The unified diff between revisions [9f05a1eb..] and [4f22e7ef..] is displayed below. It can also be downloaded as a raw diff.
# # old_revision [9f05a1eb606ea1c0421aa4a0b25b83b4fe4a20c8] # new_revision [4f22e7ef7d3064e3b51a5b868a4722f3f13c747b] # # patch "interrupt.h" # from [04c04661f9d61779f82793ce9bc45c761f1ce63b] # to [bf362242c19f7cf4842e9f571d4e56915037d18d] # # patch "led.c" # from [c5ff1936310b87f8ddb877b8d60f17617f4daabd] # to [4451940c19abd23f90df9a9f1e14e01e21b8714e] # # patch "main.c" # from [cffbf353c53aca29609c39daadeb325f98328bd5] # to [dca584ff21fb033c2abff13cfb14db9c8c2c93c2] # # patch "timer.c" # from [80f539706b746c7f6a4cbc52c6ebe93064f0b7f9] # to [7124cf1b41c7dfff9aa12b521db3b19870d7c718] # # patch "timer.h" # from [22e6b547150be529a916f8f29060e07a0b1cd5a9] # to [35eaca1c3fe810fd864583e55e91ab518ea25bd5] # # patch "watchdog.c" # from [8398952deb37d8242fc858143c5e201321343c27] # to [97962bde1fc11e8fea8fae642ed8e0bcdd78468a] # ============================================================ --- interrupt.h 04c04661f9d61779f82793ce9bc45c761f1ce63b +++ interrupt.h bf362242c19f7cf4842e9f571d4e56915037d18d @@ -34,8 +34,8 @@ #define I_PRIORITY_I2C0 0 #define I_PRIORITY_UART0 1 -#define I_PRIORITY_TIMER0 2 -#define I_PRIORITY_TIMER1 3 +#define I_PRIORITY_TIMER3 2 +#define I_PRIORITY_TIMER0 3 #define interrupt_clear() do { VICVectAddr = 0xff; } while (0) ============================================================ --- led.c c5ff1936310b87f8ddb877b8d60f17617f4daabd +++ led.c 4451940c19abd23f90df9a9f1e14e01e21b8714e @@ -36,7 +36,7 @@ void led_update(void) led_set(led_next_state); led_next_state = !led_next_state; - led_next_time += *led_current_pointer * TIMER_MS; + led_next_time += *led_current_pointer * TIMER0_MS; led_current_pointer++; if (*led_current_pointer == 0) led_current_pointer = led_current_pattern; ============================================================ --- main.c cffbf353c53aca29609c39daadeb325f98328bd5 +++ main.c dca584ff21fb033c2abff13cfb14db9c8c2c93c2 @@ -22,12 +22,16 @@ void init_pins(void) void init_pins(void) { - PINSEL0 = 0x00a88055; /* P0.0 and P0.1 assigned to UART */ + PINSEL0 = 0x2a09a255; /* P0.0 and P0.1 assigned to UART */ /* P0.2 and P0.3 assigned to I2C */ + /* P0.4 and P0.6 assigned to CAP0.[12] */ /* P0.7 and P0.9 assigned to MAT2.[02] */ - /* P0.10 and P0.11 assigned to CAP1.[01] */ - PINSEL1 = 0x20000828; /* P0.21 and P0.30 assigned to MAT3.[03] */ - /* P0.17 and P0.18 assigned to CAP1.[23] */ + /* P0.8 assigned to UART1 */ + /* P0.12 and P0.13 assigned to MAT1.[01] */ + /* P0.14 assigned to SPI1 */ + + PINSEL1 = 0x00000540; /* P0.19 to P0.21 assigned to SPI1 */ + SCS = 1; FP0XDIR = 0x04000000; /* P0.26 is an output */ FP0XVAL = 0x0; ============================================================ --- timer.c 80f539706b746c7f6a4cbc52c6ebe93064f0b7f9 +++ timer.c 7124cf1b41c7dfff9aa12b521db3b19870d7c718 @@ -58,45 +58,50 @@ #define MR3S (1<<11) -volatile unsigned int timer1_rising[4]; -volatile unsigned int timer1_width[4]; +volatile unsigned int