X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Flpc%2Fao_beep_lpc.c;h=eab86ee644ebe44b92e6deee77828dc5809bc661;hb=refs%2Fheads%2Fmaster;hp=ae5caa26d88b76fee2f566f2d489776b12a6d4c1;hpb=f35d18ca773a109fea572ee1e7134bdc5c4bce14;p=fw%2Faltos diff --git a/src/lpc/ao_beep_lpc.c b/src/lpc/ao_beep_lpc.c index ae5caa26..32e108cd 100644 --- a/src/lpc/ao_beep_lpc.c +++ b/src/lpc/ao_beep_lpc.c @@ -18,57 +18,64 @@ #include "ao.h" -#define _cat(a,b) a##b -#define cat(a,b) _cat(a,b) +#define _cat2(a,b) a##b +#define cat2(a,b) _cat2(a,b) #define _cat4(a,b,c,d) a##b##c##d #define cat4(a,b,c,d) _cat4(a,b,c,d) #define _cat8(a,b,c,d,e,f,g,h) a##b##c##d##e##f##g##h #define cat8(a,b,c,d,e,f,g,h) _cat8(a,b,c,d,e,f,g,h) -#define AO_TIMER_CLKCTRL cat(LPC_SCB_SYSAHBCLKCTRL_CT32B, BEEPER_TIMER) -#define AO_TIMER cat(lpc_ct32b, BEEPER_TIMER) -#define AO_TIMER_EMC cat(LPC_CT32B_EMR_EMC, BEEPER_OUTPUT) -#define AO_TIMER_PIO cat4(pio, BEEPER_PORT, _, BEEPER_PIN) -/* LPC_IOCONF_FUNC_PIO0_14_CT32B1_MAT1 */ -#define AO_TIMER_FUNC cat8(LPC_IOCONF_FUNC_PIO, BEEPER_PORT, _, BEEPER_PIN, _CT32B, BEEPER_TIMER, _MAT, BEEPER_OUTPUT) -#define AO_TIMER_PWM cat(LPC_CT32B_PWMC_PWMEN, BEEPER_OUTPUT) +#ifndef AO_LPC_BEEP_TIMER +#define AO_LPC_BEEP_TIMER 1 +#define AO_LPC_BEEP_CHANNEL 1 +#define AO_LPC_BEEP_PORT 0 +#define AO_LPC_BEEP_PIN 14 +#endif + +#define AO_LPC_CT_BEEP cat2(lpc_ct32b, AO_LPC_BEEP_TIMER) +#define AO_LPC_CT_BEEP_CLKCTRL cat2(LPC_SCB_SYSAHBCLKCTRL_CT32B, AO_LPC_BEEP_TIMER) +#define AO_LPC_CT_BEEP_EMR cat2(LPC_CT32B_EMR_EMC, AO_LPC_BEEP_CHANNEL) +#define AO_LPC_CT_BEEP_MR AO_LPC_BEEP_CHANNEL +#define AO_LPC_CT_BEEP_PWMC cat2(LPC_CT32B_PWMC_PWMEN, AO_LPC_BEEP_CHANNEL) +#define AO_LPC_CT_BEEP_IOCONF cat4(pio,AO_LPC_BEEP_PORT,_,AO_LPC_BEEP_PIN) +#define AO_LPC_CT_BEEP_FUNC cat8(LPC_IOCONF_FUNC_PIO,AO_LPC_BEEP_PORT,_,AO_LPC_BEEP_PIN,_CT32B,AO_LPC_BEEP_TIMER,_MAT,AO_LPC_BEEP_CHANNEL) void ao_beep(uint8_t beep) { if (beep == 0) { - AO_TIMER.tcr = ((0 << LPC_CT32B_TCR_CEN) | + AO_LPC_CT_BEEP.tcr = ((0 << LPC_CT32B_TCR_CEN) | (1 << LPC_CT32B_TCR_CRST)); - lpc_scb.sysahbclkctrl &= ~(1UL << AO_TIMER_CLKCTRL); + lpc_scb.sysahbclkctrl &= ~(1UL << AO_LPC_CT_BEEP_CLKCTRL); } else { - lpc_scb.sysahbclkctrl |= (1 << AO_TIMER_CLKCTRL); + lpc_scb.sysahbclkctrl |= (1UL << AO_LPC_CT_BEEP_CLKCTRL); /* Set prescaler to match cc1111 clocks */ - AO_TIMER.pr = AO_LPC_SYSCLK / 750000 - 1; + AO_LPC_CT_BEEP.pr = AO_LPC_SYSCLK / 750000 - 1; /* Write the desired data in the match registers */ /* Reset after two time units */ - AO_TIMER.mr[0] = beep << 1; + AO_LPC_CT_BEEP.mr[0] = beep << 1; /* PWM width is half of that */ - AO_TIMER.mr[BEEPER_OUTPUT] = beep; + AO_LPC_CT_BEEP.mr[AO_LPC_CT_BEEP_MR] = beep; /* Flip output on PWM match */ - AO_TIMER.emr = (LPC_CT32B_EMR_EMC_TOGGLE << AO_TIMER_EMC); + AO_LPC_CT_BEEP.emr = (LPC_CT32B_EMR_EMC_TOGGLE << AO_LPC_CT_BEEP_EMR); /* Reset on match 0 */ - AO_TIMER.mcr = (1 << LPC_CT32B_MCR_MR0R); + AO_LPC_CT_BEEP.mcr = (1 << LPC_CT32B_MCR_MR0R); /* PWM on match */ - AO_TIMER.pwmc = (1 << AO_TIMER_PWM); + AO_LPC_CT_BEEP.pwmc = (1 << AO_LPC_CT_BEEP_PWMC); /* timer mode */ - AO_TIMER.ctcr = 0; + AO_LPC_CT_BEEP.ctcr = 0; /* And turn the timer on */ - AO_TIMER.tcr = ((1 << LPC_CT32B_TCR_CEN) | + AO_LPC_CT_BEEP.tcr = ((1 << LPC_CT32B_TCR_CEN) | (0 << LPC_CT32B_TCR_CRST)); } } @@ -84,10 +91,20 @@ ao_beep_for(uint8_t beep, AO_TICK_TYPE ticks) void ao_beep_init(void) { - lpc_ioconf.AO_TIMER_PIO = ((AO_TIMER_FUNC << LPC_IOCONF_FUNC) | + /* Our beeper is on c32b1_mat1 + * which is on pin pio0_14 + */ + + lpc_ioconf.AO_LPC_CT_BEEP_IOCONF = ((AO_LPC_CT_BEEP_FUNC << LPC_IOCONF_FUNC) | (LPC_IOCONF_MODE_INACTIVE << LPC_IOCONF_MODE) | (0 << LPC_IOCONF_HYS) | (0 << LPC_IOCONF_INV) | (1 << LPC_IOCONF_ADMODE) | (0 << LPC_IOCONF_OD)); + + lpc_scb.sysahbclkctrl |= (1 << AO_LPC_CT_BEEP_CLKCTRL); + + /* Disable the counter and reset the value */ + AO_LPC_CT_BEEP.tcr = ((0 << LPC_CT32B_TCR_CEN) | + (1 << LPC_CT32B_TCR_CRST)); }