savanni
/
avr
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

API cleanup. Get all builds working.

i2c
Savanni D'Gerinel 2022-07-12 22:42:42 -04:00
parent f76bcb18a2
commit c34886bad5
11 changed files with 70 additions and 78 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
base/base.h
View File

@ -14,26 +14,27 @@ You should have received a copy of the GNU General Public License along with Lum
#define __BASE_H__
#include <avr/io.h>
#include <stdbool.h>
#include <util/delay.h>
#define LINE_OUT 1
#define LINE_IN 0
typedef struct GPIO {
typedef struct DIO {
volatile uint8_t *ddr;
volatile uint8_t *port;
volatile uint8_t *pin;
uint8_t addr;
} gpio_t;
} dio_t;
/*
#define GPIOA(addr) (gpio_t){ .ddr = &DDRA, .port = &PORTA, .addr = addr }
#define GPIOB(addr) (gpio_t){ .ddr = &DDRB, .port = &PORTB, .addr = addr }
#define GPIOC(addr) (gpio_t){ .ddr = &DDRC, .port = &PORTC, .addr = addr }
#define GPIOD(addr) (gpio_t){ .ddr = &DDRD, .port = &PORTD, .addr = addr }
#define DIO(addr) (dio_t){ .ddr = &DDRA, .port = &PORTA, .addr = addr }
#define DIO(addr) (dio_t){ .ddr = &DDRB, .port = &PORTB, .addr = addr }
#define DIO(addr) (dio_t){ .ddr = &DDRC, .port = &PORTC, .addr = addr }
#define DIO(addr) (dio_t){ .ddr = &DDRD, .port = &PORTD, .addr = addr }
*/
inline void set_line_direction(gpio_t *line, int direction) {
inline void dio_set_direction(dio_t *line, int direction) {
if (direction == LINE_OUT) {
*(line->ddr) |= _BV(line->addr);
} else {
@ -41,15 +42,16 @@ inline void set_line_direction(gpio_t *line, int direction) {
}
}
inline void set_line(gpio_t *line) {
*(line->port) |= _BV(line->addr);
inline void dio_set(dio_t *line, bool value) {
if (value) {
*(line->port) |= _BV(line->addr);
}
else {
*(line->port) &= ~(_BV(line->addr));
}
}
inline void clear_line(gpio_t *line) {
*(line->port) &= ~(_BV(line->addr));
}
inline int read_line(gpio_t *line) {
inline int dio_read(dio_t *line) {
return (*(line->pin) & _BV(line->addr)) > 0;
}

6
display/display.c
View File

@ -19,10 +19,10 @@ You should have received a copy of the GNU General Public License along with Lum
#define ENABLE _BV(5)
#define CHARCODE _BV(4)
void ping(gpio_t *light) {
set_line(light);
void ping(dio_t *light) {
dio_set(light, 1);
_delay_ms(100);
clear_line(light);
dio_set(light, 0);
_delay_ms(100);
}

6
flame/main.c
View File

@ -36,7 +36,7 @@ typedef struct {
uint8_t duration;
} animation_t;
animation_t animation_new() {
animation_t animation_new(void) {
return (animation_t){
.lamp = (rgb_t){ .brightness = 9, .r = 212, .g = 50, .b = 0 },
.color_scheme = normal,
@ -96,8 +96,8 @@ int main (void) {
PORTB = 0;
_delay_ms(50);
io_pin_t data_pin = { .port = &PORTB, .pin = 0 };
io_pin_t clock_pin = { .port = &PORTB, .pin = 2 };
dio_t data_pin = { .ddr = &DDRB, .port = &PORTB, .pin = &PINB, .addr = 0 };
dio_t clock_pin = { .ddr = &DDRB, .port = &PORTB, .pin = &PINB, .addr = 2 };
rng_t rng = rng_new(0);
animation_t animation = animation_new();

