guangzong/cur_stim
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Add ADC

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This commit is contained in:
Connie 2024-05-03 12:16:46 -04:00
parent af16954157
commit d8ca5614ab
2 changed files with 29 additions and 14 deletions
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2
Cargo.toml
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@ -10,7 +10,7 @@ edition = "2021"
[dependencies]
cortex-m = { version = "0.7.7" }
u5-lib = {git = "ssh://gitea@git.ggeta.com:2002/guangzong/u5_new.git", features = ["utils"], rev= "2f8448f9bf"}
u5-lib = {git = "ssh://gitea@git.ggeta.com:2002/guangzong/u5_new.git", features = ["utils"], rev= "c7bbfd1593"}
defmt = "0.3.6"
defmt-rtt = { version = "0.4.0" }
cortex-m-rt = { version = "0.7.3", default-features = false }

41
src/main.rs
View File

@ -49,12 +49,11 @@ fn i2c_send( i2c:&mut I2c, addr: u16, mut data: [u8; 2]) {
}
const POS_DAC_1_ADDR: u16 = 0x20;
const POS_DAC_2_ADDR: u16 = 0x60;
const NEG_DAC_1_ADDR: u16 = 0xA0;
const NEG_DAC_2_ADDR: u16 = 0xE0;
const DAC_REG_BASE: u8 = 0xF8;
const DAC_REG_1: u8 = 0xF8;
const DAC_REG_2: u8 = 0xF9;
const DAC_REG_3: u8 = 0xFA;
const DAC_REG_4: u8 = 0xFB;
#[task]
async fn async_main(spawner: Spawner) {
@ -67,17 +66,33 @@ async fn async_main(spawner: Spawner) {
s1.set_low();
s2.set_high();
s3.set_low();
s4.set_high();
s4.set_low();
s5.set_low();
let (mut i2c_plus, mut i2c_minus) = i2c_init();
for i in 0..4{
i2c_send(&mut i2c_plus, POS_DAC_1_ADDR, [DAC_REG_BASE + i, 0x50]);
}
for i in 0..4 {
i2c_send(&mut i2c_minus, POS_DAC_1_ADDR, [DAC_REG_BASE + i, 0x50]);
}
defmt::info!("i2c finished!");
// let (mut i2c_plus, mut i2c_minus) = i2c_init();
// for i in 0..4{
// i2c_send(&mut i2c_plus, POS_DAC_1_ADDR, [DAC_REG_BASE + i, 0xA8]);
// }
// for i in 0..4{
// i2c_send(&mut i2c_plus, POS_DAC_2_ADDR, [DAC_REG_BASE + i, 0xA8]);
// }
// for i in 0..4 {
// i2c_send(&mut i2c_minus, NEG_DAC_1_ADDR, [DAC_REG_BASE + i, 0x50]);
// }
// for i in 0..4 {
// i2c_send(&mut i2c_minus, NEG_DAC_2_ADDR, [DAC_REG_BASE + i, 0x50]);
// }
// defmt::info!("i2c finished!");
let tmp_adc = adc::ADC1;
tmp_adc.init();
let adc_pin = gpio::ADC1_IN5_PA0;
adc_pin.setup();
let res = tmp_adc.start_conversion_sw(5);
defmt::info!("adc value: {}", res);
loop {
green.toggle();