X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=carlfw%2Fsrc%2Fmain.c;h=80e7e21ee45cee6d807fd7813333db4b35d92df3;hb=1a2fbaf4f621cbb37f36637b1d4101f453474f7a;hp=574154bafd1faaba526feb007e3f3bbd3009d764;hpb=f47f2e5344e6a07531825af13337aee8fdd45c68;p=carl9170fw.git diff --git a/carlfw/src/main.c b/carlfw/src/main.c index 574154b..80e7e21 100644 --- a/carlfw/src/main.c +++ b/carlfw/src/main.c @@ -29,6 +29,7 @@ #include "printf.h" #include "gpio.h" #include "wl.h" +#include "rf.h" #include "usb.h" #define AR9170_WATCH_DOG_TIMER 0x100 @@ -45,17 +46,36 @@ static void timer_init(const unsigned int timer, const unsigned int interval) orl(AR9170_TIMER_REG_INTERRUPT, BIT(timer)); } -void clock_set(enum cpu_clock_t _clock, bool on) +void clock_set(enum cpu_clock_t clock_, bool on) { /* * Word of Warning! * This setting does more than just mess with the CPU Clock. * So watch out, if you need _stable_ timer interrupts. */ - - fw.ticks_per_msec = GET_VAL(AR9170_PWR_PLL_ADDAC_DIV, get(AR9170_PWR_REG_PLL_ADDAC)) >> 1; - - set(AR9170_PWR_REG_CLOCK_SEL, (uint32_t) ((on ? 0x70 : 0x600) | _clock)); +#ifdef CONFIG_CARL9170FW_RADIO_FUNCTIONS + if (fw.phy.frequency < 3000000) + set(AR9170_PWR_REG_PLL_ADDAC, 0x5163); + else + set(AR9170_PWR_REG_PLL_ADDAC, 0x5143); +#else + set(AR9170_PWR_REG_PLL_ADDAC, 0x5163); +#endif /* CONFIG_CARL9170FW_RADIO_FUNCTIONS */ + + fw.ticks_per_usec = GET_VAL(AR9170_PWR_PLL_ADDAC_DIV, + get(AR9170_PWR_REG_PLL_ADDAC)); + + set(AR9170_PWR_REG_CLOCK_SEL, (uint32_t) ((on ? 0x70 : 0x600) | clock_)); + + switch (clock_) { + case AHB_20_22MHZ: + fw.ticks_per_usec >>= 1; + case AHB_40MHZ_OSC: + case AHB_40_44MHZ: + fw.ticks_per_usec >>= 1; + case AHB_80_88MHZ: + break; + } } static void init(void) @@ -144,6 +164,27 @@ static void handle_timer(void) #undef HANDLER } +static void tally_update(void) +{ + unsigned int boff, time, delta; + + time = get_clock_counter(); + if (fw.phy.state == CARL9170_PHY_ON) { + delta = (time - fw.tally_clock); + + fw.tally.active += delta; + + boff = get(AR9170_MAC_REG_BACKOFF_STATUS); + if (boff & AR9170_MAC_BACKOFF_TX_PE) + fw.tally.tx_time += delta; + if (boff & AR9170_MAC_BACKOFF_CCA) + fw.tally.cca += delta; + } + + fw.tally_clock = time; + fw.counter++; +} + static void __noreturn main_loop(void) { /* main loop */ @@ -162,7 +203,7 @@ static void __noreturn main_loop(void) handle_timer(); - fw.counter++; + tally_update(); } } @@ -176,7 +217,7 @@ static void __noreturn main_loop(void) * we put _start() there with the linker script carl9170.lds. */ -void __section(boot) start(void) +void __section(boot) __noreturn __visible start(void) { clock_set(AHB_40MHZ_OSC, true);