diff options
Diffstat (limited to 'tmk_core/common/chibios')
| -rw-r--r-- | tmk_core/common/chibios/_wait.h | 2 | ||||
| -rw-r--r-- | tmk_core/common/chibios/bootloader.c | 22 | ||||
| -rw-r--r-- | tmk_core/common/chibios/chibios_config.h | 62 | ||||
| -rw-r--r-- | tmk_core/common/chibios/eeprom_stm32.c | 57 | ||||
| -rw-r--r-- | tmk_core/common/chibios/eeprom_stm32_defs.h | 25 | ||||
| -rw-r--r-- | tmk_core/common/chibios/eeprom_teensy.c | 213 | ||||
| -rw-r--r-- | tmk_core/common/chibios/flash_stm32.c | 48 | ||||
| -rw-r--r-- | tmk_core/common/chibios/gd32v_compatibility.h | 120 | ||||
| -rw-r--r-- | tmk_core/common/chibios/sleep_led.c | 4 | ||||
| -rw-r--r-- | tmk_core/common/chibios/suspend.c | 89 | ||||
| -rw-r--r-- | tmk_core/common/chibios/syscall-fallbacks.c | 6 |
11 files changed, 479 insertions, 169 deletions
diff --git a/tmk_core/common/chibios/_wait.h b/tmk_core/common/chibios/_wait.h index b740afbd24..2f36c64a2e 100644 --- a/tmk_core/common/chibios/_wait.h +++ b/tmk_core/common/chibios/_wait.h @@ -43,8 +43,6 @@ void wait_us(uint16_t duration); #include "_wait.c" -#define CPU_CLOCK STM32_SYSCLK - /* For GPIOs on ARM-based MCUs, the input pins are sampled by the clock of the bus * to which the GPIO is connected. * The connected buses differ depending on the various series of MCUs. diff --git a/tmk_core/common/chibios/bootloader.c b/tmk_core/common/chibios/bootloader.c index f9514ee5f3..5cadadeeeb 100644 --- a/tmk_core/common/chibios/bootloader.c +++ b/tmk_core/common/chibios/bootloader.c @@ -95,6 +95,28 @@ void enter_bootloader_mode_if_requested(void) { } } +#elif defined(GD32VF103) + +# define DBGMCU_KEY_UNLOCK 0x4B5A6978 +# define DBGMCU_CMD_RESET 0x1 + +__IO uint32_t *DBGMCU_KEY = (uint32_t *)DBGMCU_BASE + 0x0CU; +__IO uint32_t *DBGMCU_CMD = (uint32_t *)DBGMCU_BASE + 0x08U; + +__attribute__((weak)) void bootloader_jump(void) { + /* The MTIMER unit of the GD32VF103 doesn't have the MSFRST + * register to generate a software reset request. + * BUT instead two undocumented registers in the debug peripheral + * that allow issueing a software reset. WHO would need the MSFRST + * register anyway? Source: + * https://github.com/esmil/gd32vf103inator/blob/master/include/gd32vf103/dbg.h */ + *DBGMCU_KEY = DBGMCU_KEY_UNLOCK; + *DBGMCU_CMD = DBGMCU_CMD_RESET; +} + +void enter_bootloader_mode_if_requested(void) { /* Jumping to bootloader is not possible from user code. */ +} + #elif defined(KL2x) || defined(K20x) || defined(MK66F18) || defined(MIMXRT1062) // STM32_BOOTLOADER_DUAL_BANK // STM32_BOOTLOADER_ADDRESS /* Kinetis */ diff --git a/tmk_core/common/chibios/chibios_config.h b/tmk_core/common/chibios/chibios_config.h index 23c65f9428..ad2f808a95 100644 --- a/tmk_core/common/chibios/chibios_config.h +++ b/tmk_core/common/chibios/chibios_config.h @@ -19,22 +19,60 @@ # define SPLIT_USB_DETECT // Force this on when dedicated pin is not used #endif -#if defined(STM32F1XX) -# define USE_GPIOV1 +// STM32 compatibility +#if defined(MCU_STM32) +# define CPU_CLOCK STM32_SYSCLK + +# if defined(STM32F1XX) +# define USE_GPIOV1 +# define PAL_MODE_ALTERNATE_OPENDRAIN PAL_MODE_STM32_ALTERNATE_OPENDRAIN +# define PAL_MODE_ALTERNATE_PUSHPULL PAL_MODE_STM32_ALTERNATE_PUSHPULL +# else +# define PAL_OUTPUT_TYPE_OPENDRAIN PAL_STM32_OTYPE_OPENDRAIN +# define PAL_OUTPUT_TYPE_PUSHPULL PAL_STM32_OTYPE_PUSHPULL +# define PAL_OUTPUT_SPEED_HIGHEST PAL_STM32_OSPEED_HIGHEST +# define PAL_PUPDR_FLOATING PAL_STM32_PUPDR_FLOATING +# endif + +# if defined(STM32F1XX) || defined(STM32F2XX) || defined(STM32F4XX) || defined(STM32L1XX) +# define USE_I2CV1 +# endif +#endif + +// GD32 compatibility +#if defined(MCU_GD32V) +# define CPU_CLOCK GD32_SYSCLK + +# if defined(GD32VF103) +# define USE_GPIOV1 +# define USE_I2CV1 +# define PAL_MODE_ALTERNATE_OPENDRAIN PAL_MODE_GD32_ALTERNATE_OPENDRAIN +# define PAL_MODE_ALTERNATE_PUSHPULL PAL_MODE_GD32_ALTERNATE_PUSHPULL +# endif #endif -#if defined(STM32F1XX) || defined(STM32F2XX) || defined(STM32F4XX) || defined(STM32L1XX) -# define USE_I2CV1 +#if defined(GD32VF103) +/* This chip has the same API as STM32F103, but uses different names for literally the same thing. + * As of 4.7.2021 QMK is tailored to use STM32 defines/names, for compatibility sake + * we just redefine the GD32 names. */ +# include "gd32v_compatibility.h" #endif -// teensy -#if defined(K20x) || defined(KL2x) -# define