8000 Pre Release Ameba MicroPython V1.1.0 - part2 (#4) · cwt/micropython@c566f5f · GitHub
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Pre Release Ameba MicroPython V1.1.0 - part2 (micropython#4)
* [Add Ameba port] Add Ameba specific port src and dependency [Update linker] Update linker to resolve RAM shortage * [Add ignored files] add archive lib and pre-built binaries * [Multiple updates] Add ameba sdk as submodule, add postbild tool src, add amebad_tool, update makefile, relocate linker script * [Update Makefile] Update makefile to be compatible with all OS when extracting embedded toolchain * [Support and API] Add support for AMB23 RTL8722DM and update peripheral APIs - Add hardware support for AMB23 RTL8722DM (Previously known as RTL8722DM_MINI) - Update peripheral API for standardization - - timer - - ADC - - PWM(WIP) - Add Flash module to the port * [Pin/GPIO] Standardize Pin module API - Add new API and constants - Fix a bug found with REPL under readline.c * [PWM] Standardize PWM module API - Add machine_pwm.c from extmod as the micropython pwm binding - Add and update API to work like RP2 port * [UART] Standardize UART module API - Add new API and removing some existing ones - Update API to comply with RP2 style * [I2C] Standardize I2C module API - Re-structure the I2C module to make use of the generic I2C MicroPython binding - Add, remove and update API with be like RP2 style * [SPI] Standardize SPI module API - Re-structure the SPI module to make use of the MicroPython generic bindings - Add, remove and update API to be like RP2 style * [Readme] Update Readme to include more details - Update README.md to include more details - minor updates to i2c and timer module API * [README] Update README.md to provide more info about AMB23 * Pre Release Ameba MicroPython V1.1.0 - v2 - Update SDK and libs - Optimize memory usage and eliminate dependency on PSRAM Co-authored-by: ambiot <ambiot123@gmail.com>
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‎README.md

Lines changed: 11 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -204,10 +204,10 @@ PWM(pin_name[required], unit_id[optional])
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```
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Use help(PWM) to view more information about this class
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207-
Note: For RTL8722DM, PWM is only supported on the following pins,
207+
Note: For AMB21(RTL8722DM), PWM is only supported on the following pins,
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PA_23, PA_24, PA_25, PA_26
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210-
For MINI board,
210+
For AMB23(MINI) board,
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PB_4, PB_5, PB_7, PA_12, PA_13, PA_23, PA_24, PA_28, PA_30
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@@ -324,13 +324,13 @@ PS: Leaving all parameters except tx and rx blank will set the uart to default v
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| timeout | 10 ms
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| flowCtrl | -1
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327-
Note: There are 2 sets of uart, they are
327+
For AMB21(RTL8722DM), there are 2 sets of uart, they are
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| unit | TX | RX
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|:-----|:------:|:-------:
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| 0 | PA_21 | PA_22
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| 3 | PA_26 | PA_25
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333-
For MINI board, they are
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For AMB23(MINI) board,
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| unit | TX | RX
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|:-----|:------:|:-------:
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| 0 | PA_21 | PA_22
@@ -348,7 +348,8 @@ Note: I2C only works in ```master``` mode.
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```Python
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from machine import Pin, I2C
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i2c = I2C(scl = "PA_25", sda = "PA_26", freq=100000) # configure I2C with pins and freq. of 100KHz
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i2c = I2C(scl = "PA_25", sda = "PA_26", freq=100000) # configure I2C with pins and freq of 100KHz for AMB21
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# i2c = I2C(scl = "PA_31", sda = "PB_0", freq=100000) # configuration for AMB23(MINI)
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i2c.scan()
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i2c.writeto(8,bytes([123])) # send 1 byte to slave with address 8 with integer '123'
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i2c.writeto(8,str("asf")) # send a 3 bytes string to slave
@@ -395,12 +396,12 @@ PS: Leaving optional parameters blank will will assume taking default values whi
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| unit_id | 0
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| frequency | 100000 Hz
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There is currently 1 set of I2C, it is
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For AMB21(RTL8722DM), there is currently 1 set of I2C, it is
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| unit | sda | scl
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|:-----|:------:|:------:
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| 0 | PA_26 | PA_25
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For MINI board,
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For AMB23(MINI) board,
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| unit | sda | scl
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|:-----|:------:|:------:
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| 0 | PB_0 | PA_31
@@ -414,8 +415,7 @@ Use the ```SPI``` (Serial Peripheral Interface) module through ```machine``` mod
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```Python
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from machine import SPI
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spi = SPI(1) # Only support 2 sets of SPI -- 0 and 1
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spi # type instance name to check for details of the SPI set
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spi = SPI(1) # Only support 2 sets of SPI -- 0 and 1, for connection please refer to the table below
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spi.write(bytes([123])) # Write number 123
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spi.read()
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```
@@ -462,13 +462,13 @@ PS: Leaving optional parameters blank will assume taking default values which ar
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| sck | N.A.
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| mode | Master
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465-
There is currently 2 set of SPI, they are,
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For AMB21(RTL8722DM), there is currently 2 set of SPI, they are,
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| unit | mosi | miso | SCK | CS
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|:-----|:------:|:-------:|:-----:|:-----:
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| 0 | PB_18 | PB_19 | PB_20 | PB_21
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| 1 | PB_4 | PB_5 | PB_6 | PB_7
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For MINI board,
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For AMB23(MINI) board,
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| unit | mosi | miso | SCK | CS
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|:-----|:------:|:-------:|:-----:|:-----:
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| 1 | PA_12 | PA_13 | PA_14 | PA_15

