diff --git a/drivers/bme68x/bme68x.cmake b/drivers/bme68x/bme68x.cmake index f1805d90..4f5c69f6 100644 --- a/drivers/bme68x/bme68x.cmake +++ b/drivers/bme68x/bme68x.cmake @@ -9,8 +9,6 @@ target_sources(${DRIVER_NAME} INTERFACE target_include_directories(${DRIVER_NAME} INTERFACE ${CMAKE_CURRENT_LIST_DIR}) target_include_directories(${DRIVER_NAME} INTERFACE ${CMAKE_CURRENT_LIST_DIR}/src) -# Pull in pico libraries that we need -target_link_libraries(${DRIVER_NAME} INTERFACE pico_stdlib hardware_i2c pimoroni_i2c) # We can't control the uninitialized result variables in the BME68X API # so demote unitialized to a warning for this target. diff --git a/drivers/bme68x/bme68x.cpp b/drivers/bme68x/bme68x.cpp index d6798826..159f8fa0 100644 --- a/drivers/bme68x/bme68x.cpp +++ b/drivers/bme68x/bme68x.cpp @@ -2,7 +2,7 @@ #include "pico/stdlib.h" namespace pimoroni { - bool BME68x::init() { + bool BME68X::init() { int8_t result = 0; if(interrupt != PIN_UNUSED) { @@ -32,7 +32,7 @@ namespace pimoroni { return true; } - bool BME68x::configure(uint8_t filter, uint8_t odr, uint8_t os_humidity, uint8_t os_pressure, uint8_t os_temp) { + bool BME68X::configure(uint8_t filter, uint8_t odr, uint8_t os_humidity, uint8_t os_pressure, uint8_t os_temp) { int8_t result; conf.filter = filter; @@ -48,7 +48,7 @@ namespace pimoroni { return true; } - bool BME68x::read_forced(bme68x_data *data) { + bool BME68X::read_forced(bme68x_data *data) { int8_t result = 0; uint8_t n_fields; uint32_t delay_period; @@ -79,7 +79,7 @@ namespace pimoroni { Will read profile_length results with the given temperatures and duration multipliers into the results array. Blocks until it has a valid result for each temp/duration, and returns the entire set in the given order. */ - bool BME68x::read_parallel(bme68x_data *results, uint16_t *profile_temps, uint16_t *profile_durations, size_t profile_length) { + bool BME68X::read_parallel(bme68x_data *results, uint16_t *profile_temps, uint16_t *profile_durations, size_t profile_length) { int8_t result; bme68x_data data[3]; // Parallel & Sequential mode read 3 simultaneous fields uint8_t n_fields; diff --git a/drivers/bme68x/bme68x.hpp b/drivers/bme68x/bme68x.hpp index cd1d497c..3b61743d 100644 --- a/drivers/bme68x/bme68x.hpp +++ b/drivers/bme68x/bme68x.hpp @@ -8,7 +8,7 @@ #include "stdio.h" namespace pimoroni { - class BME68x { + class BME68X { public: static const uint8_t DEFAULT_I2C_ADDRESS = 0x76; static const uint8_t ALTERNATE_I2C_ADDRESS = 0x77; @@ -25,13 +25,16 @@ namespace pimoroni { bool read_forced(bme68x_data *data); bool read_parallel(bme68x_data *results, uint16_t *profile_temps, uint16_t *profile_durations, size_t profile_length); - BME68x() : BME68x(new I2C()) {} - BME68x(uint8_t address, uint interrupt = PIN_UNUSED) : BME68x(new I2C(), address, interrupt) {} - BME68x(I2C *i2c, uint8_t address = DEFAULT_I2C_ADDRESS, uint interrupt = PIN_UNUSED) : i2c(i2c), address(address), interrupt(interrupt) {} + BME68X() : BME68X(new I2C()) {} + BME68X(uint8_t address, uint interrupt = PIN_UNUSED) : BME68X(new