_t value) -{ - uint8_t result = 0; - while (value >>= 1) { result++; } - return result; -} - -//------------- Unaligned Access -------------// -#if TUP_ARCH_STRICT_ALIGN - -// Rely on compiler to generate correct code for unaligned access - -typedef struct { uint16_t val; } TU_ATTR_PACKED tu_unaligned_uint16_t; -typedef struct { uint32_t val; } TU_ATTR_PACKED tu_unaligned_uint32_t; - -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_unaligned_read32(const void* mem) -{ - tu_unaligned_uint32_t const* ua32 = (tu_unaligned_uint32_t const*) mem; - return ua32->val; -} - -TU_ATTR_ALWAYS_INLINE static inline void tu_unaligned_write32(void* mem, uint32_t value) -{ - tu_unaligned_uint32_t* ua32 = (tu_unaligned_uint32_t*) mem; - ua32->val = value; -} - -TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_unaligned_read16(const void* mem) -{ - tu_unaligned_uint16_t const* ua16 = (tu_unaligned_uint16_t const*) mem; - return ua16->val; -} - -TU_ATTR_ALWAYS_INLINE static inline void tu_unaligned_write16(void* mem, uint16_t value) -{ - tu_unaligned_uint16_t* ua16 = (tu_unaligned_uint16_t*) mem; - ua16->val = value; -} - -#elif TUP_MCU_STRICT_ALIGN - -// MCU such as LPC_IP3511 Highspeed cannot access unaligned memory on USB_RAM although it is ARM M4. -// We have to manually pick up bytes since tu_unaligned_uint32_t will still generate unaligned code -// NOTE: volatile cast to memory to prevent compiler to optimize and generate unaligned code -// TODO Big Endian may need minor changes -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_unaligned_read32(const void* mem) -{ - volatile uint8_t const* buf8 = (uint8_t const*) mem; - return tu_u32(buf8[3], buf8[2], buf8[1], buf8[0]); -} - -TU_ATTR_ALWAYS_INLINE static inline void tu_unaligned_write32(void* mem, uint32_t value) -{ - volatile uint8_t* buf8 = (uint8_t*) mem; - buf8[0] = tu_u32_byte0(value); - buf8[1] = tu_u32_byte1(value); - buf8[2] = tu_u32_byte2(value); - buf8[3] = tu_u32_byte3(value); -} - -TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_unaligned_read16(const void* mem) -{ - volatile uint8_t const* buf8 = (uint8_t const*) mem; - return tu_u16(buf8[1], buf8[0]); -} - -TU_ATTR_ALWAYS_INLINE static inline void tu_unaligned_write16(void* mem, uint16_t value) -{ - volatile uint8_t* buf8 = (uint8_t*) mem; - buf8[0] = tu_u16_low(value); - buf8[1] = tu_u16_high(value); -} - - -#else - -// MCU that could access unaligned memory natively -TU_ATTR_ALWAYS_INLINE static inline uint32_t tu_unaligned_read32 (const void* mem ) { return *((uint32_t*) mem); } -TU_ATTR_ALWAYS_INLINE static inline uint16_t tu_unaligned_read16 (const void* mem ) { return *((uint16_t*) mem); } - -TU_ATTR_ALWAYS_INLINE static inline void tu_unaligned_write32 (void* mem, uint32_t value ) { *((uint32_t*) mem) = value; } -TU_ATTR_ALWAYS_INLINE