void lsl (uint8_t *data, size_t len) {
for (size_t n = 0; n < len - 1; n++) {
data[n] = (data[n] << 1) | (data[n+1] >> 7);
void lsl (uint8_t *data, size_t len) {
for (size_t n = 0; n < len - 1; n++) {
data[n] = (data[n] << 1) | (data[n+1] >> 7);
// fast clock
AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKDIS; // timer disable
AT91C_BASE_TC0->TC_CMR = AT91C_TC_CLKS_TIMER_DIV3_CLOCK | // MCK(48MHz)/32 -- tick=1.5mks
// fast clock
AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKDIS; // timer disable
AT91C_BASE_TC0->TC_CMR = AT91C_TC_CLKS_TIMER_DIV3_CLOCK | // MCK(48MHz)/32 -- tick=1.5mks
- AT91C_TC_WAVE | AT91C_TC_WAVESEL_UP_AUTO | AT91C_TC_ACPA_CLEAR |
- AT91C_TC_ACPC_SET | AT91C_TC_ASWTRG_SET;
+ AT91C_TC_WAVE | AT91C_TC_WAVESEL_UP_AUTO | AT91C_TC_ACPA_CLEAR |
+ AT91C_TC_ACPC_SET | AT91C_TC_ASWTRG_SET;
- uint32_t tmp_count;
- tmp_count = (AT91C_BASE_TC2->TC_CV << 16) | AT91C_BASE_TC0->TC_CV;
- if ((tmp_count & 0x0000ffff) == 0) { //small chance that we may have missed an increment in TC2
+ uint32_t tmp_count = (AT91C_BASE_TC2->TC_CV << 16) | AT91C_BASE_TC0->TC_CV;
+ if ((tmp_count & 0x0000ffff) == 0) //small chance that we may have missed an increment in TC2