8
rfm69hcw/rfm.c
View File

@ -78,8 +78,8 @@ void rfm_init(rfm_t *rfm, uint8_t *sync_word, size_t length, rfm_error_e *error)
if (!error) return;
spi_initialize(&rfm->spi);
set_line_direction(&rfm->irq, LINE_IN);
set_line_direction(&rfm->reset, LINE_OUT);
dio_set_direction(&rfm->irq, LINE_IN);
dio_set_direction(&rfm->reset, LINE_OUT);
rfm_reset(rfm);
rfm_sleep(rfm);
@ -157,9 +157,9 @@ uint8_t sync_word(rfm_t *rfm, uint8_t sync_word[8]) {
}
void rfm_reset(rfm_t *rfm) {
set_line(&rfm->reset);
dio_set(&rfm->reset, 1);
_delay_us(100);
clear_line(&rfm->reset);
dio_set(&rfm->reset, 0);
_delay_us(5);
}

4
rfm69hcw/rfm.h
View File

@ -25,8 +25,8 @@ typedef enum RFM_ERROR_TYPES {
typedef struct RFM {
spi_t spi;
gpio_t irq;
gpio_t reset;
dio_t irq;
dio_t reset;
} rfm_t;
typedef enum packet_format {

26
shift_register/shift_register.c
View File

@ -14,37 +14,37 @@ You should have received a copy of the GNU General Public License along with Lum
#include <base.h>
#include <shift_register.h>
void sr_strobe_line(gpio_t *line) {
set_line(line);
void sr_strobe_line(dio_t *line) {
dio_set(line, 1);
_delay_us(1);
clear_line(line);
dio_set(line, 0);
}
void sr_initialize(shift_register_t *reg) {
set_line_direction(&reg->output, LINE_OUT);
set_line_direction(&reg->shift_clock, LINE_OUT);
set_line_direction(&reg->latch_clock, LINE_OUT);
dio_set_direction(&reg->output, LINE_OUT);
dio_set_direction(&reg->shift_clock, LINE_OUT);
dio_set_direction(&reg->latch_clock, LINE_OUT);
clear_line(&reg->output);
clear_line(&reg->shift_clock);
clear_line(&reg->latch_clock);
dio_set(&reg->output, 0);
dio_set(&reg->shift_clock, 0);
dio_set(&reg->latch_clock, 0);
}
void sr_send_lsb(shift_register_t *reg, uint8_t byte) {
for (uint8_t i = 0; i < 8; i++) {
byte & _BV(i) ? set_line(&reg->output) : clear_line(&reg->output);
byte & _BV(i) ? dio_set(&reg->output, 1) : dio_set(&reg->output, 0);
sr_strobe_line(&reg->shift_clock);
}
clear_line(&reg->output);
dio_set(&reg->output, 0);
sr_strobe_line(&reg->latch_clock);
}
void sr_send_msb(shift_register_t *reg, uint8_t byte) {
for (int8_t i = 7; i >= 0; i--) {
byte & _BV(i) ? set_line(&reg->output) : clear_line(&reg->output);
byte & _BV(i) ? dio_set(&reg->output, 1) : dio_set(&reg->output, 0);
sr_strobe_line(&reg->shift_clock);
}
clear_line(&reg->output);
dio_set(&reg->output, 0);
sr_strobe_line(&reg->latch_clock);
}

6
shift_register/shift_register.h
View File

@ -17,9 +17,9 @@ You should have received a copy of the GNU General Public License along with Lum
#include <base.h>
typedef struct SHIFT_REGISTER {
gpio_t output;
gpio_t shift_clock;
gpio_t latch_clock;
dio_t output;
dio_t shift_clock;
dio_t latch_clock;
} shift_register_t;

