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This commit is contained in:
David Lenfesty 2019-12-02 16:49:39 -07:00
parent c53844a053
commit dcd24b56c5
6 changed files with 401 additions and 339 deletions
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2
final_project/sd_reader/Makefile
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@ -16,7 +16,7 @@ OBJCOPY := avr-objcopy
SIZE := avr-size -A SIZE := avr-size -A
DOXYGEN := doxygen DOXYGEN := doxygen
CFLAGS := -Werror -Wall -pedantic -mmcu=$(MCU) -std=c99 -g -Os -DF_CPU=$(MCU_FREQ) CFLAGS := -Werror -Wall -pedantic -mmcu=$(MCU) -std=c99 -g -O3 -DF_CPU=$(MCU_FREQ)
all: $(HEX) all: $(HEX)

52
final_project/sd_reader/main.c
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@ -11,6 +11,8 @@
#define DEBUG 1 #define DEBUG 1
const char* DATA_CHUNK_ID = "data";
/* ---- Control Flow Variables ---- */ /* ---- Control Flow Variables ---- */
// Commands // Commands
uint8_t cmd_depth = 0; uint8_t cmd_depth = 0;
@ -22,7 +24,9 @@ uint16_t song_buf[2][SONG_BUF_LEN]; //! Buffers to play song from
uint8_t song_position; //! where we are in the buffers uint8_t song_position; //! where we are in the buffers
bool song_buf_select; //! which buffer we're using bool song_buf_select; //! which buffer we're using
bool song_selected; //! Flag to say we just selected the song, read data in bool song_selected; //! Flag to say we just selected the song, read data in
int8_t song_selection = -1; //! ID of selected song int8_t song_selection = -1; //! ID of selected song
uint32_t song_len;
uint32_t song_read_position;
typedef struct { typedef struct {
@ -155,9 +159,55 @@ int main()
if (song_position > 128 || song_selected) { if (song_position > 128 || song_selected) {
// Select opposite buffer // Select opposite buffer
bool read_song_buf = !song_buf_select; bool read_song_buf = !song_buf_select;
// Need to get past the metadata
if (song_selected) {
// Seek beginning of file
fat_seek_file(songs[song_selection].fd, 0, FAT_SEEK_SET);
// Iterate until we get the data
bool is_data = false;
ck_hdr_t header;
while (!is_data) {
fat_read_file(songs[song_selection].fd,
(uint8_t* ) &header, sizeof(ck_hdr_t));
// Ghetto strcmp
for (uint8_t i = 0; i < 4; i++) {
if (DATA_CHUNK_ID[i] == header.ckID[i]) {
is_data = true;
} else {
break;
}
}
// If this is metadata, skip the chunk
int32_t* offset = NULL;
*offset = header.cksize;
if (!is_data) {
fat_seek_file(songs[song_selection].fd,
offset, FAT_SEEK_CUR);
}
}
// We are now at the actual data
// divide by two to get uint16
song_len = header.cksize / 2;
song_read_position = 0;
}
// hit end of song, no more to read
if (song_read_position == song_len) {
song_read_position = 0;
TIFR0 &= ~(1 << OCF0A);
return 0;
}
// Read in file // Read in file
// 512 bytes to read, 256 samples // 512 bytes to read, 256 samples
fat_read_file(songs[song_selection].fd, (uint8_t*) song_buf[read_song_buf], 512); fat_read_file(songs[song_selection].fd, (uint8_t*) song_buf[read_song_buf], 512);
song_read_position += 256;
// If we selected the song, make sure we start playing from the right buffer // If we selected the song, make sure we start playing from the right buffer
if (song_selected) { if (song_selected) {

1
final_project/sd_reader/main.h
View File

@ -14,6 +14,7 @@
#include "fifo.h" #include "fifo.h"
#include "comms.h" #include "comms.h"
#include "periph.h" #include "periph.h"
#include "wav.h"
#define MAX_SONG_NUM 9 #define MAX_SONG_NUM 9
#define SONG_BUF_LEN 256 // NO MORE THAN 256!!! #define SONG_BUF_LEN 256 // NO MORE THAN 256!!!

