From 648d87ea98ec39d5745d36a0b5c5078cd9491211 Mon Sep 17 00:00:00 2001 From: Loek Le Blansch Date: Sun, 23 Jun 2024 13:31:49 +0200 Subject: place rp2040 back in pbdrv --- main/pbdrv.c | 81 ------------------------------------------------------------ 1 file changed, 81 deletions(-) delete mode 100644 main/pbdrv.c (limited to 'main/pbdrv.c') diff --git a/main/pbdrv.c b/main/pbdrv.c deleted file mode 100644 index 6a89253..0000000 --- a/main/pbdrv.c +++ /dev/null @@ -1,81 +0,0 @@ -#include "pb.h" - -#include "pb.h" -#include "pb-types.h" -#include "pb-mod.h" -#include "pb-send.h" - -#include -#include -#include -#include - -#include -#include -#include - -#define PB_I2C_S i2c0 -#define PB_I2C_M i2c1 - -#define BUF_SIZE 256 -#define MSGS_MAX 4 - -typedef struct { - uint8_t data[BUF_SIZE]; - size_t size; -} i2c_msg_buf_t; - -static i2c_msg_buf_t msgs[MSGS_MAX]; -static size_t msg_index = 0; - -static void async_pb_i2c_recv(void * _msg, uint32_t _) { - i2c_msg_buf_t * msg = _msg; - pb_i2c_recv(msg->data, msg->size); -} - -static void msg_complete(i2c_msg_buf_t * msg) { - return pb_i2c_recv(msg->data, msg->size); - - // defer pb_i2c_recv call to FreeRTOS scheduler as pb_i2c_recv takes - // too long to return from an ISR - xTimerPendFunctionCallFromISR(async_pb_i2c_recv, msg, 0, NULL); - - // prepare next message for use - msg_index = (msg_index + 1) % MSGS_MAX; - msgs[msg_index].size = 0; -} - -// This function is called from the I2C ISR -static void recv_event(i2c_inst_t *i2c, i2c_slave_event_t event) { - i2c_msg_buf_t * msg = &msgs[msg_index]; - - switch (event) { - case I2C_SLAVE_RECEIVE: { - if (msg->size == BUF_SIZE) return; - msg->data[msg->size++] = i2c_read_byte_raw(PB_I2C_S); - break; - } - case I2C_SLAVE_FINISH: { - msg_complete(msg); - break; - } - default: break; - } -} - -void pb_setup() { - i2c_init(PB_I2C_S, PB_CLOCK_SPEED_HZ); - i2c_init(PB_I2C_M, PB_CLOCK_SPEED_HZ); - - i2c_slave_init(PB_I2C_S, PB_MOD_ADDR, &recv_event); -} - -__weak void pb_i2c_send(i2c_addr_t addr, const uint8_t * buf, size_t sz) { - // false to write stop condition to i2c bus - i2c_write_timeout_us(PB_I2C_M, addr, buf, sz, false, PB_TIMEOUT_US); -} - -void pb_mod_blocking_delay_ms(unsigned long ms) { - vTaskDelay(ms / portTICK_PERIOD_MS); -} - -- cgit v1.2.3