djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

stm32/i2c: Add hardware I2C implementation for STM32L1.

Browse Source 
For STM32L1, hardware I2C can be implemented the same as STM32F4 for
machine.I2C.

Tested on NUCLEO-L152RE.
This commit is contained in:
yn386 2022-10-23 09:08:19 +09:00 committed by Damien George
parent f6b5d1838b
commit d0bea69c5e
2 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
ports/stm32/i2c.c
View File

@ -31,7 +31,7 @@
#if MICROPY_HW_ENABLE_HW_I2C
#if defined(STM32F4)
#if defined(STM32F4) || defined(STM32L1)
STATIC uint16_t i2c_timeout_ms[MICROPY_HW_MAX_I2C];

4
ports/stm32/machine_i2c.c
View File

@ -38,7 +38,7 @@
#define I2C_POLL_DEFAULT_TIMEOUT_US (50000) // 50ms
#if defined(STM32F0) || defined(STM32F4) || defined(STM32F7) || defined(STM32H7)
#if defined(STM32F0) || defined(STM32F4) || defined(STM32F7) || defined(STM32H7) || defined(STM32L1)
typedef struct _machine_hard_i2c_obj_t {
mp_obj_base_t base;
@ -65,7 +65,7 @@ STATIC const machine_hard_i2c_obj_t machine_hard_i2c_obj[MICROPY_HW_MAX_I2C] = {
STATIC void machine_hard_i2c_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
machine_hard_i2c_obj_t *self = MP_OBJ_TO_PTR(self_in);
#if defined(STM32F4)
#if defined(STM32F4) || defined(STM32L1)
uint32_t freq = self->i2c->CR2 & 0x3f;
uint32_t ccr = self->i2c->CCR;