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oem-baosec-lite support to bao-video

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remap pwm lock output. This reduces power consumption in
camera mode by removing an I/O conflict with the keyboard
scanner.
This commit is contained in:
bunnie 2026-01-24 23:51:22 +08:00
parent 00e70d8c1d
commit e329ebeb1d
2 changed files with 40 additions and 13 deletions
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1
services/bao-video/Cargo.toml
View file

@ -50,6 +50,7 @@ board-baosec = [
"blitstr2/board-baosec",
"no-gam",
]
oem-baosec-lite = ["bao1x-hal/oem-baosec-lite"]
hosted-baosec = ["bao1x-emu", "ux-api/hosted-baosec", "no-gam"]
# temporary feature - remove after we have properly created a camera control API

52
services/bao-video/src/main.rs
View file

@ -219,6 +219,11 @@ pub fn wrapped_main(main_thread_token: MainThreadToken) -> ! {
udma_global.udma_clock_config(PeriphId::Cam, true);
// ---- camera initialization
#[cfg(not(feature = "oem-baosec-lite"))]
let cam_clk = (IoxPort::PA, 0);
#[cfg(feature = "oem-baosec-lite")]
let cam_clk = (IoxPort::PA, 3);
#[cfg(not(feature = "hosted-baosec"))]
let (mut cam, cam_pdwn) = {
// wait for other inits to finish so we can do this roughly atomically
@ -242,8 +247,8 @@ pub fn wrapped_main(main_thread_token: MainThreadToken) -> ! {
// setup camera clock
iox.setup_pin(
IoxPort::PA,
0,
cam_clk.0,
cam_clk.1,
Some(IoxDir::Output),
Some(IoxFunction::AF3),
None,
@ -251,12 +256,24 @@ pub fn wrapped_main(main_thread_token: MainThreadToken) -> ! {
Some(IoxEnable::Disable),
Some(IoxDriveStrength::Drive8mA),
);
timer.wo(utra::pwm::REG_CH_EN, 1);
timer.rmwf(utra::pwm::REG_TIM0_CFG_R_TIMER0_SAW, 1);
timer.rmwf(utra::pwm::REG_TIM0_CH0_TH_R_TIMER0_CH0_TH, 0);
timer.rmwf(utra::pwm::REG_TIM0_CH0_TH_R_TIMER0_CH0_MODE, 3);
unsafe { timer.base().add(2).write_volatile(0) }; // for some reason the register extraction didn't get this register...
timer.rmwf(utra::pwm::REG_TIM0_CMD_R_TIMER0_START, 0);
#[cfg(not(feature = "oem-baosec-lite"))]
{
timer.wo(utra::pwm::REG_CH_EN, 1);
timer.rmwf(utra::pwm::REG_TIM0_CFG_R_TIMER0_SAW, 1);
timer.rmwf(utra::pwm::REG_TIM0_CH0_TH_R_TIMER0_CH0_TH, 0);
timer.rmwf(utra::pwm::REG_TIM0_CH0_TH_R_TIMER0_CH0_MODE, 3);
unsafe { timer.base().add(2).write_volatile(0) }; // for some reason the register extraction didn't get this register...
timer.rmwf(utra::pwm::REG_TIM0_CMD_R_TIMER0_START, 0);
}
#[cfg(feature = "oem-baosec-lite")]
{
timer.wo(utra::pwm::REG_CH_EN, 1);
timer.rmwf(utra::pwm::REG_TIM0_CFG_R_TIMER0_SAW, 1);
timer.rmwf(utra::pwm::REG_TIM0_CH3_TH_R_TIMER0_CH3_TH, 0);
timer.rmwf(utra::pwm::REG_TIM0_CH3_TH_R_TIMER0_CH3_MODE, 3);
unsafe { timer.base().add(2).write_volatile(0) }; // for some reason the register extraction didn't get this register...
timer.rmwf(utra::pwm::REG_TIM0_CMD_R_TIMER0_START, 0);
}
/* // register debug
for i in 0..12 {
println!("0x{:2x}: 0x{:08x}", i, unsafe { pwm.add(i).read_volatile() })
@ -297,7 +314,16 @@ pub fn wrapped_main(main_thread_token: MainThreadToken) -> ! {
tt.sleep_ms(2).ok();
timer.rmwf(utra::pwm::REG_TIM0_CMD_R_TIMER0_START, 0);
timer.wo(utra::pwm::REG_CH_EN, 0);
iox.setup_pin(IoxPort::PA, 0, Some(IoxDir::Input), Some(IoxFunction::Gpio), None, None, None, None);
iox.setup_pin(
cam_clk.0,
cam_clk.1,
Some(IoxDir::Input),
Some(IoxFunction::Gpio),
None,
None,
None,
None,
);
(cam, cam_pdwn)
};
@ -373,8 +399,8 @@ pub fn wrapped_main(main_thread_token: MainThreadToken) -> ! {
// power up the camera
// starts MCLK
iox.setup_pin(
IoxPort::PA,
0,
cam_clk.0,
cam_clk.1,
Some(IoxDir::Output),
Some(IoxFunction::AF3),
None,
@ -480,8 +506,8 @@ pub fn wrapped_main(main_thread_token: MainThreadToken) -> ! {
timer.rmwf(utra::pwm::REG_TIM0_CMD_R_TIMER0_START, 0);
timer.wo(utra::pwm::REG_CH_EN, 0);
iox.setup_pin(
IoxPort::PA,
0,
cam_clk.0,
cam_clk.1,
Some(IoxDir::Input),
Some(IoxFunction::Gpio),
None,