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-rw-r--r--cc3200/mods/pybtimer.c21
-rw-r--r--tests/wipy/timer.py117
-rw-r--r--tests/wipy/timer.py.exp52
3 files changed, 173 insertions, 17 deletions
diff --git a/cc3200/mods/pybtimer.c b/cc3200/mods/pybtimer.c
index 048b1795f..79dd9b5b9 100644
--- a/cc3200/mods/pybtimer.c
+++ b/cc3200/mods/pybtimer.c
@@ -252,17 +252,6 @@ STATIC void timer_channel_init (pyb_timer_channel_obj_t *ch) {
MAP_TimerMatchSet(ch->timer->timer, ch->channel, match);
MAP_TimerPrescaleMatchSet(ch->timer->timer, ch->channel, match >> 16);
}
- // configure the event edge type if we are in such mode
- else if ((ch->timer->config & 0x0F) == TIMER_CFG_A_CAP_COUNT || (ch->timer->config & 0x0F) == TIMER_CFG_A_CAP_TIME) {
- uint32_t polarity = TIMER_EVENT_BOTH_EDGES;
- if (ch->polarity == PYBTIMER_POLARITY_POS) {
- polarity = TIMER_EVENT_POS_EDGE;
- }
- else if (ch->polarity == PYBTIMER_POLARITY_NEG) {
- polarity = TIMER_EVENT_NEG_EDGE;
- }
- MAP_TimerControlEvent(ch->timer->timer, ch->channel, polarity);
- }
#ifdef DEBUG
// stall the timer when the processor is halted while debugging
@@ -292,7 +281,7 @@ STATIC void pyb_timer_print(const mp_print_t *print, mp_obj_t self_in, mp_print_
default:
break;
}
- mp_printf(print, "Timer(%u, mode=Timer.%q)", (tim->id + 1), mode_qst);
+ mp_printf(print, "Timer(%u, mode=Timer.%q)", tim->id, mode_qst);
}
STATIC mp_obj_t pyb_timer_init_helper(pyb_timer_obj_t *tim, mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
@@ -317,7 +306,7 @@ STATIC mp_obj_t pyb_timer_init_helper(pyb_timer_obj_t *tim, mp_uint_t n_args, co
}
bool is16bit = (args[1].u_int == 16);
- if (!is16bit && (_mode != TIMER_CFG_A_ONE_SHOT_UP && _mode != TIMER_CFG_A_PERIODIC_UP)) {
+ if (!is16bit && _mode == TIMER_CFG_A_PWM) {
// 32-bit mode is only available when in free running modes
goto error;
}
@@ -544,7 +533,7 @@ STATIC void pyb_timer_channel_print(const mp_print_t *print, mp_obj_t self_in, m
mp_printf(print, "timer.channel(Timer.%s, %q=%u", ch_id, MP_QSTR_freq, ch->frequency);
uint32_t mode = ch->timer->config & 0xFF;
- if (mode == TIMER_CFG_A_CAP_COUNT || mode == TIMER_CFG_A_CAP_TIME || mode == TIMER_CFG_A_PWM) {
+ if (mode == TIMER_CFG_A_PWM) {
mp_printf(print, ", %q=Timer.", MP_QSTR_polarity);
switch (ch->polarity) {
case PYBTIMER_POLARITY_POS:
@@ -557,9 +546,7 @@ STATIC void pyb_timer_channel_print(const mp_print_t *print, mp_obj_t self_in, m
mp_printf(print, "BOTH");
break;
}
- if (mode == TIMER_CFG_A_PWM) {
- mp_printf(print, ", %q=%u.%02u", MP_QSTR_duty_cycle, ch->duty_cycle / 100, ch->duty_cycle % 100);
- }
+ mp_printf(print, ", %q=%u.%02u", MP_QSTR_duty_cycle, ch->duty_cycle / 100, ch->duty_cycle % 100);
}
mp_printf(print, ")");
}
diff --git a/tests/wipy/timer.py b/tests/wipy/timer.py
new file mode 100644
index 000000000..f62899b47
--- /dev/null
+++ b/tests/wipy/timer.py
@@ -0,0 +1,117 @@
+'''
+Timer test for the CC3200 based boards.
+'''
+
+from machine import Timer
+import os
+import time
+
+mch = os.uname().machine
+if 'LaunchPad' in mch:
+ pwm_pin = ('GP24')
+elif 'WiPy' in mch:
+ pwm_pin = ('GP24')
+else:
+ raise Exception('Board not supported!')
