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DMA support for Pi Pico rp2 port #7641

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DMA support for Pi Pico rp2 port #7641

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51a04b2
ports/rp2: DMA support for Pi Pico rp2 port (updated).
nickovs Sep 30, 2023
1ddc48d
ports/rp2: Removed DMAConfig, added control register packer function.
nickovs Oct 1, 2023
e9f2383
ports/rp2/rp2_dma.c: Added argument count check to DMA.pack_ctrl().
nickovs Oct 22, 2023
98a9068
ports/rp2/rp2_dma.c: Made registers memoryview writable again.
nickovs Oct 23, 2023
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2 changes: 2 additions & 0 deletions ports/rp2/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,7 @@ set(MICROPY_SOURCE_PORT
pendsv.c
rp2_flash.c
rp2_pio.c
rp2_dma.c
uart.c
usbd.c
msc_disk.c
Expand All @@ -162,6 +163,7 @@ set(MICROPY_SOURCE_QSTR
${MICROPY_PORT_DIR}/modos.c
${MICROPY_PORT_DIR}/rp2_flash.c
${MICROPY_PORT_DIR}/rp2_pio.c
${MICROPY_PORT_DIR}/rp2_dma.c
${CMAKE_BINARY_DIR}/pins_${MICROPY_BOARD}.c
)

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2 changes: 2 additions & 0 deletions ports/rp2/main.c
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Expand Up @@ -154,6 +154,7 @@ int main(int argc, char **argv) {
readline_init0();
machine_pin_init();
rp2_pio_init();
rp2_dma_init();
machine_i2s_init0();

#if MICROPY_PY_BLUETOOTH
Expand Down Expand Up @@ -202,6 +203,7 @@ int main(int argc, char **argv) {
#if MICROPY_PY_NETWORK
mod_network_deinit();
#endif
rp2_dma_deinit();
rp2_pio_deinit();
#if MICROPY_PY_BLUETOOTH
mp_bluetooth_deinit();
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1 change: 1 addition & 0 deletions ports/rp2/modrp2.c
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Expand Up @@ -87,6 +87,7 @@ STATIC const mp_rom_map_elem_t rp2_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_Flash), MP_ROM_PTR(&rp2_flash_type) },
{ MP_ROM_QSTR(MP_QSTR_PIO), MP_ROM_PTR(&rp2_pio_type) },
{ MP_ROM_QSTR(MP_QSTR_StateMachine), MP_ROM_PTR(&rp2_state_machine_type) },
{ MP_ROM_QSTR(MP_QSTR_DMA), MP_ROM_PTR(&rp2_dma_type) },
{ MP_ROM_QSTR(MP_QSTR_bootsel_button), MP_ROM_PTR(&rp2_bootsel_button_obj) },

#if MICROPY_PY_NETWORK_CYW43
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4 changes: 4 additions & 0 deletions ports/rp2/modrp2.h
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Expand Up @@ -31,8 +31,12 @@
extern const mp_obj_type_t rp2_flash_type;
extern const mp_obj_type_t rp2_pio_type;
extern const mp_obj_type_t rp2_state_machine_type;
extern const mp_obj_type_t rp2_dma_type;

void rp2_pio_init(void);
void rp2_pio_deinit(void);

void rp2_dma_init(void);
void rp2_dma_deinit(void);

#endif // MICROPY_INCLUDED_RP2_MODRP2_H
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