677
final_project/sd_reader/sd-reader.map
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@ -40,10 +40,10 @@ Archive member included to satisfy reference by file (symbol)
/usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muluhisi3.o) (__umulhisi3) /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muluhisi3.o) (__umulhisi3)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(malloc.o) /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(malloc.o)
main.o (malloc) main.o (malloc)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(memcpy.o)
main.o (memcpy)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strchr.o) /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strchr.o)
fat.o (strchr) fat.o (strchr)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strcpy.o)
main.o (strcpy)
/usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp.o) /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp.o)
fat.o (strncmp) fat.o (strncmp)
@ -54,7 +54,11 @@ cmd_state 0x1 main.o
song_buf 0x400 main.o song_buf 0x400 main.o
song_buf_select 0x1 main.o song_buf_select 0x1 main.o
__brkval 0x2 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(malloc.o) __brkval 0x2 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(malloc.o)
song_len 0x4 main.o
ck_fmt_t 0x2a periph.o
song_read_position 0x4 main.o
song_selected 0x1 main.o song_selected 0x1 main.o
ck_master_t 0x4 periph.o
songs 0x24 main.o songs 0x24 main.o
song_position 0x1 main.o song_position 0x1 main.o
__flp 0x2 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(malloc.o) __flp 0x2 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(malloc.o)
@ -186,7 +190,7 @@ END GROUP
.rela.plt .rela.plt
*(.rela.plt) *(.rela.plt)
.text 0x0000000000000000 0x2884 .text 0x0000000000000000 0x3948
*(.vectors) *(.vectors)
.vectors 0x0000000000000000 0x68 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega328p.o .vectors 0x0000000000000000 0x68 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/crtatmega328p.o
0x0000000000000000 __vectors 0x0000000000000000 __vectors
@ -271,356 +275,356 @@ END GROUP
0x00000000000000c0 __vector_10 0x00000000000000c0 __vector_10
0x00000000000000c0 __vector_16 0x00000000000000c0 __vector_16
0x00000000000000c0 __vector_20 0x00000000000000c0 __vector_20
.text 0x00000000000000c4 0x144 partition.o .text 0x00000000000000c4 0x16e partition.o
0x00000000000000c4 partition_open 0x00000000000000c4 partition_open
0x00000000000001f8 partition_close 0x0000000000000222 partition_close
.text 0x0000000000000208 0x868 sd_raw.o .text 0x0000000000000232 0xb18 sd_raw.o
0x0000000000000296 sd_raw_available 0x00000000000003cc sd_raw_init
0x00000000000002a2 sd_raw_init 0x00000000000005b6 sd_raw_available
0x0000000000000420 sd_raw_locked 0x00000000000005c2 sd_raw_locked
0x000000000000042e sd_raw_read 0x00000000000005d0 sd_raw_read
0x00000000000005ae sd_raw_read_interval 0x000000000000079e sd_raw_read_interval
0x000000000000080c sd_raw_get_info 0x0000000000000aae sd_raw_get_info
.text 0x0000000000000a70 0x28 byteordering.o .text 0x0000000000000d4a 0x28 byteordering.o
0x0000000000000a70 read16 0x0000000000000d4a read16
0x0000000000000a78 read32 0x0000000000000d52 read32
0x0000000000000a84 write16 0x0000000000000d5e write16
0x0000000000000a8c write32 0x0000000000000d66 write32
.text 0x0000000000000a98 0x120 periph.o .text 0x0000000000000d72 0x120 periph.o
0x0000000000000a98 __vector_18 0x0000000000000d72 __vector_18
0x0000000000000ae8 __vector_14 0x0000000000000dc2 __vector_14
0x0000000000000b76 gpio_init 0x0000000000000e50 gpio_init
0x0000000000000b8a timer_init 0x0000000000000e64 timer_init
0x0000000000000b98 usart_init 0x0000000000000e72 usart_init
.text 0x0000000000000bb8 0x14fa fat.o .text 0x0000000000000e92 0x20e8 fat.o
0x0000000000001082 fat_open 0x00000000000016ee fat_open
0x0000000000001538 fat_close 0x0000000000001bec fat_close
0x0000000000001544 fat_open_file 0x0000000000001bf8 fat_get_dir_entry_of_path
0x00000000000015c0 fat_close_file 0x00000000000022ca fat_open_file
0x00000000000015cc fat_read_file 0x0000000000002346 fat_close_file
0x000000000000199e fat_seek_file 0x0000000000002352 fat_read_file
0x0000000000001a2e fat_open_dir 0x0000000000002730 fat_seek_file
0x0000000000001a9e fat_close_dir 0x00000000000027fa fat_open_dir
0x0000000000001aaa fat_reset_dir 0x000000000000286e fat_close_dir
