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some I2C work

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This commit is contained in:
Joey Castillo 2021-08-04 18:33:40 -04:00
parent 15050f8ace
commit 021a901bc1
2 changed files with 58 additions and 7 deletions
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55
watch-library/watch/watch.c
View file

@ -24,7 +24,7 @@ static const uint8_t Character_Set[] =
0b00000000, //
0b00000000, // !
0b00100010, // "
0b00000000, // #
0b01100011, // # (degree symbol, hash mark doesn't fit)
0b00000000, // $
0b00000000, // %
0b01000100, // &
@ -33,9 +33,9 @@ static const uint8_t Character_Set[] =
0b00000000, // )
0b00000000, // *
0b11000000, // +
0b00010000, // ,
0b00000100, // ,
0b01000000, // -
0b00000100, // .
0b01000000, // .
0b00010010, // /
0b00111111, // 0
0b00000110, // 1
@ -138,7 +138,7 @@ void watch_enable_display() {
slcd_sync_enable(&SEGMENT_LCD_0);
}
void watch_display_pixel(uint8_t com, uint8_t seg) {
void watch_set_pixel(uint8_t com, uint8_t seg) {
slcd_sync_seg_on(&SEGMENT_LCD_0, SLCD_SEGID(com, seg));
}
@ -283,7 +283,7 @@ static void tick_callback(struct calendar_dev *const dev) {
tick_user_callback();
}
void watch_enable_tick_callback(ext_irq_cb_t callback) {
void watch_register_tick_callback(ext_irq_cb_t callback) {
tick_user_callback = callback;
_prescaler_register_callback(&CALENDAR_0.device, &tick_callback);
}
@ -367,6 +367,51 @@ void watch_i2c_receive(int16_t addr, uint8_t *buf, uint16_t length) {
io_read(I2C_0_io, buf, length);
}
void watch_i2c_write8(int16_t addr, uint8_t reg, uint8_t data) {
uint8_t buf[2];
buf[0] = reg;
buf[1] = data;
watch_i2c_send(addr, (uint8_t *)&buf, 2);
}
uint8_t watch_i2c_read8(int16_t addr, uint8_t reg) {
uint8_t data;
watch_i2c_send(addr, (uint8_t *)&reg, 1);
watch_i2c_receive(addr, (uint8_t *)&data, 1);
return data;
}
uint16_t watch_i2c_read16(int16_t addr, uint8_t reg) {
uint16_t data;
watch_i2c_send(addr, (uint8_t *)&reg, 1);
watch_i2c_receive(addr, (uint8_t *)&data, 2);
return data;
}
uint32_t watch_i2c_read24(int16_t addr, uint8_t reg) {
uint32_t data;
data = 0;
watch_i2c_send(addr, (uint8_t *)&reg, 1);
watch_i2c_receive(addr, (uint8_t *)&data, 3);
return data << 8;
}
uint32_t watch_i2c_read32(int16_t addr, uint8_t reg) {
uint32_t data;
watch_i2c_send(addr, (uint8_t *)&reg, 1);
watch_i2c_receive(addr, (uint8_t *)&data, 4);
return data;
}
//////////////////////////////////////////////////////////////////////////////////////////
// Deep Sleep

10
watch-library/watch/watch.h
View file

@ -8,7 +8,8 @@
void watch_init();
void watch_enable_display();
void watch_display_pixel(uint8_t com, uint8_t seg);
void watch_set_pixel(uint8_t com, uint8_t seg);
void watch_clear_pixel(uint8_t com, uint8_t seg);
void watch_display_string(char *string, uint8_t position);
void watch_enable_led(bool pwm);
@ -23,7 +24,7 @@ bool watch_rtc_is_enabled();
void watch_set_date_time(struct calendar_date_time date_time);
void watch_get_date_time(struct calendar_date_time *date_time);
void watch_enable_tick_callback(ext_irq_cb_t callback);
void watch_register_tick_callback(ext_irq_cb_t callback);
void watch_enable_analog(const uint8_t pin);
@ -44,6 +45,11 @@ struct io_descriptor *I2C_0_io;
void watch_enable_i2c();
void watch_i2c_send(int16_t addr, uint8_t *buf, uint16_t length);
void watch_i2c_receive(int16_t addr, uint8_t *buf, uint16_t length);
void watch_i2c_write8(int16_t addr, uint8_t reg, uint8_t data);
uint8_t watch_i2c_read8(int16_t addr, uint8_t reg);
uint16_t watch_i2c_read16(int16_t addr, uint8_t reg);
uint32_t watch_i2c_read24(int16_t addr, uint8_t reg);
uint32_t watch_i2c_read32(int16_t addr, uint8_t reg);
void watch_store_backup_data(uint32_t data, uint8_t reg);
uint32_t watch_get_backup_data(uint8_t reg);