56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
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#ifndef SERPROG_H_
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#define SERPROG_H_
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enum serprog_cmd {
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S_CMD_NOP = 0x00,
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S_CMD_Q_IFACE = 0x01,
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S_CMD_Q_CMDMAP = 0x02,
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S_CMD_Q_PGMNAME = 0x03,
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S_CMD_Q_SERBUF = 0x04,
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S_CMD_Q_BUSTYPE = 0x05,
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S_CMD_Q_CHIPSIZE = 0x06,
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S_CMD_Q_OPBUF = 0x07,
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S_CMD_Q_WRNMAXLEN = 0x08,
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S_CMD_R_BYTE = 0x09,
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S_CMD_R_NBYTES = 0x0a,
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S_CMD_O_INIT = 0x0b,
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S_CMD_O_WRITEB = 0x0c,
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S_CMD_O_WRITEN = 0x0d,
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S_CMD_O_DELAY = 0x0e,
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S_CMD_O_EXEC = 0x0f,
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S_CMD_SYNCNOP = 0x10,
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S_CMD_Q_RDNMAXLEN = 0x11,
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S_CMD_S_BUSTYPE = 0x12,
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S_CMD_SPIOP = 0x13,
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S_CMD_S_SPI_FREQ = 0x14,
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S_CMD_S_PINSTATE = 0x15,
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};
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enum serprog_response {
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S_ACK = 0x06,
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S_NAK = 0x15
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};
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#define SERPROG_IFACE_VERSION 0x0001
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void sp_spi_init(void);
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uint32_t/*freq_applied*/ sp_spi_set_freq(uint32_t freq_wanted);
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void sp_spi_cs_deselect(void);
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void sp_spi_cs_select(void);
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void sp_spi_op_begin(void);
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void sp_spi_op_write(uint32_t write_len, const uint8_t* write_data);
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void sp_spi_op_read(uint32_t read_len, uint8_t* read_data);
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void sp_spi_op_end(void);
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static inline void sp_spi_op_do(uint32_t write_len, const uint8_t* write_data,
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uint32_t read_len, uint8_t* read_data) {
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sp_spi_op_begin();
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sp_spi_op_write(write_len, write_data);
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sp_spi_op_write(read_len, read_data);
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sp_spi_op_end();
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}
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#endif
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