+
+for i in range(4):
+ tim = Timer(i, mode=Timer.PERIODIC)
+ print(tim)
+ ch = tim.channel(Timer.A, freq=5)
+ print(ch)
+ ch = tim.channel(Timer.B, freq=5)
+ print(ch)
+ tim = Timer(i, mode=Timer.ONE_SHOT)
+ print(tim)
+ ch = tim.channel(Timer.A, freq=50)
+ print(ch)
+ ch = tim.channel(Timer.B, freq=50)
+ print(ch)
+ tim = Timer(i, mode=Timer.PWM)
+ print(tim)
+ ch = tim.channel(Timer.A, freq=50000, duty_cycle=2000, polarity=Timer.POSITIVE)
+ print(ch)
+ ch = tim.channel(Timer.B, freq=50000, duty_cycle=8000, polarity=Timer.NEGATIVE)
+ print(ch)
+ tim.deinit()
+ print(tim)
+
+for i in range(4):
+ tim = Timer(i, mode=Timer.PERIODIC)
+ tim.deinit()
+
+
+class TimerTest:
+ def __init__(self):
+ self.tim = Timer(0, mode=Timer.PERIODIC)
+ self.int_count = 0
+
+ def timer_isr(self, tim_ch):
+ self.int_count += 1
+
+timer_test = TimerTest()
+ch = timer_test.tim.channel(Timer.A, freq=5)
+print(ch.freq() == 5)
+ch.irq(handler=timer_test.timer_isr, trigger=Timer.TIMEOUT)
+time.sleep_ms(1001)
+print(timer_test.int_count == 5)
+
+ch.freq(100)
+timer_test.int_count = 0
+time.sleep_ms(1001)
+print(timer_test.int_count == 100)
+
+ch.freq(1000)
+time.sleep_ms(1500)
+timer_test.int_count = 0
+time.sleep_ms(2000)
+print(timer_test.int_count == 2000)
+
+timer_test.tim.deinit()
+timer_test.tim.init(mode=Timer.ONE_SHOT)
+ch = timer_test.tim.channel(Timer.A, period=100000)
+ch.irq(handler=timer_test.timer_isr, trigger=Timer.TIMEOUT)
+timer_test.int_count = 0
+time.sleep_ms(101)
+print(timer_test.int_count == 1)
+time.sleep_ms(101)
+print(timer_test.int_count == 1)
+timer_test.tim.deinit()
+print(timer_test.tim)
+
+# 32 bit modes
+tim = Timer(0, mode=Timer.PERIODIC, width=32)
+ch = tim.channel(Timer.A | Timer.B, period=5000000)
+
+# check for memory leaks...
+for i in range(1000):
+ tim = Timer(0, mode=Timer.PERIODIC)
+ ch = tim.channel(Timer.A, freq=5)
+
+# next ones must fail
+try:
+ tim = Timer(0, mode=12)
+except:
+ print('Exception')
+
+try:
+ tim = Timer(4, mode=Timer.ONE_SHOT)
+except:
+ print('Exception')
+
+try:
+ tim = Timer(0, mode=Timer.PWM, width=32)
+except:
+ print('Exception')
+
+tim = Timer(0, mode=Timer.PWM)
+
+try:
+ ch = tim.channel(TIMER_A | TIMER_B, freq=10)
+except:
+ print('Exception')
+
+try:
+ ch = tim.channel(TIMER_A, freq=4)
+except:
+ print('Exception')
diff --git a/tests/wipy/timer.py.exp b/tests/wipy/timer.py.exp
new file mode 100644
index 000000000..972d8198c
--- /dev/null
+++ b/tests/wipy/timer.py.exp
@@ -0,0 +1,52 @@
+Timer(0, mode=Timer.PERIODIC)
+timer.channel(Timer.A, freq=5)
+timer.channel(Timer.B, freq=5)
+Timer(0, mode=Timer.ONE_SHOT)
+timer.channel(Timer.A, freq=50)
+timer.channel(Timer.B, freq=50)
+Timer(0, mode=Timer.PWM)
+timer.channel(Timer.A, freq=50000, polarity=Timer.POSITIVE, duty_cycle=20.00)
+timer.channel(Timer.B, freq=50000, polarity=Timer.NEGATIVE, duty_cycle=80.00)
+Timer(0, mode=Timer.PWM)
+Timer(1, mode=Timer.PERIODIC)
+timer.channel(Timer.A, freq=5)
+timer.channel(Timer.B, freq=5)
+Timer(1, mode=Timer.ONE_SHOT)
+timer.channel(Timer.A, freq=50)
+timer.channel(Timer.B, freq=50)
+Timer(1, mode=Timer.PWM)
+timer.channel(Timer.A, freq=50000, polarity=Timer.POSITIVE, duty_cycle=20.00)
+timer.channel(Timer.B, freq=50000, polarity=Timer.NEGATIVE, duty_cycle=80.00)
+Timer(1, mode=Timer.PWM)
+Timer(2, mode=Timer.PERIODIC)
+timer.channel(Timer.A, freq=5)
+timer.channel(Timer.B, freq=5)
+Timer(2, mode=Timer.ONE_SHOT)
+timer.channel(Timer.A, freq=50)
+timer.channel(Timer.B, freq=50)
+Timer(2, mode=Timer.PWM)
+timer.channel(Timer.A, freq=50000, polarity=Timer.POSITIVE, duty_cycle=20.00)
+timer.channel(Timer.B, freq=50000, polarity=Timer.NEGATIVE, duty_cycle=80.00)
+Timer(2, mode=Timer.PWM)
+Timer(3, mode=Timer.PERIODIC)
+timer.channel(Timer.A, freq=5)
+timer.channel(Timer.B, freq=5)
+Timer(3, mode=Timer.ONE_SHOT)
+timer.channel(Timer.A, freq=50)
+timer.channel(Timer.B, freq=50)
+Timer(3, mode=Timer.PWM)
+timer.channel(Timer.A, freq=50000, polarity=Timer.POSITIVE, duty_cycle=20.00)
+timer.channel(Timer.B, freq=50000, polarity=Timer.NEGATIVE, duty_cycle=80.00)
+Timer(3, mode=Timer.PWM)
+True
+True
+True
+True
+True
+True
+Timer(0, mode=Timer.ONE_SHOT)
+Exception
+Exception
+Exception
+Exception
+Exception
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-11 07:47:04 +0000