/** global definitions and methods * @file * @author King Kévin * @copyright SPDX-License-Identifier: GPL-3.0-or-later * @date 2016-2020 */ #pragma once /** enable debugging functionalities */ #define DEBUG true /** Data Synchronization Barrier, ensure all data is written */ #define __DSB() __asm__("dsb") /** Instruction Synchronization Barrier, ensure all instruction are run */ #define __ISB() __asm__("isb") /** get the length of an array */ #define LENGTH(x) (sizeof(x) / sizeof((x)[0])) /** concatenate 2 arguments */ #define CAT2(x,y) x##y /** concatenate 3 arguments */ #define CAT3(x,y,z) x##y##z /** concatenate 4 arguments */ #define CAT4(w,x,y,z) w##x##y##z /** integer underflow/overflow safe uint8_t addition (result to min/max on underflow/overflow) */ #define ADDU8_SAFE(a,b) {__typeof__ (a) _a = (a); __typeof__ (b) _b = (b); a = (_b > 0 ? ((_a > UINT8_MAX - _b) ? UINT8_MAX : (_a + _b)) : ((_a < _b) ? 0 : (_a - _b)));} /** integer underflow/overflow safe uint16_t addition (result to min/max on underflow/overflow) */ #define ADDU16_SAFE(a,b) {__typeof__ (a) _a = (a); __typeof__ (b) _b = (b); a = (_b > 0 ? ((_a > UINT16_MAX - _b) ? UINT16_MAX : (_a + _b)) : ((_a < _b) ? 0 : (_a - _b)));} /** integer underflow/overflow safe uint32_t addition (result to min/max on underflow/overflow) */ #define ADDU32_SAFE(a,b) {__typeof__ (a) _a = (a); __typeof__ (b) _b = (b); a = (_b > 0 ? ((_a > UINT32_MAX - _b) ? UINT32_MAX : (_a + _b)) : ((_a < _b) ? 0 : (_a - _b)));} /** integer underflow/overflow safe int8_t addition (result to min/max on underflow/overflow) */ #define ADDS8_SAFE(a,b) {__typeof__ (a) _a = (a); __typeof__ (b) _b = (b); a = (_b > 0 ? ((_a > INT8_MAX - _b) ? INT8_MAX : (_a + _b)) : ((_a < INT8_MAX + _b) ? INT8_MAX : (_a + _b)));} /** integer underflow/overflow safe int16_t addition (result to min/max on underflow/overflow) */ #define ADDS16_SAFE(a,b) {__typeof__ (a) _a = (a); __typeof__ (b) _b = (b); a = (_b > 0 ? ((_a > INT16_MAX - _b) ? INT16_MAX : (_a + _b)) : ((_a < INT16_MIN + _b) ? INT16_MIN : (_a + _b)));} /** integer underflow/overflow safe int32_t addition (result to min/max on underflow/overflow) */ #define ADDS32_SAFE(a,b) {__typeof__ (a) _a = (a); __typeof__ (b) _b = (b); a = (_b > 0 ? ((_a > INT32_MAX - _b) ? INT32_MAX : (_a + _b)) : ((_a < INT32_MIN + _b) ? INT32_MIN : (_a + _b)));} /** unsigned 8-bit integer overflow safe addition * @param[in] a first part of addition * @param[in] b second part of addition * return result of addition, or type max on overflow */ uint8_t addu8_safe(uint8_t a, uint8_t b); /** unsigned 16-bit integer overflow safe addition * @param[in] a first part of addition * @param[in] b second part of addition * return result of addition, or type max on overflow */ uint16_t addu16_safe(uint16_t a, uint16_t b); /** unsigned 8-bit integer overflow safe addition * @param[in] a first part of addition * @param[in] b second part of addition * return result of addition, or type max on overflow */ uint32_t addu32_safe(uint32_t a, uint32_t b); /** signed 8-bit integer underflow/overflow safe addition * @param[in] a first part of addition * @param[in] b second part of addition * return result of addition, or type max on overflow */ int8_t adds8_safe(int8_t a, int8_t b); /** signed 16-bit integer underflow/overflow safe addition * @param[in] a first part of addition * @param[in] b second part of addition * return result of addition, or type max on overflow */ int16_t adds16_safe(int16_t a, int16_t b); /** signed 32-bit integer underflow/overflow safe addition * @param[in] a first part of addition * @param[in] b second part of addition * return result of addition, or type max on overflow */ int32_t adds32_safe(int32_t a, int32_t b); /** build year as number */ #define COMPUTE_BUILD_YEAR \ ( \ (__DATE__[ 7] - '0') * 1000 + \ (__DATE__[ 8] - '0') * 100 + \ (__DATE__[ 9] - '0') * 10 + \ (__DATE__[10] - '0') \ ) /** build day as number */ #define COMPUTE_BUILD_DAY \ ( \ ((__DATE__[4] >= '0') ? (__DATE__[4] - '0') * 10 : 0) + \ (__DATE__[5] - '0') \ ) /** check if build month is January */ #define BUILD_MONTH_IS_JAN (__DATE__[0] == 'J' && __DATE__[1] == 'a' && __DATE__[2] == 'n') /** check if build month is February */ #define BUILD_MONTH_IS_FEB (__DATE__[0] == 'F') /** check if build month is March */ #define BUILD_MONTH_IS_MAR (__DATE__[0] == 'M' && __DATE__[1] == 'a' && __DATE__[2] == 'r') /** check if build month is April */ #define BUILD_MONTH_IS_APR (__DATE__[0] == 'A' && __DATE__[1] == 'p') /** check if build month is May */ #define BUILD_MONTH_IS_MAY (__DATE__[0] == 'M' && __DATE__[1] == 'a' && __DATE__[2] == 'y') /** check if build month is June */ #define BUILD_MONTH_IS_JUN (__DATE__[0] == 'J' && __DATE__[1] == 'u' && __DATE__[2] == 'n') /** check if build month is July */ #define BUILD_MONTH_IS_JUL (__DATE__[0] == 'J' && __DATE__[1] == 'u' && __DATE__[2] == 'l') /** check if build month is August */ #define BUILD_MONTH_IS_AUG (__DATE__[0] == 'A' && __DATE__[1] == 'u') /** check if build month is September */ #define BUILD_MONTH_IS_SEP (__DATE__[0] == 'S') /** check if build month is October */ #define BUILD_MONTH_IS_OCT (__DATE__[0] == 'O') /** check if build month is November */ #define BUILD_MONTH_IS_NOV (__DATE__[0] == 'N') /** check if build month is December */ #define BUILD_MONTH_IS_DEC (__DATE__[0] == 'D') /** build month as number */ #define COMPUTE_BUILD_MONTH \ ( \ (BUILD_MONTH_IS_JAN) ? 1 : \ (BUILD_MONTH_IS_FEB) ? 2 : \ (BUILD_MONTH_IS_MAR) ? 3 : \ (BUILD_MONTH_IS_APR) ? 4 : \ (BUILD_MONTH_IS_MAY) ? 5 : \ (BUILD_MONTH_IS_JUN) ? 6 : \ (BUILD_MONTH_IS_JUL) ? 7 : \ (BUILD_MONTH_IS_AUG) ? 8 : \ (BUILD_MONTH_IS_SEP) ? 9 : \ (BUILD_MONTH_IS_OCT) ? 10 : \ (BUILD_MONTH_IS_NOV) ? 11 : \ (BUILD_MONTH_IS_DEC) ? 12 : \ /* error default */ 99 \ ) /** check if build date is unknown */ #define BUILD_DATE_IS_BAD (__DATE__[0] == '?') /** build year as number if known, or 0 if unknown */ #define BUILD_YEAR ((BUILD_DATE_IS_BAD) ? 0 : COMPUTE_BUILD_YEAR) /** build month as number if known, or 0 if unknown */ #define BUILD_MONTH ((BUILD_DATE_IS_BAD) ? 99 : COMPUTE_BUILD_MONTH) /** build day as number if known, or 0 if unknown */ #define BUILD_DAY ((BUILD_DATE_IS_BAD) ? 99 : COMPUTE_BUILD_DAY) /** @defgroup reg_macro macros to define values based on other defines values * @note used when the value is calculated or isn't a value * @{ */ /** get GPIO based on GPIO port or pin identifier */ #define GPIO(x) CAT2(GPIO,x) /** get GPIO port identifier based on GPIO port and pin identifier */ #define GPIO_PORT_ID(x) CAT2(x,_PORT) /** get GPIO port based on GPIO port and pin identifier */ #define GPIO_PORT(x) GPIO(GPIO_PORT_ID(x)) #define PA0_PORT A /**< GPIO port pin A0 is on port A */ #define PA1_PORT A /**< GPIO port pin A1 is on port A */ #define PA2_PORT A /**< GPIO port pin A2 is on port A */ #define PA3_PORT A /**< GPIO port pin A3 is on port A */ #define PA4_PORT A /**< GPIO port pin A4 is on port A */ #define PA5_PORT A /**< GPIO port pin A5 is on port A */ #define PA6_PORT A /**< GPIO port pin A6 is on port A */ #define PA7_PORT A /**< GPIO port pin A7 is on port A */ #define PA8_PORT A /**< GPIO port pin A8 is on port A */ #define PA9_PORT A /**< GPIO port pin A9 is on port A */ #define PA10_PORT A /**< GPIO port pin A10 is on port A */ #define PA11_PORT A /**< GPIO port pin A11 is on port A */ #define PA12_PORT A /**< GPIO port pin A12 is on port A */ #define PA13_PORT A /**< GPIO port pin A13 is on port A */ #define PA14_PORT A /**< GPIO port pin A14 is on port A */ #define PA15_PORT A /**< GPIO port pin A15 is on port A */ #define PB0_PORT B /**< GPIO port pin B0 is on port B */ #define PB1_PORT B /**< GPIO port pin B1 is on port B */ #define PB2_PORT B /**< GPIO port pin B2 is on port B */ #define PB3_PORT B /**< GPIO