19
sk9822/sk9822.c
View File

@ -12,33 +12,30 @@ You should have received a copy of the GNU General Public License along with Lum
#include "sk9822.h"
void send_byte(io_pin_t data_pin, io_pin_t clock_pin, uint8_t byte) {
void send_byte(dio_t data_pin, dio_t clock_pin, uint8_t byte) {
for (int i = 7; i >= 0; i--) {
if (byte & _BV(i)) {
(*data_pin.port) |= _BV(data_pin.pin);
} else {
(*data_pin.port) &= ~(_BV(data_pin.pin));
}
(*clock_pin.port) |= _BV(clock_pin.pin);
(*clock_pin.port) &= ~(_BV(clock_pin.pin));
dio_set(&data_pin, byte & _BV(i));
dio_set(&clock_pin, 1);
dio_set(&clock_pin, 0);
}
}
void send_start(io_pin_t data_pin, io_pin_t clock_pin) {
void send_start(dio_t data_pin, dio_t clock_pin) {
send_byte(data_pin, clock_pin, 0);
send_byte(data_pin, clock_pin, 0);
send_byte(data_pin, clock_pin, 0);
send_byte(data_pin, clock_pin, 0);
}
void send_term(io_pin_t data_pin, io_pin_t clock_pin) {
void send_term(dio_t data_pin, dio_t clock_pin) {
send_byte(data_pin, clock_pin, 0xff);
send_byte(data_pin, clock_pin, 0xff);
send_byte(data_pin, clock_pin, 0xff);
send_byte(data_pin, clock_pin, 0xff);
}
void send_pixels(io_pin_t data_pin, io_pin_t clock_pin, rgb_t * pixels, uint8_t count) {
void send_pixels(dio_t data_pin, dio_t clock_pin, rgb_t * pixels, uint8_t count) {
send_start(data_pin, clock_pin);
for (uint8_t i = 0; i < count; i++) {
send_byte(data_pin, clock_pin, 0xe0 + pixels[i].brightness);

2
sk9822/sk9822.h
View File

@ -23,6 +23,6 @@ typedef struct RGB_s {
uint8_t b;
} rgb_t;
void send_pixels(io_pin_t data_pin, io_pin_t clock_pin, rgb_t *pixels, uint8_t count);
void send_pixels(dio_t data_pin, dio_t clock_pin, rgb_t *pixels, uint8_t count);
#endif

33
spi/spi.c
View File

@ -15,20 +15,20 @@ You should have received a copy of the GNU General Public License along with Lum
#include <util/delay.h>
void spi_initialize(spi_t *spi) {
set_line_direction(&spi->clock, LINE_OUT);
set_line_direction(&spi->data_out, LINE_OUT);
set_line_direction(&spi->data_in, LINE_IN);
set_line_direction(&spi->chip_select, LINE_OUT);
dio_set_direction(&spi->clock, LINE_OUT);
dio_set_direction(&spi->data_out, LINE_OUT);
dio_set_direction(&spi->data_in, LINE_IN);
dio_set_direction(&spi->chip_select, LINE_OUT);
set_line(&spi->chip_select);
dio_set(&spi->chip_select, 1);
}
void spi_acquire(spi_t *spi) {
clear_line(&spi->chip_select);
dio_set(&spi->chip_select, 0);
}
void spi_release(spi_t *spi) {
set_line(&spi->chip_select);
dio_set(&spi->chip_select, 1);
}
uint8_t spi_transceive(spi_t *spi, uint8_t output) {
@ -36,26 +36,19 @@ uint8_t spi_transceive(spi_t *spi, uint8_t output) {
int input_bit;
for (int i = 7; i >= 0; i--) {
clear_line(&spi->clock);
dio_set(&spi->clock, 0);
if (output & _BV(i)) {
set_line(&spi->data_out);
dio_set(&spi->data_out, 1);
} else {
clear_line(&spi->data_out);
dio_set(&spi->data_out, 0);
}
_delay_us(10);
set_line(&spi->clock);
input_bit = read_line(&spi->data_in);
dio_set(&spi->clock, 1);
input_bit = dio_read(&spi->data_in);
input = (input << 1) | input_bit;
_delay_us(10);
}
clear_line(&spi->clock);
dio_set(&spi->clock, 0);
_delay_us(10);
return input;
}
/*
void send_bytes(spi_t *line, u8 *byte, size_t length, u8 *input, size_t input_length) {
}
*/

8
spi/spi.h
View File

@ -18,10 +18,10 @@ You should have received a copy of the GNU General Public License along with Lum
#include <stdlib.h>
typedef struct SPI {
gpio_t clock;
gpio_t data_out;
gpio_t data_in;
gpio_t chip_select;
dio_t clock;
dio_t data_out;
dio_t data_in;
dio_t chip_select;
} spi_t;
void spi_initialize(spi_t *spi);