USE_I2CV1 -# define USE_I2CV1_CONTRIB // for some reason a bunch of ChibiOS-Contrib boards only have clock_speed -# define USE_GPIOV1 -# define STM32_SYSCLK KINETIS_SYSCLK_FREQUENCY +// teensy compatibility +#if defined(MCU_KINETIS) +# define CPU_CLOCK KINETIS_SYSCLK_FREQUENCY + +# if defined(K20x) || defined(KL2x) +# define USE_I2CV1 +# define USE_I2CV1_CONTRIB // for some reason a bunch of ChibiOS-Contrib boards only have clock_speed +# define USE_GPIOV1 +# endif #endif -#if defined(MK66F18) -# define STM32_SYSCLK KINETIS_SYSCLK_FREQUENCY +#if defined(HT32) +# define CPU_CLOCK HT32_CK_SYS_FREQUENCY +# define PAL_MODE_ALTERNATE PAL_HT32_MODE_AF +# define PAL_OUTPUT_TYPE_OPENDRAIN (PAL_HT32_MODE_OD | PAL_HT32_MODE_DIR) +# define PAL_OUTPUT_TYPE_PUSHPULL PAL_HT32_MODE_DIR +# define PAL_OUTPUT_SPEED_HIGHEST 0 #endif diff --git a/tmk_core/common/chibios/eeprom_stm32.c b/tmk_core/common/chibios/eeprom_stm32.c index 1fdf8c1e29..acc6a48516 100644 --- a/tmk_core/common/chibios/eeprom_stm32.c +++ b/tmk_core/common/chibios/eeprom_stm32.c @@ -620,48 +620,11 @@ uint16_t EEPROM_ReadDataWord(uint16_t Address) { } /***************************************************************************** - * Wrap library in AVR style functions. + * Bind to eeprom_driver.c *******************************************************************************/ -uint8_t eeprom_read_byte(const uint8_t *Address) { return EEPROM_ReadDataByte((const uintptr_t)Address); } +void eeprom_driver_init(void) { EEPROM_Init(); } -void eeprom_write_byte(uint8_t *Address, uint8_t Value) { EEPROM_WriteDataByte((uintptr_t)Address, Value); } - -void eeprom_update_byte(uint8_t *Address, uint8_t Value) { EEPROM_WriteDataByte((uintptr_t)Address, Value); } - -uint16_t eeprom_read_word(const uint16_t *Address) { return EEPROM_ReadDataWord((const uintptr_t)Address); } - -void eeprom_write_word(uint16_t *Address, uint16_t Value) { EEPROM_WriteDataWord((uintptr_t)Address, Value); } - -void eeprom_update_word(uint16_t *Address, uint16_t Value) { EEPROM_WriteDataWord((uintptr_t)Address, Value); } - -uint32_t eeprom_read_dword(const uint32_t *Address) { - const uint16_t p = (const uintptr_t)Address; - /* Check word alignment */ - if (p % 2) { - /* Not aligned */ - return (uint32_t)EEPROM_ReadDataByte(p) | (uint32_t)(EEPROM_ReadDataWord(p + 1) << 8) | (uint32_t)(EEPROM_ReadDataByte(p + 3) << 24); - } else { - /* Aligned */ - return EEPROM_ReadDataWord(p) | (EEPROM_ReadDataWord(p + 2) << 16); - } -} - -void eeprom_write_dword(uint32_t *Address, uint32_t Value) { - uint16_t p = (const uintptr_t)Address; - /* Check word alignment */ - if (p % 2) { - /* Not aligned */ - EEPROM_WriteDataByte(p, (uint8_t)Value); - EEPROM_WriteDataWord(p + 1, (uint16_t)(Value >> 8)); - EEPROM_WriteDataByte(p + 3, (uint8_t)(Value >> 24)); - } else { - /* Aligned */ - EEPROM_WriteDataWord(p, (uint16_t)Value); - EEPROM_WriteDataWord(p + 2, (uint16_t)(Value >> 16)); - } -} - -void eeprom_update_dword(uint32_t *Address, uint32_t Value) { eeprom_write_dword(Address, Value); } +void eeprom_driver_erase(void) { EEPROM_Erase(); } void eeprom_read_block(void *buf, const void *addr, size_t len) { const uint8_t *src = (const uint8_t *)addr; @@ -670,14 +633,14 @@ void eeprom_read_block(void *buf, const void *addr, size_t len) { /* Check word alignment */ if (len && (uintptr_t)src % 2) { /* Read the unaligned first byte */ - *dest++ = eeprom_read_byte(src++); + *dest++ = EEPROM_ReadDataByte((const uintptr_t)src++); --len; } uint16_t value; bool aligned = ((uintptr_t)dest % 2 == 0); while (len > 1) { - value = eeprom_read_word((uint16_t *)src); + value = EEPROM_ReadDataWord((const uintptr_t)((uint16_t *)src)); if (aligned) { *(uint16_t *)dest = value; dest += 2; @@ -689,7 +652,7 @@ void eeprom_read_block(void *buf, const void *addr, size_t len) { len -= 2; } if (len) { - *dest = eeprom_read_byte(src); + *dest = EEPROM_ReadDataByte((const uintptr_t)src); } } @@ -700,7 +663,7 @@ void eeprom_write_block(const void *buf, void *addr, size_t len) { /* Check word alignment */ if (len && (uintptr_t)dest % 2) { /* Write the unaligned first byte */ - eeprom_write_byte(dest++, *src++); + EEPROM_WriteDataByte((uintptr_t)dest++, *src++); --len; } @@ -712,15 +675,13 @@ void eeprom_write_block(const void *buf, void *addr, size_t len) { } else { value = *(uint8_t *)src | (*(uint8_t *)(src + 1) << 8); } - eeprom_write_word((uint16_t *)dest, value); + EEPROM_WriteDataWord((uintptr_t)((uint16_t *)dest), value); dest += 2; src += 2; len -= 2; } if (len) { - eeprom_write_byte(dest, *src); + EEPROM_WriteDataByte((uintptr_t)dest, *src); } } - -void eeprom_update_block(const void *buf, void *addr, size_t len) { eeprom_write_block(buf, addr, len); } diff --git a/tmk_core/common/chibios/eeprom_stm32_defs.h b/tmk_core/common/chibios/eeprom_stm32_defs.h index 22b4ab858e..66904f247f 100644 --- a/tmk_core/common/chibios/eeprom_stm32_defs.h +++ b/tmk_core/common/chibios/eeprom_stm32_defs.h @@ -18,7 +18,7 @@ #include <hal.h> #if !defined(FEE_PAGE_SIZE) || !defined(FEE_PAGE_COUNT) -# if defined(STM32F103xB) || defined(STM32F042x6) +# if defined(STM32F103xB) || defined(STM32F042x6) || defined(GD32VF103C8) || defined(GD32VF103CB) # ifndef FEE_PAGE_SIZE # define FEE_PAGE_SIZE 0x400 // Page size = 1KByte # endif @@ -32,25 +32,38 @@ # ifndef FEE_PAGE_COUNT # define FEE_PAGE_COUNT 4 // How many pages are used # endif +# elif defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F405xG) || defined(STM32F411xE) +# ifndef FEE_PAGE_SIZE +# define FEE_PAGE_SIZE 0x4000 // Page size = 16KByte +# endif +# ifndef FEE_PAGE_COUNT +# define FEE_PAGE_COUNT 1 // How many pages are used +# endif # endif #endif #if !defined(FEE_MCU_FLASH_SIZE) # if defined(STM32F042x6) # define FEE_MCU_FLASH_SIZE 32 // Size in Kb -# elif defined(STM32F103xB) || defined(STM32F072xB) || defined(STM32F070xB) +# elif defined(GD32VF103C8) +# define FEE_MCU_FLASH_SIZE 64 // Size in Kb +# elif defined(STM32F103xB) || defined(STM32F072xB) || defined(STM32F070xB) || defined(GD32VF103CB) # define FEE_MCU_FLASH_SIZE 128 // Size in Kb -# elif defined(STM32F303xC) +# elif defined(STM32F303xC) || defined(STM32F401xC) # define FEE_MCU_FLASH_SIZE 256 // Size in Kb -# elif defined(STM32F103xE) +# elif defined(STM32F103xE) || defined(STM32F401xE) || defined(STM32F411xE) # define FEE_MCU_FLASH_SIZE 512 // Size in Kb +# elif defined(STM32F405xG) +# define FEE_MCU_FLASH_SIZE 1024 // Size in Kb # endif #endif /* Start of the emulated eeprom */ #if !defined(FEE_PAGE_BASE_ADDRESS) -# if 0 -/* TODO: Add support for F4 */ +# if defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F405xG) || defined(STM32F411xE) +# ifndef FEE_PAGE_BASE_ADDRESS +# define FEE_PAGE_BASE_ADDRESS 0x08004000 // bodge to force 2nd 16k page +# endif # else # ifndef FEE_FLASH_BASE # define FEE_FLASH_BASE 0x8000000 diff --git a/tmk_core/common/chibios/eeprom_teensy.c b/tmk_core/common/chibios/eeprom_teensy.c index 4aaf665269..2493c607d8 100644 --- a/tmk_core/common/chibios/eeprom_teensy.c +++ b/tmk_core/common/chibios/eeprom_teensy.c @@ -39,7 +39,126 @@ * SOFTWARE. */ -#if defined(K20x) /* chip selection */ +#define SMC_PMSTAT_RUN ((uint8_t)0x01) +#define SMC_PMSTAT_HSRUN ((uint8_t)0x80) + +#define F_CPU KINETIS_SYSCLK_FREQUENCY + +static int kinetis_hsrun_disable(void) { +#if defined(MK66F18) + if (SMC->PMSTAT == SMC_PMSTAT_HSRUN) { +// First, reduce the CPU clock speed, but do not change +// the peripheral speed (F_BUS). Serial1 & Serial2 baud +// rates will be impacted, but most other peripherals +// will continue functioning at the same speed. +# if F_CPU == 256000000 && F_BUS == 64000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(1, 3, 1, 7); // TODO: TEST +# elif F_CPU == 256000000 && F_BUS == 128000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(1, 1, 1, 7); // TODO: TEST +# elif F_CPU == 240000000 && F_BUS == 60000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(1, 3, 1, 7); // ok +# elif F_CPU == 240000000 && F_BUS == 80000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(2, 2, 2, 8); // ok +# elif F_CPU == 240000000 && F_BUS == 120000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(1, 1, 1, 7); // ok +# elif F_CPU == 216000000 && F_BUS == 54000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(1, 3, 1, 7); // ok +# elif F_CPU == 216000000 && F_BUS == 72000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(2, 2, 2, 8); // ok +# elif F_CPU == 216000000 && F_BUS == 108000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(1, 1, 1, 7); // ok +# elif F_CPU == 192000000 && F_BUS == 48000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(1, 3, 1, 7); // ok +# elif F_CPU == 192000000 && F_BUS == 