I2C(), address, interrupt) {} + BME68X(I2C *i2c, uint8_t address = DEFAULT_I2C_ADDRESS, uint interrupt = PIN_UNUSED) : i2c(i2c), address(address), interrupt(interrupt) {} + + I2C *get_i2c() {return i2c;} + uint get_int() {return PIN_UNUSED;} // Bindings for bme68x_dev static int write_bytes(uint8_t reg_addr, uint8_t *reg_data, uint32_t length, void *intf_ptr) { - BME68x::i2c_intf_ptr* i2c = (BME68x::i2c_intf_ptr *)intf_ptr; + BME68X::i2c_intf_ptr* i2c = (BME68X::i2c_intf_ptr *)intf_ptr; uint8_t buffer[length + 1]; buffer[0] = reg_addr; @@ -45,7 +48,7 @@ namespace pimoroni { }; static int read_bytes(uint8_t reg_addr, uint8_t *reg_data, uint32_t length, void *intf_ptr) { - BME68x::i2c_intf_ptr* i2c = (BME68x::i2c_intf_ptr *)intf_ptr; + BME68X::i2c_intf_ptr* i2c = (BME68X::i2c_intf_ptr *)intf_ptr; int result = i2c->i2c->write_blocking(i2c->address, ®_addr, 1, true); result = i2c->i2c->read_blocking(i2c->address, reg_data, length, false); diff --git a/examples/breakout_bme688/bme688_forced.cmake b/examples/breakout_bme688/bme688_forced.cmake index 444ba4a4..1123b85b 100644 --- a/examples/breakout_bme688/bme688_forced.cmake +++ b/examples/breakout_bme688/bme688_forced.cmake @@ -6,7 +6,7 @@ add_executable( ) # Pull in pico libraries that we need -target_link_libraries(${OUTPUT_NAME} pico_stdlib bme68x) +target_link_libraries(${OUTPUT_NAME} pico_stdlib hardware_i2c pimoroni_i2c bme68x) # create map/bin/hex file etc. pico_add_extra_outputs(${OUTPUT_NAME}) diff --git a/examples/breakout_bme688/bme688_forced.cpp b/examples/breakout_bme688/bme688_forced.cpp index 491a56c8..63855507 100644 --- a/examples/breakout_bme688/bme688_forced.cpp +++ b/examples/breakout_bme688/bme688_forced.cpp @@ -12,7 +12,7 @@ Read a single reading from the BME688 using namespace pimoroni; I2C i2c(BOARD::BREAKOUT_GARDEN); -BME68x bme68x(&i2c); +BME68X bme68x(&i2c); int main() { gpio_init(PICO_DEFAULT_LED_PIN); diff --git a/examples/breakout_bme688/bme688_parallel.cmake b/examples/breakout_bme688/bme688_parallel.cmake index 58e87871..baf72b29 100644 --- a/examples/breakout_bme688/bme688_parallel.cmake +++ b/examples/breakout_bme688/bme688_parallel.cmake @@ -6,7 +6,7 @@ add_executable( ) # Pull in pico libraries that we need -target_link_libraries(${OUTPUT_NAME} pico_stdlib bme68x) +target_link_libraries(${OUTPUT_NAME} pico_stdlib hardware_i2c pimoroni_i2c bme68x) # create map/bin/hex file etc. pico_add_extra_outputs(${OUTPUT_NAME}) diff --git a/examples/breakout_bme688/bme688_parallel.cpp b/examples/breakout_bme688/bme688_parallel.cpp index b0a770b6..b5bc0d73 100644 --- a/examples/breakout_bme688/bme688_parallel.cpp +++ b/examples/breakout_bme688/bme688_parallel.cpp @@ -13,7 +13,7 @@ Reading the full batch of readings will take some time. This seems to take ~10se using namespace pimoroni; I2C i2c(BOARD::BREAKOUT_GARDEN); -BME68x bme68x(&i2c); +BME68X bme68x(&i2c); constexpr uint16_t profile_length = 10; diff --git a/micropython/modules/breakout_bme68x/breakout_bme68x.c b/micropython/modules/breakout_bme68x/breakout_bme68x.c new file mode 100644 