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authorlonkaars <loek@pipeframe.xyz>2024-05-21 13:34:26 +0200
committerlonkaars <loek@pipeframe.xyz>2024-05-21 13:34:26 +0200
commit5e7481e9170c1334d74a57e84640e89a40cf74c3 (patch)
tree7904b0ebf83387ea1dc91c3532d3f518d18797ba
parent142772eb21060b66678ced9861d7718b7d2a215d (diff)
fix brokey
-rw-r--r--main/i2c.c116
-rw-r--r--main/init.c4
2 files changed, 61 insertions, 59 deletions
diff --git a/main/i2c.c b/main/i2c.c
index 3ecc2ee..cbf6938 100644
--- a/main/i2c.c
+++ b/main/i2c.c
@@ -7,83 +7,85 @@
#include <hardware/i2c.h>
void init_i2c() {
- stdio_init_all();
+ stdio_init_all();
i2c_init(i2c_default, 100 * 1000); // currently at 100kHz
// Initialize I2C pins - sda(16), scl(17)
- gpio_set_function(SDA_PIN, GPIO_FUNC_I2C);
- gpio_set_function(SCL_PIN, GPIO_FUNC_I2C);
+ gpio_set_function(SDA_PIN, GPIO_FUNC_I2C);
+ gpio_set_function(SCL_PIN, GPIO_FUNC_I2C);
- gpio_pull_up(SDA_PIN);
- gpio_pull_up(SCL_PIN);
+ gpio_pull_up(SDA_PIN);
+ gpio_pull_up(SCL_PIN);
}
int read_i2c(uint8_t addr, uint8_t *output, size_t len) {
- // false - finished with bus
- return i2c_read_blocking (i2c_default, addr, output, len, false);
+ // false - finished with bus
+ return i2c_read_blocking (i2c_default, addr, output, len, false);
}
int write_i2c(uint8_t addr, uint8_t *input, size_t len) {
- // true to keep master control of bus
- return i2c_write_blocking (i2c_default, addr, input, len, true);
+ // true to keep master control of bus
+ return i2c_write_blocking (i2c_default, addr, input, len, true);
}
bool reserved_addr(uint8_t addr) {
- return (addr & 0x78) == 0 || (addr & 0x78) == 0x78;
+ return (addr & 0x78) == 0 || (addr & 0x78) == 0x78;
}
void init_addr_array(uint8_t array[]) {
- for(int i = 0; i < MAX_SLAVES; i++){
- array[i] = 0x00;
- }
+ for(int i = 0; i < MAX_SLAVES; i++){
+ array[i] = 0x00;
+ }
}
-uint8_t scan_bus(uint8_t array[]) {
- int ret;
- int i = 0;
- uint8_t rxdata;
-
- for(int addr = 0; addr < (1<<7); addr++) {
- // ignore reserved addresses
- // These are any addresses of the form 000 0xxx or 111 1xxx
- if( reserved_addr(addr) ){
- ret = PICO_ERROR_GENERIC;
- }else{
- ret = i2c_read_blocking(i2c_default, addr, &rxdata, 1, false);
- }
-
- // if acknowledged -> ret == number of bytes sent
- if(ret > 0){
- array[i] = addr;
- i++;
- }
- }
-
- return array;
+uint8_t* scan_bus(uint8_t* array) {
+ int ret;
+ int i = 0;
+ uint8_t rxdata;
+
+ for(int addr = 0; addr < (1<<7); addr++) {
+ // ignore reserved addresses
+ // These are any addresses of the form 000 0xxx or 111 1xxx
+ if( reserved_addr(addr) ){
+ ret = PICO_ERROR_GENERIC;
+ }else{
+ ret = i2c_read_blocking(i2c_default, addr, &rxdata, 1, false);
+ }
+
+ // if acknowledged -> ret == number of bytes sent
+ if(ret > 0){
+ array[i] = addr;
+ i++;
+ }
+ }
+
+ return array;
}
void bus_task() {
- // scan bus for slaves
- // send updates at regular intervals
-
- int i = 0;
- uint8_t *found[MAX_SLAVES];
- init_addr_array(&found);
-
- while(1) {
- scan_bus(&found);
-
- for(int i = 0; i < MAX_SLAVES; i++){
- if( found[i] == 0x00 )
- break;
-
- // send data to found slave address
- write_i2c(found[i], 0x01, 1);
-
- write_i2c(found[i], 0x00, 1);
- // request update from slave addr at found[i]
- //write_i2c();
- }
- }
+ // scan bus for slaves
+ // send updates at regular intervals
+
+ int i = 0;
+ uint8_t found[MAX_SLAVES];
+ init_addr_array(found);
+
+ while(1) {
+ scan_bus(found);
+
+ for(int i = 0; i < MAX_SLAVES; i++){
+ if( found[i] == 0x00 )
+ break;
+
+ uint8_t data = 1;
+ // send data to found slave address
+ write_i2c(found[i], &data, 1);
+
+ data = 0;
+ write_i2c(found[i], &data, 1);
+ // request update from slave addr at found[i]
+ //write_i2c();
+ }
+ }
}
diff --git a/main/init.c b/main/init.c
index f336ad0..08177c7 100644
--- a/main/init.c
+++ b/main/init.c
@@ -24,8 +24,8 @@ static void init_wifi() {
// enable 'station' mode (connect to an access point instead of acting like one)
cyw43_arch_enable_sta_mode();
- if (cyw43_arch_wifi_connect_timeout_ms(CONF_NET_SSID, CONF_NET_PASS, CONF_NET_AUTH, CONF_NET_CONN_TIMEOUT))
- panic("cyw43_arch_wifi_connect failed\n");
+ // if (cyw43_arch_wifi_connect_timeout_ms(CONF_NET_SSID, CONF_NET_PASS, CONF_NET_AUTH, CONF_NET_CONN_TIMEOUT))
+ // panic("cyw43_arch_wifi_connect failed\n");
printf("connected to Wi-Fi\n");