64000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(2, 2, 2, 8); // ok +# elif F_CPU == 192000000 && F_BUS == 96000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(1, 1, 1, 7); // ok +# elif F_CPU == 180000000 && F_BUS == 60000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(2, 2, 2, 8); // ok +# elif F_CPU == 180000000 && F_BUS == 90000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(1, 1, 1, 7); // ok +# elif F_CPU == 168000000 && F_BUS == 56000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(2, 2, 2, 5); // ok +# elif F_CPU == 144000000 && F_BUS == 48000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(2, 2, 2, 5); // ok +# elif F_CPU == 144000000 && F_BUS == 72000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(1, 1, 1, 5); // ok +# elif F_CPU == 120000000 && F_BUS == 60000000 + SIM->CLKDIV1 = SIM_CLKDIV1_OUTDIV1(KINETIS_CLKDIV1_OUTDIV1 - 1) | SIM_CLKDIV1_OUTDIV2(KINETIS_CLKDIV1_OUTDIV2 - 1) | +# if defined(MK66F18) + SIM_CLKDIV1_OUTDIV3(KINETIS_CLKDIV1_OUTDIV3 - 1) | +# endif + SIM_CLKDIV1_OUTDIV4(KINETIS_CLKDIV1_OUTDIV4 - 1); +# else + return 0; +# endif + // Then turn off HSRUN mode + SMC->PMCTRL = SMC_PMCTRL_RUNM_SET(0); + while (SMC->PMSTAT == SMC_PMSTAT_HSRUN) + ; // wait + return 1; + } +#endif + return 0; +} + +static int kinetis_hsrun_enable(void) { +#if defined(MK66F18) + if (SMC->PMSTAT == SMC_PMSTAT_RUN) { + // Turn HSRUN mode on + SMC->PMCTRL = SMC_PMCTRL_RUNM_SET(3); + while (SMC->PMSTAT != SMC_PMSTAT_HSRUN) { + ; + } // wait +// Then configure clock for full speed +# if F_CPU == 256000000 && F_BUS == 64000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 3, 0, 7); +# elif F_CPU == 256000000 && F_BUS == 128000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 1, 0, 7); +# elif F_CPU == 240000000 && F_BUS == 60000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 3, 0, 7); +# elif F_CPU == 240000000 && F_BUS == 80000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 2, 0, 7); +# elif F_CPU == 240000000 && F_BUS == 120000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 1, 0, 7); +# elif F_CPU == 216000000 && F_BUS == 54000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 3, 0, 7); +# elif F_CPU == 216000000 && F_BUS == 72000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 2, 0, 7); +# elif F_CPU == 216000000 && F_BUS == 108000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 1, 0, 7); +# elif F_CPU == 192000000 && F_BUS == 48000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 3, 0, 6); +# elif F_CPU == 192000000 && F_BUS == 64000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 2, 0, 6); +# elif F_CPU == 192000000 && F_BUS == 96000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 1, 0, 6); +# elif F_CPU == 180000000 && F_BUS == 60000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 2, 0, 6); +# elif F_CPU == 180000000 && F_BUS == 90000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 1, 0, 6); +# elif F_CPU == 168000000 && F_BUS == 56000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 2, 0, 5); +# elif F_CPU == 144000000 && F_BUS == 48000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 2, 0, 4); +# elif F_CPU == 144000000 && F_BUS == 72000000 + SIM_CLKDIV1 = SIM_CLKDIV1_OUTDIVS(0, 1, 0, 4); +# elif F_CPU == 120000000 && F_BUS == 60000000 + SIM->CLKDIV1 = SIM_CLKDIV1_OUTDIV1(KINETIS_CLKDIV1_OUTDIV1 - 1) | SIM_CLKDIV1_OUTDIV2(KINETIS_CLKDIV1_OUTDIV2 - 1) | +# if defined(MK66F18) + SIM_CLKDIV1_OUTDIV3(KINETIS_CLKDIV1_OUTDIV3 - 1) | +# endif + SIM_CLKDIV1_OUTDIV4(KINETIS_CLKDIV1_OUTDIV4 - 1); +# else + return 0; +# endif + return 1; + } +#endif + return 0; +} + +#if defined(K20x) || defined(MK66F18) /* chip selection */ /* Teensy 3.0, 3.1, 3.2; mchck; infinity keyboard */ // The EEPROM is really RAM with a hardware-based backup system to @@ -69,22 +188,34 @@ // # define HANDLE_UNALIGNED_WRITES +# if defined(K20x) +# define EEPROM_MAX 2048 +# define EEPARTITION 0x03 // all 32K dataflash for EEPROM, none for Data +# define EEESPLIT 0x30 // must be 0x30 on these chips +# elif defined(MK66F18) +# define EEPROM_MAX 4096 +# define EEPARTITION 0x05 // 128K dataflash for EEPROM, 128K for Data +# define EEESPLIT 0x10 // best endurance: 0x00 = first 12%, 0x10 = first 25%, 0x30 = all equal +# endif + // Minimum EEPROM Endurance // ------------------------ -# if (EEPROM_SIZE == 2048) // 35000 