stm: Remove long-obsolete stm/ port.

1 files changed, 0 insertions, 98 deletions

diff --git a/stm/timer.c b/stm/timer.c
deleted file mode 100644
index 8d51de2cc1..0000000000
--- a/stm/timer.c
+++ /dev/null
@@ -1,98 +0,0 @@
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "stm_misc.h"
-#include "stm32f4xx_rcc.h"
-#include "stm32f4xx_tim.h"
-
-#include "mpconfig.h"
-#include "nlr.h"
-#include "misc.h"
-#include "qstr.h"
-#include "parse.h"
-#include "obj.h"
-#include "runtime.h"
-
-#include "timer.h"
-
-// TIM6 is used as an internal interrup to schedule something at a specific rate
-mp_obj_t timer_py_callback;
-
-mp_obj_t timer_py_set_callback(mp_obj_t f) {
-    timer_py_callback = f;
-    return mp_const_none;
-}
-
-mp_obj_t timer_py_set_period(mp_obj_t period) {
-    TIM6->ARR = mp_obj_get_int(period) & 0xffff;
-    return mp_const_none;
-}
-
-mp_obj_t timer_py_set_prescaler(mp_obj_t prescaler) {
-    TIM6->PSC = mp_obj_get_int(prescaler) & 0xffff;
-    return mp_const_none;
-}
-
-mp_obj_t timer_py_get_value(void) {
-    return mp_obj_new_int(TIM6->CNT & 0xfffff);
-}
-
-void timer_init(void) {
-    timer_py_callback = mp_const_none;
-
-    // TIM6 clock enable
-    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM6, ENABLE);
-
-    // Compute the prescaler value so TIM6 runs at 20kHz
-    uint16_t PrescalerValue = (uint16_t) ((SystemCoreClock / 2) / 20000) - 1;
-
-    // Time base configuration
-    TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
-    TIM_TimeBaseStructure.TIM_Period = 20000; // timer cycles at 1Hz
-    TIM_TimeBaseStructure.TIM_Prescaler = PrescalerValue;
-    TIM_TimeBaseStructure.TIM_ClockDivision = 0; // unused for TIM6
-    TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; // unused for TIM6
-    TIM_TimeBaseInit(TIM6, &TIM_TimeBaseStructure);
-
-    // enable perhipheral preload register
-    TIM_ARRPreloadConfig(TIM6, ENABLE);
-
-    // enable interrupt when counter overflows
-    TIM_ITConfig(TIM6, TIM_IT_Update, ENABLE);
-
-    // set up interrupt
-    NVIC_InitTypeDef NVIC_InitStructure;
-    NVIC_InitStructure.NVIC_IRQChannel = TIM6_DAC_IRQn;
-    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0f; // lowest priority
-    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0f; // lowest priority
-    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
-    NVIC_Init(&NVIC_InitStructure);
-
-    // TIM6 enable counter
-    TIM_Cmd(TIM6, ENABLE);
-
-    // Python interface
-    mp_obj_t m = mp_obj_new_module(QSTR_FROM_STR_STATIC("timer"));
-    mp_store_attr(m, QSTR_FROM_STR_STATIC("callback"), mp_make_function_n(1, timer_py_set_callback));
-    mp_store_attr(m, QSTR_FROM_STR_STATIC("period"), mp_make_function_n(1, timer_py_set_period));
-    mp_store_attr(m, QSTR_FROM_STR_STATIC("prescaler"), mp_make_function_n(1, timer_py_set_prescaler));
-    mp_store_attr(m, QSTR_FROM_STR_STATIC("value"), mp_make_function_n(0, timer_py_get_value));
-    mp_store_name(QSTR_FROM_STR_STATIC("timer"), m);
-}
-
-void timer_interrupt(void) {
-    if (timer_py_callback != mp_const_none) {
-        nlr_buf_t nlr;
-        if (nlr_push(&nlr) == 0) {
-            // XXX what to do if the GC is in the middle of running??
-            mp_call_function_0(timer_py_callback);
-            nlr_pop();
-        } else {
-            // uncaught exception
-            printf("exception in timer interrupt\n");
-            mp_obj_print((mp_obj_t)nlr.ret_val, PRINT_REPR);
-            printf("\n");
-        }
-    }
-}