From 69ed847740e3efb5c5ff6319629c93d236150959 Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Fri, 23 Sep 2022 20:08:02 +0200
Subject: i2s driver fixed; added uart programming;

---
 fw/fe310/phone/Makefile |   6 +-
 fw/fe310/phone/flash.c  | 160 ++++++++++++++++++++++++++++++++++++++++++++++++
 fw/fe310/phone/flash.h  |   3 +
 fw/fe310/phone/main.c   |  18 +++++-
 fw/fe310/phone/phone.c  |   2 -
 fw/fe310/phone/test.c   |  23 ++++---
 fw/fe310/phone/test.h   |   1 +
 7 files changed, 196 insertions(+), 17 deletions(-)
 create mode 100644 fw/fe310/phone/flash.c
 create mode 100644 fw/fe310/phone/flash.h

(limited to 'fw/fe310/phone')

diff --git a/fw/fe310/phone/Makefile b/fw/fe310/phone/Makefile
index 8624962..65de081 100644
--- a/fw/fe310/phone/Makefile
+++ b/fw/fe310/phone/Makefile
@@ -1,5 +1,5 @@
 include ../common.mk
-DEPS = main.o mem.o wifi.o cell.o phone.o modem.o timer.o test.o
+DEPS = main.o mem.o wifi.o cell.o phone.o modem.o timer.o test.o flash.o
 
