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Diffstat (limited to 'fw/global.h')
| -rw-r--r-- | fw/global.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/fw/global.h b/fw/global.h new file mode 100644 index 0000000..1109b98 --- /dev/null +++ b/fw/global.h @@ -0,0 +1,65 @@ +/* Megumin LED display firmware + * Copyright (C) 2018 Sebastian Götte <code@jaseg.net> + * + * 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 3 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/>. + */ + +#ifndef __GLOBAL_H__ +#define __GLOBAL_H__ + +/* Workaround for sub-par ST libraries */ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wstrict-aliasing" +#include <stm32f0xx.h> +#include <stm32f0xx_ll_utils.h> +#include <stm32f0xx_ll_spi.h> +#pragma GCC diagnostic pop + +#include <system_stm32f0xx.h> + +#include <stdint.h> +#include <stdbool.h> +#include <string.h> +#include <unistd.h> + +/* Microcontroller part number: STM32F030F4C6 */ + +/* Things used for module status reporting. */ +#define FIRMWARE_VERSION 1 +#define HARDWARE_VERSION 0 + +#define TS_CAL1 (*(uint16_t *)0x1FFFF7B8) +#define VREFINT_CAL (*(uint16_t *)0x1FFFF7BA) + +#define VMEAS_R_HIGH 10000 /* kiloohms */ +#define VMEAS_R_LOW 3300 /* kiloohms */ + +static inline uint16_t be16toh(uint16_t be16in) { return __builtin_bswap16(be16in); } +static inline uint16_t htobe16(uint16_t hostin) { return __builtin_bswap16(hostin); } +static inline uint16_t le16toh(uint16_t le16in) { return le16in; } +static inline uint16_t htole16(uint16_t hostin) { return hostin; } + +static inline uint32_t be32toh(uint32_t be32in) { return __builtin_bswap32(be32in); } +static inline uint32_t htobe32(uint32_t hostin) { return __builtin_bswap32(hostin); } +static inline uint32_t le32toh(uint32_t le32in) { return le32in; } +static inline uint32_t htole32(uint32_t hostin) { return hostin; } + + +#define ARRAY_SIZE(arr) \ + (sizeof(arr) / sizeof((arr)[0]) \ + + sizeof(typeof(int[1 - 2 * \ + !!__builtin_types_compatible_p(typeof(arr), \ + typeof(&arr[0]))])) * 0) + +#endif/*__GLOBAL_H__*/ |