port pin B3 is on port B */ #define PB4_PORT B /**< GPIO port pin B4 is on port B */ #define PB5_PORT B /**< GPIO port pin B5 is on port B */ #define PB6_PORT B /**< GPIO port pin B6 is on port B */ #define PB7_PORT B /**< GPIO port pin B7 is on port B */ #define PB8_PORT B /**< GPIO port pin B8 is on port B */ #define PB9_PORT B /**< GPIO port pin B9 is on port B */ #define PB10_PORT B /**< GPIO port pin B10 is on port B */ #define PB11_PORT B /**< GPIO port pin B11 is on port B */ #define PB12_PORT B /**< GPIO port pin B12 is on port B */ #define PB13_PORT B /**< GPIO port pin B13 is on port B */ #define PB14_PORT B /**< GPIO port pin B14 is on port B */ #define PB15_PORT B /**< GPIO port pin B15 is on port B */ #define PC0_PORT C /**< GPIO port pin C0 is on port C */ #define PC1_PORT C /**< GPIO port pin C1 is on port C */ #define PC2_PORT C /**< GPIO port pin C2 is on port C */ #define PC3_PORT C /**< GPIO port pin C3 is on port C */ #define PC4_PORT C /**< GPIO port pin C4 is on port C */ #define PC5_PORT C /**< GPIO port pin C5 is on port C */ #define PC6_PORT C /**< GPIO port pin C6 is on port C */ #define PC7_PORT C /**< GPIO port pin C7 is on port C */ #define PC8_PORT C /**< GPIO port pin C8 is on port C */ #define PC9_PORT C /**< GPIO port pin C9 is on port C */ #define PC10_PORT C /**< GPIO port pin C10 is on port C */ #define PC11_PORT C /**< GPIO port pin C11 is on port C */ #define PC12_PORT C /**< GPIO port pin C12 is on port C */ #define PC13_PORT C /**< GPIO port pin C13 is on port C */ #define PC14_PORT C /**< GPIO port pin C14 is on port C */ #define PC15_PORT C /**< GPIO port pin C15 is on port C */ #define PD0_PORT D /**< GPIO port pin D0 is on port D */ #define PD1_PORT D /**< GPIO port pin D1 is on port D */ #define PD2_PORT D /**< GPIO port pin D2 is on port D */ #define PD3_PORT D /**< GPIO port pin D3 is on port D */ #define PD4_PORT D /**< GPIO port pin D4 is on port D */ #define PD5_PORT D /**< GPIO port pin D5 is on port D */ #define PD6_PORT D /**< GPIO port pin D6 is on port D */ #define PD7_PORT D /**< GPIO port pin D7 is on port D */ #define PD8_PORT D /**< GPIO port pin D8 is on port D */ #define PD9_PORT D /**< GPIO port pin D9 is on port D */ #define PD10_PORT D /**< GPIO port pin D10 is on port D */ #define PD11_PORT D /**< GPIO port pin D11 is on port D */ #define PD12_PORT D /**< GPIO port pin D12 is on port D */ #define PD13_PORT D /**< GPIO port pin D13 is on port D */ #define PD14_PORT D /**< GPIO port pin D14 is on port D */ #define PD15_PORT D /**< GPIO port pin D15 is on port D */ #define PE0_PORT E /**< GPIO port pin E0 is on port E */ #define PE1_PORT E /**< GPIO port pin E1 is on port E */ #define PE2_PORT E /**< GPIO port pin E2 is on port E */ #define PE3_PORT E /**< GPIO port pin E3 is on port E */ #define PE4_PORT E /**< GPIO port pin E4 is on port E */ #define PE5_PORT E /**< GPIO port pin E5 is on port E */ #define PE6_PORT E /**< GPIO port pin E6 is on port E */ #define PE7_PORT E /**< GPIO port pin E7 is on port E */ #define PE8_PORT E /**< GPIO port pin E8 is on port E */ #define PE9_PORT E /**< GPIO port pin E9 is on port E */ #define PE10_PORT E /**< GPIO port pin E10 is on port E */ #define PE11_PORT E /**< GPIO port pin E11 is on port E */ #define PE12_PORT E /**< GPIO port pin E12 is on port E */ #define PE13_PORT E /**< GPIO port pin E13 is on port E */ #define PE14_PORT E /**< GPIO port pin E14 is on port E */ #define PE15_PORT E /**< GPIO port pin E15 is on port E */ #define PF0_PORT F /**< GPIO port pin F0 is on port F */ #define PF1_PORT F /**< GPIO port pin F1 is on port F */ #define PF2_PORT F /**< GPIO port pin F2 is on port F */ #define PF3_PORT F /**< GPIO port pin F3 is on port F */ #define PF4_PORT F /**< GPIO port pin F4 is on port F */ #define PF5_PORT F /**< GPIO port pin F5 is on port F */ #define PF6_PORT F /**< GPIO port pin F6 is on port F */ #define PF7_PORT F /**< GPIO port pin F7 is on port F */ #define PF8_PORT F /**< GPIO port pin F8 is on port F */ #define PF9_PORT F /**< GPIO port pin F9 is on port F */ #define PF10_PORT F /**< GPIO port pin F10 is on port F */ #define PF11_PORT F /**< GPIO port pin F11 is on port F */ #define PF12_PORT F /**< GPIO port pin F12 is on port F */ #define PF13_PORT F /**< GPIO port pin F13 is on port F */ #define PF14_PORT F /**< GPIO port pin F14 is on port F */ #define PF15_PORT F /**< GPIO port pin F15 is on port F */ #define PG0_PORT G /**< GPIO port pin G0 is on port G */ #define PG1_PORT G /**< GPIO port pin G1 is on port G */ #define PG2_PORT G /**< GPIO port pin G2 is on port G */ #define PG3_PORT G /**< GPIO port pin G3 is on port G */ #define PG4_PORT G /**< GPIO port pin G4 is on port G */ #define PG5_PORT G /**< GPIO port pin G5 is on port G */ #define PG6_PORT G /**< GPIO port pin G6 is on port G */ #define PG7_PORT G /**< GPIO port pin G7 is on port G */ #define PG8_PORT G /**< GPIO port pin G8 is on port G */ #define PG9_PORT G /**< GPIO port pin G9 is on port G */ #define PG10_PORT G /**< GPIO port pin G10 is on port G */ #define PG11_PORT G /**< GPIO port pin G11 is on port G */ #define PG12_PORT G /**< GPIO port pin G12 is on port G */ #define PG13_PORT G /**< GPIO port pin G13 is on port G */ #define PG14_PORT G /**< GPIO port pin G14 is on port G */ #define PG15_PORT G /**< GPIO port pin G15 is on port G */ /** get GPIO port identifier based on GPIO port and pin identifier */ #define GPIO_PIN_ID(x) CAT2(x,_PIN) /** get GPIO pin based on GPIO port and pin identifier */ #define GPIO_PIN(x) GPIO(GPIO_PIN_ID(x)) #define PA0_PIN 0 /**< GPIO port pin A0 is on pin 0 */ #define PA1_PIN 1 /**< GPIO port pin A1 is on pin 1 */ #define PA2_PIN 2 /**< GPIO port pin A2 is on pin 2 */ #define PA3_PIN 3 /**< GPIO port pin A3 is on pin 3 */ #define PA4_PIN 4 /**< GPIO port pin A4 is on pin 4 */ #define PA5_PIN 5 /**< GPIO port pin A5 is on pin 5 */ #define PA6_PIN 6 /**< GPIO port pin A6 is on pin 6 */ #define PA7_PIN 7 /**< GPIO port pin A7 is on pin 7 */ #define PA8_PIN 8 /**< GPIO port pin A8 is on pin 8 */ #define PA9_PIN 9 /**< GPIO port pin A9 is on pin 9 */ #define PA10_PIN 10 /**< GPIO port pin A10 is on pin 10 */ #define PA11_PIN 11 /**< GPIO port pin A11 is on pin 11 */ #define PA12_PIN 12 /**< GPIO port pin A12 is on pin 12 */ #define PA13_PIN 13 /**< GPIO port pin A13 is on pin 13 */ #define PA14_PIN 14 /**< GPIO port pin A14 is on pin 14 */ #define PA15_PIN 15 /**< GPIO port pin A15 is on pin 15 */ #define PB0_PIN 0 /**< GPIO port pin B0 is on pin 0 */ #define PB1_PIN 1 /**< GPIO port pin B1 is on pin 1 */ #define PB2_PIN 2 /**< GPIO port pin B2 is on pin 2 */ #define PB3_PIN 3 /**< GPIO port pin B3 is on pin 3 */ #define PB4_PIN 4 /**< GPIO port pin B4 is on pin 4 */ #define PB5_PIN 5 /**< GPIO port pin B5 is on pin 5 */ #define PB6_PIN 6 /**< GPIO port pin B6 is on pin 6 */ #define PB7_PIN 7 /**< GPIO port pin B7 is on pin 7 */ #define PB8_PIN 8 /**< GPIO port pin B8 is on pin 8 */ #define PB9_PIN 9 /**< GPIO port pin B9 is on pin 9 */ #define PB10_PIN 10 /**< GPIO port pin B10 is on pin 10 */ #define PB11_PIN 11 /**< GPIO port pin B11 is on pin 11 */ #define PB12_PIN 12 /**< GPIO port pin B12 is on pin 12 */ #define PB13_PIN 13 /**< GPIO port pin B13 is on pin 13 */ #define PB14_PIN 14 /**< GPIO port pin B14 is on pin 14 */ #define PB15_PIN 15 /**< GPIO port pin B15 is on pin 15 */ #define PC0_PIN 0 /**< GPIO port pin C0 is on pin 0 */ #define PC1_PIN 1 /**< GPIO port pin C1 is on pin 1 */ #define PC2_PIN 2 /**< GPIO port pin C2 is on pin 2 */ #define PC3_PIN 3 /**< GPIO port pin C3 is on pin 3 */ #define PC4_PIN 4 /**< GPIO port pin C4 is on pin 4 */ #define PC5_PIN 5 /**< GPIO port pin C5 is on pin 5 */ #define PC6_PIN 6 /**< GPIO port pin C6 is on pin 6 */ #define PC7_PIN 7 /**< GPIO port pin C7 is on