stmhal: Exclude code for those timers that don't exist in the hardware.
This commit is contained in:
Damien George
parent
7d6595fd18
commit
c92c7a69fd
@ -212,6 +212,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(adc_read_obj, adc_read);
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/// print(val) # print the value out
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///
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/// This function does not allocate any memory.
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#if defined(TIM6)
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STATIC mp_obj_t adc_read_timed(mp_obj_t self_in, mp_obj_t buf_in, mp_obj_t freq_in) {
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pyb_obj_adc_t *self = self_in;
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@ -274,10 +275,13 @@ STATIC mp_obj_t adc_read_timed(mp_obj_t self_in, mp_obj_t buf_in, mp_obj_t freq_
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return mp_obj_new_int(bufinfo.len);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_3(adc_read_timed_obj, adc_read_timed);
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#endif
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STATIC const mp_map_elem_t adc_locals_dict_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR_read), (mp_obj_t)&adc_read_obj},
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#if defined(TIM6)
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{ MP_OBJ_NEW_QSTR(MP_QSTR_read_timed), (mp_obj_t)&adc_read_timed_obj},
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#endif
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};
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STATIC MP_DEFINE_CONST_DICT(adc_locals_dict, adc_locals_dict_table);
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12
stmhal/dac.c
12
stmhal/dac.c
@ -77,6 +77,7 @@ void dac_init(void) {
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HAL_DAC_Init(&DAC_Handle);
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}
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#if defined(TIM6)
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STATIC void TIM6_Config(uint freq) {
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// Init TIM6 at the required frequency (in Hz)
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timer_tim6_init(freq);
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@ -90,6 +91,7 @@ STATIC void TIM6_Config(uint freq) {
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// TIM6 start counter
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HAL_TIM_Base_Start(&TIM6_Handle);
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}
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#endif
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/******************************************************************************/
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// Micro Python bindings
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@ -167,6 +169,7 @@ STATIC mp_obj_t pyb_dac_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n
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return dac;
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}
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#if defined(TIM6)
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/// \method noise(freq)
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/// Generate a pseudo-random noise signal. A new random sample is written
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/// to the DAC output at the given frequency.
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@ -193,7 +196,9 @@ STATIC mp_obj_t pyb_dac_noise(mp_obj_t self_in, mp_obj_t freq) {
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(pyb_dac_noise_obj, pyb_dac_noise);
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#endif
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#if defined(TIM6)
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/// \method triangle(freq)
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/// Generate a triangle wave. The value on the DAC output changes at
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/// the given frequency, and the frequence of the repeating triangle wave
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@ -221,6 +226,7 @@ STATIC mp_obj_t pyb_dac_triangle(mp_obj_t self_in, mp_obj_t freq) {
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(pyb_dac_triangle_obj, pyb_dac_triangle);
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#endif
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/// \method write(value)
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/// Direct access to the DAC output (8 bit only at the moment).
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@ -242,6 +248,7 @@ STATIC mp_obj_t pyb_dac_write(mp_obj_t self_in, mp_obj_t val) {
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(pyb_dac_write_obj, pyb_dac_write);
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#if defined(TIM6)
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/// \method write_timed(data, freq, *, mode=DAC.NORMAL)
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/// Initiates a burst of RAM to DAC using a DMA transfer.
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/// The input data is treated as an array of bytes (8 bit data).