index 00000000..6bafeebc --- /dev/null +++ b/micropython/modules/breakout_bme68x/breakout_bme68x.c @@ -0,0 +1,46 @@ +#include "breakout_bme68x.h" + +//////////////////////////////////////////////////////////////////////////////////////////////////// +// BreakoutBME68X Class +//////////////////////////////////////////////////////////////////////////////////////////////////// + +/***** Methods *****/ +MP_DEFINE_CONST_FUN_OBJ_1(BreakoutBME68X_read_obj, BreakoutBME68X_read); + +/***** Binding of Methods *****/ +STATIC const mp_rom_map_elem_t BreakoutBME68X_locals_dict_table[] = { + { MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&BreakoutBME68X_read_obj) }, +}; +STATIC MP_DEFINE_CONST_DICT(BreakoutBME68X_locals_dict, BreakoutBME68X_locals_dict_table); + +/***** Class Definition *****/ +const mp_obj_type_t breakout_bme68x_BreakoutBME68X_type = { + { &mp_type_type }, + .name = MP_QSTR_breakout_bme68x, + .print = BreakoutBME68X_print, + .make_new = BreakoutBME68X_make_new, + .locals_dict = (mp_obj_dict_t*)&BreakoutBME68X_locals_dict, +}; + + +//////////////////////////////////////////////////////////////////////////////////////////////////// +// breakout_bme68x Module +//////////////////////////////////////////////////////////////////////////////////////////////////// + +/***** Globals Table *****/ +STATIC const mp_map_elem_t breakout_bme68x_globals_table[] = { + { MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_breakout_bme68x) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_BreakoutBME68X), (mp_obj_t)&breakout_bme68x_BreakoutBME68X_type }, +}; +STATIC MP_DEFINE_CONST_DICT(mp_module_breakout_bme68x_globals, breakout_bme68x_globals_table); + +/***** Module Definition *****/ +const mp_obj_module_t breakout_bme68x_user_cmodule = { + .base = { &mp_type_module }, + .globals = (mp_obj_dict_t*)&mp_module_breakout_bme68x_globals, +}; + +//////////////////////////////////////////////////////////////////////////////////////////////////// +MP_REGISTER_MODULE(MP_QSTR_breakout_bme68x, breakout_bme68x_user_cmodule, MODULE_BREAKOUT_BME68X_ENABLED); +//////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////// \ No newline at end of file diff --git a/micropython/modules/breakout_bme68x/breakout_bme68x.cpp b/micropython/modules/breakout_bme68x/breakout_bme68x.cpp new file mode 100644 index 00000000..475892c9 --- /dev/null +++ b/micropython/modules/breakout_bme68x/breakout_bme68x.cpp @@ -0,0 +1,105 @@ +#include "drivers/bme68x/bme68x.hpp" + +#define MP_OBJ_TO_PTR2(o, t) ((t *)(uintptr_t)(o)) + +// SDA/SCL on even/odd pins, I2C0/I2C1 on even/odd pairs of pins. +#define IS_VALID_SCL(i2c, pin) (((pin) & 1) == 1 && (((pin) & 2) >> 1) == (i2c)) +#define IS_VALID_SDA(i2c, pin) (((pin) & 1) == 0 && (((pin) & 2) >> 1) == (i2c)) + + +using namespace pimoroni; + +extern "C" { +#include "breakout_bme68x.h" +#include "pimoroni_i2c.h" + +/***** I2C Struct *****/ +typedef struct _PimoroniI2C_obj_t { + mp_obj_base_t base; + I2C *i2c; +} _PimoroniI2C_obj_t; + +/***** Variables Struct *****/ +typedef struct _breakout_bme68x_BreakoutBME68X_obj_t { + mp_obj_base_t base; + BME68X *breakout; +} breakout_bme68x_BreakoutBME68X_obj_t; + +/***** Print *****/ +void BreakoutBME68X_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) { + (void)kind; //Unused input parameter + breakout_bme68x_BreakoutBME68X_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_bme68x_BreakoutBME68X_obj_t); + BME68X* breakout = self->breakout; + mp_print_str(print, "BreakoutBME68X("); + + mp_print_str(print, "i2c = "); + mp_obj_print_helper(print, mp_obj_new_int((breakout->get_i2c()->get_i2c() == i2c0) ? 0 : 1), PRINT_REPR); + + mp_print_str(print, ", sda = "); + mp_obj_print_helper(print, mp_obj_new_int(breakout->get_i2c()->get_sda()), PRINT_REPR); + + mp_print_str(print, ", scl = "); + mp_obj_print_helper(print, mp_obj_new_int(breakout->get_i2c()->get_scl()), PRINT_REPR); + + mp_print_str(print, ", int = "); + mp_obj_print_helper(print, mp_obj_new_int(breakout->get_int()), PRINT_REPR); + + mp_print_str(print, ")"); +} + +/***** Constructor *****/ +mp_obj_t BreakoutBME68X_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) { + breakout_bme68x_BreakoutBME68X_obj_t *self = nullptr; + + enum { ARG_i2c, ARG_address, ARG_int }; + static const mp_arg_t allowed_args[] = { + { MP_QSTR_i2c, MP_ARG_OBJ, {.u_obj = nullptr} }, + { MP_QSTR_address, MP_ARG_INT, {.u_int = BME68X::DEFAULT_I2C_ADDRESS} }, + { MP_QSTR_interrupt, MP_ARG_INT, {.u_int = PIN_UNUSED} }, + }; + + // Parse args. + mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; + mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); + + + if(!MP_OBJ_IS_TYPE(args[ARG_i2c].u_obj, &PimoroniI2C_type)) { + mp_raise_ValueError(MP_ERROR_TEXT("BreakoutBME68X: Bad i2C object")); + return mp_const_none; + } + + _PimoroniI2C_obj_t *i2c = (_PimoroniI2C_obj_t *)MP_OBJ_TO_PTR(args[ARG_i2c].u_obj); + + self = m_new_obj(breakout_bme68x_BreakoutBME68X_obj_t); + self->base.type = &breakout_bme68x_BreakoutBME68X_type; + + self->breakout = new BME68X(i2c->i2c, args[ARG_address].u_int, args[ARG_int].u_int); + + if(!self->breakout->init()) { + mp_raise_msg(&mp_type_RuntimeError, "BreakoutBME68X: breakout not found when initialising"); + } + + return MP_OBJ_FROM_PTR(self); +} + +mp_obj_t BreakoutBME68X_read(mp_obj_t self_in) { + breakout_bme68x_BreakoutBME68X_obj_t *self = MP_OBJ_TO_PTR2(self_in, breakout_bme68x_BreakoutBME68X_obj_t); + bme68x_data result; + if(self->breakout->read_forced(&result)){ + mp_obj_t tuple[7]; + tuple[0] = mp_obj_new_float(result.temperature); + tuple[1] = mp_obj_new_float(result.pressure); + tuple[2] = mp_obj_new_float(result.humidity); + tuple[3] = mp_obj_new_float(result.gas_resistance); + tuple[4] = mp_obj_new_float(result.status); + tuple[5] = mp_obj_new_float(result.gas_index); + tuple[6] = mp_obj_new_float(result.meas_index); + return mp_obj_new_tuple(7, tuple); + } + else { + mp_raise_msg(&mp_type_RuntimeError, "BreakoutBME68X: failed read_forced"); + return mp_const_none; + } +} + +} \ No newline at end of file diff --git a/micropython/modules/breakout_bme68x/breakout_bme68x.h