Prepare 3.0.0-rc.1 release

Bump dependencies
Updated and formated changelog for the rc
Bump espflash and cargo-espflash version to 3.0.0-rc.1
Bump MSRV to 1.74

Tests

I've successfully finished a round of testing, where I tested:

Flashing and monitoring
Erasing and reading flash
Save-image and write-bin
Configuration file (locally and globally) See details test and results bellow.

Flash/Monitoring

Used a basic esp-template for all targets and also an esp-idf-tempalte in C3 and S3

ESP32
- cargo espflash flash -M
- espflash flash -M
- espflash monitor
ESP32-S2 (UART port)
- cargo espflash flash -M
- espflash flash -M
ESP32-S3 (UART, USB ports) - std and no_std app
- cargo espflash flash -M
- espflash flash -M
ESP32-C2 (26MHz and 40MHz)
- cargo espflash flash -M
- espflash flash -M
ESP32-C3 (UART, USB ports) ) - std and no_std app
- cargo espflash flash -M
- espflash flash -M
ESP32-C6 (UART, USB ports)
- cargo espflash flash -M
- espflash flash -M
ESP32-H2 (UART, USB ports)
- cargo espflash flash -M
- espflash flash -M

Erase/Read flash (On S3)

espflash read-flash 0 0x200 flash_content.bin && hexdump -C flash_content.bin

00000000  e9 04 02 20 08 99 3c 40  ee 00 00 00 09 00 00 00  |... ..<@........|
00000010  00 63 00 00 00 00 00 01  18 38 ce 3f 50 17 00 00  |.c.......8.?P...|
00000020  ff ff ff ff 1b 00 00 00  1b 00 00 00 1c 00 00 00  |................|
00000030  1c 00 00 00 28 50 04 00  f8 27 03 00 01 00 00 00  |....(P...'......|
00000040  00 f0 01 60 00 00 00 00  04 00 00 00 05 00 00 00  |...`............|
00000050  06 00 00 00 07 00 00 00  41 73 73 65 72 74 20 66  |........Assert f|
00000060  61 69 6c 65 64 20 69 6e  20 25 73 2c 20 25 73 3a  |ailed in %s, %s:|
00000070  25 64 20 28 25 73 29 0d  0a 00 61 62 6f 72 74 28  |%d (%s)...abort(|
00000080  29 20 77 61 73 20 63 61  6c 6c 65 64 20 61 74 20  |) was called at |
00000090  50 43 20 30 78 25 30 38  78 0d 0a 00 62 6f 6f 74  |PC 0x%08x...boot|
000000a0  00 1b 5b 30 3b 33 31 6d  45 20 28 25 6c 75 29 20  |..[0;31mE (%lu) |
000000b0  25 73 3a 20 6c 6f 61 64  20 70 61 72 74 69 74 69  |%s: load partiti|
000000c0  6f 6e 20 74 61 62 6c 65  20 65 72 72 6f 72 21 1b  |on table error!.|
000000d0  5b 30 6d 0a 00 20 69 73  20 6e 6f 74 20 62 6f 6f  |[0m.. is not boo|
000000e0  74 61 62 6c 65 00 1b 5b  30 3b 33 31 6d 45 20 28  |table..[0;31mE (|
000000f0  25 6c 75 29 20 25 73 3a  20 46 61 63 74 6f 72 79  |%lu) %s: Factory|
00000100  20 61 70 70 20 70 61 72  74 69 74 69 6f 6e 25 73  | app partition%s|
00000110  1b 5b 30 6d 0a 00 1b 5b  30 3b 33 31 6d 45 20 28  |.[0m...[0;31mE (|
00000120  25 6c 75 29 20 25 73 3a  20 46 61 63 74 6f 72 79  |%lu) %s: Factory|
00000130  20 74 65 73 74 20 61 70  70 20 70 61 72 74 69 74  | test app partit|
00000140  69 6f 6e 25 73 1b 5b 30  6d 0a 00 1b 5b 30 3b 33  |ion%s.[0m...[0;3|
00000150  31 6d 45 20 28 25 6c 75  29 20 25 73 3a 20 4f 54  |1mE (%lu) %s: OT|
00000160  41 20 61 70 70 20 70 61  72 74 69 74 69 6f 6e 20  |A app partition |
00000170  73 6c 6f 74 20 25 64 25  73 1b 5b 30 6d 0a 00 1b  |slot %d%s.[0m...|
00000180  5b 30 3b 33 32 6d 49 20  28 25 6c 75 29 20 25 73  |[0;32mI (%lu) %s|
00000190  3a 20 44 69 73 61 62 6c  69 6e 67 20 52 4e 47 20  |: Disabling RNG |
000001a0  65 61 72 6c 79 20 65 6e  74 72 6f 70 79 20 73 6f  |early entropy so|
000001b0  75 72 63 65 2e 2e 2e 1b  5b 30 6d 0a 00 44 52 4f  |urce....[0m..DRO|
000001c0  4d 00 1b 5b 30 3b 33 31  6d 45 20 28 25 6c 75 29  |M..[0;31mE (%lu)|
000001d0  20 25 73 3a 20 49 6d 61  67 65 20 63 6f 6e 74 61  | %s: Image conta|
000001e0  69 6e 73 20 6d 75 6c 74  69 70 6c 65 20 25 73 20  |ins multiple %s |
000001f0  73 65 67 6d 65 6e 74 73  2e 20 4f 6e 6c 79 20 74  |segments. Only t|
00000200

