Matthias Blankertz
7ccab40cd6
Add write support to rp2_sd driver. Cleanup standalone-mp3 test tool and add write test mode. Signed-off-by: Matthias Blankertz <matthias@blankertz.org>
30 lines
846 B
C
30 lines
846 B
C
#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#define SD_MISO 4
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#define SD_SCK 2
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#define SD_MOSI 3
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#define SD_CS 5
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#define SD_PIO pio0
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#define SD_INIT_BITRATE 400000
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#define SD_BITRATE 15000000
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bool sd_cmd(const uint8_t cmd, const uint32_t arg, unsigned resplen, uint8_t resp[static resplen]);
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bool sd_cmd_read(uint8_t cmd, uint32_t arg, unsigned datalen, uint8_t data[static datalen]);
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bool sd_spi_init(int mosi, int miso, int sck, int ss);
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bool sd_spi_deinit(void);
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void sd_spi_set_bitrate(const int rate);
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void sd_spi_dbg_clk(const int div, const int frac);
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bool sd_cmd_read_start(uint8_t cmd, uint32_t arg, unsigned datalen, uint8_t data[static datalen]);
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bool sd_cmd_read_complete(void);
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bool sd_cmd_read_is_complete(void);
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bool sd_cmd_write(uint8_t cmd, uint32_t arg, unsigned datalen, uint8_t data[const static datalen]);
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