0x0000000000001acc fat_read_dir 0x000000000000287a fat_read_dir
0x0000000000001d96 fat_get_dir_entry_of_path 0x0000000000002d10 fat_reset_dir
0x0000000000001ea8 fat_get_fs_size 0x0000000000002d32 fat_get_fs_size
0x0000000000001f16 fat_get_fs_free 0x0000000000002d9a fat_get_fs_free
.text 0x00000000000020b2 0x0 main.o .text 0x0000000000002f7a 0x0 main.o
.text 0x00000000000020b2 0xb6 fifo.o .text 0x0000000000002f7a 0xbe fifo.o
0x00000000000020b2 fifo_init 0x0000000000002f7a fifo_init
0x00000000000020c4 fifo_pop 0x0000000000002f8c fifo_pop
0x0000000000002118 fifo_push 0x0000000000002fe4 fifo_push
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.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_clear_bss.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_clear_bss.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muluhisi3.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muluhisi3.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muldi3.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muldi3.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muldi3_6.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_muldi3_6.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulsidi3.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulsidi3.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_ashldi3.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_ashldi3.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_ashrdi3.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_ashrdi3.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_adddi3.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_adddi3.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_adddi3_s8.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_adddi3_s8.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_subdi3.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_subdi3.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_cmpdi2.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_cmpdi2.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_cmpdi2_s8.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_cmpdi2_s8.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulhisi3.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/avr5/libgcc.a(_umulhisi3.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(malloc.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(malloc.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strchr.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(memcpy.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strcpy.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strchr.o)
.bss 0x0000000000800226 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp.o) .bss 0x000000000080022e 0x0 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(strncmp.o)
*(.bss*) *(.bss*)
*(COMMON) *(COMMON)
COMMON 0x0000000000800226 0x428 main.o COMMON 0x000000000080022e 0x2e periph.o
0x0000000000800226 cmd_state 0x000000000080022e ck_fmt_t
0x0000000000800227 song_buf 0x0000000000800258 ck_master_t
0x0000000000800627 song_buf_select COMMON 0x000000000080025c 0x430 main.o
0x0000000000800628 song_selected 0x000000000080025c cmd_state
0x0000000000800629 songs 0x000000000080025d song_buf
0x000000000080064d song_position 0x000000000080065d song_buf_select
COMMON 0x000000000080064e 0x4 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(malloc.o) 0x000000000080065e song_len
0x000000000080064e __brkval 0x0000000000800662 song_read_position
0x0000000000800650 __flp 0x0000000000800666 song_selected
0x0000000000800652 PROVIDE (__bss_end, .) 0x0000000000800667 songs
0x0000000000002884 __data_load_start = LOADADDR (.data) 0x000000000080068b song_position
0x000000000000289a __data_load_end = (__data_load_start + SIZEOF (.data)) COMMON 0x000000000080068c 0x4 /usr/lib/gcc/avr/5.4.0/../../../avr/lib/avr5/libc.a(malloc.o)
0x000000000080068c __brkval
0x000000000080068e __flp
0x0000000000800690 PROVIDE (__bss_end, .)
0x0000000000003948 __data_load_start = LOADADDR (.data)
0x0000000000003966 __data_load_end = (__data_load_start + SIZEOF (.data))
.noinit 0x0000000000800652 0x0 .noinit 0x0000000000800690 0x0
[!provide] PROVIDE (__noinit_start, .) [!provide] PROVIDE (__noinit_start, .)
*(.noinit*) *(.noinit*)
[!provide] PROVIDE (__noinit_end, .) [!provide] PROVIDE (__noinit_end, .)