timer0_rising[4]; +volatile unsigned int timer0_width[4]; #ifdef TIMER_CPPM -volatile unsigned int timer1_cppm[8]; -volatile unsigned int timer1_cppm_chan = 0; -volatile unsigned int timer1_sync_timestamp; +volatile unsigned int timer0_cppm[8]; +volatile unsigned int timer0_cppm_chan = 0; +volatile unsigned int timer0_sync_timestamp; #endif unsigned int timer_map[] = {0, 1, 2, 3, 4, 5, 6, 7}; void __attribute__((interrupt("IRQ"))) timer_interrupt_handler(void); -void __attribute__((interrupt("IRQ"))) timer1_interrupt_handler(void); +void __attribute__((interrupt("IRQ"))) timer0_interrupt_handler(void); void timer_event_handler(void); +/* Timer 0 : Capture */ +/* Timer 1 : Output */ +/* Timer 2 : Output */ +/* Timer 3 : System */ + void init_timer(void) { - TREG(TCR) = TCR_ENABLE | TCR_RESET; + T3REG(TCR) = TCR_ENABLE | TCR_RESET; - TREG(CTCR) = 0; /* Use PCLK */ - TWREG(TC) = 0; - TWREG(PR) = TIMER_PRESCALE ; - TWREG(PC) = 0; + T3REG(CTCR) = 0; /* Use PCLK */ + T3WREG(TC) = 0; + T3WREG(PR) = TIMER_PRESCALE; + T3WREG(PC) = 0; - TREG(TCR) = TCR_ENABLE; + T3REG(TCR) = TCR_ENABLE; - interrupt_register(TIMER1, timer1_interrupt_handler); + interrupt_register(TIMER0, timer0_interrupt_handler); - T1REG(TCR) = TCR_ENABLE | TCR_RESET; + TREG(TCR) = TCR_ENABLE | TCR_RESET; - T1REG(CTCR) = 0; /* Use PCLK */ - T1WREG(TC) = 0; - T1WREG(PR) = TIMER_PRESCALE ; - T1WREG(PC) = 0; + TREG(CTCR) = 0; /* Use PCLK */ + TWREG(TC) = 0; + TWREG(PR) = TIMER0_PRESCALE; + TWREG(PC) = 0; - T1WREG(CCR) = 0x00000fff; + TWREG(CCR) = 0x00000fff; - T1REG(TCR) = TCR_ENABLE; + TREG(TCR) = TCR_ENABLE; T2REG(TCR) = TCR_ENABLE | TCR_RESET; T2REG(CTCR) = 0; /* Use PCLK */ @@ -105,36 +110,36 @@ void init_timer(void) T2WREG(TC) = 0; // Reset the counter T2WREG(MCR) = 0x0400; // Reset on MR3 match - T2WREG(PWM) = 0x0000000d; // Enable PWMs + T2WREG(PWM) = 0x00000005; // Enable PWMs T2WREG(MR3) = PWM_PERIOD; // Period duration /* This is chosen to be an invalid output. */ - T2WREG(MR1) = 1; // Pulse width + T2WREG(MR2) = 1; // Pulse width T2WREG(MR0) = 1; // Pulse width - T3REG(TCR) = TCR_ENABLE | TCR_RESET; - T3REG(CTCR) = 0; /* Use PCLK */ - T3WREG(PR) = 0; // Prescaling - T3WREG(PC) = 0; // Reset the prescale counter - T3WREG(TC) = 0; // Reset the counter + T1REG(TCR) = TCR_ENABLE | TCR_RESET; + T1REG(CTCR) = 0; /* Use PCLK */ + T1WREG(PR) = 0; // Prescaling + T1WREG(PC) = 0; // Reset the prescale counter + T1WREG(TC) = 0; // Reset the counter - T3WREG(MCR) = 0x0010; // Reset on MR1 match - T3WREG(PWM) = 0x0000000b; // Enable PWMs + T1WREG(MCR) = 0x0400; // Reset on MR3 match + T1WREG(PWM) = 0x00000003; // Enable PWMs - T3WREG(MR1) = PWM_PERIOD; // Period duration + T1WREG(MR3) = PWM_PERIOD; // Period duration /* This is chosen to be an invalid output. */ - T3WREG(MR3) = 1; // Pulse width - T3WREG(MR0) = 1; // Pulse width + T1WREG(MR1) = 1; // Pulse width + T1WREG(MR0) = 1; // Pulse width T2REG(TCR) = TCR_ENABLE; - T3REG(TCR) = TCR_ENABLE; + T1REG(TCR) = TCR_ENABLE; } unsigned int timer_read(void) { - return T1WREG(TC); + return