writes/byte or 70000 writes/word -# define EEESIZE 0x33 +# if (EEPROM_SIZE == 4096) +# define EEESIZE 0x02 +# elif (EEPROM_SIZE == 2048) // 35000 writes/byte or 70000 writes/word +# define EEESIZE 0x03 # elif (EEPROM_SIZE == 1024) // 75000 writes/byte or 150000 writes/word -# define EEESIZE 0x34 +# define EEESIZE 0x04 # elif (EEPROM_SIZE == 512) // 155000 writes/byte or 310000 writes/word -# define EEESIZE 0x35 +# define EEESIZE 0x05 # elif (EEPROM_SIZE == 256) // 315000 writes/byte or 630000 writes/word -# define EEESIZE 0x36 +# define EEESIZE 0x06 # elif (EEPROM_SIZE == 128) // 635000 writes/byte or 1270000 writes/word -# define EEESIZE 0x37 +# define EEESIZE 0x07 # elif (EEPROM_SIZE == 64) // 1275000 writes/byte or 2550000 writes/word -# define EEESIZE 0x38 +# define EEESIZE 0x08 # elif (EEPROM_SIZE == 32) // 2555000 writes/byte or 5110000 writes/word -# define EEESIZE 0x39 +# define EEESIZE 0x09 # endif /** \brief eeprom initialization @@ -97,15 +228,21 @@ void eeprom_initialize(void) { uint8_t status; if (FTFL->FCNFG & FTFL_FCNFG_RAMRDY) { + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; + // FlexRAM is configured as traditional RAM // We need to reconfigure for EEPROM usage - FTFL->FCCOB0 = 0x80; // PGMPART = Program Partition Command - FTFL->FCCOB4 = EEESIZE; // EEPROM Size - FTFL->FCCOB5 = 0x03; // 0K for Dataflash, 32K for EEPROM backup + kinetis_hsrun_disable(); + FTFL->FCCOB0 = FTFE_FCCOB0_CCOBn_SET(0x80); // PGMPART = Program Partition Command + FTFL->FCCOB3 = 0; + FTFL->FCCOB4 = EEESPLIT | EEESIZE; + FTFL->FCCOB5 = EEPARTITION; __disable_irq(); // do_flash_cmd() must execute from RAM. Luckily the C syntax is simple... (*((void (*)(volatile uint8_t *))((uint32_t)do_flash_cmd | 1)))(&(FTFL->FSTAT)); __enable_irq(); + kinetis_hsrun_enable(); status = FTFL->FSTAT; if (status & (FTFL_FSTAT_RDCOLERR | FTFL_FSTAT_ACCERR | FTFL_FSTAT_FPVIOL)) { FTFL->FSTAT = (status & (FTFL_FSTAT_RDCOLERR | FTFL_FSTAT_ACCERR | FTFL_FSTAT_FPVIOL)); @@ -114,11 +251,11 @@ void eeprom_initialize(void) { } // wait for eeprom to become ready (is this really necessary?) while (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) { - if (++count > 20000) break; + if (++count > 200000) break; } } -# define FlexRAM ((uint8_t *)0x14000000) +# define FlexRAM ((volatile uint8_t *)0x14000000) /** \brief eeprom read byte * @@ -195,8 +332,12 @@ void eeprom_write_byte(uint8_t *addr, uint8_t value) { if (offset >= EEPROM_SIZE) return; if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); if (FlexRAM[offset] != value) { + kinetis_hsrun_disable(); + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; FlexRAM[offset] = value; flexram_wait(); + kinetis_hsrun_enable(); } } @@ -213,18 +354,30 @@ void eeprom_write_word(uint16_t *addr, uint16_t value) { if ((offset & 1) == 0) { # endif if (*(uint16_t *)(&FlexRAM[offset]) != value) { + kinetis_hsrun_disable(); + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; *(uint16_t *)(&FlexRAM[offset]) = value; flexram_wait(); + kinetis_hsrun_enable(); } # ifdef HANDLE_UNALIGNED_WRITES } else { if (FlexRAM[offset] != value) { + kinetis_hsrun_disable(); + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; FlexRAM[offset] = value; flexram_wait(); + kinetis_hsrun_enable(); } if (FlexRAM[offset + 1] != (value >> 8)) { + kinetis_hsrun_disable(); + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; FlexRAM[offset + 1] = value >> 8; flexram_wait(); + kinetis_hsrun_enable(); } } # endif @@ -244,33 +397,57 @@ void eeprom_write_dword(uint32_t *addr, uint32_t value) { case 0: # endif if (*(uint32_t *)(&FlexRAM[offset]) != value) { + kinetis_hsrun_disable(); + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; *(uint32_t *)(&FlexRAM[offset]) = value; flexram_wait(); + kinetis_hsrun_enable(); } return; # ifdef HANDLE_UNALIGNED_WRITES case 2: if (*(uint16_t *)(&FlexRAM[offset]) != value) { + kinetis_hsrun_disable(); + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; *(uint16_t *)(&FlexRAM[offset]) = value; flexram_wait(); + kinetis_hsrun_enable(); } if (*(uint16_t *)(&FlexRAM[offset + 2]) != (value >> 16)) { + kinetis_hsrun_disable(); + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; *(uint16_t *)(&FlexRAM[offset + 2]) = value >> 16; flexram_wait(); + kinetis_hsrun_enable(); } return; default: if (FlexRAM[offset] != value) { + kinetis_hsrun_disable(); + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; FlexRAM[offset] = value; flexram_wait(); + kinetis_hsrun_enable(); } if (*(uint16_t *)(&FlexRAM[offset + 1]) != (value >> 8)) { + kinetis_hsrun_disable(); + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; *(uint16_t *)(&FlexRAM[offset + 1]) = value >> 8; flexram_wait(); + kinetis_hsrun_enable(); } if (FlexRAM[offset + 3] != (value >> 24)) { + kinetis_hsrun_disable(); + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; FlexRAM[offset + 3] = value >> 24; flexram_wait(); + kinetis_hsrun_enable(); } } # endif @@ -288,6 +465,7 @@ void eeprom_write_block(const void *buf, void *addr, uint32_t len) { if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); if (len >= EEPROM_SIZE) len = EEPROM_SIZE; if (offset + len >= EEPROM_SIZE) len = EEPROM_SIZE - offset; + kinetis_hsrun_disable(); while (len > 0) { uint32_t lsb = offset & 3; if (lsb == 0 && len >= 4) { @@ -298,6 +476,8 @@ void eeprom_write_block(const void *buf, void *addr, uint32_t len) { val32 |= (*src++ << 16); val32 |= (*src++ << 24); if (*(uint32_t *)(&FlexRAM[offset]) != val32) { + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; *(uint32_t *)(&FlexRAM[offset]) = val32; flexram_wait(); } @@ -309,6 +489,8 @@ void eeprom_write_block(const void *buf, void *addr, uint32_t len) { val16 = *src++; val16 |= (*src++ << 8); if (*(uint16_t *)(&FlexRAM[offset]) != val16) { + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; *(uint16_t *)(&FlexRAM[offset]) = val16; flexram_wait(); } @@ -318,6 +500,8 @@ void eeprom_write_block(const void *buf, void *addr, uint32_t len) { // write 8 bits uint8_t val8 = *src++; if (FlexRAM[offset] != val8) { + uint8_t stat = FTFL->FSTAT & 0x70; + if (stat) FTFL->FSTAT = stat; FlexRAM[offset] = val8; flexram_wait(); } @@ -325,6 +509,7 @@ void eeprom_write_block(const void *buf, void *addr, uint32_t len) { len--; } } + kinetis_hsrun_enable(); } /* diff --git a/tmk_core/common/chibios/flash_stm32.c b/tmk_core/common/chibios/flash_stm32.c index 6b80ff71c3..72c41b8b78 100644 --- a/tmk_core/common/chibios/flash_stm32.c +++ b/tmk_core/common/chibios/flash_stm32.c @@ -19,10 +19,38 @@ #include <hal.h> #include "flash_stm32.h" -#if defined(EEPROM_EMU_STM32F103xB) +#if defined(STM32F1XX) # define FLASH_SR_WRPERR FLASH_SR_WRPRTERR #endif +#if defined(MCU_GD32V) +/* GigaDevice GD32VF103 is a STM32F103 clone at heart. */ +# include "gd32v_compatibility.h" +#endif + +#if defined(STM32F4XX) +# define FLASH_SR_PGERR (FLASH_SR_PGSERR | FLASH_SR_PGPERR | FLASH_SR_PGAERR) + +# define FLASH_KEY1 0x45670123U +# define FLASH_KEY2 0xCDEF89ABU + +static uint8_t ADDR2PAGE(uint32_t Page_Address) { + switch (Page_Address) { + case 0x08000000 ... 0x08003FFF: + return 0; + case 0x08004000 ... 0x08007FFF: + return 1; + case 0x08008000 ... 0x0800BFFF: + return 2; + case 0x0800C000 ... 0x0800FFFF: + return 3; + } + + // TODO: bad times... + return 7; +} +#endif + /* Delay definition */ #define EraseTimeout ((uint32_t)0x00000FFF) #define ProgramTimeout ((uint32_t)0x0000001F) @@ -53,7 +81,9 @@ FLASH_Status FLASH_GetStatus(void) { if ((FLASH->SR & FLASH_SR_WRPERR) != 0) return FLASH_ERROR_WRP; +#if defined(FLASH_OBR_OPTERR) if ((FLASH->SR & FLASH_OBR_OPTERR) != 0) return FLASH_ERROR_OPT; +#endif return FLASH_COMPLETE; } @@ -95,15 +125,24 @@ FLASH_Status FLASH_ErasePage(uint32_t Page_Address) { if (status == FLASH_COMPLETE) { /* if the previous operation is completed, proceed to erase the page */ +#if defined(FLASH_CR_SNB) + FLASH->CR &= ~FLASH_CR_SNB; + FLASH->CR |= FLASH_CR_SER | (ADDR2PAGE(Page_Address) << FLASH_CR_SNB_Pos); +#else FLASH->CR |= FLASH_CR_PER; FLASH->AR = Page_Address; +#endif FLASH->CR |= FLASH_CR_STRT; /* Wait for last operation to be completed */ status = FLASH_WaitForLastOperation(EraseTimeout); if (status != FLASH_TIMEOUT) { - /* if the erase operation is completed, disable the PER Bit */ + /* if the erase operation is completed, disable the configured Bits */ +#if defined(FLASH_CR_SNB) + FLASH->CR &= ~(FLASH_CR_SER | FLASH_CR_SNB); +#else FLASH->CR &= ~FLASH_CR_PER; +#endif } FLASH->SR = (FLASH_SR_EOP | FLASH_SR_PGERR | FLASH_SR_WRPERR); } @@ -126,6 +165,11 @@ FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data) { status = FLASH_WaitForLastOperation(ProgramTimeout); if (status == FLASH_COMPLETE) { /* if the previous operation is