espflash erase-flash, then espflash read-flash 0 0x200 flash_content.bin && hexdump -C flash_content.bin:


❯ hexdump -C flash_content.bin
00000000  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|

00000200

Save-image/write-bin (ESP32)

espflash save-image --merge --chip esp32 app.bin
espflash write-bin 0x0 app.bin
espflash monitor

Configuration file (C3)

Local config file

Using the following <cwd>/espflash.toml:


baudrate = 460800
bootloader = "/home/sergio/Documents/Espressif/tests/confgi6/bootloader.bin"
partition_table = "/home/sergio/Documents/Espressif/tests/confgi6/partition-table.bin"

[connection]

[[usb_device]] vid = "303a" pid = "1001"

And using `RUST_LOG=debug cargo r`, we can spot the following:

... [2024-02-16T12:28:04Z DEBUG] Config: Config { baudrate: Some( 460800, ), bootloader: Some( "/home/sergio/Documents/Espressif/tests/confgi6/bootloader.bin", ), connection: Connection { serial: None, }, partition_table: Some( "/home/sergio/Documents/Espressif/tests/confgi6/partition-table.bin", ), usb_device: [ UsbDevice { vid: 12346, pid: 4097, }, ], save_path: "/home/sergio/Documents/Espressif/tests/config/espflash.toml", } ... Bootloader: /home/sergio/Documents/Espressif/tests/confgi6/bootloader.bin Partition table: /home/sergio/Documents/Espressif/tests/confgi6/partition-table.bin App/part. siz ... [2024-02-16T12:28:05Z DEBUG] Change baud to: 460800 ...


#### Global config file
- Using the following `$HOME/.config/espflash/espflash.toml`:
```toml
baudrate = 921600
bootloader = "/home/sergio/Documents/Espressif/tests/templates/std/esp32c3/target/riscv32imc-esp-espidf/debug/bootloader.bin"
partition_table = "/home/sergio/Documents/Espressif/tests/templates/std/esp32c3/target/riscv32imc-esp-espidf/debug/partition-table.bin"
[[usb_device]]
vid = "303a"
pid = "1001"

And using RUST_LOG=debug cargo r, we can spot the following:

...
[2024-02-16T12:33:36Z DEBUG] Config: Config {
        baudrate: Some(
            921600,
        ),
        bootloader: Some(
            "/home/sergio/Documents/Espressif/tests/templates/std/esp32c3/target/riscv32imc-esp-espidf/debug/bootloader.bin",
        ),
        connection: Connection {
            serial: None,
        },
        partition_table: Some(
            "/home/sergio/Documents/Espressif/tests/templates/std/esp32c3/target/riscv32imc-esp-espidf/debug/partition-table.bin",
        ),
        usb_device: [
            UsbDevice {
                vid: 12346,
                pid: 4097,
            },
        ],
        save_path: "/home/sergio/.config/espflash/espflash.toml",
    }
...
Bootloader:        /home/sergio/Documents/Espressif/tests/templates/std/esp32c3/target/riscv32imc-esp-espidf/debug/bootloader.bin
Partition table:   /home/sergio/Documents/Espressif/tests/templates/std/esp32c3/target/riscv32imc-esp-espidf/debug/partition-table.bin 
...
[2024-02-16T12:33:36Z DEBUG] Change baud to: 921600
...

esp-rs / espflash