pin 7 */ #define PC8_PIN 8 /**< GPIO port pin C8 is on pin 8 */ #define PC9_PIN 9 /**< GPIO port pin C9 is on pin 9 */ #define PC10_PIN 10 /**< GPIO port pin C10 is on pin 10 */ #define PC11_PIN 11 /**< GPIO port pin C11 is on pin 11 */ #define PC12_PIN 12 /**< GPIO port pin C12 is on pin 12 */ #define PC13_PIN 13 /**< GPIO port pin C13 is on pin 13 */ #define PC14_PIN 14 /**< GPIO port pin C14 is on pin 14 */ #define PC15_PIN 15 /**< GPIO port pin C15 is on pin 15 */ #define PD0_PIN 0 /**< GPIO port pin D0 is on pin 0 */ #define PD1_PIN 1 /**< GPIO port pin D1 is on pin 1 */ #define PD2_PIN 2 /**< GPIO port pin D2 is on pin 2 */ #define PD3_PIN 3 /**< GPIO port pin D3 is on pin 3 */ #define PD4_PIN 4 /**< GPIO port pin D4 is on pin 4 */ #define PD5_PIN 5 /**< GPIO port pin D5 is on pin 5 */ #define PD6_PIN 6 /**< GPIO port pin D6 is on pin 6 */ #define PD7_PIN 7 /**< GPIO port pin D7 is on pin 7 */ #define PD8_PIN 8 /**< GPIO port pin D8 is on pin 8 */ #define PD9_PIN 9 /**< GPIO port pin D9 is on pin 9 */ #define PD10_PIN 10 /**< GPIO port pin D10 is on pin 10 */ #define PD11_PIN 11 /**< GPIO port pin D11 is on pin 11 */ #define PD12_PIN 12 /**< GPIO port pin D12 is on pin 12 */ #define PD13_PIN 13 /**< GPIO port pin D13 is on pin 13 */ #define PD14_PIN 14 /**< GPIO port pin D14 is on pin 14 */ #define PD15_PIN 15 /**< GPIO port pin D15 is on pin 15 */ #define PE0_PIN 0 /**< GPIO port pin E0 is on pin 0 */ #define PE1_PIN 1 /**< GPIO port pin E1 is on pin 1 */ #define PE2_PIN 2 /**< GPIO port pin E2 is on pin 2 */ #define PE3_PIN 3 /**< GPIO port pin E3 is on pin 3 */ #define PE4_PIN 4 /**< GPIO port pin E4 is on pin 4 */ #define PE5_PIN 5 /**< GPIO port pin E5 is on pin 5 */ #define PE6_PIN 6 /**< GPIO port pin E6 is on pin 6 */ #define PE7_PIN 7 /**< GPIO port pin E7 is on pin 7 */ #define PE8_PIN 8 /**< GPIO port pin E8 is on pin 8 */ #define PE9_PIN 9 /**< GPIO port pin E9 is on pin 9 */ #define PE10_PIN 10 /**< GPIO port pin E10 is on pin 10 */ #define PE11_PIN 11 /**< GPIO port pin E11 is on pin 11 */ #define PE12_PIN 12 /**< GPIO port pin E12 is on pin 12 */ #define PE13_PIN 13 /**< GPIO port pin E13 is on pin 13 */ #define PE14_PIN 14 /**< GPIO port pin E14 is on pin 14 */ #define PE15_PIN 15 /**< GPIO port pin E15 is on pin 15 */ #define PF0_PIN 0 /**< GPIO port pin F0 is on pin 0 */ #define PF1_PIN 1 /**< GPIO port pin F1 is on pin 1 */ #define PF2_PIN 2 /**< GPIO port pin F2 is on pin 2 */ #define PF3_PIN 3 /**< GPIO port pin F3 is on pin 3 */ #define PF4_PIN 4 /**< GPIO port pin F4 is on pin 4 */ #define PF5_PIN 5 /**< GPIO port pin F5 is on pin 5 */ #define PF6_PIN 6 /**< GPIO port pin F6 is on pin 6 */ #define PF7_PIN 7 /**< GPIO port pin F7 is on pin 7 */ #define PF8_PIN 8 /**< GPIO port pin F8 is on pin 8 */ #define PF9_PIN 9 /**< GPIO port pin F9 is on pin 9 */ #define PF10_PIN 10 /**< GPIO port pin F10 is on pin 10 */ #define PF11_PIN 11 /**< GPIO port pin F11 is on pin 11 */ #define PF12_PIN 12 /**< GPIO port pin F12 is on pin 12 */ #define PF13_PIN 13 /**< GPIO port pin F13 is on pin 13 */ #define PF14_PIN 14 /**< GPIO port pin F14 is on pin 14 */ #define PF15_PIN 15 /**< GPIO port pin F15 is on pin 15 */ #define PG0_PIN 0 /**< GPIO port pin G0 is on pin 0 */ #define PG1_PIN 1 /**< GPIO port pin G1 is on pin 1 */ #define PG2_PIN 2 /**< GPIO port pin G2 is on pin 2 */ #define PG3_PIN 3 /**< GPIO port pin G3 is on pin 3 */ #define PG4_PIN 4 /**< GPIO port pin G4 is on pin 4 */ #define PG5_PIN 5 /**< GPIO port pin G5 is on pin 5 */ #define PG6_PIN 6 /**< GPIO port pin G6 is on pin 6 */ #define PG7_PIN 7 /**< GPIO port pin G7 is on pin 7 */ #define PG8_PIN 8 /**< GPIO port pin G8 is on pin 8 */ #define PG9_PIN 9 /**< GPIO port pin G9 is on pin 9 */ #define PG10_PIN 10 /**< GPIO port pin G10 is on pin 10 */ #define PG11_PIN 11 /**< GPIO port pin G11 is on pin 11 */ #define PG12_PIN 12 /**< GPIO port pin G12 