static inline void tu_unaligned_write16 (void* mem, uint16_t value ) { *((uint16_t*) mem) = value; } - -#endif - -/*------------------------------------------------------------------*/ -/* Count number of arguments of __VA_ARGS__ - * - reference https://groups.google.com/forum/#!topic/comp.std.c/d-6Mj5Lko_s - * - _GET_NTH_ARG() takes args >= N (64) but only expand to Nth one (64th) - * - _RSEQ_N() is reverse sequential to N to add padding to have - * Nth position is the same as the number of arguments - * - ##__VA_ARGS__ is used to deal with 0 paramerter (swallows comma) - *------------------------------------------------------------------*/ -#ifndef TU_ARGS_NUM - -#define TU_ARGS_NUM(...) _TU_NARG(_0, ##__VA_ARGS__,_RSEQ_N()) - -#define _TU_NARG(...) _GET_NTH_ARG(__VA_ARGS__) -#define _GET_NTH_ARG( \ - _1, _2, _3, _4, _5, _6, _7, _8, _9,_10, \ - _11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \ - _21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \ - _31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \ - _41,_42,_43,_44,_45,_46,_47,_48,_49,_50, \ - _51,_52,_53,_54,_55,_56,_57,_58,_59,_60, \ - _61,_62,_63,N,...) N -#define _RSEQ_N() \ - 62,61,60, \ - 59,58,57,56,55,54,53,52,51,50, \ - 49,48,47,46,45,44,43,42,41,40, \ - 39,38,37,36,35,34,33,32,31,30, \ - 29,28,27,26,25,24,23,22,21,20, \ - 19,18,17,16,15,14,13,12,11,10, \ - 9,8,7,6,5,4,3,2,1,0 -#endif - -// To be removed -//------------- Binary constant -------------// -#if defined(__GNUC__) && !defined(__CC_ARM) - -#define TU_BIN8(x) ((uint8_t) (0b##x)) -#define TU_BIN16(b1, b2) ((uint16_t) (0b##b1##b2)) -#define TU_BIN32(b1, b2, b3, b4) ((uint32_t) (0b##b1##b2##b3##b4)) - -#else - -// internal macro of B8, B16, B32 -#define _B8__(x) (((x&0x0000000FUL)?1:0) \ - +((x&0x000000F0UL)?2:0) \ - +((x&0x00000F00UL)?4:0) \ - +((x&0x0000F000UL)?8:0) \ - +((x&0x000F0000UL)?16:0) \ - +((x&0x00F00000UL)?32:0) \ - +((x&0x0F000000UL)?64:0) \ - +((x&0xF0000000UL)?128:0)) - -#define TU_BIN8(d) ((uint8_t) _B8__(0x##d##UL)) -#define TU_BIN16(dmsb,dlsb) (((uint16_t)TU_BIN8(dmsb)<<8) + TU_BIN8(dlsb)) -#define TU_BIN32(dmsb,db2,db3,dlsb) \ - (((uint32_t)TU_BIN8(dmsb)<<24) \ - + ((uint32_t)TU_BIN8(db2)<<16) \ - + ((uint32_t)TU_BIN8(db3)<<8) \ - + TU_BIN8(dlsb)) -#endif - -//--------------------------------------------------------------------+ -// Debug Function -//--------------------------------------------------------------------+ - -// CFG_TUSB_DEBUG for debugging -// 0 : no debug -// 1 : print error -// 2 : print warning -// 3 : print info -#if CFG_TUSB_DEBUG - -void tu_print_mem(void const *buf, uint32_t count, uint8_t indent); - -#ifdef CFG_TUSB_DEBUG_PRINTF - extern int CFG_TUSB_DEBUG_PRINTF(const char *format, ...); - #define tu_printf CFG_TUSB_DEBUG_PRINTF -#else - #define tu_printf