 lib_eos = eve eos eos-soc eos-dev eos-net eos-ext eos-bsp
 lib_ecp =
@@ -30,3 +30,7 @@ upload: $(TARGET)
 upload_jlink: $(TARGET)
 	$(OBJCOPY) $(TARGET) -O binary $(TARGET).bin
 	../bsp/upload --bin ./$(TARGET).bin --addr 0x20000000 --jlink JLinkExe
+
+upload_my: $(TARGET)
+	$(OBJCOPY) $(TARGET) -O binary $(TARGET).bin
+	../../../util/upload /dev/cu.usbserial-14140 $(TARGET).bin
diff --git a/fw/fe310/phone/flash.c b/fw/fe310/phone/flash.c
new file mode 100644
index 0000000..e78576a
--- /dev/null
+++ b/fw/fe310/phone/flash.c
@@ -0,0 +1,160 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <encoding.h>
+#include <platform.h>
+
+#include <eos.h>
+
+#include <soc/timer.h>
+#include <dev/flash.h>
+#include <eve/eve.h>
+#include <eve/eve_kbd.h>
+#include <eve/eve_font.h>
+
+#include <eve/screen/window.h>
+#include <eve/screen/page.h>
+#include <eve/screen/form.h>
+
+#include "app/app.h"
+#include "app/status.h"
+
+#include "flash.h"
+
+static const uint8_t magic[] =
+    {0x2D, 0xC0, 0x3B, 0x5F, 0xEA, 0xE3, 0x1A, 0x3A, 0x83, 0x11, 0x6A, 0x33, 0x98, 0x46, 0x1C, 0x47};
+
+#define ACK         0x05
+#define NACK        0x0A
+#define BLK_SIZE    256
+
+__attribute__ ((section (".itim")))
+static uint32_t crc32x(unsigned char *buf, size_t len, uint32_t crc) {
+    int i;
+
+    crc = ~crc;
+    while (len--) {
+        crc ^= *buf++;
+        for (i=0; i<8; i++) {
+            uint32_t t = ~((crc & 1) - 1);
+            crc = (crc >> 1) ^ (0xEDB88320 & t);
+        }
+    }
+
+    return ~crc;
+}
+
+__attribute__ ((section (".itim")))
+void flash_write(void) {
+    volatile uint32_t r;
+    uint32_t crc32, crc32_b;
+    uint32_t addr;
+    uint8_t buf[BLK_SIZE + 2 * sizeof(uint32_t)];
+    int i;
+
+    clear_csr(mstatus, MSTATUS_MIE);
+    SPI0_REG(SPI_REG_FCTRL) = 0;
+    SPI0_REG(SPI_REG_FMT) &= ~SPI_FMT_DIR(SPI_DIR_TX);
+
+    do {
+        for (i=0; i<sizeof(buf); i++) {
+            while ((r = UART0_REG(UART_REG_RXFIFO)) & 0x80000000);
+            buf[i] = r;
+        }
+
+        addr = 0;
+        addr |= (uint32_t)buf[0] << 24;
+        addr |= (uint32_t)buf[1] << 16;
+        addr |= (uint32_t)buf[2] << 8;
+        addr |= (uint32_t)buf[3];
+
+        crc32_b = 0;
+        crc32_b |= (uint32_t)buf[BLK_SIZE + 4] << 24;
+        crc32_b |= (uint32_t)buf[BLK_SIZE + 5] << 16;
+        crc32_b |= (uint32_t)buf[BLK_SIZE + 6] << 8;
+        crc32_b |= (uint32_t)buf[BLK_SIZE + 7];
+        crc32 = crc32x(buf, BLK_SIZE + sizeof(uint32_t), 0xffffffff);
+        if (crc32 != crc32_b) {
+            *buf = NACK;
+            goto write_rep;
+        }
+
+        if (addr != -1) {
+            if (addr % 4096 == 0) {
+                eos_flash_wren();
+                eos_flash_ser(addr);
+                eos_flash_wip();
+            }
+            eos_flash_wren();
+            eos_flash_pp(addr, buf + sizeof(uint32_t));
+            eos_flash_wip();
+        }
+        *buf = ACK;
+write_rep:
+        while (UART0_REG(UART_REG_TXFIFO) & 0x80000000);
+        UART0_REG(UART_REG_TXFIFO) = *buf;
+    } while (addr != -1);
+
+    while(1);
+}
+
+void flash_write_init(void) {
+    volatile uint32_t r;
+    uint8_t buf[sizeof(magic)];
+    int i;
+
+    while (!(UART0_REG(UART_REG_RXFIFO) & 0x80000000));
+    app_status_set_msg("READY!");
+    eve_window_root_draw(app_root());
+
+    for (i=0; i<sizeof(magic); i++) {
+        while ((r = UART0_REG(UART_REG_RXFIFO)) & 0x80000000);
+        buf[i] = r;
+    }
+    if (memcmp(buf, magic, sizeof(magic)) == 0) {
+        *buf = ACK;
+        app_status_set_msg("FLASH START");
+    } else {
+        *buf = NACK;
+        app_status_set_msg("FLASH FAIL");
+    }
+    eve_window_root_draw(app_root());
+
+    while (UART0_REG(UART_REG_TXFIFO) & 0x80000000);
+    UART0_REG(UART_REG_TXFIFO) = *buf;
+}
+
+int flash_app(EVEWindow *window, EVEViewStack *stack) {
+    EVEFormSpec spec[] = {
+        APP_SPACERW(1,1),
+    };
+    EVEPage *page = eve_form_create(window, stack, spec, APP_SPEC_SIZE(spec), flash_uievt, flash_close);
+    if (page == NULL) return EVE_ERR_NOMEM;
+
+    return EVE_OK;
+}
+
+int flash_uievt(EVEPage *page, uint16_t evt, void *param) {
+    int ret = 0;
+
+    switch (evt) {
+        case EVE_UIEVT_GEST_TOUCH: {
+            flash_write_init();
+            flash_write();
+            break;
+        }
+
+        default: {
+            ret = eve_form_uievt(page, evt, param);
+            break;
+        }
+    }
+
+    return ret;
+}
+
+void flash_close(EVEPage *page) {
+    eve_form_destroy(page);
+}
diff --git a/fw/fe310/phone/flash.h b/fw/fe310/phone/flash.h
new file mode 100644
index 0000000..7c6946b
--- /dev/null
+++ b/fw/fe310/phone/flash.h
@@ -0,0 +1,3 @@
+int flash_app(EVEWindow *window, EVEViewStack *stack);
+int flash_uievt(EVEPage *page, uint16_t evt, void *param);
+void flash_close(EVEPage *page);
diff --git a/fw/fe310/phone/main.c b/fw/fe310/phone/main.c
index 125a9d2..8696ebe 100644
--- a/fw/fe310/phone/main.c
+++ b/fw/fe310/phone/main.c
@@ -3,9 +3,14 @@
 #include <unistd.h>
 #include <string.h>
 
+#include <encoding.h>
+#include <platform.h>
 #include <prci_driver.h>
 
 #include <eos.h>
+#include <soc/pwr.h>
+#include <dev/flash.h>
+#include <dev/gt911.h>
 #include <dev/eve.h>
 
