Diff: targets/TARGET_TOSHIBA/TARGET_TMPM3HQ/sleep.c

Revision:

189:f392fc9709a3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_TOSHIBA/TARGET_TMPM3HQ/sleep.c	Wed Feb 20 22:31:08 2019 +0000
@@ -0,0 +1,85 @@
+/* mbed Microcontroller Library
+ * (C)Copyright TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION 2018 All rights reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "sleep_api.h"
+#include "gpio_include.h"
+
+static void warming_up_time(void);
+
+void hal_sleep(void)
+{
+    // Set low power consumption mode IDLE
+    TSB_CG->STBYCR = CG_STBY_MODE_IDLE;
+    __DSB(); // Enter idle mode
+    __WFI();
+}
+
+void hal_deepsleep(void)
+{
+    uint32_t tmp = 0;
+
+    TSB_CG_FSYSENB_IPENB31 = ENABLE;
+    while ((TSB_FC->SR0 & 0x01) != 0x01) {
+        // Flash wait
+    }
+
+    while (TSB_CG_WUPHCR_WUEF) {
+        // Wait for end of Warming-up for IHOSC1
+    }
+
+    TSB_CG_WUPHCR_WUCLK = DISABLE;
+    warming_up_time();
+    TSB_CG->STBYCR = CG_STBY_MODE_STOP1;
+    TSB_CG_PLL0SEL_PLL0SEL = DISABLE;
+
+    while (TSB_CG_PLL0SEL_PLL0ST) {
+        // Wait for PLL status of fsys until off state(fosc=0)
+    }
+
+    TSB_CG_PLL0SEL_PLL0ON = DISABLE;  // Stop PLL of fsys
+    TSB_CG_OSCCR_IHOSC1EN = ENABLE;
+    TSB_CG_OSCCR_OSCSEL   = DISABLE;
+
+    while (TSB_CG_OSCCR_OSCF) {
+        // Wait for fosc status until IHOSC1 = 0
+    }
+
+    tmp = TSB_CG->OSCCR;
+    tmp &= EXTERNEL_OSC_MASK;
+    TSB_CG->OSCCR = tmp;
+    TSB_CG_OSCCR_IHOSC2EN = DISABLE;
+
+    while (TSB_CG_OSCCR_IHOSC2F) {
+        // Wait for status of OFD until off "0"
+    }
+
+    __DSB();
+    __WFI();
+}
+
+static void warming_up_time(void)
+{
+    uint32_t work = 0;
+    uint64_t x    = 0;
+
+    x = (uint64_t)(IHOSC_CFG_WARM_UP_TIME * IHOSC_CFG_CLOCK);
+    x = (uint64_t)(x / (uint64_t)(1000000));
+
+    work =   (uint32_t)x;
+    work &=  (uint32_t)(0xFFFFFFF0);
+    work <<= 16;
+    work |=  (uint32_t)(TSB_CG->WUPHCR & ~CGWUPHCR_WUPT_HIGH_MASK);
+    TSB_CG->WUPHCR = work;
+}