printf -#endif - -static inline -void tu_print_var(uint8_t const* buf, uint32_t bufsize) -{ - for(uint32_t i=0; i<bufsize; i++) tu_printf("%02X ", buf[i]); -} - -// Log with Level -#define TU_LOG(n, ...) TU_XSTRCAT(TU_LOG, n)(__VA_ARGS__) -#define TU_LOG_MEM(n, ...) TU_XSTRCAT3(TU_LOG, n, _MEM)(__VA_ARGS__) -#define TU_LOG_VAR(n, ...) TU_XSTRCAT3(TU_LOG, n, _VAR)(__VA_ARGS__) -#define TU_LOG_INT(n, ...) TU_XSTRCAT3(TU_LOG, n, _INT)(__VA_ARGS__) -#define TU_LOG_HEX(n, ...) TU_XSTRCAT3(TU_LOG, n, _HEX)(__VA_ARGS__) -#define TU_LOG_LOCATION() tu_printf("%s: %d:\r\n", __PRETTY_FUNCTION__, __LINE__) -#define TU_LOG_FAILED() tu_printf("%s: %d: Failed\r\n", __PRETTY_FUNCTION__, __LINE__) - -// Log Level 1: Error -#define TU_LOG1 tu_printf -#define TU_LOG1_MEM tu_print_mem -#define TU_LOG1_VAR(_x) tu_print_var((uint8_t const*)(_x), sizeof(*(_x))) -#define TU_LOG1_INT(_x) tu_printf(#_x " = %ld\r\n", (uint32_t) (_x) ) -#define TU_LOG1_HEX(_x) tu_printf(#_x " = %lX\r\n", (uint32_t) (_x) ) - -// Log Level 2: Warn -#if CFG_TUSB_DEBUG >= 2 - #define TU_LOG2 TU_LOG1 - #define TU_LOG2_MEM TU_LOG1_MEM - #define TU_LOG2_VAR TU_LOG1_VAR - #define TU_LOG2_INT TU_LOG1_INT - #define TU_LOG2_HEX TU_LOG1_HEX -#endif - -// Log Level 3: Info -#if CFG_TUSB_DEBUG >= 3 - #define TU_LOG3 TU_LOG1 - #define TU_LOG3_MEM TU_LOG1_MEM - #define TU_LOG3_VAR TU_LOG1_VAR - #define TU_LOG3_INT TU_LOG1_INT - #define TU_LOG3_HEX TU_LOG1_HEX -#endif - -typedef struct -{ - uint32_t key; - const char* data; -} tu_lookup_entry_t; - -typedef struct -{ - uint16_t count; - tu_lookup_entry_t const* items; -} tu_lookup_table_t; - -static inline const char* tu_lookup_find(tu_lookup_table_t const* p_table, uint32_t key) -{ - for(uint16_t i=0; i<p_table->count; i++) - { - if (p_table->items[i].key == key) return p_table->items[i].data; - } - - return NULL; -} - -#endif // CFG_TUSB_DEBUG - -#ifndef TU_LOG -#define TU_LOG(n, ...) -#define TU_LOG_MEM(n, ...) -#define TU_LOG_VAR(n, ...) -#define TU_LOG_INT(n, ...) -#define TU_LOG_HEX(n, ...) -#define TU_LOG_LOCATION() -#define TU_LOG_FAILED() -#endif - -// TODO replace all TU_LOGn with TU_LOG(n) - -#define TU_LOG0(...) -#define TU_LOG0_MEM(...) -#define TU_LOG0_VAR(...) -#define TU_LOG0_INT(...) -#define TU_LOG0_HEX(...) - - -#ifndef TU_LOG1 - #define TU_LOG1(...) - #define TU_LOG1_MEM(...) - #define TU_LOG1_VAR(...) - #define TU_LOG1_INT(...) - #define TU_LOG1_HEX(...) -#endif - -#ifndef TU_LOG2 - #define TU_LOG2(...) - #define TU_LOG2_MEM(...) - #define TU_LOG2_VAR(...) - #define TU_LOG2_INT(...) - #define TU_LOG2_HEX(...) -#endif - -#ifndef TU_LOG3 - #define TU_LOG3(...) - #define TU_LOG3_MEM(...) - #define TU_LOG3_VAR(...) - #define TU_LOG3_INT(...) - #define TU_LOG3_HEX(...) -#endif - -#ifdef __cplusplus - } -#endif - -#endif /* _TUSB_COMMON_H_ */ |