b/micropython/modules/breakout_bme68x/breakout_bme68x.h new file mode 100644 index 00000000..70c30dd1 --- /dev/null +++ b/micropython/modules/breakout_bme68x/breakout_bme68x.h @@ -0,0 +1,12 @@ +// Include MicroPython API. +#include "py/runtime.h" + +/***** Constants *****/ + +/***** Extern of Class Definition *****/ +extern const mp_obj_type_t breakout_bme68x_BreakoutBME68X_type; + +/***** Extern of Class Methods *****/ +extern void BreakoutBME68X_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind); +extern mp_obj_t BreakoutBME68X_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args); +extern mp_obj_t BreakoutBME68X_read(mp_obj_t self_in); \ No newline at end of file diff --git a/micropython/modules/breakout_bme68x/micropython.cmake b/micropython/modules/breakout_bme68x/micropython.cmake new file mode 100644 index 00000000..515dbc8a --- /dev/null +++ b/micropython/modules/breakout_bme68x/micropython.cmake @@ -0,0 +1,21 @@ +set(MOD_NAME breakout_bme68x) +string(TOUPPER ${MOD_NAME} MOD_NAME_UPPER) +add_library(usermod_${MOD_NAME} INTERFACE) + +target_sources(usermod_${MOD_NAME} INTERFACE + ${CMAKE_CURRENT_LIST_DIR}/${MOD_NAME}.c + ${CMAKE_CURRENT_LIST_DIR}/${MOD_NAME}.cpp +) + +include(drivers/bme68x/bme68x) +target_link_libraries(usermod_${MOD_NAME} INTERFACE bme68x) + +target_include_directories(usermod_${MOD_NAME} INTERFACE + ${CMAKE_CURRENT_LIST_DIR} +) + +target_compile_definitions(usermod_${MOD_NAME} INTERFACE + MODULE_${MOD_NAME_UPPER}_ENABLED=1 +) + +target_link_libraries(usermod INTERFACE usermod_${MOD_NAME}) \ No newline at end of file diff --git a/micropython/modules/breakout_bme68x/micropython.mk b/micropython/modules/breakout_bme68x/micropython.mk new file mode 100644 index 00000000..47d63bce --- /dev/null +++ b/micropython/modules/breakout_bme68x/micropython.mk @@ -0,0 +1,13 @@ +set(MOD_NAME breakout_bme68x) +BREAKOUT_MOD_DIR := $(USERMOD_DIR) + +# Add our source files to the respective variables. +SRC_USERMOD += $(BREAKOUT_MOD_DIR)/${MOD_NAME}.c +SRC_USERMOD_CXX += $(BREAKOUT_MOD_DIR)/${MOD_NAME}.cpp + +# Add our module directory to the include path. +CFLAGS_USERMOD += -I$(BREAKOUT_MOD_DIR) +CXXFLAGS_USERMOD += -I$(BREAKOUT_MOD_DIR) + +# We use C++ features so have to link against the standard library. +LDFLAGS_USERMOD += -lstdc++ \ No newline at end of file diff --git a/micropython/modules/micropython.cmake b/micropython/modules/micropython.cmake index 33dd2eec..616697f6 100644 --- a/micropython/modules/micropython.cmake +++ b/micropython/modules/micropython.cmake @@ -22,6 +22,7 @@ include(breakout_trackball/micropython) include(breakout_sgp30/micropython) include(breakout_colourlcd240x240/micropython) include(breakout_bh1745/micropython) +include(breakout_bme68x/micropython) include(pico_scroll/micropython) include(pico_rgb_keypad/micropython) @@ -29,4 +30,4 @@ include(pico_unicorn/micropython) include(pico_display/micropython) include(pico_explorer/micropython) include(pico_wireless/micropython) -include(ulab/code/micropython) \ No newline at end of file +include(ulab/code/micropython)