is on pin 12 */ #define PG13_PIN 13 /**< GPIO port pin G13 is on pin 13 */ #define PG14_PIN 14 /**< GPIO port pin G14 is on pin 14 */ #define PG15_PIN 15 /**< GPIO port pin G15 is on pin 15 */ /** get RCC for GPIO based on GPIO identifier */ #define RCC_GPIO(x) CAT2(RCC_GPIO,x) /** get RCC for GPIO based on GPIO identifier */ #define GPIO_RCC(x) RCC_GPIO(GPIO_PORT_ID(x)) /** get RST for GPIO based on GPIO identifier */ #define RST_GPIO(x) CAT2(RST_GPIO,x) /** get RST for GPIO based on GPIO identifier */ #define GPIO_RST(x) RST_GPIO(GPIO_PORT_ID(x)) /** get TIM based on TIM identifier */ #define TIM(x) CAT2(TIM,x) /** get RCC for timer based on TIM identifier */ #define RCC_TIM(x) CAT2(RCC_TIM,x) /** get RST for timer based on TIM identifier */ #define RST_TIM(x) CAT2(RST_TIM,x) /** get NVIC IRQ for timer base on TIM identifier */ #define NVIC_TIM_IRQ(x) CAT3(NVIC_TIM,x,_IRQ) /** NVIC IRQ for timer 9 */ #define NVIC_TIM9_IRQ NVIC_TIM1_BRK_TIM9_IRQ /** NVIC IRQ for timer 10 */ #define NVIC_TIM10_IRQ NVIC_TIM1_UP_TIM10_IRQ /** NVIC IRQ for timer 11 */ #define NVIC_TIM11_IRQ NVIC_TIM1_TRG_COM_TIM11_IRQ /** get interrupt service routine for timer base on TIM identifier */ #define TIM_ISR(x) CAT3(tim,x,_isr) /** interrupt service routine for timer 9 */ #define tim9_isr tim1_brk_tim9_isr /** interrupt service routine for timer 10 */ #define tim10_isr tim1_up_tim10_isr /** interrupt service routine for timer 11 */ #define tim11_isr tim1_trg_com_tim11_isr /** get TIM_OC based on CHx identifier */ #define TIM_OC(x) CAT2(TIM_OC,x) /** get TIM_IC based on CHx identifier */ #define TIM_IC(x) CAT2(TIM_IC,x) /** get TIM_IC_IN_TI based on CHx identifier */ #define TIM_IC_IN_TI(x) CAT2(TIM_IC_IN_TI,x) /** get TIM_SR_CCxIF based on CHx identifier */ #define TIM_SR_CCIF(x) CAT3(TIM_SR_CC,x,IF) /** get TIM_SR_CCxOF based on CHx identifier */ #define TIM_SR_CCOF(x) CAT3(TIM_SR_CC,x,OF) /** get TIM_DIER_CCxIE based on CHx identifier */ #define TIM_DIER_CCIE(x) CAT3(TIM_DIER_CC,x,IE) /** get TIM_CCRy register based on TIMx_CHy identifier */ #define TIM_CCR(x,y) CAT2(TIM_CCR,y)(TIM(x)) /** get external interrupt based on pin identifier */ #define EXTI(x) CAT2(EXTI,x) /** get external interrupt based on GPIO port and pin identifier */ #define GPIO_EXTI(x) EXTI(GPIO_PIN_ID(x)) /** get NVIC IRQ for external interrupt based on external interrupt/pin */ #define NVIC_EXTI_IRQ(x) CAT3(NVIC_EXTI,x,_IRQ) /** get NVIC IRQ for external interrupt based on GPIO port and pin identifier */ #define GPIO_NVIC_EXTI_IRQ(x) NVIC_EXTI_IRQ(GPIO_PIN_ID(x)) #define NVIC_EXTI5_IRQ NVIC_EXTI9_5_IRQ /**< IRQ for line 9 to 5 for pin 5 */ #define NVIC_EXTI6_IRQ NVIC_EXTI9_5_IRQ /**< IRQ for line 9 to 5 for pin 6 */ #define NVIC_EXTI7_IRQ NVIC_EXTI9_5_IRQ /**< IRQ for line 9 to 5 for pin 7 */ #define NVIC_EXTI8_IRQ NVIC_EXTI9_5_IRQ /**< IRQ for line 9 to 5 for pin 8 */ #define NVIC_EXTI9_IRQ NVIC_EXTI9_5_IRQ /**< IRQ for line 9 to 5 for pin 9 */ #define NVIC_EXTI10_IRQ NVIC_EXTI15_10_IRQ /**< IRQ for line 15 to 10 for pin 10 */ #define NVIC_EXTI11_IRQ NVIC_EXTI15_10_IRQ /**< IRQ for line 15 to 10 for pin 11 */ #define NVIC_EXTI12_IRQ NVIC_EXTI15_10_IRQ /**< IRQ for line 15 to 10 for pin 12 */ #define NVIC_EXTI13_IRQ NVIC_EXTI15_10_IRQ /**< IRQ for line 15 to 10 for pin 13 */ #define NVIC_EXTI14_IRQ NVIC_EXTI15_10_IRQ /**< IRQ for line 15 to 10 for pin 14 */ #define NVIC_EXTI15_IRQ NVIC_EXTI15_10_IRQ /**< IRQ for line 15 to 10 for pin 15 */ /** get interrupt service routine for timer base on external interrupt/pin */ #define EXTI_ISR(x) CAT3(exti,x,_isr) /** get external interrupt based on GPIO port and pin identifier */ #define GPIO_EXTI_ISR(x) EXTI_ISR(GPIO_PIN_ID(x)) #define exti5_isr exti9_5_isr /**< ISR for line 9 to 5 for pin 5 */ #define exti6_isr exti9_5_isr /**< ISR for line 9 to 5 for pin 6 */ #define exti7_isr exti9_5_isr /**< ISR for line 9 to 5 for pin 7 */ #define