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Update some comments

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This commit is contained in:
Ondrej Jirman 2021-06-16 14:44:18 +02:00
parent 2e29c24145
commit b9b02a5e73
1 changed files with 7 additions and 3 deletions
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firmware/main.c
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@ -270,6 +270,9 @@ static uint8_t i2c_regs[I2C_N_REGS] = {0xaa, 0x55};
static uint8_t i2c_cmd[I2C_N_REGS];
static uint8_t i2c_cmd_len = 0;
//XXX: how to determine end of I2C transaction from the interrupt?
//XXX: we need this to be able to determine when it's safe to go back to sleep/power down
void i2c_b_interupt(void) __interrupt(IRQ_I2CB)
{
uint8_t saved_page = PAGESW;
@ -410,11 +413,12 @@ void main(void)
//uint16_t ticks = 0;
while (1) {
if (!run_tasks) {
// power down
// power down (timers don't work in power-down)
//PCON |= BIT(1);
// go to idle CPU mode when there's nothing to do
// go to idle CPU mode when there's nothing to do (doesn't help much)
// switching to LOSC may work better
//PCON |= BIT(0);
__asm__("nop");
continue;
}