TWREG(TC); } void timer_delay_clocks(unsigned int clocks) @@ -145,17 +150,17 @@ void timer_set_period(unsigned int perio void timer_set_period(unsigned int period) { - interrupt_register(TIMER0, timer_interrupt_handler); - TWREG(MR0) = period; - TWREG(MCR) = MR0I | MR0R; - TWREG(TC) = 0; + interrupt_register(TIMER3, timer_interrupt_handler); + T3WREG(MR0) = period; + T3WREG(MCR) = MR0I | MR0R; + T3WREG(TC) = 0; } void __attribute__((interrupt("IRQ"))) timer_interrupt_handler(void) { unsigned int ir; - ir = TREG(IR); - TREG(IR) = ir; + ir = T3REG(IR); + T3REG(IR) = ir; if (ir & (1<<0)) { /* Match channel 0 */ @@ -165,59 +170,43 @@ void __attribute__((interrupt("IRQ"))) t interrupt_clear(); } -void __attribute__((interrupt("IRQ"))) timer1_interrupt_handler(void) +void __attribute__((interrupt("IRQ"))) timer0_interrupt_handler(void) { unsigned int ir; unsigned int gpio; - ir = T1REG(IR); - T1REG(IR) = ir; + ir = TREG(IR); + TREG(IR) = ir; gpio = FP0XVAL; - if (ir & (1<<4)) { - /* Capture channel 0 */ - if (gpio & (1<<10)) { - timer1_rising[0] = T1WREG(CR0); + if (ir & (1<<5)) { + /* Capture channel 1 */ + if (gpio & (1<<4)) { + timer0_rising[0] = TWREG(CR1); } else { - timer1_width[0] = T1WREG(CR0) - timer1_rising[0]; + timer0_width[0] = TWREG(CR1) - timer0_rising[0]; #ifdef TIMER_CPPM - if (timer1_width[0] > TIMER_CPPM_SYNC) { - timer1_cppm_chan = 0; - timer1_sync_timestamp = timer1_rising[0]; + if (timer0_width[0] > TIMER_CPPM_SYNC) { + timer0_cppm_chan = 0; + timer0_sync_timestamp = timer0_rising[0]; } else { - if (timer1_cppm_chan < 8) { - timer1_cppm[timer1_cppm_chan] = - timer1_width[0]; - timer1_cppm_chan++; + if (timer0_cppm_chan < 8) { + timer0_cppm[timer0_cppm_chan] = + timer0_width[0]; + timer0_cppm_chan++; } } #endif } } - if (ir & (1<<5)) { - /* Capture channel 1 */ - if (gpio & (1<<11)) { - timer1_rising[1] = T1WREG(CR1); - } else { - timer1_width[1] = T1WREG(CR1) - timer1_rising[1]; - } - } if (ir & (1<<6)) { /* Capture channel 2 */ - if (gpio & (1<<17)) { - timer1_rising[2] = T1WREG(CR2); + if (gpio & (1<<6)) { + timer0_rising[1] = TWREG(CR2); } else { - timer1_width[2] = T1WREG(CR2) - timer1_rising[2]; + timer0_width[1] = TWREG(CR2) - timer0_rising[1]; } } - if (ir & (1<<7)) { - /* Capture channel 3 */ - if (gpio & (1<<18)) { - timer1_rising[3] = T1WREG(CR3); - } else { - timer1_width[3] = T1WREG(CR3) - timer1_rising[3]; - } - } interrupt_clear(); } @@ -225,16 +214,16 @@ bool timer_valid(int channel) { bool timer_valid(int channel) { channel = TIMER_CH(channel); /* Be careful here to ensure that this can't be in the past */ - unsigned int chtime = timer1_rising[channel]; /* Atomic */ - unsigned int time = T1WREG(TC); /* Atomic */ + unsigned int chtime = timer0_rising[channel]; /* Atomic */ + unsigned int time = TWREG(TC); /* Atomic */ return (time - chtime) < TIMER_INPUT_TIMEOUT; } #ifdef TIMER_CPPM bool timer_allvalid(void) { /* Be careful here to ensure that this can't be in the past */ - unsigned int chtime = timer1_sync_timestamp; /* Atomic */ - unsigned int time = T1WREG(TC); /* Atomic */ + unsigned int chtime = timer0_sync_timestamp; /* Atomic */ + unsigned int time = TWREG(TC); /* Atomic */ return (time - chtime) < TIMER_INPUT_TIMEOUT; } #else @@ -244,8 +233,8 @@ bool timer_allvalid(void) { int i; /* Be careful here to ensure that this can't be in the past */ for (i = 0; i < 4; i++) - chtime[i] = timer1_rising[i]; - time = T1WREG(TC); + chtime[i] = timer0_rising[i]; + time = TWREG(TC); for (i = 0; i < 4; i++) if ((time - chtime[i]) >= TIMER_INPUT_TIMEOUT) return FALSE; @@ -264,10 +253,10 @@ void timer_set_pwm_value(int channel, in T2WREG(MR0) = value; break; case 2: - T3WREG(MR3) = value; + T1WREG(MR0) = value; break; case 3: - T3WREG(MR0) = value; + T1WREG(MR1) = value; break; } } @@ -283,10 +272,10 @@ void timer_set_pwm_invalid(int channel) T2WREG(MR0) = value; break; case 2: - T3WREG(MR3) = value; + T1WREG(MR0) = value; break; case 3: - T3WREG(MR0) = value; + T1WREG(MR1) = value; break; } } ============================================================ --- timer.h 22e6b547150be529a916f8f29060e07a0b1cd5a9 +++ timer.h 35eaca1c3fe810fd864583e55e91ab518ea25bd5 @@ -4,12 +4,17 @@ #include "types.h" #define TIMER_PCLK 14745600 -#define TIMER_PRESCALE 0 +#define TIMER_PRESCALE 9215 +#define TIMER0_PRESCALE 0 #define TIMER_SECOND (TIMER_PCLK/(TIMER_PRESCALE+1)) #define TIMER_MS (TIMER_SECOND/1000) #define TIMER_US (TIMER_SECOND/1000000) +#define TIMER0_SECOND (TIMER_PCLK/(TIMER0_PRESCALE+1)) +#define TIMER0_MS (TIMER0_SECOND/1000) +#define TIMER0_US (TIMER0_SECOND/1000000) + #define PWM_MAX 14745 #if 0 #define PWM_PERIOD 58980 @@ -21,8 +26,8 @@ #define TIMER_CH(x) (timer_map[x]) -extern volatile unsigned int timer1_width[]; -extern volatile unsigned int timer1_cppm[]; +extern volatile unsigned int timer0_width[]; +extern volatile unsigned int timer0_cppm[]; extern unsigned int timer_map[]; void init_timer(void); @@ -34,12 +39,12 @@ bool timer_allvalid(void); bool timer_valid(int channel); bool timer_allvalid(void); -#define timer_delay_us(x) timer_delay_clocks((x)*TIMER_US) -#define timer_delay_ms(x) timer_delay_clocks((x)*TIMER_MS) +#define timer_delay_us(x) timer_delay_clocks((x)*TIMER0_US) +#define timer_delay_ms(x) timer_delay_clocks((x)*TIMER0_MS) #ifdef TIMER_CPPM -#define timer_input(ch) (timer1_cppm[TIMER_CH(ch)]) +#define timer_input(ch) (timer0_cppm[TIMER_CH(ch)]) #else -#define timer_input(ch) (timer1_width[TIMER_CH(ch)]) +#define timer_input(ch) (timer0_width[TIMER_CH(ch)]) #endif #endif /* __TIMER_H */ ============================================================ --- watchdog.c 8398952deb37d8242fc858143c5e201321343c27 +++ watchdog.c 97962bde1fc11e8fea8fae642ed8e0bcdd78468a @@ -13,13 +13,13 @@ * now, something's gone horribly wrong. */ -#define WATCHDOG_TIMEOUT (100 * TIMER_MS) +#define WATCHDOG_TIMEOUT (100 * TIMER0_MS) static unsigned int watchdog_last_seen[WATCHDOG_MODULES]; void watchdog_kick(unsigned int module) { - if (module > WATCHDOG_MODULES) + if (module >= WATCHDOG_MODULES) return; watchdog_last_seen[module] = timer_read(); }