0x0000000000800652 _end = . 0x0000000000800690 _end = .
0x0000000000800652 PROVIDE (__heap_start, .) 0x0000000000800690 PROVIDE (__heap_start, .)
.eeprom 0x0000000000810000 0x0 .eeprom 0x0000000000810000 0x0
*(.eeprom*) *(.eeprom*)
@ -769,25 +780,25 @@ END GROUP
.user_signatures .user_signatures
*(.user_signatures*) *(.user_signatures*)
.stab 0x0000000000000000 0x4ab8 .stab 0x0000000000000000 0x5ff4
*(.stab) *(.stab)
.stab 0x0000000000000000 0x6e4 partition.o .stab 0x0000000000000000 0x720 partition.o
.stab 0x00000000000006e4 0x129c sd_raw.o .stab 0x0000000000000720 0x1980 sd_raw.o
0x144c (size before relaxing) 0x1b30 (size before relaxing)
.stab 0x0000000000001980 0x414 byteordering.o .stab 0x00000000000020a0 0x414 byteordering.o
0x594 (size before relaxing) 0x594 (size before relaxing)
.stab 0x0000000000001d94 0x69c periph.o .stab 0x00000000000024b4 0x75c periph.o
0x8f4 (size before relaxing) 0x9b4 (size before relaxing)
.stab 0x0000000000002430 0x1adc fat.o .stab 0x0000000000002c10 0x25f8 fat.o
0x1d28 (size before relaxing) 0x2844 (size before relaxing)
.stab 0x0000000000003f0c 0x750 main.o .stab 0x0000000000005208 0x978 main.o
0xab0 (size before relaxing) 0xd5c (size before relaxing)
.stab 0x000000000000465c 0x45c fifo.o .stab 0x0000000000005b80 0x474 fifo.o
0x5f4 (size before relaxing) 0x60c (size before relaxing)
.stabstr 0x0000000000000000 0x2638 .stabstr 0x0000000000000000 0x2c10
*(.stabstr) *(.stabstr)
.stabstr 0x0000000000000000 0x2638 partition.o .stabstr 0x0000000000000000 0x2c10 partition.o
.stab.excl .stab.excl
*(.stab.excl) *(.stab.excl)

BIN
final_project/sd_reader/sd-reader.out
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8
final_project/sd_reader/wav.h
View File

@ -5,7 +5,7 @@
/** @brief Struct to contain chunk header information /** @brief Struct to contain chunk header information
*/ */
typedef struct { typedef struct {
uint32_t ckID; //! Chunk type char ckID[4]; //! Chunk type
uint32_t cksize; //! Size of chunk in bytes uint32_t cksize; //! Size of chunk in bytes
} ck_hdr_t; } ck_hdr_t;
@ -26,7 +26,7 @@ typedef enum {
/** @brief Struct to hold fmt chunk data /** @brief Struct to hold fmt chunk data
*/ */
struct { struct {
struct data { struct {
uint16_t wFormatTag; //! Type of data format. uint16_t wFormatTag; //! Type of data format.
uint16_t nChannels; //! Number of channels uint16_t nChannels; //! Number of channels
uint32_t nSamplesPerSec; //! Sample rate uint32_t nSamplesPerSec; //! Sample rate
@ -36,8 +36,8 @@ struct {
uint16_t cbSize; //! Size of fmt type extension. Only valid if chunk size is 18 or 40. uint16_t cbSize; //! Size of fmt type extension. Only valid if chunk size is 18 or 40.
uint16_t wValidBitsPerSample; //! Number of valid bits per sample. Only valid if chunk size is 40 uint16_t wValidBitsPerSample; //! Number of valid bits per sample. Only valid if chunk size is 40
uint32_t dwChannelMask; //! Speaker position mask. Only valid if chunk size is 40 uint32_t dwChannelMask; //! Speaker position mask. Only valid if chunk size is 40
uint8_t[16] SubFormat; //! GUID for data format. Only vaid if chunk size is 40 uint8_t SubFormat[16]; //! GUID for data format. Only vaid if chunk size is 40
}; } data;
ck_fmt_ext_t type; ck_fmt_ext_t type;
} ck_fmt_t; } ck_fmt_t;