 #include <eve/eve.h>
@@ -23,6 +28,7 @@
 #include "phone.h"
 #include "modem.h"
 #include "timer.h"
+#include "flash.h"
 #include "test.h"
 
 static const uint32_t touch_matrix[6] = {0xf7ac,0x440,0x3e704,0xfffff718,0x108a3,0xfff76d42};
@@ -53,6 +59,12 @@ static int home_page(EVEWindow *window, EVEViewStack *stack) {
             .widget.tspec.page.title = "Timer",
             .widget.tspec.page.constructor = timer_app,
         },
+        {
+            .widget.type = EVE_WIDGET_TYPE_PAGE,
+            .widget.g.w = APP_SCREEN_W,
+            .widget.tspec.page.title = "Flash",
+            .widget.tspec.page.constructor = flash_app,
+        },
         {
             .widget.type = EVE_WIDGET_TYPE_PAGE,
             .widget.g.w = APP_SCREEN_W,
@@ -69,9 +81,8 @@ static int home_page(EVEWindow *window, EVEViewStack *stack) {
 
 void mem_print(void);
 
-#include <dev/gt911.h>
-
 int main() {
+    int i;
     uint8_t wakeup_cause;
 
     wakeup_cause = eos_init();
@@ -80,9 +91,12 @@ int main() {
 
     printf("FREQ:%lu\n", PRCI_get_cpu_freq());
     printf("\nREADY.\n");
+
     mem_print();
     eos_gt911_cfg_print();
 
+    // eos_flash_fast();
+
     wifi_init();
     cell_init();
     phone_init();
diff --git a/fw/fe310/phone/phone.c b/fw/fe310/phone/phone.c
index 53d36ae..a8d5a86 100644
--- a/fw/fe310/phone/phone.c
+++ b/fw/fe310/phone/phone.c
@@ -29,7 +29,6 @@ static uint8_t spk_arr[ABUF_SIZE];
 
 static unsigned char phone_state = 0;
 
-__attribute__ ((section (".itim")))
 static void handle_mic(unsigned char type) {
     uint16_t offset, size;
     unsigned char *buf;
@@ -39,7 +38,6 @@ static void handle_mic(unsigned char type) {
     eos_cell_send_buffer(buf, size, offset, 0);
 }
 
-__attribute__ ((section (".itim")))
 static void handle_cell_voice(unsigned char type, unsigned char *buffer, uint16_t len) {
     switch (type) {
         case EOS_CELL_MTYPE_VOICE_RING: {
diff --git a/fw/fe310/phone/test.c b/fw/fe310/phone/test.c
index df3871e..72f575f 100644
--- a/fw/fe310/phone/test.c
+++ b/fw/fe310/phone/test.c
@@ -28,6 +28,17 @@ static int reg_write(uint8_t reg, uint8_t data) {
     return eos_i2c_write8(BQ25895_ADDR, reg, &data, 1);
 }
 
+int test_app(EVEWindow *window, EVEViewStack *stack) {
+    EVEFormSpec spec[] = {
+        APP_SPACERW(1,1),
+    };
+    EVEPage *page = eve_form_create(window, stack, spec, APP_SPEC_SIZE(spec), test_uievt, test_close);
+    if (page == NULL) return EVE_ERR_NOMEM;
+    app_status_set_msg("TEST!");
+
+    return EVE_OK;
+}
+
 int test_uievt(EVEPage *page, uint16_t evt, void *param) {
     int ret = 0;
 
@@ -36,7 +47,6 @@ int test_uievt(EVEPage *page, uint16_t evt, void *param) {
             uint8_t data = 0;
             int rv, i;
 
-            printf("PAGE TOUCH\n");
             printf("BQ25895:\n");
             for (i=0; i<0x15; i++) {
                 rv = reg_read(i, &data);
@@ -54,17 +64,6 @@ int test_uievt(EVEPage *page, uint16_t evt, void *param) {
     return ret;
 }
 
-int test_app(EVEWindow *window, EVEViewStack *stack) {
-    EVEFormSpec spec[] = {
-        APP_SPACERW(1,1),
-    };
-    EVEPage *page = eve_form_create(window, stack, spec, APP_SPEC_SIZE(spec), test_uievt, test_close);
-    if (page == NULL) return EVE_ERR_NOMEM;
-    app_status_set_msg("TEST!");
-
-    return EVE_OK;
-}
-
 void test_close(EVEPage *page) {
     eve_form_destroy(page);
 }
diff --git a/fw/fe310/phone/test.h b/fw/fe310/phone/test.h
index 66b380d..61bc5e2 100644
--- a/fw/fe310/phone/test.h
+++ b/fw/fe310/phone/test.h
@@ -1,2 +1,3 @@
 int test_app(EVEWindow *window, EVEViewStack *stack);
+int test_uievt(EVEPage *page, uint16_t evt, void *param);
 void test_close(EVEPage *page);
\ No newline at end of file
-- 
cgit v1.2.3