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author | Karel Kočí <cynerd@email.cz> | 2016-03-08 16:10:33 +0100 |
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committer | Karel Kočí <cynerd@email.cz> | 2016-03-08 16:10:33 +0100 |
commit | 5d29fe79d30f430ae326d9dc57ccfaed6fe61328 (patch) | |
tree | 8341804d561c0060176cbebc3f9a57c7c07f7816 /include/can/mcp2515.h | |
parent | 4e773191d447ac434536262a6f204dd991d4ad77 (diff) | |
download | avr-ioe-5d29fe79d30f430ae326d9dc57ccfaed6fe61328.tar.gz avr-ioe-5d29fe79d30f430ae326d9dc57ccfaed6fe61328.tar.bz2 avr-ioe-5d29fe79d30f430ae326d9dc57ccfaed6fe61328.zip |
Another full update of current work
Diffstat (limited to 'include/can/mcp2515.h')
-rw-r--r-- | include/can/mcp2515.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/can/mcp2515.h b/include/can/mcp2515.h new file mode 100644 index 0000000..59376f7 --- /dev/null +++ b/include/can/mcp2515.h @@ -0,0 +1,36 @@ +#include <avr/io.h> +#include <avr/interrupt.h> +#include <stdint.h> + +#include "spi.h" +#include "global.h" + +#ifndef _IOE_CAN_MCP2515_H_ +#define _IOE_CAN_MCP2515_H_ +#ifdef CONFIG_IOE_CAN_MCP2515 +#ifndef CONFIG_IOE_SPI +#error "Please define CONFIG_IOE_SPI. MCP2515 requires SPI." +#endif + +// TODO registers +#define CAN_MCP2515_CANCTL +// TODO buffers + +typedef struct { + uint8_t group, mask; +} CanMcp2515; + +int8_t can_mcp2515_init(CanMcp2515 * can, uint8_t group, uint8_t mask); + +void can_mcp2515_reset(CanMcp2515 * can); +uint8_t can_mcp2515_read(CanMcp2515 * can, uint8_t address); +uint8_t can_mcp2515_readrx(CanMcp2515 * can, uint8_t buffer); +void can_mcp2515_write(CanMcp2515 * can, uint8_t address, uint8_t data); +void can_mcp2515_loadrx(CanMcp2515 * can, uint8_t buffer, uint8_t data); +uint8_t can_mcp2515_rdstat(CanMcp2515 * can); +uint8_t can_mcp2515_rxstat(CanMcp2515 * can); +void can_mcp2515_bitmod(CanMcp2515 * can, uint8_t address, uint8_t mask, + uint8_t data); + +#endif /* CONFIG_IOE_CAN_MCP2515 */ +#endif /* _IOE_CAN_MCP2515_H_ */ |