completed, proceed to program the new data */ + +#if defined(FLASH_CR_PSIZE) + FLASH->CR &= ~FLASH_CR_PSIZE; + FLASH->CR |= FLASH_CR_PSIZE_0; +#endif FLASH->CR |= FLASH_CR_PG; *(__IO uint16_t*)Address = Data; /* Wait for last operation to be completed */ diff --git a/tmk_core/common/chibios/gd32v_compatibility.h b/tmk_core/common/chibios/gd32v_compatibility.h new file mode 100644 index 0000000000..f4dcfd8c55 --- /dev/null +++ b/tmk_core/common/chibios/gd32v_compatibility.h @@ -0,0 +1,120 @@ +/* Copyright 2021 QMK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#pragma once + +/* GD32VF103 has the same API as STM32F103, but uses different names for literally the same thing. + * As of 23.7.2021 QMK is tailored to use STM32 defines/names, for compatibility sake + * we just redefine the GD32 names. */ + +/* Close your eyes kids. */ +#define MCU_STM32 + +/* AFIO redefines */ +#define MAPR PCF0 +#define AFIO_MAPR_USART1_REMAP AFIO_PCF0_USART0_REMAP +#define AFIO_MAPR_USART2_REMAP AFIO_PCF0_USART1_REMAP +#define AFIO_MAPR_USART3_REMAP_PARTIALREMAP AFIO_PCF0_USART2_REMAP_PARTIALREMAP +#define AFIO_MAPR_USART3_REMAP_FULLREMAP AFIO_PCF0_USART2_REMAP_FULLREMAP + +/* DMA redefines. */ +#define STM32_DMA_STREAM(stream) GD32_DMA_STREAM(stream) +#define STM32_DMA_STREAM_ID(peripheral, channel) GD32_DMA_STREAM_ID(peripheral - 1, channel - 1) +#define STM32_DMA_CR_DIR_M2P GD32_DMA_CTL_DIR_M2P +#define STM32_DMA_CR_PSIZE_WORD GD32_DMA_CTL_PWIDTH_WORD +#define STM32_DMA_CR_MSIZE_WORD GD32_DMA_CTL_MWIDTH_WORD +#define STM32_DMA_CR_MINC GD32_DMA_CTL_MNAGA +#define STM32_DMA_CR_CIRC GD32_DMA_CTL_CMEN +#define STM32_DMA_CR_PL GD32_DMA_CTL_PRIO +#define STM32_DMA_CR_CHSEL GD32_DMA_CTL_CHSEL +#define cr1 ctl0 +#define cr2 ctl1 +#define cr3 ctl2 +#define dier dmainten + +/* ADC redefines */ +#if HAL_USE_ADC +# define STM32_ADC_USE_ADC1 GD32_ADC_USE_ADC0 + +# define smpr1 sampt0 +# define smpr2 sampt1 +# define sqr1 rsq0 +# define sqr2 rsq1 +# define sqr3 rsq2 + +# define ADC_SMPR2_SMP_AN0 ADC_SAMPT1_SMP_SPT0 +# define ADC_SMPR2_SMP_AN1 ADC_SAMPT1_SMP_SPT1 +# define ADC_SMPR2_SMP_AN2 ADC_SAMPT1_SMP_SPT2 +# define ADC_SMPR2_SMP_AN3 ADC_SAMPT1_SMP_SPT3 +# define ADC_SMPR2_SMP_AN4 ADC_SAMPT1_SMP_SPT4 +# define ADC_SMPR2_SMP_AN5 ADC_SAMPT1_SMP_SPT5 +# define ADC_SMPR2_SMP_AN6 ADC_SAMPT1_SMP_SPT6 +# define ADC_SMPR2_SMP_AN7 ADC_SAMPT1_SMP_SPT7 +# define ADC_SMPR2_SMP_AN8 ADC_SAMPT1_SMP_SPT8 +# define ADC_SMPR2_SMP_AN9 ADC_SAMPT1_SMP_SPT9 + +# define ADC_SMPR1_SMP_AN10 ADC_SAMPT0_SMP_SPT10 +# define ADC_SMPR1_SMP_AN11 ADC_SAMPT0_SMP_SPT11 +# define ADC_SMPR1_SMP_AN12 ADC_SAMPT0_SMP_SPT12 +# define ADC_SMPR1_SMP_AN13 ADC_SAMPT0_SMP_SPT13 +# define ADC_SMPR1_SMP_AN14 ADC_SAMPT0_SMP_SPT14 +# define ADC_SMPR1_SMP_AN15 ADC_SAMPT0_SMP_SPT15 + +# define ADC_SQR3_SQ1_N ADC_RSQ2_RSQ1_N +#endif + +/* FLASH redefines */ +#if defined(EEPROM_ENABLE) +# define SR STAT +# define FLASH_SR_BSY FLASH_STAT_BUSY +# define FLASH_SR_PGERR FLASH_STAT_PGERR +# define FLASH_SR_EOP FLASH_STAT_ENDF +# define FLASH_SR_WRPRTERR FLASH_STAT_WPERR +# define FLASH_SR_WRPERR FLASH_SR_WRPRTERR +# define FLASH_OBR_OPTERR FLASH_OBSTAT_OBERR +# define AR ADDR +# define CR CTL +# define FLASH_CR_PER FLASH_CTL_PER +# define FLASH_CR_STRT FLASH_CTL_START +# define FLASH_CR_LOCK FLASH_CTL_LK +# define FLASH_CR_PG FLASH_CTL_PG +# define KEYR KEY +#endif + +/* Serial USART redefines. */ +#if HAL_USE_SERIAL +# if !defined(SERIAL_USART_CR1) +# define SERIAL_USART_CR1 (USART_CTL0_PCEN | USART_CTL0_PM | USART_CTL0_WL) // parity enable, odd parity, 9 bit length +# endif +# if !defined(SERIAL_USART_CR2) +# define SERIAL_USART_CR2 (USART_CTL1_STB_1) // 2 stop bits +# endif +# if !defined(SERIAL_USART_CR3) +# define SERIAL_USART_CR3 0x0 +# endif +# define USART_CR3_HDSEL USART_CTL2_HDEN +# define CCR CHCV +#endif + +/* SPI redefines. */ +#if HAL_USE_SPI +# define SPI_CR1_LSBFIRST SPI_CTL0_LF +# define SPI_CR1_CPHA SPI_CTL0_CKPH +# define SPI_CR1_CPOL SPI_CTL0_CKPL +# define SPI_CR1_BR_0 SPI_CTL0_PSC_0 +# define SPI_CR1_BR_1 SPI_CTL0_PSC_1 +# define SPI_CR1_BR_2 SPI_CTL0_PSC_2 +#endif diff --git a/tmk_core/common/chibios/sleep_led.c b/tmk_core/common/chibios/sleep_led.c index 1c65016a42..477056a454 100644 --- a/tmk_core/common/chibios/sleep_led.c +++ b/tmk_core/common/chibios/sleep_led.c @@ -65,7 +65,7 @@ void sleep_led_timer_callback(void) { /* LPTMR clock options */ # define LPTMR_CLOCK_MCGIRCLK 0 /* 4MHz clock */ -# define LPTMR_CLOCK_LPO 1 /* 1kHz clock */ +# define LPTMR_CLOCK_LPO 1 /* 1kHz clock */ # define LPTMR_CLOCK_ERCLK32K 2 /* external 32kHz crystal */ # define LPTMR_CLOCK_OSCERCLK 3 /* output from OSC */ @@ -121,7 +121,7 @@ void sleep_led_init(void) { MCG->C2 |= MCG_C2_IRCS; // fast (4MHz) internal ref clock # if defined(KL27) // divide the 8MHz IRC by 2, to have the same MCGIRCLK speed as others MCG->MC |= MCG_MC_LIRC_DIV2_DIV2; -# endif /* KL27 */ +# endif /* KL27 */ MCG->C1 |= MCG_C1_IRCLKEN; // enable internal ref clock // to work in stop mode, also MCG_C1_IREFSTEN // Divide 4MHz by 2^N (N=6) => 62500 irqs/sec => diff --git a/tmk_core/common/chibios/suspend.c b/tmk_core/common/chibios/suspend.c index 38517e06f0..9310a99920 100644 --- a/tmk_core/common/chibios/suspend.c +++ b/tmk_core/common/chibios/suspend.c @@ -7,30 +7,12 @@ #include "action.h" #include "action_util.h" #include "mousekey.h" +#include "programmable_button.h" #include "host.h" #include "suspend.h" #include "led.h" #include "wait.h" -#ifdef AUDIO_ENABLE -# include "audio.h" -#endif /* AUDIO_ENABLE */ - -#ifdef BACKLIGHT_ENABLE -# include "backlight.h" -#endif - -#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE) -# include "rgblight.h" -#endif - -#ifdef LED_MATRIX_ENABLE -# include "led_matrix.h" -#endif -#ifdef RGB_MATRIX_ENABLE -# include "rgb_matrix.h" -#endif - /** \brief suspend idle * * FIXME: needs doc @@ -40,61 +22,12 @@ void suspend_idle(uint8_t time) { wait_ms(time); } -/** \brief Run keyboard level Power down - * - * FIXME: needs doc - */ -__attribute__((weak)) void suspend_power_down_user(void) {} -/** \brief Run keyboard level Power down - * - * FIXME: needs doc - */ -__attribute__((weak)) void suspend_power_down_kb(void) { suspend_power_down_user(); } - /** \brief suspend power down * * FIXME: needs doc */ void suspend_power_down(void) { -#ifdef BACKLIGHT_ENABLE - backlight_set(0); -#endif - -#ifdef LED_MATRIX_ENABLE - led_matrix_task(); -#endif -#ifdef RGB_MATRIX_ENABLE - rgb_matrix_task(); -#endif - - // Turn off LED indicators - uint8_t leds_off = 0; -#if defined(BACKLIGHT_CAPS_LOCK) && defined(BACKLIGHT_ENABLE) - if (is_backlight_enabled()) { - // Don't try to turn off Caps Lock indicator as it is backlight and backlight is already off - leds_off |= (1 << USB_LED_CAPS_LOCK); - } -#endif - led_set(leds_off); - - // TODO: figure out what to power down and how - // shouldn't power down TPM/FTM if we want a breathing LED - // also shouldn't power down USB -#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE) - rgblight_suspend(); -#endif - -#if defined(LED_MATRIX_ENABLE) - led_matrix_set_suspend_state(true); -#endif -#if defined(RGB_MATRIX_ENABLE) - rgb_matrix_set_suspend_state(true); -#endif -#ifdef AUDIO_ENABLE - stop_all_notes(); -#endif /* AUDIO_ENABLE */ - - suspend_power_down_kb(); + suspend_power_down_quantum(); // on AVR, this enables the watchdog for 15ms (max), and goes to // SLEEP_MODE_PWR_DOWN @@ -147,23 +80,13 @@ void suspend_wakeup_init(void) { #ifdef MOUSEKEY_ENABLE mousekey_clear(); #endif /* MOUSEKEY_ENABLE */ +#ifdef PROGRAMMABLE_BUTTON_ENABLE + programmable_button_clear(); +#endif /* PROGRAMMABLE_BUTTON_ENABLE */ #ifdef EXTRAKEY_ENABLE host_system_send(0); host_consumer_send(0); #endif /* EXTRAKEY_ENABLE */ -#ifdef BACKLIGHT_ENABLE - backlight_init(); -#endif /* BACKLIGHT_ENABLE */ - led_set(host_keyboard_leds()); -#if defined(RGBLIGHT_SLEEP) && defined(RGBLIGHT_ENABLE) - rgblight_wakeup(); -#endif -#if defined(LED_MATRIX_ENABLE) - led_matrix_set_suspend_state(false); -#endif -#if defined(RGB_MATRIX_ENABLE) - rgb_matrix_set_suspend_state(false); -#endif - suspend_wakeup_init_kb(); + suspend_wakeup_init_quantum(); } diff --git a/tmk_core/common/chibios/syscall-fallbacks.c b/tmk_core/common/chibios/syscall-fallbacks.c index 739017ae1d..4569879c7c 100644 --- a/tmk_core/common/chibios/syscall-fallbacks.c +++ b/tmk_core/common/chibios/syscall-fallbacks.c @@ -18,6 +18,12 @@ #include <sys/stat.h> #include <sys/types.h> +/* To compile the ChibiOS syscall stubs with picolibc + * the _reent struct has to be defined. */ +#if defined(USE_PICOLIBC) +struct _reent; +#endif + #pragma GCC diagnostic ignored "-Wmissing-prototypes" __attribute__((weak, used)) int _open_r(struct _reent *r, const char *path, int flag, int m) { |