exti8_isr exti9_5_isr /**< ISR for line 9 to 5 for pin 8 */ #define exti9_isr exti9_5_isr /**< ISR for line 9 to 5 for pin 9 */ #define exti10_isr exti15_10_isr /**< ISR for line 15 to 10 for pin 10 */ #define exti11_isr exti15_10_isr /**< ISR for line 15 to 10 for pin 11 */ #define exti12_isr exti15_10_isr /**< ISR for line 15 to 10 for pin 12 */ #define exti13_isr exti15_10_isr /**< ISR for line 15 to 10 for pin 13 */ #define exti14_isr exti15_10_isr /**< ISR for line 15 to 10 for pin 14 */ #define exti15_isr exti15_10_isr /**< ISR for line 15 to 10 for pin 15 */ /** get USART based on USART identifier */ #define USART(x) CAT2(USART,x) /** get RCC for USART based on USART identifier */ #define RCC_USART(x) CAT2(RCC_USART,x) /** get RST for USART based on USART identifier */ #define RST_USART(x) CAT2(RST_USART,x) /** get NVIC IRQ for USART based on USART identifier */ #define USART_IRQ(x) CAT3(NVIC_USART,x,_IRQ) /** get interrupt service routine for USART based on USART identifier */ #define USART_ISR(x) CAT3(usart,x,_isr) /** get channel based on ADC1_IN identifier */ #define ADC_CHANNEL(x) CAT2(ADC_CHANNEL,x) /** get SPI based on SPI identifier */ #define SPI(x) CAT2(SPI,x) /** get RCC for SPI based on SPI identifier */ #define RCC_SPI(x) CAT2(RCC_SPI,x) /** get SPI CRC polynomial register based on SPI identifier */ #define SPI_CRC_PR(x) CAT3(SPI,x,_CRCPR) /** get SPI CRC transmit register based on SPI identifier */ #define SPI_CRC_TXR(x) CAT3(SPI,x,_TXCRCR) /** get SPI CRC receive register based on SPI identifier */ #define SPI_CRC_RXR(x) CAT3(SPI,x,_RXCRCR) /** get SPI IRQ based on SPI identifier */ #define SPI_IRQ(x) CAT3(NVIC_SPI,x,_IRQ) /** get SPI ISR based on SPI identifier */ #define SPI_ISR(x) CAT3(spi,x,_isr) /** get I²C based on I²C identifier */ #define I2C(x) CAT2(I2C,x) /** get RCC for I²C based on I²C identifier */ #define RCC_I2C(x) CAT2(RCC_I2C,x) /** get port based on ADC1_IN identifier */ #define ADC1_IN_PORT(x) CAT3(ADC1_IN,x,_PORT) #define ADC1_IN0_PORT GPIOA /**< ADC1_IN0 is on PA0 */ #define ADC1_IN1_PORT GPIOA /**< ADC1_IN1 is on PA1 */ #define ADC1_IN2_PORT GPIOA /**< ADC1_IN2 is on PA2 */ #define ADC1_IN3_PORT GPIOA /**< ADC1_IN3 is on PA3 */ #define ADC1_IN4_PORT GPIOA /**< ADC1_IN4 is on PA4 */ #define ADC1_IN5_PORT GPIOA /**< ADC1_IN5 is on PA5 */ #define ADC1_IN6_PORT GPIOA /**< ADC1_IN6 is on PA6 */ #define ADC1_IN7_PORT GPIOA /**< ADC1_IN7 is on PA7 */ #define ADC1_IN8_PORT GPIOB /**< ADC1_IN8 is on PB0 */ #define ADC1_IN9_PORT GPIOB /**< ADC1_IN9 is on PB1 */ #define ADC1_IN10_PORT GPIOC /**< ADC1_IN10 is on PC0 */ #define ADC1_IN11_PORT GPIOC /**< ADC1_IN11 is on PC1 */ #define ADC1_IN12_PORT GPIOC /**< ADC1_IN12 is on PC2 */ #define ADC1_IN13_PORT GPIOC /**< ADC1_IN13 is on PC3 */ #define ADC1_IN14_PORT GPIOC /**< ADC1_IN14 is on PC4 */ #define ADC1_IN15_PORT GPIOC /**< ADC1_IN15 is on PC5 */ /** get pin based on ADC1_IN identifier */ #define ADC1_IN_PIN(x) CAT3(ADC1_IN,x,_PIN) #define ADC1_IN0_PIN GPIO0 /**< ADC1_IN0 is on PA0 */ #define ADC1_IN1_PIN GPIO1 /**< ADC1_IN1 is on PA1 */ #define ADC1_IN2_PIN GPIO2 /**< ADC1_IN2 is on PA2 */ #define ADC1_IN3_PIN GPIO3 /**< ADC1_IN3 is on PA3 */ #define ADC1_IN4_PIN GPIO4 /**< ADC1_IN4 is on PA4 */ #define ADC1_IN5_PIN GPIO5 /**< ADC1_IN5 is on PA5 */ #define ADC1_IN6_PIN GPIO6 /**< ADC1_IN6 is on PA6 */ #define ADC1_IN7_PIN GPIO7 /**< ADC1_IN7 is on PA7 */ #define ADC1_IN8_PIN GPIO0 /**< ADC1_IN8 is on PB0 */ #define ADC1_IN9_PIN GPIO1 /**< ADC1_IN9 is on PB1 */ #define ADC1_IN10_PIN GPIO0 /**< ADC1_IN10 is on PC0 */ #define ADC1_IN11_PIN GPIO1 /**< ADC1_IN11 is on PC1 */ #define ADC1_IN12_PIN GPIO2 /**< ADC1_IN12 is on PC2 */ #define ADC1_IN13_PIN GPIO3 /**< ADC1_IN13 is on PC3 */ #define ADC1_IN14_PIN GPIO4 /**< ADC1_IN14 is on PC4 */ #define ADC1_IN15_PIN GPIO5 /**< ADC1_IN15 is on PC5 */ /** get RCC based on ADC1_IN identifier */ #define