stm: Remove long-obsolete stm/ port.

1 files changed, 0 insertions, 130 deletions

diff --git a/stm/rtc.c b/stm/rtc.c
deleted file mode 100644
index a6ce64f94a..0000000000
--- a/stm/rtc.c
+++ /dev/null
@@ -1,130 +0,0 @@
-#include <stdio.h>
-#include <stm32f4xx.h>
-
-#include "misc.h"
-#include "mpconfig.h"
-#include "qstr.h"
-#include "obj.h"
-#include "systick.h"
-#include "rtc.h"
-
-machine_uint_t rtc_info;
-
-#define RTC_INFO_USE_EXISTING (0)
-#define RTC_INFO_USE_LSE (1)
-#define RTC_INFO_USE_LSI (3)
-
-void rtc_init(void) {
-    // Enable the PWR clock
-    RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
-
-    // Allow access to RTC
-    PWR_BackupAccessCmd(ENABLE);
-
-    if (RTC_ReadBackupRegister(RTC_BKP_DR0) == 0x32F2) {
-        // RTC still alive, so don't re-init it
-        // wait for RTC APB register synchronisation
-        RTC_WaitForSynchro();
-        rtc_info = RTC_INFO_USE_EXISTING;
-        return;
-    }
-
-    uint32_t timeout = 10000000;
-
-    // Enable the PWR clock
-    RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR, ENABLE);
-
-    // Allow access to RTC
-    PWR_BackupAccessCmd(ENABLE);
-
-    // Enable the LSE OSC
-    RCC_LSEConfig(RCC_LSE_ON);
-
-    // Wait till LSE is ready
-    machine_uint_t sys_tick = sys_tick_counter;
-    while((RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET) && (--timeout > 0)) {
-    }
-
-    // record how long it took for the RTC to start up
-    rtc_info = (sys_tick_counter - sys_tick) << 2;
-
-    // If LSE timed out, use LSI instead
-    if (timeout == 0) {
-        // Disable the LSE OSC
-        RCC_LSEConfig(RCC_LSE_OFF);
-
-        // Enable the LSI OSC
-        RCC_LSICmd(ENABLE);
-
-        // Wait till LSI is ready
-        while(RCC_GetFlagStatus(RCC_FLAG_LSIRDY) == RESET) {
-        }
-
-        // Use LSI as the RTC Clock Source
-        RCC_RTCCLKConfig(RCC_RTCCLKSource_LSI);
-
-        // record that we are using the LSI
-        rtc_info |= RTC_INFO_USE_LSI;
-    } else {
-        // Use LSE as the RTC Clock Source
-        RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
-
-        // record that we are using the LSE
-        rtc_info |= RTC_INFO_USE_LSE;
-    }
-
-    // Note: LSI is around (32KHz), these dividers should work either way
-    // ck_spre(1Hz) = RTCCLK(LSE) /(uwAsynchPrediv + 1)*(uwSynchPrediv + 1)
-    uint32_t uwSynchPrediv = 0xFF;
-    uint32_t uwAsynchPrediv = 0x7F;
-
-    // Enable the RTC Clock
-    RCC_RTCCLKCmd(ENABLE);
-
-    // Wait for RTC APB registers synchronisation
-    RTC_WaitForSynchro();
-
-    // Configure the RTC data register and RTC prescaler
-    RTC_InitTypeDef RTC_InitStructure;
-    RTC_InitStructure.RTC_AsynchPrediv = uwAsynchPrediv;
-    RTC_InitStructure.RTC_SynchPrediv = uwSynchPrediv;
-    RTC_InitStructure.RTC_HourFormat = RTC_HourFormat_24;
-    RTC_Init(&RTC_InitStructure);
-
-    // Set the date (BCD)
-    RTC_DateTypeDef RTC_DateStructure;
-    RTC_DateStructure.RTC_Year = 0x13;
-    RTC_DateStructure.RTC_Month = RTC_Month_October;
-    RTC_DateStructure.RTC_Date = 0x26;
-    RTC_DateStructure.RTC_WeekDay = RTC_Weekday_Saturday;
-    RTC_SetDate(RTC_Format_BCD, &RTC_DateStructure);
-
-    // Set the time (BCD)
-    RTC_TimeTypeDef RTC_TimeStructure;
-    RTC_TimeStructure.RTC_H12     = RTC_H12_AM;
-    RTC_TimeStructure.RTC_Hours   = 0x01;
-    RTC_TimeStructure.RTC_Minutes = 0x53;
-    RTC_TimeStructure.RTC_Seconds = 0x00;
-    RTC_SetTime(RTC_Format_BCD, &RTC_TimeStructure);
-
-    // Indicator for the RTC configuration
-    RTC_WriteBackupRegister(RTC_BKP_DR0, 0x32F2);
-}
-
-/******************************************************************************/
-// Micro Python bindings
-
-mp_obj_t pyb_rtc_info(void) {
-    return mp_obj_new_int(rtc_info);
-}
-
-MP_DEFINE_CONST_FUN_OBJ_0(pyb_rtc_info_obj, pyb_rtc_info);
-
-mp_obj_t pyb_rtc_read(void) {
-    RTC_TimeTypeDef RTC_TimeStructure;
-    RTC_GetTime(RTC_Format_BIN, &RTC_TimeStructure);
-    printf("%02d:%02d:%02d\n", RTC_TimeStructure.RTC_Hours, RTC_TimeStructure.RTC_Minutes, RTC_TimeStructure.RTC_Seconds);
-    return mp_const_none;
-}
-
-MP_DEFINE_CONST_FUN_OBJ_0(pyb_rtc_read_obj, pyb_rtc_read);