‎main.c

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Original file line numberDiff line numberDiff line change
@@ -139,6 +139,11 @@ int main (void) {
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app_mbedtls_rom_init();
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#endif
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//For all amebad boards, Analog pin needs to pull none. GPIO_PuPd_NOPULL/GPIO_PuPd_DOWN/GPIO_PuPd_UP
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PAD_PullCtrl(_PB_1, GPIO_PuPd_NOPULL);
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PAD_PullCtrl(_PB_2, GPIO_PuPd_NOPULL);
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PAD_PullCtrl(_PB_3, GPIO_PuPd_NOPULL);
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/*
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struct task_struct stUpyTask;
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BaseType_t xReturn = rtw_create_task(&stUpyTask, MICROPY_TASK_NAME,

‎mp_helper/mods/modsocket.c

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@@ -270,7 +270,9 @@ int getHostByName(const char* aHostname)
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{
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ip_addr_t ip_addr;
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err_t err;
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err = netconn_gethostbyname(aHostname, &ip_addr);
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//err = netconn_gethostbyname_addrtype(aHostname, &ip_addr, NETCONN_DNS_IPV4); // ipv6 xxm
275+
err = netconn_gethostbyname(aHostname, &ip_addr); // ipv4
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if (err != ERR_OK) {
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return WL_FAILURE;

‎mpconfigport.h

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@@ -197,7 +197,9 @@ extern const struct _mp_obj_module_t mp_network_module;
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#define MICROPY_WLAN_AP_DEFAULT_SSID "YourSSID"
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#define MICROPY_WLAN_AP_DEFAULT_PASS "YourPSWD"
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#define MP_HEAP_SIZE (180 * 1024)
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// Heap size for Garbage Collector
201+
#define MP_HEAP_SIZE (16 * 1024)
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//#define MP_HEAP_SIZE (180 * 1024) // xxm
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//#define MP_HEAP_SIZE (1124 * 1024)
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#define MICROPY_TASK_NAME "MicroPython"

‎rlx8721d_img2_is_micropython.ld

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@@ -75,7 +75,7 @@ SECTIONS
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{
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__bss_start__ = .;
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*(.bss*)
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/* *(COMMON) */
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*(COMMON)
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__bss_end__ = .;
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} > BD_RAM_NS
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@@ -96,7 +96,7 @@ SECTIONS
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*(.heap.stdlib*)
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. = . + 4096;
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__bfsram_end__ = .;
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} > PSRAM_NS
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} > BD_RAM_NS
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.xip_image2.text :
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{
@@ -128,35 +128,23 @@ SECTIONS
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{
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__psram_image2_text_start__ = .;
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*(.psram.text*)
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*/py/*.o(.text*)
132-
*/lib/*.o(.text*)
133-
*/extmod/*.o(.text*)
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__psram_image2_text_end__ = .;
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} > PSRAM_NS
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.psram_image2.data :
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{
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. = ALIGN (32);
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*(.psram.data*)
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*/py/*.o(.data*)
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*/lib/*.o(.data*)
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*/extmod/*.o(.data*)
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. = ALIGN (32);
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*(.psram.rodata*)
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*/py/*.o(.rodata*)
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*/lib/*.o(.rodata*)
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*/extmod/*.o(.rodata*)
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} > PSRAM_NS
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151142
.psram_image2.bss :
152143
{
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. = ALIGN (32);
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__psram_bss_start__ = .;
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*(.psram.bss*)
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*/py/*.o(.bss*)
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*/lib/*.o(.bss*)
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*/extmod/*.o(.bss*)
159-
*(COMMON)
147+
/* *(COMMON) */
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__psram_bss_end__ = .;
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} > PSRAM_NS
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