RCC_ADC1_IN(x) CAT2(RCC_ADC1_IN,x) #define RCC_ADC1_IN0 RCC_GPIOA /**< ADC1_IN0 is on PA0 */ #define RCC_ADC1_IN1 RCC_GPIOA /**< ADC1_IN1 is on PA1 */ #define RCC_ADC1_IN2 RCC_GPIOA /**< ADC1_IN2 is on PA2 */ #define RCC_ADC1_IN3 RCC_GPIOA /**< ADC1_IN3 is on PA3 */ #define RCC_ADC1_IN4 RCC_GPIOA /**< ADC1_IN4 is on PA4 */ #define RCC_ADC1_IN5 RCC_GPIOA /**< ADC1_IN5 is on PA5 */ #define RCC_ADC1_IN6 RCC_GPIOA /**< ADC1_IN6 is on PA6 */ #define RCC_ADC1_IN7 RCC_GPIOA /**< ADC1_IN7 is on PA7 */ #define RCC_ADC1_IN8 RCC_GPIOB /**< ADC1_IN8 is on PB0 */ #define RCC_ADC1_IN9 RCC_GPIOB /**< ADC1_IN9 is on PB1 */ #define RCC_ADC1_IN10 RCC_GPIOC /**< ADC1_IN10 is on PC0 */ #define RCC_ADC1_IN11 RCC_GPIOC /**< ADC1_IN11 is on PC1 */ #define RCC_ADC1_IN12 RCC_GPIOC /**< ADC1_IN12 is on PC2 */ #define RCC_ADC1_IN13 RCC_GPIOC /**< ADC1_IN13 is on PC3 */ #define RCC_ADC1_IN14 RCC_GPIOC /**< ADC1_IN14 is on PC4 */ #define RCC_ADC1_IN15 RCC_GPIOC /**< ADC1_IN15 is on PC5 */ /** get channel based on ADC1_IN identifier */ #define ADC_CHANNEL(x) CAT2(ADC_CHANNEL,x) /** @} */ /** @defgroup board_led board LED GPIO * @{ */ #if defined(MINIF401) #define LED_PIN PC13 /**< GPIO pin */ #define LED_ON 0 /**< LED is on when pin is low */ #endif /** @} */ /** @defgroup board_button board user button GPIO * @{ */ #if defined(MINIF401) #define BUTTON_PIN PA0 /**< GPIO pin */ #define BUTTON_PRESSED 0 /**< pin is low when button is pressed */ #endif /** @} */ /** @defgroup input to force DFU mode on low, even if application is valid * @{ */ #if defined(BUTTON_PIN) && defined(BUTTON_PRESSED) #define DFU_FORCE_PIN BUTTON_PIN /**< button pin */ #define DFU_FORCE_VALUE BUTTON_PRESSED /**< start DFU when button is pressed on boot */ #endif /** @} */ /** flag set when board user button has been pressed/released */ extern volatile bool button_flag; /** symbol for the DFU magic word * @note this symbol will be provided by the linker script */ extern char __dfu_magic[4]; /** flag set when user input is available */ extern volatile bool user_input_available; /** get binary representation of a number * @param[in] binary number to represent in binary * @param[in] rjust justify representation with leading zeros * @return string with binary representation of the number */ char* b2s(uint64_t binary, uint8_t rjust); /** switch on board LED */ void led_on(void); /** switch off board LED */ void led_off(void); /** toggle board LED */ void led_toggle(void); /** go to sleep for some microseconds * @param[in] duration sleep duration in us */ void sleep_us(uint32_t duration); /** go to sleep for some milliseconds * @param[in] duration sleep duration in ms */ void sleep_ms(uint32_t duration); /** get user input * @note verify availability using user_input_available * @warning blocks and sleeps until user input is available * @return user input character */ char user_input_get(void); /** store user input * @param[in] c user input character to store * @note old data will be overwritten when buffer is full */ void user_input_store(char c); /** setup board peripherals */ void board_setup(void); /** start embedded bootloader (e.g. system memory) * @warning the USB DFU bootloader does not start * @note after jumping to the bootloader, the USB device is detected, but does not enumerate. I have no idea about the cause. Not configuring the USB did not solve the issue. Re-initializing RCC did not help. Even the STM32CodeMX generated code was not able to have a working USB DFU reboot. Calibrating HSI according to https://community.st.com/s/question/0D50X0000BG0TfH/stm32f4-usb-dfu-bootloader-not-working-reliably did not solve the issue. Maybe there is something with the board. Booting the embedded USB DFU bootloader by hand by pressing the BOOT0 button works. * @note the USART bootloader works fine though */ void system_memory(void); /** start DFU bootloader */ void dfu_bootloader(void);