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@ -352,13 +359,16 @@ mp_obj_t pyb_dac_write_timed(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *k
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_KW(pyb_dac_write_timed_obj, 1, pyb_dac_write_timed);
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#endif
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STATIC const mp_map_elem_t pyb_dac_locals_dict_table[] = {
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// instance methods
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{ MP_OBJ_NEW_QSTR(MP_QSTR_write), (mp_obj_t)&pyb_dac_write_obj },
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#if defined(TIM6)
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{ MP_OBJ_NEW_QSTR(MP_QSTR_noise), (mp_obj_t)&pyb_dac_noise_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_triangle), (mp_obj_t)&pyb_dac_triangle_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_write), (mp_obj_t)&pyb_dac_write_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_write_timed), (mp_obj_t)&pyb_dac_write_timed_obj },
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#endif
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// class constants
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{ MP_OBJ_NEW_QSTR(MP_QSTR_NORMAL), MP_OBJ_NEW_SMALL_INT(DMA_NORMAL) },
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@ -223,6 +223,7 @@ void timer_tim5_init(void) {
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HAL_TIM_PWM_Init(&TIM5_Handle);
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}
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#if defined(TIM6)
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// Init TIM6 with a counter-overflow at the given frequency (given in Hz)
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// TIM6 is used by the DAC and ADC for auto sampling at a given frequency
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// This function inits but does not start the timer
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@ -247,6 +248,7 @@ void timer_tim6_init(uint freq) {
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TIM6_Handle.Init.CounterMode = TIM_COUNTERMODE_UP; // unused for TIM6
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HAL_TIM_Base_Init(&TIM6_Handle);
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}
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#endif
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// Interrupt dispatch
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void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) {
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@ -587,15 +589,27 @@ STATIC mp_obj_t pyb_timer_init_helper(pyb_timer_obj_t *self, mp_uint_t n_args, c
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case 3: __TIM3_CLK_ENABLE(); break;
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case 4: __TIM4_CLK_ENABLE(); break;
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case 5: __TIM5_CLK_ENABLE(); break;
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#if defined(TIM6)
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case 6: __TIM6_CLK_ENABLE(); break;
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#endif
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#if defined(TIM7)
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case 7: __TIM7_CLK_ENABLE(); break;
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#endif
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#if defined(TIM8)
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case 8: __TIM8_CLK_ENABLE(); break;
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#endif
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case 9: __TIM9_CLK_ENABLE(); break;
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case 10: __TIM10_CLK_ENABLE(); break;
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case 11: __TIM11_CLK_ENABLE(); break;
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#if defined(TIM12)
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case 12: __TIM12_CLK_ENABLE(); break;
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#endif
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#if defined(TIM13)
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case 13: __TIM13_CLK_ENABLE(); break;
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#endif
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#if defined(TIM14)
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case 14: __TIM14_CLK_ENABLE(); break;
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#endif
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}
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// set IRQ priority (if not a special timer)
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@ -643,15 +657,27 @@ STATIC mp_obj_t pyb_timer_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t
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case 3: nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "Timer 3 is for internal use only")); // TIM3 used for low-level stuff; go via regs if necessary
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case 4: tim->tim.Instance = TIM4; tim->irqn = TIM4_IRQn; break;
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case 5: tim->tim.Instance = TIM5; tim->irqn = TIM5_IRQn; tim->is_32bit = true; break;
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#if defined(TIM6)
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case 6: tim->tim.Instance = TIM6; tim->irqn = TIM6_DAC_IRQn; break;
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#endif
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#if defined(TIM7)
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case 7: tim->tim.Instance = TIM7; tim->irqn = TIM7_IRQn; break;
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#endif
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#if defined(TIM8)
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case 8: tim->tim.Instance = TIM8; tim->irqn = TIM8_UP_TIM13_IRQn; break;
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#endif
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case 9: tim->tim.Instance = TIM9; tim->irqn = TIM1_BRK_TIM9_IRQn; break;
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case 10: tim->tim.Instance = TIM10; tim->irqn = TIM1_UP_TIM10_IRQn; break;
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case 11: tim->tim.Instance = TIM11; tim->irqn = TIM1_TRG_COM_TIM11_IRQn; break;
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#if defined(TIM12)
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case 12: tim->tim.Instance = TIM12; tim->irqn = TIM8_BRK_TIM12_IRQn; break;
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#endif
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#if defined(TIM13)
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case 13: tim->tim.Instance = TIM13; tim->irqn = TIM8_UP_TIM13_IRQn; break;
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#endif
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#if defined(TIM14)
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case 14: tim->tim.Instance = TIM14; tim->irqn = TIM8_TRG_COM_TIM14_IRQn; break;
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#endif
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default: nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "Timer %d does not exist", tim->tim_id));
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}
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@ -986,7 +1012,10 @@ STATIC mp_obj_t pyb_timer_channel(mp_uint_t n_args, const mp_obj_t *pos_args, mp
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&& self->tim.Instance != TIM3
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&& self->tim.Instance != TIM4
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&& self->tim.Instance != TIM5
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&& self->tim.Instance != TIM8 ) {
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#if defined(TIM8)
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&& self->tim.Instance != TIM8
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#endif
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) {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "encoder not supported on timer %d", self->tim_id));
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}
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